CN213012927U - High-temperature slag disc slag cooler - Google Patents
High-temperature slag disc slag cooler Download PDFInfo
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- CN213012927U CN213012927U CN202021737777.3U CN202021737777U CN213012927U CN 213012927 U CN213012927 U CN 213012927U CN 202021737777 U CN202021737777 U CN 202021737777U CN 213012927 U CN213012927 U CN 213012927U
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Abstract
The utility model provides a high-temperature slag disc slag cooler, which comprises a disc frame and a plurality of slag cooling boxes, wherein the slag cooling boxes are arranged along the radial direction of the disc frame and are distributed at intervals along the circumferential direction of the disc frame, the slag cooling boxes are all fixed on the disc frame, each slag cooling box comprises a water cooling jacket with cooling water flowing inside, the water cooling jacket is annular, and the outer wall of the water-cooling jacket positioned on the inner side is surrounded to form a cold slag body for receiving high-temperature slag, the top of the cold slag body is provided with a guide chute butted with a slag chute, the guide chute is communicated with the cold slag body, the bottom of the cold slag body is provided with a discharge plate, a high-temperature slag buffer hopper is arranged above the cold slag box and is positioned at the center of the disc frame, the bottom of the buffer hopper is communicated with a slag chute for conveying high-temperature slag into each cold slag box, and the high-temperature slag disc slag cooler further comprises a transmission mechanism for driving the buffer hopper to rotate to convey high-temperature slag into different cold slag boxes.
Description
Technical Field
The utility model relates to a cold sediment machine technical field especially relates to a cold sediment machine of high temperature slag disc.
Background
In the industrial field, a large amount of high-temperature molten slag exists, such as blast furnace slag, steel slag, ferronickel slag and the like in the production process of the ferrous metallurgy industry, copper slag and the like in the production process of the non-ferrous metal industry, and slag in the production process of hazardous waste high-temperature melting.
Taking the blast furnace slag with the largest total amount as an example, the blast furnace slag is cooled mainly by a water quenching method at present, the water quenching method not only consumes a large amount of water resources, but also generates a large amount of non-pressurized water vapor, fine dust and SO2 and H2S gas to pollute the environment, and meanwhile, further drying is needed during resource utilization, SO that the energy consumption for treatment is increased.
The problem of efficient utilization of high-temperature slag has caused a hot trend of research and development of people before fifty years, and various high-temperature slag dry treatment technologies are in China at present, wherein the high-temperature slag dry treatment technology is most representative of a wind crushing method and a rotary cup granulation method. The heat recovery efficiency of the air quenching method is about 48 percent, the quality of the finished product slag is equivalent to that of water-quenched slag, but the problems of large occupied area, high investment cost, high operation cost and the like exist. The rotary cup granulation waste heat recovery efficiency is high, the granulation effect is good, but the device structure is complex, and the technical problems of blockage, caking and the like easily occur to high-temperature molten slag with poor fluidity.
Under the severe situation that the global energy demand continuously increases and the actual supply relatively and continuously decreases, energy conservation and emission reduction are imperative. Therefore, the development of an indirect quenching apparatus has become a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a cold sediment machine of high temperature slag disc, adopt indirect water-cooled form to realize the high temperature slag and cool off fast, but recycle behind the waste heat utilization in the cooling water, this cold sediment machine simple structure with low costs, high waste heat recovery rate, to slag viscosity strong adaptability (not do the special requirement to the viscosity of high temperature slag), and can not exert an influence to the follow-up utilization value of slag, have high operating stability.
