CN112573561A - Waste heat recovery device for zinc sulfate production - Google Patents
Waste heat recovery device for zinc sulfate production Download PDFInfo
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- CN112573561A CN112573561A CN202011440368.1A CN202011440368A CN112573561A CN 112573561 A CN112573561 A CN 112573561A CN 202011440368 A CN202011440368 A CN 202011440368A CN 112573561 A CN112573561 A CN 112573561A
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- Prior art keywords
- heat recovery
- heat
- zinc sulfate
- box
- waste heat
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/06—Sulfates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a waste heat recovery device for zinc sulfate production, which comprises a heat recovery box and an inner box, wherein the inner box is fixedly arranged in the heat recovery box. Has the advantages that: the high-temperature steam is subjected to heat exchange through the inner box and the heat conducting fins, so that water in the heat recovery box is heated by using the heat of the high-temperature steam, waste heat recovery is realized, when zinc sulfate evaporation crystallization is carried out, the first connecting flange and the exhaust end of the crystallization kettle are communicated and connected, the high-temperature steam enters the inner box through the air inlet pipe, one end of the heat conducting fin is inserted into the inner box, the other end of the heat conducting fin is positioned in cold water in the heat recovery box, the high-temperature steam transfers the heat to the heat conducting fins through heat conduction, the heat conducting fins transfer the temperature to the cold water to complete heat recovery, the heat conducting fins are distributed densely, the contact with the high-temperature steam is improved, the heat exchange efficiency is improved, meanwhile, the waste heat is adopted to heat the water, the electric energy consumption caused by.
Description
Technical Field
The invention relates to the technical field of zinc sulfate production, in particular to a waste heat recovery device for zinc sulfate production.
Background
Zinc sulfate (chemical formula: ZnSO4) is the most important zinc salt, is colorless orthorhombic crystal or white powder, and heptahydrate (ZnSO 4.7H 2O) thereof is commonly called goslarite, is a natural mineral, is a main raw material for manufacturing lithopone and zinc salt, can also be used as a printing and dyeing mordant, a preservative for wood and leather, and an important auxiliary raw material for producing viscose fibers and vinylon fibers, and also has application in the electroplating and electrolysis industries and can also be used for manufacturing cables.
Zinc sulfate is in process of production, need carry out the evaporation crystallization, need use the crystallization kettle among the evaporation crystallization process, high-temperature steam also can be produced simultaneously, in addition, in process of production, the process of hot water washing also can experience, traditional hot water production adopts the mode of electrical heating, waste the waste heat that high-temperature steam and crystallization kettle produced when not environmental protection enough, thereby cause a large amount of heat energy to be extravagant, can further make the improvement, and simultaneously, traditional waste heat recovery mode is with the spiral pipe as for the aquatic, the mode through high-temperature steam heating spiral pipe adds hot water, water is little with the area of contact of spiral pipe, heat conduction efficiency is low, influence heat exchange efficiency, can further make the improvement, and the inconvenient heat that retrieves the crystallization kettle gived off of traditional waste heat recovery equipment, also cause waste heat, also can further make the improvement.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the waste heat recovery device for producing zinc sulfate, which has the advantages of high heat exchange efficiency, convenience in installation and adjustment and good universality, and further solves the problems in the background art.
(II) technical scheme
In order to realize the advantages of high heat exchange efficiency, convenient installation and adjustment and good universality, the invention adopts the following specific technical scheme:
the utility model provides a production waste heat recovery device for zinc sulfate, includes heat recovery case and inner box, the inside fixed mounting of heat recovery case has the inner box, and the inner box outer wall pegs graft and have the conducting strip to the conducting strip material is copper, inner box top surface through connection has the intake pipe, and the intake pipe runs through the heat recovery case and with coupling hose through connection to the coupling hose other end is connected with a flange, the inner box material is copper, and inner box and heat recovery case top surface projection shape are fan-shapedly.
