CN212870797U - High-efficient hot slag cooling device and subassembly thereof - Google Patents
High-efficient hot slag cooling device and subassembly thereof Download PDFInfo
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- CN212870797U CN212870797U CN202021891208.4U CN202021891208U CN212870797U CN 212870797 U CN212870797 U CN 212870797U CN 202021891208 U CN202021891208 U CN 202021891208U CN 212870797 U CN212870797 U CN 212870797U
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Abstract
The utility model discloses a high-efficiency hot slag cooling device and components thereof, wherein the high-efficiency hot slag cooling device comprises a bracket, a shell, a clapboard and a slag conveying pipe; the shell is arranged on the bracket; the shell is divided into a feeding section, a heat exchange section and a discharging section by two clapboards along the axial direction; the top of the shell of the feeding section is provided with a slag inlet, and the bottom of the shell of the discharging section is provided with a slag outlet; the slag conveying pipes are more than two with the same structure, are positioned in the heat exchange section in the shell, and are respectively communicated with the mounting holes on the two clapboards at two ends; the space among the shell, the first partition plate, the second partition plate and the slag conveying pipe forms a closed water cavity, and a water inlet and a water outlet are formed in the water cavity; each slag conveying pipe is internally provided with a conveying shaft, and the conveying shafts of the feeding section and the heat exchange section are provided with spiral conveying blades. The device improves the utilization rate of slag heat and enhances the cooling effect of slag; effectively avoiding the problem of blockage and ensuring the smoothness of slag conveying.
Description
Technical Field
The utility model relates to a high-efficient hot slag cooling device and subassembly thereof belongs to slay cooling field.
Background
Sulfuric acid is used as an important basic chemical raw material and is widely applied to industries such as metallurgy, petrifaction and food. China has rich pyrite resources, and currently, the method for preparing acid by using pyrite is still a main method for preparing sulfuric acid in domestic industry.
In the pyrite acid making process, the temperature of slag discharged by the fluidized bed furnace is 800-900 ℃, the slag is cooled by adopting a mode of directly contacting the slag with water in the prior art, the waste heat of the slag cannot be recovered, the waste of water resources is caused, and the production cost of an enterprise is increased to a certain extent by the cooled wastewater treatment. With the continuous improvement of the slag cooler, the design of separating the slag channel from the water channel is adopted, and although the problem of wastewater treatment is solved, the problems of low heat exchange efficiency, easy blockage of the slag channel and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-efficient hot slag cooling device and subassembly thereof not only makes preheating of slay obtain recycle, has solved waste water treatment's problem, and has improved heat exchange efficiency, has avoided the problem of jam.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
a high-efficiency hot slag cooling device comprises a bracket, a shell, a first clapboard, a second clapboard and a slag conveying pipe; the shell is arranged on the bracket;
the shell is a cylindrical structure with two end sealed ends; the first partition plate and the second partition plate are respectively arranged at two axial ends in the shell, and the shell is axially divided into a feeding section, a heat exchange section and a discharging section; the first partition plate is provided with more than two first mounting holes, the second partition plate is provided with more than two second mounting holes, the first mounting holes and the second mounting holes are equal in number and opposite in position, and the first mounting holes and the opposite second mounting holes form mounting hole pairs; the top of the shell corresponding to the feeding section is provided with a slag inlet, and the bottom of the shell corresponding to the discharging section is provided with a slag outlet;
the slag conveying pipes are more than two with the same structure, the number of the slag conveying pipes is equal to that of the mounting hole pairs, the slag conveying pipes correspond to the mounting hole pairs one by one, the slag conveying pipes are all positioned in the heat exchange section in the shell, and two ends of each slag conveying pipe are respectively connected with the corresponding first mounting hole and the corresponding second mounting hole; the space among the shell, the first partition plate, the second partition plate and the slag conveying pipe forms a closed water cavity, one end of the water cavity adjacent to the feeding section is a water inlet end, one end of the water cavity adjacent to the discharging section is a water outlet end, a water inlet is formed in the shell corresponding to the water inlet end of the water cavity, and a water outlet is formed in the shell corresponding to the water outlet end of the water cavity;
all be equipped with in every slay conveyer pipe and carry the axle, carry the both ends of axle to rotate respectively and connect the both ends tip in the casing and rotate through the motor drive that is located outside the casing, the epaxial spiral delivery vane that is equipped with of transport of feeding section and heat transfer section.