The utility model discloses a realize like this:
the utility model provides a high-temperature slag disc slag cooler, which comprises a disc frame and a plurality of cold slag boxes, wherein each cold slag box is arranged along the radial direction of the disc frame and is distributed along the circumferential interval of the disc frame, each cold slag box is fixed on the disc frame and comprises a water cooling jacket with cooling water flowing inside, a cooling water inlet and a cooling water outlet are arranged on the water cooling jacket, the water cooling jacket is annular, the outer wall of the inner side of the water cooling jacket encloses a cold slag body for receiving high-temperature slag, the top of the cold slag body is provided with a guide chute butted with a slag chute, the guide chute is communicated with the cold slag body, the bottom of the cold slag body is provided with a discharge plate, a buffer hopper of high-temperature slag is arranged above each cold slag box, the buffer hopper is arranged at the center of the disc frame, the bottom of the buffer hopper is communicated with a slag chute for conveying high-temperature slag into each slag cooling box, the high-temperature slag disc slag cooler further comprises a transmission mechanism for driving the buffer hopper to rotate to convey high-temperature slag into different slag cooling boxes, and an output shaft of the transmission mechanism is connected with the buffer hopper through a coupler.
Preferably, the cold slag body is flat along the radial direction of the disc frame.
Preferably, the guide chute comprises a first flared end in butt joint with the slag chute for feeding and a first narrow end in butt joint communication with the cold slag body, the caliber of the guide chute is gradually reduced along the direction from the first flared end to the first narrow end, the cold slag body comprises a second flared end provided with a discharging plate and a second narrow end in butt joint communication with the guide chute, and the caliber of the cold slag body is gradually reduced along the direction from the second flared end to the second narrow end.
Preferably, two opposite side surfaces of the material guide groove and two opposite side surfaces of the cold slag body are both arc surfaces along the radial direction of the disc stand.
Preferably, the cooling water inlet is located at the bottom of the cold slag box, the cooling water outlet is located at the top of the cold slag box, and the cooling water inlet and the cooling water outlet are located on two opposite sides of the cold slag box respectively along the radial direction of the disc rack.
Preferably, a flowmeter is arranged in the slag chute, or a weighing sensor is arranged at the bottom of the cold slag tank.
Preferably, the buffer bucket is of a hemispherical structure.
Preferably, the outer side of the water-cooling jacket is provided with a heat-insulating layer.
Preferably, the cold slag boxes are uniformly distributed at intervals along the circumferential direction of the disc frame.
Preferably, the transmission mechanism is a motor, and an output shaft of the motor is connected with the buffer hopper through a coupler.
The utility model discloses following beneficial effect has:
the utility model provides a cold sediment machine of high temperature slag disc adopts indirect water-cooling form, makes the high temperature slag not direct and can reach rapid refrigerated effect with water contact, the utility model provides a cold sediment machine of high temperature slag disc adopts indirect water-cooling form can not produce a large amount of non-pressurized water vapour and tiny dust polluted environment, does not need further stoving during the utilization, has reduced the energy consumption, has avoided the direct dangerous condition that produces with water contact of high temperature slag, in addition, the utility model provides an available cooling water waste heat of cold sediment machine of high temperature slag disc, circulated use behind the waste heat utilization in the cooling water, the utility model provides a cold sediment machine of high temperature slag disc can reach energy saving and emission reduction's effect under the global energy demand continuously increases and the relatively continuous rigorous situation that descends of actual supply.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-temperature slag disc slag cooler in a top view, provided by an embodiment of the present invention;
fig. 2 is a schematic sectional view of a high-temperature slag disc slag cooler provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, an embodiment of the present invention provides a high temperature slag disc slag cooler, which includes a disc frame 1 and a plurality of slag cooling boxes 2, the number and size of the slag cooling boxes 2 can be set according to engineering requirements, each slag cooling box 2 is located inside the disc frame 1, each slag cooling box 2 is arranged along the radial direction of the disc frame 1, each slag cooling box 2 is evenly distributed along the circumferential direction of the disc frame 1 at intervals, each slag cooling box 2 is fixed on the disc frame 1, each slag cooling box 2 includes a water cooling jacket 23 with cooling water flowing inside, the water cooling jacket 23 is provided with a cooling water inlet 25 and a cooling water outlet 26, the water cooling jacket 23 is annular, and the outer wall of the water cooling jacket 23 located inside encloses a slag cooling body 22 for receiving high temperature slag, the top of the slag cooling body 22 is provided with a guide chute 21 butted with the slag chute 4, the guide chute 21 is communicated with the cold slag body 22, the discharging plate 24 is arranged at the bottom of the cold slag body 22, the discharging plate 24 can be opened to fall off after the high-temperature slag is cooled to form a glass body, and the heat insulation layer 27 is arranged on the outer side of the water cooling jacket 23 to prevent scalding and heat loss. A buffer hopper 3 for placing high-temperature molten slag is arranged above each cold slag box 2, the buffer hopper 3 is positioned at the center of the disc frame 1, the bottom of the buffer hopper 3 is communicated with a slag chute 4 for conveying the high-temperature molten slag into each cold slag box 2, the high-temperature molten slag disc slag cooler further comprises a transmission mechanism 5 for driving the buffer hopper 3 to rotate and conveying the high-temperature molten slag into different cold slag boxes 2, and an output shaft of the transmission mechanism 5 is connected with the buffer hopper 3 through a coupler.
