CN112013704A - A high-efficient type waste heat recovery system for steelmaking continuous casting - Google Patents
A high-efficient type waste heat recovery system for steelmaking continuous casting Download PDFInfo
- Publication number
- CN112013704A CN112013704A CN202010919150.8A CN202010919150A CN112013704A CN 112013704 A CN112013704 A CN 112013704A CN 202010919150 A CN202010919150 A CN 202010919150A CN 112013704 A CN112013704 A CN 112013704A
- Authority
- CN
- China
- Prior art keywords
- pipe
- cleaning
- recovery
- recovery tank
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
- F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a high-efficiency waste heat recovery system for steelmaking continuous casting, wherein a heat recovery assembly is arranged on one side of a crystallizer matrix, a plurality of exhaust holes are equidistantly formed in the top end of the crystallizer matrix, exhaust fans are embedded and installed on the inner sides of the exhaust holes, speed reduction cylinders are welded at the bottom ends inside a first recovery tank and a second recovery tank, a heat conduction plate is installed at one end of each speed reduction cylinder, a first water inlet pipe is installed at the bottom end of each second recovery tank, a first water outlet pipe is installed at the top end of each second recovery tank, the exhaust of hot steam inside the crystallizer is accelerated through the exhaust fans, the hot steam is exhausted into the recovery tanks, the flowing speed of the hot steam is reduced through the speed reduction cylinders in the recovery tanks, the heat dissipation time of the hot steam in the tanks is ensured, the heat conduction area is increased through the heat conduction plates, and the effect of recovering heat energy contained in, thereby ensuring the utilization rate of heat energy and reducing the waste of resources.
Description
Technical Field
The invention relates to the technical field of steelmaking continuous casting, in particular to a high-efficiency waste heat recovery system for steelmaking continuous casting.
Background
Continuous casting is short for continuous casting steel, and in the process of producing various steel products in a steel plant, two methods are used for solidifying and forming molten steel: the traditional die casting method and continuous casting method have the obvious advantages of greatly improving the metal yield and the casting blank quality, saving energy and the like, molten steel is injected into a tundish, the tundish distributes the molten steel into various crystallizers through water gaps, and the crystallizers are one of core devices of a continuous casting machine and enable castings to be formed and rapidly solidified and crystallized.
However, in the existing market, when molten steel is solidified and crystallized in a crystallizer, water is utilized to directly cool the molten steel, vapor generated by the cooled water is directly discharged, so that energy is greatly wasted in steelmaking, and the energy utilization rate is greatly reduced.
Disclosure of Invention
The invention provides an efficient waste heat recovery system for steelmaking continuous casting, which can effectively solve the problems that when molten steel is solidified and crystallized in a crystallizer, water is used for directly cooling the molten steel, vapor generated by the cooled water is directly discharged, so that energy is greatly wasted during steelmaking, and the energy utilization rate is greatly reduced in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency waste heat recovery system for steelmaking continuous casting comprises a crystallizer matrix, wherein a heat recovery assembly is arranged on one side of the crystallizer matrix;
the heat recovery assembly comprises an exhaust hole, an exhaust fan, an exhaust pipe, a concentration pipe, a first recovery tank, a first exhaust pipe, a second recovery tank, a speed reduction cylinder, a heat conduction plate, a heat conduction groove, a first water inlet pipe, a water inlet pump, a first water outlet pipe, a booster water pump, a second water inlet pipe and a water outlet limiting valve;
the crystallizer is characterized in that a plurality of exhaust holes are formed in the top end of the crystallizer base body at equal intervals, exhaust fans are embedded and mounted on the inner sides of the exhaust holes, exhaust pipes are welded and mounted at positions, corresponding to the exhaust holes, of the top end of the crystallizer base body, one ends of the exhaust pipes are connected with one end of a concentration pipe through adapters, and the other end of the concentration pipe penetrates through the middle of the top end of a first recovery tank;
a first exhaust pipe is installed in the middle of the bottom end of the first recovery tank in a penetrating mode, one end of the first exhaust pipe is installed in the middle of the bottom end of the second recovery tank in a penetrating mode, speed reduction cylinders are welded at the bottom ends of the first recovery tank and the second recovery tank, a plurality of heat conduction plates are installed at one end of each speed reduction cylinder in a penetrating mode at equal intervals, and a plurality of heat conduction grooves are formed in the top ends of the heat conduction plates at equal intervals;
second recovery tank bottom one side is run through and is installed first inlet tube, first inlet tube one end is connected with the intake pump through the adapter, second recovery tank top one side is run through and is installed first outlet pipe, first outlet pipe output is connected with the booster pump end of intaking through the adapter, booster pump water outlet end is connected with second inlet tube input through the adapter, second inlet tube output runs through and installs in first recovery tank bottom one side, first inlet tube and second inlet tube one side all imbed and install out water limiting valve, exhaust fan, intake pump and booster pump input and external power source output electric connection.
