CN220648275U - Slurry outlet of melting furnace - Google Patents
Slurry outlet of melting furnace Download PDFInfo
- Publication number
- CN220648275U CN220648275U CN202322165976.1U CN202322165976U CN220648275U CN 220648275 U CN220648275 U CN 220648275U CN 202322165976 U CN202322165976 U CN 202322165976U CN 220648275 U CN220648275 U CN 220648275U
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- melting furnace
- slurry outlet
- outlet
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- 239000002002 slurry Substances 0.000 title claims abstract description 188
- 238000002844 melting Methods 0.000 title claims abstract description 56
- 230000008018 melting Effects 0.000 title claims abstract description 54
- 239000002826 coolant Substances 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 6
- 239000011440 grout Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 239000000498 cooling water Substances 0.000 description 9
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a slurry outlet of a melting furnace, which relates to the technical field of ash slag melting and comprises a slurry outlet body, wherein the slurry outlet body can be arranged on the melting furnace, a slurry outlet channel penetrates through the slurry outlet body, an inlet of the slurry outlet channel can be communicated with a slurry outlet female hole of the melting furnace, and an outlet of the slurry outlet channel is used for leading out slurry in the melting furnace; the position department that is close to the slurry outflow passageway entry in the pulp outlet body has set gradually first cavity and second cavity from front to back, and first cavity and second cavity all encircle the slurry outflow passageway setting, and first cavity can circulate there is cooling medium to cool off the pulp outlet body, can let in compressed air in the second cavity, run through between second cavity and the slurry outflow passageway has the injection passageway, and the injection passageway is used for the compressed air in the second cavity to the entry injection of slurry outflow passageway, in order to reduce the slurry flow in the slurry outflow passageway, can in time stop the row thick liquid.
Description
Technical Field
The utility model relates to the technical field of ash melting, in particular to a melting furnace slurry outlet.
Background
When ash slag is melted, molten slurry in a molten pool of the melting furnace is discharged through a slurry outlet, and the temperature of the molten slurry can reach 1400 ℃, so that great difficulty exists when the slurry discharge is needed to be stopped in time in the process of molten slurry discharge.
In the prior art, three methods for stopping discharging slurry are mainly adopted, firstly, a cooling water direct injection melting furnace is adopted to lead the molten slurry to be condensed to block the slurry outlet, however, the method leads the slurry outlet to be rapidly cooled, so that the slurry outlet is damaged to a certain extent, and the follow-up re-opening of the slurry outlet is also not facilitated; secondly, the stemming for the hole plugging machine is adopted to plug the slurry outlet, and the hole plugging machine has good plugging effect, but has huge volume, needs larger operation space, and has the operation time as long as tens of minutes, so that timely plugging cannot be realized; thirdly, the plugging is carried out by plugging the grout outlet, however, the condition of loose plugging often occurs by using the method because the grout outlet becomes irregular after long-term use.
Disclosure of Invention
The utility model aims to provide a slurry outlet of a melting furnace, so as to solve the problems in the prior art, realize smooth slurry discharge and long service life, and can stop slurry discharge in time.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a slurry outlet of a melting furnace, which comprises a slurry outlet body, wherein the slurry outlet body can be arranged on the melting furnace, a slurry outlet channel penetrates through the slurry outlet body, an inlet of the slurry outlet channel can be communicated with a slurry outlet female hole of the melting furnace, and an outlet of the slurry outlet channel is used for leading out slurry in the melting furnace; the utility model discloses a slurry outlet, including the slurry outlet body, the slurry outlet body is located to be close to the position department of slurry outflow passageway entry has set gradually first cavity and second cavity from front to back, first cavity with the second cavity is all encircleed the slurry outflow passageway sets up, can circulate there is cooling medium in first cavity, in order to right the slurry outlet body cools off, can let in compressed air in the second cavity, the second cavity with run through between the slurry outflow passageway has the injection passageway, the injection passageway is used for with in the second cavity compressed air to the entry injection of slurry outflow passageway reduces the slurry flow in the slurry outflow passageway.
Preferably, the slurry outlet body is a cylinder, and the slurry outlet channel penetrates through the center of the slurry outlet body; the slurry outflow channel comprises a front channel, a middle channel and a rear channel which are sequentially communicated from front to back, wherein the front channel, the middle channel and the rear channel are cylindrical channels coaxially arranged in three sections, and the diameters of the front channel, the middle channel and the rear channel are sequentially increased.