Along the radial direction of the disc frame 1, the cold slag body 22 is flat, so that the heat exchange area is increased, and the heat exchange efficiency is improved. The guide chute 21 comprises a first flared end which is in butt joint with the slag chute 4 for feeding and a first narrow end which is in butt joint with the cold slag body 22 for communication, the caliber of the guide chute 21 is gradually reduced along the direction from the first flared end to the first narrow end, the cold slag body 22 comprises a second flared end provided with a discharging plate 24 and a second narrow end which is in butt joint with the guide chute 21 for communication, the caliber of the cold slag body 22 is gradually reduced along the direction from the second flared end to the second narrow end, namely, the inlet of the guide chute 21 and the outlet of the cold slag body 22 are both provided with inclination angles; the edge in the radial direction of disc frame 1, two sides that the baffle box is relative and two sides that the cold sediment body is relative are the arc surface, and baffle box 21 import and the export of cold sediment body 22 all are provided with the inclination, and both sides edge adopts convex design, can prevent that high temperature slag from spattering outward, and the putty or the not smooth phenomenon of unloading are convenient for the feeding and are unloaded more. The top edge of the material guide groove 21 is provided with an annular fence protruding upwards, so that slag can be further prevented from splashing outwards.
In this embodiment, the cold slag body 22 is flat, the cooling water inlet 25 is located the bottom of the cold slag box 2, the cooling water outlet 26 is located the top of the cold slag box 2, and along the radial direction of the disk rack 1, the cooling water inlet 25 and the cooling water outlet 26 are respectively located on two opposite sides of the cold slag box 2, so that the heat exchange area is increased, and the cooling efficiency is improved.
In this embodiment, the transmission mechanism is a motor, and an output shaft of the motor is connected with the buffer hopper through a coupler.
The utility model provides a cold sediment machine of high temperature slag disc, including disc frame 1, cold sediment case 2, buffer memory fill 3, slag chute 4, drive mechanism 5, wherein cold sediment case 2 includes: a material guide chute 21, a cold slag body 22, a water cooling jacket 23, a discharging plate 24, a cooling water inlet 25, a cooling water outlet 26 and an insulating layer 27.
The slag cooler buffer hopper 3 is connected with the slag chute 4, the slag cooler boxes 2 are uniformly fixed on the disc rack 1 along the disc, and the number of the slag cooler boxes 2 can be set according to the actual yield requirement.
The buffer hopper 3 is arranged at the center of the disc frame 1, the transmission mechanism 5 drives the buffer hopper 3 to rotate, and high-temperature slag is conveyed into each cold slag box 2 from the buffer hopper 3. The buffer hopper 3 is of a hemispherical structure, is stable when rotating for feeding, and is not easy to leak and scatter materials.
The slag cooling box 2 comprises a slag cooling body 22, a water cooling jacket 23 and a heat preservation layer 27 from inside to outside in sequence, high-temperature slag enters the slag cooling body 22, cooling water enters the water cooling jacket 23 to cool the slag, and the heat preservation layer 27 is arranged on the outer layer of the water cooling jacket 23 to prevent scalding and heat loss.
The buffer hopper 3, the slag chute 4, the guide chute 21, the cold slag body 22 and the stripper plate 24 are all made of high-temperature resistant materials and can work at 1400-1600 ℃; the water cooling jacket 23 is made of common stainless steel, so that rusting is prevented, and the safety and the long-term working stability of the jacket are kept.