Further, be provided with inner ring pole and outer loop sleeve between the heat recovery case, and inner ring pole one end inserts in the outer loop sleeve to inner ring pole one end is passed through spring and outer loop sleeve inner wall connection, the inner ring pole other end and heat recovery case lateral wall fixed connection, the outer loop sleeve other end and adjacent heat recovery case lateral wall fixed connection, heat recovery case top surface, bottom surface, both ends face and outside surface all paste and have the insulation cover.
Further, the vertical fixed welding of heat recovery case bottom surface corner has the inner prop, and is provided with the base below the heat recovery case to the welding of base top surface has outer leg, in the inner prop plug-in to outer leg, and the inner prop surface has seted up the through-hole, and outer leg surface has seted up the perforation, the bolt has been inserted in through-hole and the perforation.
Furthermore, the heat-conducting fins are distributed in a fan-shaped dense mode, are connected with the surface of the inner box in a sealing mode, and are not more than 1mm thick.
Further, the inner ring rod is an arc-shaped metal round rod, the outer ring sleeve and the inner ring rod are horizontally distributed, and the outer ring sleeve and the inner ring rod are distributed in a plurality from top to bottom.
Furthermore, the thermal insulation sleeve is made of aerogel materials, and the thickness of the thermal insulation sleeve is not less than 5 cm.
Furthermore, the through-hole has been seted up a plurality ofly from last to down, and the through-hole interval is not more than 5 cm.
Furthermore, the outer side surface of the heat recovery box is connected with a drain pipe in a penetrating manner, the surface of the drain pipe is provided with a switch valve, and the other end of the drain pipe is connected with a second connecting flange.
Furthermore, the bottom surface of the inner box is connected with an exhaust pipe in a penetrating manner, and the exhaust pipe penetrates through the heat recovery box and extends to the lower part of the heat recovery box.
Furthermore, the inner box bottom surface is located one side of the exhaust pipe and is connected with a liquid discharge pipe in a through mode, the liquid discharge pipe penetrates through the heat recovery box and extends to the lower portion of the heat recovery box, and the height of the top surface of the liquid discharge pipe is lower than that of the top surface of the exhaust pipe.
(III) advantageous effects
Compared with the prior art, the invention provides a waste heat recovery device for zinc sulfate production, which has the following beneficial effects:
(1) according to the invention, heat exchange is carried out on high-temperature steam through the inner box and the heat conducting fins, so that water in the heat recovery box is heated by using the heat of the high-temperature steam, thereby waste heat recovery is realized, when zinc sulfate evaporation crystallization is carried out, the first connecting flange and the exhaust end of the crystallization kettle are communicated and connected, the high-temperature steam enters the inner box through the air inlet pipe, one end of the heat conducting fin is inserted into the inner box, the other end of the heat conducting fin is positioned in cold water in the heat recovery box, the high-temperature steam transfers the heat to the heat conducting fins through heat conduction, the heat conducting fins transfer the temperature to the cold water, thereby completing the heat recovery, the heat conducting fins are distributed densely, the contact with the high-temperature steam is improved, thereby the heat exchange efficiency is improved, the heat exchange efficiency is further improved, meanwhile, the waste heat is adopted for heating.
(2) The heat recovery box support is connected with the outer ring sleeve through the inner ring rod, when the heat recovery box support is installed, the heat recovery box can be arranged on the outer side of the crystallization kettle, the inner ring rod is pulled by the spring to enter the outer ring sleeve, so that the heat recovery box is tightened, the inner side wall of the heat recovery box is abutted to the outer wall of the crystallization kettle, heat emitted by the outer wall of the crystallization kettle is transferred to the heat recovery box through heat conduction, waste heat is further recovered, and meanwhile, the heat loss is reduced through the heat insulation sleeve pasted on the outer wall of the heat recovery box, so that the heat recovery efficiency is further improved.