The slag conveying pipes are more than two with the same structure, so that the heat exchange effect and the heat exchange efficiency are improved, on one hand, heat is more fully utilized, and on the other hand, the cooling effect of slag is improved; through set up transport axle and auger delivery blade in every slay conveyer pipe, effectively avoided the problem of jam, ensured the unobstructed nature that slay was carried.
When the device is used, cooling water flows in from a water inlet and flows out from a water outlet of a water cavity, high-temperature slag enters from a slag inlet, enters into each slag conveying pipe under the conveying of a conveying shaft and a spiral conveying blade, exchanges heat with cold water in the water cavity, is output from a slag outlet after being cooled, and is subjected to secondary cooling (when the secondary cooling is carried out, two high-efficiency hot slag cooling devices are directly connected in series) or is conveyed to a specified stockpiling point by a belt; the water outlet of the water cavity flows out of a high-temperature steam-water mixture which can be used for heating, heating and the like after steam-water separation.
In order to further improve efficiency and improve the smoothness of slag conveying, the axial direction of the shell and the horizontal direction form an included angle of 15-45 degrees. Further preferably, the axial direction of the shell and the horizontal direction form an included angle of 20-35 degrees.
In order to further improve the smoothness of slag conveying, one end of the slag conveying pipe adjacent to the feeding section is a feeding end, one end of the slag conveying pipe adjacent to the discharging section is a discharging end, and the slag conveying pipe is of a structure gradually expanded from the feeding end to the discharging end. Further preferably, the pipe diameter of the discharge end of the slag conveying pipe is 1.1-1.2 times of the pipe diameter of the feed end.
In order to reduce the dust pollution at the slag outlet, the high-efficiency hot slag cooling device also comprises a humidifying pipe and a humidifying spray head, wherein the humidifying spray head is arranged at the top of the discharging section of the shell, one end of the humidifying pipe extends into the shell and is communicated with a water inlet of the humidifying spray head, and the other end of the humidifying pipe is positioned outside the shell. When in use, cold water is introduced into one end of the humidifying pipe positioned outside the shell for spraying so as to reduce the dust pollution of a slag outlet.
In order to ensure the use stability of the device, more than four support rings are arranged on the outer side of the shell along the circumferential direction.
In order to further improve the use stability, more than two reinforcing columns are arranged between the adjacent support rings.
The utility model provides a multistage hot slag cooling device subassembly of high efficiency, is formed by the high-efficient hot slag cooling device series connection more than two, wherein, two adjacent hot slag cooling device of high efficiency, the slay export of the hot slag cooling device of preceding high efficiency and the slay import butt joint of the hot slag cooling device of next high efficiency. Thus, the multi-stage cooling of the slag can be realized, and the heat of the slag can be more fully utilized until the discharging temperature is reached.
The technology not mentioned in the present invention refers to the prior art.
The high-efficiency hot slag cooling device of the utility model adopts the separation design of the slag conveying pipe and the water cavity, so that the preheating of slag is recycled, and the problem of wastewater treatment is solved; through the multiple slag conveying pipes, on one hand, heat is utilized more fully, and on the other hand, the slag cooling effect is improved; the conveying shaft and the spiral conveying blades are arranged in each slag conveying pipe, so that the problem of blockage is effectively avoided, and the smoothness of slag conveying is ensured; this application multistage assembly can realize the multistage cooling of slay, also can make the heat of slay obtain more abundant utilization.
Drawings
FIG. 1 is a schematic structural view of an efficient hot slag cooling apparatus according to embodiment 1 of the present invention;
FIG. 2 is a sectional view of a slag conveying pipe in a heat exchange section;
FIG. 3 is a schematic structural view of an efficient hot slag cooling apparatus according to embodiment 4 of the present invention;
FIG. 4 is a schematic structural view of a multistage high-efficiency hot slag cooling device assembly according to embodiment 6 of the present invention;
in the figure, 1 is a bracket, 2 is a shell, 21 is a feeding section, 22 is a heat exchange section, 221 is a water cavity, 222 is a water inlet, 223 is a water outlet, 23 is a discharging section, 24 is a slag inlet, 25 is a slag outlet, 26 is a support ring, 27 is a reinforcing column, 3 is a first clapboard, 4 is a second clapboard, 5 is a slag conveying pipe, 51 is a conveying shaft, 52 is a spiral conveying blade, 6 is a humidifying pipe, 7 is a humidifying nozzle, and 8 is a motor.
Detailed Description
For a better understanding of the present invention, the following examples are provided to further illustrate the present invention, but the present invention is not limited to the following examples.
The terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used herein in an orientation that is based on the orientation or positional relationship shown in the drawings or in use, and are used for convenience in describing the present application, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Example 1
As shown in fig. 1, a high-efficiency hot slag cooling device comprises a bracket, a shell, a first clapboard, a second clapboard and a slag conveying pipe; the shell is arranged on the bracket;
the shell is a cylindrical structure with two end sealed ends; the first partition plate and the second partition plate are respectively arranged at two axial ends in the shell, and the shell is axially divided into a feeding section, a heat exchange section and a discharging section; the first partition plate is provided with three first mounting holes, the second partition plate is provided with three second mounting holes, the first mounting holes and the second mounting holes are equal in number and opposite in position, and the first mounting holes and the opposite second mounting holes form mounting hole pairs; the top of the shell corresponding to the feeding section is provided with a slag inlet, and the bottom of the shell corresponding to the discharging section is provided with a slag outlet;
as shown in fig. 2, the slag conveying pipes have three same structures, the number of the slag conveying pipes is equal to the number of the mounting holes, the slag conveying pipes correspond to the mounting holes one by one, the slag conveying pipes are all positioned in the heat exchange section in the shell, and two ends of the slag conveying pipes are respectively connected with the corresponding first mounting holes and the second mounting holes; the space among the shell, the first partition plate, the second partition plate and the slag conveying pipe forms a closed water cavity, one end of the water cavity adjacent to the feeding section is a water inlet end, one end of the water cavity adjacent to the discharging section is a water outlet end, a water inlet is formed in the shell corresponding to the water inlet end of the water cavity, and a water outlet is formed in the shell corresponding to the water outlet end of the water cavity;
all be equipped with in every slay conveyer pipe and carry the axle, carry the both ends of axle to rotate respectively and connect the both ends tip in the casing and rotate through the motor drive that is located outside the casing, the epaxial spiral delivery vane that is equipped with of transport of feeding section and heat transfer section.
The slag conveying pipes are more than two with the same structure, so that the heat exchange effect and the heat exchange efficiency are improved, on one hand, heat is more fully utilized, and on the other hand, the cooling effect of slag is improved; through set up transport axle and auger delivery blade in every slay conveyer pipe, effectively avoided the problem of jam, ensured the unobstructed nature that slay was carried.
When the device is used, cooling water flows in from a water inlet and flows out from a water outlet of a water cavity, high-temperature slag enters from a slag inlet, enters into each slag conveying pipe under the conveying of a conveying shaft and a spiral conveying blade, exchanges heat with cold water in the water cavity, is output from a slag outlet after being cooled, and is subjected to secondary cooling (when the secondary cooling is carried out, two high-efficiency hot slag cooling devices of the device are directly connected in series) or is conveyed to a specified stockpiling point by a belt; the water outlet of the water cavity flows out of a high-temperature steam-water mixture which can be used for heating, heating and the like after steam-water separation.
Example 2
On the basis of the embodiment 1, the following improvements are further made: in order to further improve the efficiency and improve the smoothness of slag conveying, the shell forms an included angle of 30 degrees with the horizontal direction.
Example 3
On the basis of the embodiment 2, the following improvements are further made: in order to further improve the smoothness of slag conveying, one end of the slag conveying pipe adjacent to the feeding section is a feeding end, one end of the slag conveying pipe adjacent to the discharging section is a discharging end, and the slag conveying pipe is of a structure gradually expanded from the feeding end to the discharging end. The pipe diameter of the discharge end of the slag conveying pipe is 1.15 times of that of the feed end.
Example 4
On the basis of the embodiment 3, the following improvements are further made: as shown in fig. 3, in order to reduce the dust pollution at the slag outlet, the high-efficiency hot slag cooling device further comprises a humidifying pipe and a humidifying nozzle, wherein the humidifying nozzle is arranged at the top of the discharging section of the shell, one end of the humidifying pipe extends into the shell and is communicated with a water inlet of the humidifying nozzle, and the other end of the humidifying pipe is positioned outside the shell. When in use, cold water is introduced into one end of the humidifying pipe positioned outside the shell for spraying so as to reduce the dust pollution of a slag outlet.
Example 5
On the basis of the embodiment 6, the following improvements are further made: in order to ensure the use stability of the device, more than four support rings are arranged on the outer side of the shell along the circumferential direction; more than two reinforcing columns are arranged between the adjacent support rings.
Example 6
As shown in FIG. 4, a multistage high-efficiency hot slag cooling device assembly is formed by connecting two high-efficiency hot slag cooling devices of the above-mentioned respective examples in series, wherein the slag outlet of the former high-efficiency hot slag cooling device is butted against the slag inlet of the next high-efficiency hot slag cooling device. Thus, the multi-stage cooling of the slag can be realized, and the heat of the slag can be more fully utilized.