Preferably, a deceleration section of thick bamboo length is equal with the inboard length of first recovery jar and second recovery jar respectively, a deceleration section of thick bamboo internal diameter is greater than the pipe internal diameter of concentrating, first blast pipe internal diameter equals with the pipe internal diameter of concentrating.
Preferably, the inner diameter of the first water inlet pipe is equal to that of the first water outlet pipe, and an air outlet pipe penetrates through one side of the top end of the second recovery tank.
Preferably, a scale cleaning assembly is arranged on one side of the first recovery tank and one side of the second recovery tank;
the scale cleaning assembly comprises an outer cleaning electric push rod, a cleaning ring plate, a cleaning hole, a water drainage hole, an inner cleaning electric push rod, a cleaning circular plate, a cleaning port, an air outlet hole, an intercepting box, a cleaning water inlet pipe, an overflow limiting valve, a cleaning water outlet pipe and a discharge limiting valve;
outer cleaning electric push rods are symmetrically arranged on one side of the top ends of the first recovery tank and the second recovery tank in a penetrating manner, a cleaning annular plate is arranged at the bottom end of each outer cleaning electric push rod, cleaning holes are formed in positions, corresponding to the heat conducting plate, of the cleaning annular plate, a plurality of drain holes are formed in the top end of the cleaning annular plate at equal intervals, inner cleaning electric push rods are symmetrically arranged in the middle of the top ends of the first recovery tank and the second recovery tank in a penetrating manner, a cleaning circular plate is arranged at the bottom end of each inner cleaning electric push rod and is slidably arranged inside the speed reducing cylinder, cleaning openings are formed in positions, corresponding to the heat conducting plate, of the cleaning circular plate, air outlet holes are formed in the middle of the cleaning circular plate, intercepting boxes are embedded in positions, corresponding to the top end of the second water inlet pipe, of the first recovery tank and the second recovery tank, cleaning water inlet pipes, first recovery tank and second are retrieved tank bottoms one side and are all run through and install clean outlet pipe, clean outlet pipe one side embedding is installed and is discharged the restriction valve, outer clean electric push rod and interior clean electric push rod input and external power supply output electric connection.
Preferably, the inner diameter of the cleaning ring plate is equal to the outer diameter of the speed reducing cylinder, and the diameter of the cleaning circular plate is equal to the inner diameter of the speed reducing cylinder.
Preferably, a collecting assembly is installed on one side of the first exhaust pipe;
the collecting assembly comprises a third recovery pipe, a flow limiting hopper, a collecting tank, a water pumping pipe, a limiting pipe, a blow-off pipe and a water discharging pipe;
first exhaust pipe bottom is connected with the third recovery tube input through the adapter, the inboard embedding of third recovery tube is installed and is had the current limiting bucket, the third recovery tube output runs through to be installed in collection tank top middle part, the collection tank top runs through to install the drinking-water pipe, the drinking-water pipe output is connected with the booster pump input through the adapter, collection tank one side top runs through to install spacing pipe, two clean outlet pipe output all is connected with the blow off pipe input through the adapter, the blow off pipe output runs through to be installed in collection tank top one side, collection tank one side bottom runs through to install the blow-off pipe.
Preferably, the inner diameter of the sewage draining pipe is larger than the inner diameter of the cleaning water outlet pipe, and the inner diameter of the limiting pipe is larger than the inner diameter of the third recovery pipe.
Preferably, one side of the collecting tank is provided with an intercepting component;
the intercepting component comprises a trash discharging port, a sealing arc plate, an observation window, a thick intercepting net, a thin intercepting net, an arc-shaped cleaning plate and a pulling rod;
trash discharge port has been seted up on collection tank one side top, the articulated sealed arc board of installing of corresponding trash discharge port position department of collection tank, collection tank one side is close to sealed arc board position department embedding and installs the observation window, the collection tank inboard is close to top position department embedding and installs thick interception net, the inboard middle part of collection tank is close to thick interception net position department embedding and installs thin interception net, thin interception net top slidable mounting has the clean board of arc, clean board one end middle part fixed mounting of arc has the pulling pole.
Preferably, the length and the width of the sealing arc plate are respectively equal to those of the impurity discharging port, and the top end of the arc cleaning plate is slidably mounted at the bottom end of the coarse interception net.