(3) According to the invention, the installation height of the heat recovery box can be adjusted through the inner column and the outer leg, when the heat recovery box is installed, a worker can pull out the bolt to raise or lower the position of the inner column in the outer leg, so that the height of the heat recovery box can be adjusted, after the adjustment is finished, the bolt is inserted back to penetrate through the through hole and the through hole, so that the height of the heat recovery box can be fixed, the height of a crystallization kettle is adapted, the contact between the inner side wall of the heat recovery box and the crystallization kettle is improved, the installation and the adjustment are more convenient, meanwhile, the distribution diameter of the heat recovery box can be changed through the inner ring rod and the outer ring sleeve, the crystallization kettles with different diameter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a waste heat recovery device for producing zinc sulfate according to an embodiment of the invention;
FIG. 2 is an external structural view of an inner case according to an embodiment of the present invention;
FIG. 3 is a schematic view of a connection of a heat recovery tank and a thermal jacket according to an embodiment of the present invention;
FIG. 4 is a schematic view of the connections between the heat recovery tanks according to an embodiment of the invention;
FIG. 5 is a schematic view of the outer structure of the inner ring rod and the outer ring sleeve according to an embodiment of the present invention;
FIG. 6 is a schematic view of the internal connection of the inner ring rod and the outer ring sleeve according to an embodiment of the present invention;
FIG. 7 is a front view of a heat recovery tank according to an embodiment of the present invention;
fig. 8 is a schematic view of the connection of an outer leg and an inner post according to an embodiment of the present invention.
In the figure:
1. a heat recovery tank; 2. an inner box; 3. a heat conductive sheet; 4. a thermal insulation sleeve; 5. an air inlet pipe; 6. a connecting hose; 7. a first connecting flange; 8. a drain pipe; 9. an inner column; 10. a bolt; 11. an outer leg; 12. a base; 13. an exhaust pipe; 14. a liquid discharge pipe; 15. an inner ring rod; 16. an outer ring sleeve; 17. a spring; 18. a through hole; 19. a second connecting flange; 20. and (6) perforating.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, the waste heat recovery device for producing zinc sulfate is provided.
The invention is further explained by combining the attached drawings and the detailed description, as shown in fig. 1-8, the waste heat recovery device for producing zinc sulfate according to the embodiment of the invention comprises a heat recovery box 1 and an inner box 2, the inner box 2 is fixedly arranged in the heat recovery box 1, a heat conducting fin 3 is inserted on the outer wall of the inner box 2, the heat conducting fin 3 is made of copper, the top surface of the inner box 2 is connected with an air inlet pipe 5 in a penetrating way, the air inlet pipe 5 penetrates through the heat recovery box 1 and is connected with a connecting hose 6 in a penetrating way, the other end of the connecting hose 6 is connected with a first connecting flange 7 for convenient connection, the inner box 2 is made of copper, the heat conducting efficiency is high, the projection shapes of the top surfaces of the inner box 2 and the heat recovery box 1 are both fan-shaped and are convenient to be matched with a crystallization kettle, when evaporation crystallization of zinc sulfate is carried out, the first connecting flange 7 can be connected with the exhaust end of the crystallization kettle, 3 one ends of conducting strip insert in inner box 2, the other end is arranged in the cold water of heat recovery case 1, high temperature steam transmits the heat for conducting strip 3 through heat-conduction, conducting strip 3 transmits the temperature for cold water, accomplish heat recovery, 3 intensive distributions of conducting strip have improved the contact with high temperature steam, thereby heat exchange efficiency has been improved, and then heat exchange efficiency has been improved, and simultaneously, adopt the waste heat to heat water, reduce the electric energy consumption of electric heating production, and is more energy-concerving and environment-protective.
In one embodiment, an inner ring rod 15 and an outer ring sleeve 16 are arranged between the heat recovery boxes 1, one end of the inner ring rod 15 is inserted into the outer ring sleeve 16, one end of the inner ring rod 15 is connected with the inner wall of the outer ring sleeve 16 through a spring 17, two ends of the spring 17 are respectively fixedly connected with one end of the inner ring rod 15 and the inner wall of the outer ring sleeve 16, the other end of the inner ring rod 15 is fixedly connected with the side wall of the heat recovery box 1, the other end of the outer ring sleeve 16 is fixedly connected with the adjacent side wall of the heat recovery box 1, heat insulation sleeves 4 are respectively adhered on the top surface, the bottom surface, the two end surfaces and the outer side surface of the heat recovery box 1, the heat insulation sleeves 4 are not adhered on the inner side surface of the heat recovery box 1, when the heat recovery box is installed, the heat recovery box 1 can be arranged on the outer side of a crystallization kettle, the spring 17 pulls the inner ring rod 15 into the outer ring sleeve 16, thereby, thereby further retrieve the waste heat, simultaneously, the insulation cover 4 that 1 outer wall of heat recovery case pasted reduces the heat and runs off to further improved heat recovery efficiency, simultaneously, 1 accessible inner ring pole 15 of heat recovery case and outer loop sleeve 16 change the diameter of distribution, satisfy the crystallization kettle of different diameter types, the commonality is stronger, and it is more convenient to use.