The cold sediment case 2 sets up baffle box 21, avoids the slag to spatter outward, causes the potential safety hazard, and baffle box 21 welds on cold sediment body 22 upper portion, and baffle box 21 import and cold sediment body 22 export all are provided with the inclination, and both sides edge adopts convex design, can prevent that high temperature slag from spattering outward, perhaps the smooth phenomenon of putty unloading.
The cold slag body 22 is the platykurtic, and cooling water inlet 25 is located the bottom of cold slag box 2, and cooling water outlet 26 is in cold slag box 2 top, and cooling water outlet 26 is at the contralateral top of cooling water inlet, and heat exchange area increases, promotes cooling efficiency.
The bottom of the slag cooling box 2 is provided with a discharging plate 24, and after the high-temperature slag is cooled to form a glass body, the discharging plate 24 can be opened to fall off.
The guide plates can be arranged in the water-cooling jacket 23 and are uniformly distributed in the water-cooling jacket 23, so that cooling water can fully flow through the whole water-cooling jacket 23 and then flow out from the cooling water outlet 26, the guide plates can be of a spirally-rising partition plate structure, the heat exchange efficiency is further improved by the guide plates, and the service life of the water-cooling jacket 23 is prolonged. The water-cooling jacket 23 can be replaced by a plurality of guide pipes, cooling water flows in the guide pipes, the guide pipes spirally rise around the cold slag body 22, the guide pipes are uniformly arranged at intervals, cooling water inlets of the guide pipes are positioned at the bottom of the cold slag box, and cooling water outlets of the guide pipes are positioned at the top of the cold slag box.
When the slag cooler works, high-temperature slag passes through the slag chute 4 from the cache hopper 3, a flow meter is installed on the slag chute 4 to detect the slag flow (a weighing sensor can also be installed at the bottom of the slag cooling box 2), in the embodiment, a PLC is adopted as a controller, after the slag cooling body 22 is filled with the slag, the flow meter/weighing sensor gives a signal to the PLC, the PLC controls the transmission mechanism 5 to start, the transmission mechanism 5 drives the cache hopper 3 to rotate to feed the next slag cooling box 2, and automatic feeding of the high-temperature slag is realized. After the high-temperature slag flows into the slag cooling box 2, cooling water flows into the water cooling jacket 23 from a cooling water inlet 25 at the bottom of the slag cooling box 2 to take away heat of the high-temperature slag, flows out from a cooling water outlet 26 above the side of the slag cooling box 2, forms a glass body after the high-temperature slag is cooled, and can open a discharging plate 24 at the bottom of the slag cooling box 2 to enable the glass body to fall off.
In the utility model, the feeding mode of the high-temperature molten slag is that the transmission mechanism 5 drives the buffer hopper 3 to discontinuously rotate and feed the high-temperature molten slag into the cold slag box 2; the center of the disc rack 1 is provided with the hemispherical buffer hopper 3, and the buffer hopper 3 has a stable structure when rotating for feeding, and is not easy to leak and scatter materials; the inlet of the material guide groove 21 of the cold slag box and the outlet of the cold slag body 22 are provided with inclination angles, and the two sides of the material inlet and the material outlet are arranged in circular arc shapes, so that the feeding and the discharging are convenient; the cooling water inlet 25 is positioned at the bottom of the cold slag box, and the cooling water outlet 26 is positioned at the top of the opposite side of the cold slag box, so that the heat exchange efficiency is ensured; the outer side of the water-cooling jacket 23 is provided with a heat-insulating layer 27, so that scalding and heat loss can be effectively prevented.