Through practice, the efficient hot slag cooling device of each example enables the preheating of slag to be recycled, the heat utilization rate of the slag is improved by more than 10%, the heat exchange efficiency is improved by more than 15%, and the slag cooling device does not have the problem of blockage when continuously running for 8 months.
Claims (9)
1. A high-efficient hot slag cooling device which characterized in that: comprises a bracket, a shell, a first clapboard, a second clapboard and a slag conveying pipe; the shell is arranged on the bracket;
the shell is a cylindrical structure with two end sealed ends; the first partition plate and the second partition plate are respectively arranged at two axial ends in the shell, and the shell is axially divided into a feeding section, a heat exchange section and a discharging section; the first partition plate is provided with more than two first mounting holes, the second partition plate is provided with more than two second mounting holes, the first mounting holes and the second mounting holes are equal in number and opposite in position, and the first mounting holes and the opposite second mounting holes form mounting hole pairs; the top of the shell corresponding to the feeding section is provided with a slag inlet, and the bottom of the shell corresponding to the discharging section is provided with a slag outlet;
the slag conveying pipes are more than two with the same structure, the number of the slag conveying pipes is equal to that of the mounting hole pairs, the slag conveying pipes correspond to the mounting hole pairs one by one, the slag conveying pipes are all positioned in the heat exchange section in the shell, and two ends of each slag conveying pipe are respectively connected with the corresponding first mounting hole and the corresponding second mounting hole; the space among the shell, the first partition plate, the second partition plate and the slag conveying pipe forms a closed water cavity, one end of the water cavity adjacent to the feeding section is a water inlet end, one end of the water cavity adjacent to the discharging section is a water outlet end, a water inlet is formed in the shell corresponding to the water inlet end of the water cavity, and a water outlet is formed in the shell corresponding to the water outlet end of the water cavity;
all be equipped with in every slay conveyer pipe and carry the axle, carry the both ends of axle to rotate respectively and connect the both ends tip in the casing and rotate through the motor drive that is located outside the casing, the epaxial spiral delivery vane that is equipped with of transport of feeding section and heat transfer section.
2. The efficient hot slag cooling apparatus of claim 1, wherein: the axial direction of the shell and the horizontal direction form an included angle of 15-45 degrees.
3. The high efficiency hot slag cooling apparatus of claim 2, wherein: the axial direction of the shell and the horizontal direction form an included angle of 20-35 degrees.
4. The high-efficiency hot slag cooling apparatus according to any one of claims 1 to 3, wherein: the slag conveying pipe is a structure gradually expanded from the feeding end to the discharging end.
5. The efficient hot slag cooling apparatus of claim 4, wherein: the pipe diameter of the discharge end of the slag conveying pipe is 1.1-1.2 times of that of the feed end.
6. The high-efficiency hot slag cooling apparatus according to any one of claims 1 to 3, wherein: the humidifying device also comprises a humidifying pipe and a humidifying spray head, wherein the humidifying spray head is arranged at the top of the discharging section of the shell, one end of the humidifying pipe extends into the shell and is communicated with a water inlet of the humidifying spray head, and the other end of the humidifying pipe is positioned outside the shell.
7. The high-efficiency hot slag cooling apparatus according to any one of claims 1 to 3, wherein: more than four support rings are arranged on the outer side of the shell along the circumferential direction.
8. The high efficiency hot slag cooling apparatus of claim 7, wherein: more than two reinforcing columns are arranged between the adjacent support rings.
9. The utility model provides a multistage high-efficient hot slag cooling device subassembly which characterized in that: the high-efficiency hot slag cooling device of any one of claims 1 to 8, wherein the slag outlet of the preceding high-efficiency hot slag cooling device is butted against the slag inlet of the following high-efficiency hot slag cooling device.
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| CN202021891208.4U CN212870797U (en) | 2020-09-02 | 2020-09-02 | High-efficient hot slag cooling device and subassembly thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739606A (en) * | 2021-11-03 | 2021-12-03 | 德阳劲达节能科技有限责任公司 | High-temperature solid particle sensible heat recovery evaporative cooling device |
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- 2020-09-02 CN CN202021891208.4U patent/CN212870797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739606A (en) * | 2021-11-03 | 2021-12-03 | 德阳劲达节能科技有限责任公司 | High-temperature solid particle sensible heat recovery evaporative cooling device |
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