In one embodiment, the inner column 9 is vertically and fixedly welded at the corner of the bottom surface of the heat recovery tank 1, and a base 12 is arranged below the heat recovery tank 1, and the top surface of the base 12 is welded with an outer leg 11, the inner column 9 is inserted into the outer leg 11, the surface of the inner column 9 is provided with a through hole 18, and the outer leg 11 is provided with a through hole 20 on the surface, the bolt 10 is inserted into the through hole 18 and the through hole 20, thereby fixing the inner column 9 and the outer leg 11, and when the worker installs the inner column 9, the worker can pull out the latch 10, raise or lower the position of the inner column 9 in the outer leg 11, the height of the heat recovery box 1 can be adjusted, after the adjustment is finished, the inserted pin 10 penetrates through the through hole 18 and the through hole 20 to fix the height of the heat recovery box 1, thereby adapt to crystallization kettle height, improve the contact of 1 inside wall of heat recovery case and crystallization kettle, it is more convenient to install and adjust.
In one embodiment, the heat conducting fins 3 are distributed in a fan-shaped dense mode, the heat conducting fins 3 are connected with the surface of the inner box 2 in a sealing mode, the thickness of each heat conducting fin 3 is not more than 1mm, the heat conducting speed is higher, the contact area is larger, and the heat exchange efficiency is fully improved.
In one embodiment, the inner ring rod 15 is an arc-shaped metal round rod, the outer ring sleeve 16 and the inner ring rod 15 are horizontally distributed, the outer ring sleeve 16 and the inner ring rod 15 are distributed in a plurality from top to bottom, the outer diameter of the inner ring rod 15 is equal to the inner diameter of the outer ring sleeve 16, the shaking is small, and the connection with the heat recovery box 1 is more stable.
In one embodiment, the thermal insulation sleeve 4 is made of aerogel, and the thickness of the thermal insulation sleeve 4 is not less than 5cm, so that the thermal insulation performance is strong.
In one embodiment, the through holes 18 are opened in a plurality from top to bottom, and the distance between the through holes 18 is not more than 5cm, so that the height fine adjustment can be conveniently carried out by a worker.
In one embodiment, the outer side surface of the heat recovery tank 1 is connected with a drain pipe 8 in a penetrating way, the surface of the drain pipe 8 is provided with a switch valve, the other end of the drain pipe 8 is connected with a second connecting flange 19, and the second connecting flange 19 is convenient to be connected with a hot water heating device and is convenient to heat water for the second time to reach the temperature of hot water washing.
In one embodiment, the exhaust pipe 13 is connected to the bottom surface of the inner box 2, the exhaust pipe 13 penetrates through the heat recovery box 1 and extends to the lower part of the heat recovery box 1, the surface of the exhaust pipe 13 is also provided with a switch valve, the second connecting flange 19 is also connected to the bottom surface of the exhaust pipe 13, so that the exhaust gas treatment equipment can be conveniently connected, the exhaust pipe 13 can be used for conveniently discharging excessive steam, and the excessive pressure of the inner box 2 can be avoided.
In one embodiment, a drain pipe 14 is connected to the bottom surface of the inner box 2 at one side of the exhaust pipe 13, the drain pipe 14 penetrates through the heat recovery box 1 and extends to the lower part of the heat recovery box 1, the top surface of the drain pipe 14 is lower than the top surface of the exhaust pipe 13, a switch valve is also arranged on the surface of the drain pipe 14, a second connecting flange 19 is also connected to the bottom surface of the drain pipe 14, so that a condensed liquid recovery device can be connected conveniently, the drain pipe 14 can drain and collect condensed liquid conveniently, and the phenomenon of poor heat conduction caused by accumulation of the condensed liquid is avoided.