Preferably, the ventilation hole has been seted up to crystallizer base member both ends bottom, the impurity interception net is installed in the inboard embedding in ventilation hole, it is cotton all to have cup jointed the heat preservation outside concentrating pipe, first exhaust pipe, first outlet pipe and the second inlet tube.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. be provided with the heat recovery subassembly, discharge through the inside hot steam of exhaust fan acceleration crystallizer, and with hot steam discharge in the recovery tank, slow down its velocity of flow through the section of thick bamboo that slows down in the recovery tank, thereby hot steam has been guaranteed at the internal radiating time of jar, and increase heat conduction area through the heat-conducting plate, through two recovery tanks and continuous endless cold water, thereby the effect of the recovery of the heat energy that contains to hot steam has been guaranteed, thereby the utilization ratio of heat energy has been guaranteed, the waste of resource has been reduced simultaneously.
2. Be provided with the scale removal subassembly, drive clean crown plate and clean plectane through the electric putter and remove to clean jar body, a speed reduction section of thick bamboo and conducting strip, guaranteed the clean stratification degree on its surface, thereby guaranteed its heat conduction area with water contact, increase heat conduction area once more through clean crown plate and clean plectane simultaneously, thereby guaranteed the efficiency and the effect of heat exchange, further guaranteed the effective utilization to the resource.
3. Be provided with the collection subassembly, import the comdenstion water under the hot steam condenses to the collection jar through the recovery tube, avoid steam to get into wherein through the current limiting fill simultaneously, avoid the comdenstion water to save in a speed reduction section of thick bamboo and blast pipe, avoid its influence heat transfer effect, avoid simultaneously to appear because of the condition that the comdenstion water long-term storage leads to the inside jam of pipeline, be convenient for simultaneously to the reuse of water, reduce the waste of resource.
4. Be provided with the interception subassembly, intercept the water of draining into the collection tank inside through thick interception net and thin interception net to intercept all impurity of aquatic, avoid impurity to pile up in jar body bottom, be convenient for regularly clear up jar body interception net through arc cleaning plate and pulling rod simultaneously, thereby guaranteed the clean of jar internal portion.
5. Be provided with ventilation hole, impurity interception net and keep warm cotton, go out water limiting valve, overflow limiting valve and discharge limiting valve, guaranteed the temperature when hot steam and water are carried through the heat preservation cotton, reduce scattering and disappearing of heat energy to better assurance is to the utilization of heat energy, simultaneously through mutually supporting of a plurality of limiting valves, thereby has guaranteed the normal clear of heat transfer.
To sum up, mutually support through heat recovery subassembly and snaking subassembly to increased heat conduction area, guaranteed the effect of heat transfer, mutually support through collecting subassembly and interception subassembly, thereby guaranteed the recovery of water resource and recycled, avoided the water cyclic utilization who contains impurity, mutually support through a plurality of subassemblies, thereby guaranteed the effect to heat energy utilization.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the heat recovery assembly of the present invention;
FIG. 3 is a schematic view of a heat sink mounting structure according to the present invention;
FIG. 4 is a schematic view of the construction of the scale removing assembly of the present invention;
FIG. 5 is a schematic view of a cleaning disk installation structure of the present invention;
FIG. 6 is a schematic view of the construction of the collection assembly of the present invention;
FIG. 7 is a schematic cross-sectional view of a third recovery pipe of the present invention;
FIG. 8 is a schematic view of the interception component structure of the present invention;
FIG. 9 is a schematic view of the installation structure of the heat-insulating cotton of the present invention;
reference numbers in the figures: 1. a crystallizer matrix;
2. a heat recovery assembly; 201. an air exhaust hole; 202. an exhaust fan; 203. an exhaust duct; 204. a concentration pipe; 205. a first recovery tank; 206. a first exhaust pipe; 207. a second recovery tank; 208. a reduction drum; 209. a heat conducting plate; 210. a heat conducting groove; 211. a first water inlet pipe; 212. a water inlet pump; 213. a first water outlet pipe; 214. a booster water pump; 215. a second water inlet pipe; 216. a water outlet limiting valve;
3. a scale cleaning component; 301. an external cleaning electric push rod; 302. cleaning the ring plate; 303. cleaning the hole; 304. a drain hole; 305. an inner cleaning electric push rod; 306. cleaning the circular plate; 307. cleaning the mouth; 308. an air outlet; 309. an interception box; 310. cleaning the water inlet pipe; 311. an overflow limiting valve; 312. cleaning the water outlet pipe; 313. a discharge limiting valve;
4. a collection assembly; 401. a third recovery pipe; 402. a flow limiting hopper; 403. a collection tank; 404. a water pumping pipe; 405. a limiting pipe; 406. a blow-off pipe; 407. a water discharge pipe;