Preferably, the first chamber is disposed around the front channel, the second chamber is disposed around the middle channel, the injection channel penetrates through the side wall of the middle channel and communicates the second chamber with the middle channel, and the injection channel is disposed obliquely toward the front channel.
Preferably, a plurality of injection channels are provided, and all the injection channels are uniformly distributed along the circumferential direction of the middle channel.
Preferably, the slurry outlet body is further provided with a temperature detection mechanism, and the temperature detection mechanism is used for detecting the temperature of the position, close to the inlet of the molten slurry outflow channel, in the slurry outlet body.
Preferably, the temperature detection mechanism comprises a temperature measuring tube, a thermocouple probe is arranged in the temperature measuring tube, one end of the temperature measuring tube sequentially penetrates through the rear channel and the second chamber from back to front to enter the first chamber and is fixedly connected with the front end of the first chamber, and the thermocouple probe is positioned at a position, close to the front end of the first chamber, in the temperature measuring tube.
Preferably, the slurry outlet body is further provided with a cooling medium inflow pipe and a cooling medium outflow pipe, one end of the cooling medium inflow pipe sequentially penetrates through the rear channel and the second chamber from back to front and is fixed in the first chamber, and the cooling medium inflow pipe is used for introducing the cooling medium into the first chamber; one end of the cooling medium outflow pipeline sequentially penetrates through the rear channel and the second chamber from back to front and is fixed in the first chamber, the cooling medium inflow pipeline and the cooling medium outflow pipeline are respectively positioned on two sides of the middle channel, and the cooling medium outflow pipeline is used for leading out the cooling medium in the first chamber.
Preferably, the pulp outlet body is further provided with a compressed air pipeline, one end of the compressed air pipeline penetrates through the rear channel from rear to front and is fixed in the second cavity, and the compressed air pipeline is used for introducing compressed air into the second cavity.
Preferably, the slurry outlet of the melting furnace further comprises a mounting flange, the mounting flange is arranged on the slurry outlet body and is close to the position of the outlet of the slurry outflow channel, and the slurry outlet body can be embedded on the bottom or the wall of the melting furnace and is fixedly connected with the melting furnace through the mounting flange.
Compared with the prior art, the utility model has the following technical effects:
the utility model provides a melting furnace slurry outlet, which comprises a slurry outlet body, wherein a slurry outlet channel penetrates through the slurry outlet body, a first cavity and a second cavity are sequentially arranged in the slurry outlet body from front to back at a position close to the inlet of the slurry outlet channel, the first cavity and the second cavity are both arranged around the slurry outlet channel, a cooling medium can be circulated in the first cavity, compressed air can be introduced in the second cavity, and a jet channel penetrates through the second cavity and the slurry outlet channel; when the device is used, the slurry outlet body is arranged on the melting furnace, the inlet of the slurry outlet channel is aligned with the slurry outlet female hole of the melting furnace, so that the slurry in the melting furnace can be discharged from the outlet of the slurry outlet channel, when the slurry is discharged, if the slurry outlet temperature is too low, the slurry is not smoothly discharged, and if the slurry outlet temperature is too high, the slurry outlet is damaged, therefore, compressed air is used as a cooling medium in the first cavity to cool the slurry outlet body, the slurry outlet body is protected from being damaged by high temperature while the slurry discharge is ensured to be smooth, and the service life of the device is prolonged; when the slurry outlet is required to be stopped, the cooling medium in the first cavity is replaced by cooling water, the slurry outlet body is forcedly cooled by the cooling water, meanwhile, compressed air is introduced into the second cavity, so that the compressed air is sprayed to the inlet of the slurry outlet channel through the spraying channel, the flow of the slurry in the slurry outlet channel is rapidly reduced under the cooling effect and the pressure effect of the compressed air flow, and the slurry is solidified under the strong heat exchange effect of the cooling water in the first cavity, so that the slurry discharge is stopped timely.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the working state of a slurry outlet of a melting furnace according to an embodiment of the present utility model;
FIG. 2 is a partial cross-sectional view of a melting furnace outlet provided by an embodiment of the present utility model;
FIG. 3 is a schematic view of a first angular cross section of a melting furnace outlet provided in an embodiment of the present utility model;
fig. 4 is a schematic view of a second angular section of a slurry outlet of a melting furnace according to an embodiment of the present utility model.