The working principle is as follows:
when zinc sulfate evaporation crystallization is carried out, the first connecting flange 7 can be communicated with the exhaust end of the crystallization kettle, high-temperature steam enters the inner box 2 through the air inlet pipe 5, one end of the heat conducting fin 3 is inserted into the inner box 2, the other end of the heat conducting fin is positioned in cold water in the heat recovery box 1, the high-temperature steam transfers heat to the heat conducting fin 3 through heat conduction, the heat conducting fin 3 transfers temperature to the cold water to finish heat recovery, the heat conducting fins 3 are densely distributed to improve the contact with the high-temperature steam, thereby improving the heat exchange efficiency and further improving the heat exchange efficiency, meanwhile, the water is heated by waste heat, the electric energy consumption caused by electric heating is reduced, the device is more energy-saving and environment-friendly, meanwhile, when the device is installed, the heat recovery box 1 can be arranged outside the crystallization kettle, the spring 17 pulls the inner ring rod 15 to enter the outer ring sleeve 16, thereby tightening the heat recovery box 1, and enabling the inner side wall of the, the heat that the crystallization kettle outer wall gived off transmits for heat recovery case 1 through heat-conduction, thereby further retrieve the waste heat, simultaneously, the insulation cover 4 that 1 outer wall of heat recovery case pasted reduces the heat loss, thereby further improved heat recovery efficiency, and simultaneously, 1 accessible inner ring pole 15 of heat recovery case and outer loop sleeve 16 change the distribution diameter, satisfy the crystallization kettle of different diameter types, the commonality is stronger, it is more convenient to use, in addition, when the staff installs, can pull out bolt 10, rise or reduce the position that inner prop 9 is located outer leg 11, can adjust the height of heat recovery case 1, after the adjustment finishes, insert back bolt 10 and run through the height that through-hole 18 and perforation 20 can fix heat recovery case 1, thereby adapt to the crystallization kettle height, improve the contact of 1 inside wall of heat recovery case and crystallization kettle, it is more convenient to install and adjust.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a production waste heat recovery device for zinc sulfate, its characterized in that, includes heat recovery case (1) and inner box (2), the inside fixed mounting of heat recovery case (1) has inner box (2), and inner box (2) outer wall pegs graft and have conducting strip (3) to conducting strip (3) material is copper, inner box (2) top surface through connection has intake pipe (5), and intake pipe (5) run through heat recovery case (1) and with coupling hose (6) through connection to coupling hose (6) other end is connected with first flange (7), inner box (2) material is copper, and inner box (2) and heat recovery case (1) top surface projection shape are fan-shapedly.
2. The waste heat recovery device for producing zinc sulfate according to claim 1, characterized in that an inner ring rod (15) and an outer ring sleeve (16) are arranged between the heat recovery tanks (1), one end of the inner ring rod (15) is inserted into the outer ring sleeve (16), one end of the inner ring rod (15) is connected with the inner wall of the outer ring sleeve (16) through a spring (17), the other end of the inner ring rod (15) is fixedly connected with the side wall of the heat recovery tank (1), the other end of the outer ring sleeve (16) is fixedly connected with the side wall of the adjacent heat recovery tank (1), and heat insulation sleeves (4) are adhered to the top surface, the bottom surface, the two end surfaces and the outer side surface of the heat recovery tank (1).
3. The waste heat recovery device for zinc sulfate production according to claim 1, characterized in that an inner column (9) is vertically and fixedly welded at a corner of the bottom surface of the heat recovery tank (1), a base (12) is arranged below the heat recovery tank (1), an outer leg (11) is welded at the top surface of the base (12), the inner column (9) is inserted into the outer leg (11), a through hole (18) is formed in the surface of the inner column (9), a through hole (20) is formed in the surface of the outer leg (11), and a bolt (10) is inserted into the through hole (18) and the through hole (20).