The utility model provides a cold sediment machine of high temperature slag disc adopts indirect water-cooling form, makes the high temperature slag not direct and can reach rapid refrigerated effect with water contact, the utility model provides a cold sediment machine of high temperature slag disc adopts indirect water-cooling form can not produce a large amount of non-pressurized water vapour and tiny dust polluted environment, does not need further stoving during the utilization, has reduced the energy consumption, has avoided the direct dangerous condition that produces with water contact of high temperature slag, in addition, the utility model provides an available cooling water waste heat of cold sediment machine of high temperature slag disc, circulated use behind the waste heat utilization in the cooling water, the utility model provides a cold sediment machine of high temperature slag disc can reach energy saving and emission reduction's effect under the global energy demand continuously increases and the relatively continuous rigorous situation that descends of actual supply.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The high-temperature slag disc slag cooler is characterized in that: the slag cooling device comprises a disc rack and a plurality of slag cooling boxes, wherein each slag cooling box is arranged along the radial direction of the disc rack, and is distributed at intervals along the circumferential direction of the disc rack, each slag cooling box is fixed on the disc rack and comprises a water cooling jacket with cooling water flowing inside, a cooling water inlet and a cooling water outlet are formed in the water cooling jacket, the water cooling jacket is annular, a slag cooling body for receiving high-temperature slag is formed by enclosing the outer wall of the water cooling jacket on the inner side, a discharging plate is arranged at the bottom of the slag cooling body, a cache hopper for the high-temperature slag is arranged above each slag cooling box, the cache hopper is positioned in the center of the disc rack, the bottom of the cache hopper is communicated with a slag chute for conveying the high-temperature slag into each slag cooling box, and a guide chute butted with the slag chute is arranged at the top of the slag cooling body, the guide chute is communicated with the cold slag body, the high-temperature slag disc slag cooler further comprises a transmission mechanism which drives the buffer hopper to rotate and convey high-temperature slag to different cold slag boxes, and an output shaft of the transmission mechanism is connected with the buffer hopper through a coupler.
2. The high temperature slag disk slag cooler of claim 1, wherein: and along the radial direction of the disc rack, the cold slag body is flat.
3. The high temperature slag disk slag cooler of claim 2, wherein: the guide chute comprises a first flaring end and a first narrow end, wherein the first flaring end is in butt joint with the slag chute to feed materials, the first narrow end is in butt joint with the cold slag body, the caliber of the guide chute is gradually reduced along the direction from the first flaring end to the first narrow end, the cold slag body comprises a second flaring end and a second narrow end, the second flaring end is provided with a discharging plate, the second narrow end is in butt joint with the guide chute to communicate with the guide chute, and the caliber of the cold slag body is gradually reduced along the direction from the second flaring end to the second narrow end.
4. The high temperature slag disk slag cooler of claim 3, wherein: and along the radial direction of the disc rack, two opposite side surfaces of the guide chute and two opposite side surfaces of the cold slag body are both arc surfaces.
5. The high temperature slag disk slag cooler of claim 2, wherein: the cooling water inlet is located at the bottom of the cold slag box, the cooling water outlet is located at the top of the cold slag box, and the cooling water inlet and the cooling water outlet are located on two opposite sides of the cold slag box respectively along the radial direction of the disc rack.
6. The high temperature slag disk slag cooler of claim 1, wherein: and a flowmeter is arranged in the slag chute, or a weighing sensor is arranged at the bottom of the cold slag box.
7. The high temperature slag disk slag cooler of claim 1, wherein: the buffer storage hopper is of a hemispherical structure.
8. The high temperature slag disk slag cooler of claim 1, wherein: and a heat insulation layer is arranged on the outer side of the water-cooling jacket.
9. The high temperature slag disk slag cooler of claim 1, wherein: and the cold slag boxes are uniformly distributed at intervals along the circumferential direction of the disc rack.
10. The high temperature slag disk slag cooler of claim 1, wherein: the transmission mechanism is a motor, and an output shaft of the motor is connected with the buffer hopper through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021737777.3U CN213012927U (en) | 2020-08-19 | 2020-08-19 | High-temperature slag disc slag cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021737777.3U CN213012927U (en) | 2020-08-19 | 2020-08-19 | High-temperature slag disc slag cooler |
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| Publication Number | Publication Date |
|---|---|
| CN213012927U true CN213012927U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021737777.3U Active CN213012927U (en) | 2020-08-19 | 2020-08-19 | High-temperature slag disc slag cooler |
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| CN (1) | CN213012927U (en) |
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2020
- 2020-08-19 CN CN202021737777.3U patent/CN213012927U/en active Active
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