In the figure: 01-melting furnace, 02-slurry outlet female hole, 03-molten slurry, 04-furnace bottom, 100-melting furnace slurry outlet, 10-slurry outlet body, 11-molten slurry outflow channel, 12-first chamber, 13-second chamber, 14-jet channel, 15-front channel, 16-middle channel, 17-back channel, 20-temperature measuring tube, 30-cooling medium inflow channel, 31-cooling medium outflow channel, 40-compressed air channel and 50-mounting flange.
Detailed Description
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.
The utility model aims to provide a slurry outlet of a melting furnace, which solves the problems in the prior art, has smooth slurry discharge and long service life, and can stop slurry discharge in time.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-2, the present embodiment provides a slurry outlet 100 of a melting furnace, including a slurry outlet body 10, where the slurry outlet body 10 can be installed on the melting furnace 01, a slurry outlet channel 11 is penetrated in the slurry outlet body 10, an inlet of the slurry outlet channel 11 can be communicated with a slurry outlet female hole 02 of the melting furnace 01, and an outlet of the slurry outlet channel 11 is used for discharging slurry 03 in the melting furnace 01, specifically, in the present embodiment, a material of the slurry outlet body 10 is preferably heat-resistant steel, and a normal use temperature is 1150 ℃; a first chamber 12 and a second chamber 13 are sequentially arranged in the slurry outlet body 10 at a position close to the inlet of the slurry outlet channel 11 from front to back (i.e. from the inlet of the slurry outlet channel 11 to the outlet), the first chamber 12 and the second chamber 13 are all arranged around the slurry outlet channel 11, a cooling medium can be circulated in the first chamber 12 so as to cool the slurry outlet body 10, compressed air can be introduced in the second chamber 13, a spraying channel 14 penetrates between the second chamber 13 and the slurry outlet channel 11, and the spraying channel 14 is used for spraying the compressed air in the second chamber 13 to the inlet of the slurry outlet channel 11 so as to reduce the flow rate of the slurry 03 in the slurry outlet channel 11; in this embodiment, the outlet body 10 is further provided with a temperature detecting mechanism for detecting the temperature at a position in the outlet body 10 near the inlet of the slurry outflow channel 11; when the device is used, the slurry outlet body 10 is arranged on the melting furnace 01, the inlet of the slurry outlet channel 11 is aligned with the slurry outlet female hole 02 of the melting furnace 01, so that the slurry 03 in the melting furnace 01 can be discharged from the outlet of the slurry outlet channel 11, when the slurry is discharged, if the slurry outlet temperature is too low, the slurry is not smoothly discharged, and if the slurry outlet temperature is too high, the slurry outlet is damaged, therefore, compressed air is used as a cooling medium in the first chamber 12, the slurry outlet temperature is controlled to be 600-1000 ℃ by adjusting the circulation amount of the compressed air and matching with the slurry outlet temperature measured by the temperature detection mechanism, the slurry outlet body 10 is protected from being damaged by high temperature while the slurry discharge is ensured to be smooth, and the service life of the device is prolonged; when the slurry discharge is required to be stopped, the cooling medium in the first chamber 12 is replaced by cooling water, the slurry outlet body 10 is forcedly cooled by the cooling water, the slurry outlet temperature is controlled within 100 ℃, meanwhile, compressed air is introduced into the second chamber 13, so that the compressed air is sprayed to the inlet of the slurry outflow channel 11 through the spraying channel 14, the flow of the slurry 03 in the slurry outflow channel 11 is rapidly reduced under the cooling effect and the pressure effect of the compressed air flow, and the slurry 03 is solidified under the strong heat exchange effect of the cooling water in the first chamber 12, so that the slurry discharge is stopped timely.
In this embodiment, the tap body 10 is a cylinder, and the molten metal outflow channel 11 penetrates through the center of the tap body 10; the slurry outflow channel 11 includes a front channel 15, a middle channel 16 and a rear channel 17 which are sequentially communicated from front to back, the front channel 15, the middle channel 16 and the rear channel 17 are three sections of coaxially arranged columnar channels, and the diameters of the front channel 15, the middle channel 16 and the rear channel 17 are sequentially increased, that is, the outlet area of the slurry outflow channel 11 is larger than the inlet area.