4. The waste heat recovery device for producing zinc sulfate according to claim 1, characterized in that the heat-conducting fins (3) are distributed in a fan-shaped dense manner, the heat-conducting fins (3) are hermetically connected with the surface of the inner box (2), and the thickness of the heat-conducting fins (3) is not more than 1 mm.
5. The waste heat recovery device for zinc sulfate production according to claim 2, characterized in that the inner ring rod (15) is an arc-shaped metal round rod, the outer ring sleeve (16) and the inner ring rod (15) are horizontally distributed, and the outer ring sleeve (16) and the inner ring rod (15) are distributed in plurality from top to bottom.
6. The waste heat recovery device for zinc sulfate production of the claim 2, characterized in that the thermal insulation sleeve (4) is made of aerogel, and the thickness of the thermal insulation sleeve (4) is not less than 5 cm.
7. The waste heat recovery device for zinc sulfate production according to claim 3, wherein the through holes (18) are formed in a plurality from top to bottom, and the distance between the through holes (18) is not more than 5 cm.
8. The waste heat recovery device for zinc sulfate production according to claim 1, characterized in that a drain pipe (8) penetrates through the outer side surface of the heat recovery tank (1), a switch valve is installed on the surface of the drain pipe (8), and a second connecting flange (19) is connected to the other end of the drain pipe (8).
9. The waste heat recovery device for zinc sulfate production according to claim 1, characterized in that an exhaust pipe (13) is connected to the bottom surface of the inner box (2) in a penetrating manner, and the exhaust pipe (13) penetrates through the heat recovery box (1) and extends to the lower part of the heat recovery box (1).
10. The waste heat recovery device for zinc sulfate production according to claim 9, characterized in that a drain pipe (14) is connected to the bottom surface of the inner tank (2) on the side of the exhaust pipe (13), the drain pipe (14) penetrates through the heat recovery tank (1) and extends to the lower part of the heat recovery tank (1), and the height of the top surface of the drain pipe (14) is lower than that of the top surface of the exhaust pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011440368.1A CN112573561A (en) | 2020-12-08 | 2020-12-08 | Waste heat recovery device for zinc sulfate production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011440368.1A CN112573561A (en) | 2020-12-08 | 2020-12-08 | Waste heat recovery device for zinc sulfate production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113841825A (en) * | 2021-10-09 | 2021-12-28 | 广州禄仕食品有限公司 | Two segmentation minced fillet goods cooking device |
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| CN203095621U (en) * | 2013-01-28 | 2013-07-31 | 武汉东晟捷能科技有限公司 | Special waste heat utilization device in production process of sodium hexametaphoshpate |
| US20160153716A1 (en) * | 2014-11-28 | 2016-06-02 | Boe Technology Group Co., Ltd. | Heat recovery device and alignment film curing system |
| CN207062359U (en) * | 2017-06-15 | 2018-03-02 | 大余县东宏锡制品有限公司 | A kind of high-temperature slag waste-heat recovery device |
| CN108519012A (en) * | 2018-04-04 | 2018-09-11 | 佛山市春暖花开科技有限公司 | A kind of industrial smoke waste-heat recovery device |
| CN109489439A (en) * | 2018-12-05 | 2019-03-19 | 湖南省金润碲业有限公司 | A kind of waste-heat recovery device of smelting furnace |
| CN209853746U (en) * | 2019-04-13 | 2019-12-27 | 盘锦恒远实业有限公司 | System for preparing desulfurized gypsum from pyrite |
| CN209978078U (en) * | 2019-05-07 | 2020-01-21 | 杭州浩然纺织科技有限公司 | Flue gas waste heat recovery and recirculation device |
| CN111197933A (en) * | 2020-01-19 | 2020-05-26 | 江苏恒丰能环科技股份有限公司 | Waste heat step recovery flue heat exchange tube |
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| CN113841825A (en) * | 2021-10-09 | 2021-12-28 | 广州禄仕食品有限公司 | Two segmentation minced fillet goods cooking device |
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Application publication date: 20210330 |