In this embodiment, the first chamber 12 is disposed around the front channel 15 and is co-walled with the front channel 15; the second chamber 13 is arranged around the middle channel 16 and is co-walled with the middle channel 16; the injection passage 14 penetrates through the side wall of the middle passage 16 and communicates the second chamber 13 with the middle passage 16, and the injection passage 14 is inclined toward the front passage 15.
Further, the plurality of injection channels 14 are provided, and all injection channels 14 are uniformly distributed along the circumferential direction of the middle channel 16, that is, the nozzles of all injection channels 14 are uniformly distributed on the side wall of the middle channel 16 along the circumferential direction of the middle channel 16; specifically, in this embodiment, the slurry outlet body 10 is disposed at the bottom 04 of the melting furnace 01, the slurry discharging direction is vertically downward, and each injection channel 14 is obliquely upward, so that compressed air filled in the second chamber 13 forms multiple compressed air jets after passing through each injection channel 14 to surround the middle channel 16 and spray toward the front channel 15, and the flow of the molten slurry 03 in the molten slurry outflow channel 11 is rapidly reduced by using the cooling effect and the pressure effect of the compressed air, and the molten slurry 03 is further solidified under the strong heat exchange effect of the cooling water in the first chamber 12, so as to stop the slurry discharging in time.
In the present embodiment, since the diameters of the front passage 15, the middle passage 16, and the rear passage 17 are sequentially increased, and the spouts of all the spouting passages 14 are located on the side wall of the middle passage 16, the molten metal 03 in the molten metal outflow passage 11 does not directly contact the spouts of the spouting passages 14 during discharging, and the spouting passages 14 are not blocked after the molten metal 03 is solidified.
In this embodiment, as shown in fig. 3, the temperature detecting mechanism includes a temperature measuring tube 20, a thermocouple probe is installed in the temperature measuring tube 20, one end of the temperature measuring tube 20 sequentially penetrates through the rear channel 17 and the second chamber 13 from back to front, enters the first chamber 12, and is fixedly connected with the front end of the first chamber 12, and the thermocouple probe is located at a position in the temperature measuring tube 20 near the front end of the first chamber 12.
In this embodiment, as shown in fig. 4, the slurry outlet body 10 is further provided with a cooling medium inflow pipe 30 and a cooling medium outflow pipe 31, one end of the cooling medium inflow pipe 30 penetrates the rear channel 17 and the second chamber 13 sequentially from the rear to the front and is fixed in the first chamber 12, and the cooling medium inflow pipe 30 is used for introducing the cooling medium into the first chamber 12; one end of the cooling medium outflow pipe 31 penetrates through the rear channel 17 and the second chamber 13 in sequence from back to front and is fixed in the first chamber 12, the cooling medium inflow pipe 30 and the cooling medium outflow pipe 31 are respectively positioned at two sides of the middle channel 16, and the cooling medium outflow pipe 31 is used for leading out the cooling medium in the first chamber 12; by using different cooling media in the first chamber 12 at different stages, i.e. compressed air as cooling medium during the discharge and cooling water as cooling medium during the stop of the discharge, the outlet temperature adjustment range is increased.
In this embodiment, as shown in fig. 3, the pulp outlet body 10 is further provided with a compressed air pipe 40, one end of the compressed air pipe 40 penetrates through the rear channel 17 from the rear to the front and is fixed in the second chamber 13, and the compressed air pipe 40 is used for introducing compressed air into the second chamber 13.
In this embodiment, the slurry outlet 100 of the melting furnace further includes a mounting flange 50, the mounting flange 50 is disposed on the slurry outlet body 10 near the outlet of the slurry outlet channel 11, and when in use, the slurry outlet body 10 is embedded on the furnace bottom 04 or the furnace wall of the melting furnace 01, and the slurry outlet body 10 is fixedly connected with the melting furnace 01 through the mounting flange 50.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (9)
1. The utility model provides a melting furnace grout outlet which characterized in that: the device comprises a slurry outlet body, wherein the slurry outlet body can be arranged on a melting furnace, a slurry outlet channel penetrates through the slurry outlet body, an inlet of the slurry outlet channel can be communicated with a slurry outlet female hole of the melting furnace, and an outlet of the slurry outlet channel is used for leading out slurry in the melting furnace; the utility model discloses a slurry outlet, including the slurry outlet body, the slurry outlet body is located to be close to the position department of slurry outflow passageway entry has set gradually first cavity and second cavity from front to back, first cavity with the second cavity is all encircleed the slurry outflow passageway sets up, can circulate there is cooling medium in first cavity, in order to right the slurry outlet body cools off, can let in compressed air in the second cavity, the second cavity with run through between the slurry outflow passageway has the injection passageway, the injection passageway is used for with in the second cavity compressed air to the entry injection of slurry outflow passageway reduces the slurry flow in the slurry outflow passageway.
2. The melting furnace outlet of claim 1, wherein: the slurry outlet body is a cylinder, and the slurry outlet channel penetrates through the center of the slurry outlet body; the slurry outflow channel comprises a front channel, a middle channel and a rear channel which are sequentially communicated from front to back, wherein the front channel, the middle channel and the rear channel are cylindrical channels coaxially arranged in three sections, and the diameters of the front channel, the middle channel and the rear channel are sequentially increased.
3. The melting furnace outlet of claim 2, wherein: the first chamber is arranged around the front channel, the second chamber is arranged around the middle channel, the injection channel penetrates through the side wall of the middle channel and is communicated with the second chamber and the middle channel, and the injection channel is obliquely arranged towards the front channel.
4. A melting furnace outlet as in claim 3, wherein: the spray channels are arranged in a plurality, and all the spray channels are uniformly distributed along the circumference of the middle channel.
5. A melting furnace outlet as in claim 3, wherein: the slurry outlet body is further provided with a temperature detection mechanism, and the temperature detection mechanism is used for detecting the temperature of the position, close to the inlet of the molten slurry outflow channel, in the slurry outlet body.
6. The melting furnace outlet of claim 5, wherein: the temperature detection mechanism comprises a temperature measuring tube, a thermocouple probe is arranged in the temperature measuring tube, one end of the temperature measuring tube sequentially penetrates through the rear channel and the second chamber from back to front to enter the first chamber and is fixedly connected with the front end of the first chamber, and the thermocouple probe is positioned at a position, close to the front end of the first chamber, in the temperature measuring tube.
7. The melting furnace outlet of claim 2, wherein: the slurry outlet body is also provided with a cooling medium inflow pipeline and a cooling medium outflow pipeline, one end of the cooling medium inflow pipeline sequentially penetrates through the rear channel and the second chamber from back to front and is fixed in the first chamber, and the cooling medium inflow pipeline is used for introducing the cooling medium into the first chamber; one end of the cooling medium outflow pipeline sequentially penetrates through the rear channel and the second chamber from back to front and is fixed in the first chamber, the cooling medium inflow pipeline and the cooling medium outflow pipeline are respectively positioned on two sides of the middle channel, and the cooling medium outflow pipeline is used for leading out the cooling medium in the first chamber.
8. The melting furnace outlet of claim 2, wherein: the pulp outlet body is further provided with a compressed air pipeline, one end of the compressed air pipeline penetrates through the rear channel from rear to front and is fixed in the second cavity, and the compressed air pipeline is used for introducing compressed air into the second cavity.
9. The melting furnace outlet of claim 1, wherein: the slurry outlet of the melting furnace further comprises a mounting flange, the mounting flange is arranged on the slurry outlet body and is close to the position of the outlet of the slurry outflow channel, and the slurry outlet body can be embedded on the furnace bottom or the furnace wall of the melting furnace and is fixedly connected with the melting furnace through the mounting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322165976.1U CN220648275U (en) | 2023-08-11 | 2023-08-11 | Slurry outlet of melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322165976.1U CN220648275U (en) | 2023-08-11 | 2023-08-11 | Slurry outlet of melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220648275U true CN220648275U (en) | 2024-03-22 |
Family
ID=90288936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322165976.1U Active CN220648275U (en) | 2023-08-11 | 2023-08-11 | Slurry outlet of melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220648275U (en) |
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2023
- 2023-08-11 CN CN202322165976.1U patent/CN220648275U/en active Active
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