5. an interception component; 501. a trash discharge port; 502. sealing the arc plate; 503. an observation window; 504. coarse interception net; 505. a fine interception net; 506. an arc-shaped cleaning plate; 507. pulling a rod;
6. a vent hole; 7. an impurity intercepting net; 8. and (5) heat preservation cotton.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-9, the present invention provides a technical solution, a high-efficiency waste heat recovery system for continuous steel making, comprising a crystallizer matrix 1, a heat recovery assembly 2 is installed on one side of the crystallizer matrix 1;
the heat recovery component 2 comprises an exhaust hole 201, an exhaust fan 202, an exhaust pipe 203, a concentration pipe 204, a first recovery tank 205, a first exhaust pipe 206, a second recovery tank 207, a speed reduction cylinder 208, a heat conduction plate 209, a heat conduction groove 210, a first water inlet pipe 211, a water inlet pump 212, a first water outlet pipe 213, a booster water pump 214, a second water inlet pipe 215 and a water outlet limiting valve 216;
a plurality of exhaust holes 201 are formed in the top end of the crystallizer base body 1 at equal intervals, exhaust fans 202 are embedded in the inner sides of the exhaust holes 201, exhaust pipes 203 are welded and installed at positions, corresponding to the positions of the exhaust holes 201, of the top end of the crystallizer base body 1, one ends of the exhaust pipes 203 are connected with one end of a concentration pipe 204 through adapters, and the other end of the concentration pipe 204 penetrates through the middle of the top end of a first recovery tank 205;
the middle of the bottom end of the first recovery tank 205 is provided with a first exhaust pipe 206 in a penetrating way, one end of the first exhaust pipe 206 is arranged in the middle of the bottom end of the second recovery tank 207 in a penetrating way, one side of the top end of the second recovery tank 207 is provided with an air outlet pipe in a penetrating way, so that the normality of the air pressure in the tank body is ensured, the bottom ends of the first recovery tank 205 and the second recovery tank 207 are welded with speed reduction cylinders 208, the length of each speed reduction cylinder 208 is equal to the length of the inner side of each of the first recovery tank 205 and the second recovery tank 207, the inner diameter of each speed reduction cylinder 208 is larger than the inner diameter of the concentration pipe 204, the inner diameter of each first exhaust pipe 206 is equal to the inner diameter of the concentration pipe 204, so that the speed reduction efficiency of hot steam is ensured;
the second is retrieved jar 207 bottom one side and is run through and install first inlet tube 211, first inlet tube 211 one end is connected with intake water pump 212 through the adapter, second is retrieved jar 207 top one side and is run through and install first outlet pipe 213, first inlet tube 211 internal diameter equals with first outlet pipe 213 internal diameter, the normal velocity of flow has been guaranteed, first outlet pipe 213 output is connected with booster water pump 214 through the adapter end of intaking, booster water pump 214 goes out the water end and is connected with second inlet tube 215 input through the adapter, second inlet tube 215 output runs through and installs in first recovery jar 205 bottom one side, first inlet tube 211 and second inlet tube 215 one side all imbeds and installs out water limiting valve 216, exhaust fan 202, intake water pump 212 and booster water pump 214 input and external power source output electric connection.
The descaling component 3 is arranged on one side of the first recovery tank 205 and one side of the second recovery tank 207;
the scale cleaning component 3 comprises an outer cleaning electric push rod 301, a cleaning ring plate 302, a cleaning hole 303, a water discharging hole 304, an inner cleaning electric push rod 305, a cleaning circular plate 306, a cleaning port 307, an air outlet hole 308, an interception box 309, a cleaning water inlet pipe 310, an overflow limiting valve 311, a cleaning water outlet pipe 312 and a discharge limiting valve 313;
an outer cleaning electric push rod 301 is symmetrically installed on one side of the top ends of the first recovery tank 205 and the second recovery tank 207 in a penetrating manner, a cleaning annular plate 302 is installed at the bottom end of the outer cleaning electric push rod 301, a cleaning hole 303 is formed in the position, corresponding to the heat conducting plate 209, of the cleaning annular plate 302, a plurality of drain holes 304 are equidistantly formed in the top end of the cleaning annular plate 302, an inner cleaning electric push rod 305 is symmetrically installed in the middle of the top ends of the first recovery tank 205 and the second recovery tank 207 in a penetrating manner, a cleaning circular plate 306 is installed at the bottom end of the inner cleaning electric push rod 305, the inner diameter of the cleaning annular plate 302 is equal to the outer diameter of the speed reducing cylinder 208, the diameter of the cleaning circular plate 306 is equal to the inner diameter of the speed reducing cylinder 208, so that the tank body and the speed reducing cylinder 208 can be cleaned conveniently, the cleaning circular plate 306 is slidably installed inside the speed reducing cylinder 208, a cleaning opening, first recovery jar 205 and second recovery jar 207 top one side all run through to install clean inlet tube 310, clean inlet tube 310 one side embedding is installed and is spilled over limiting valve 311, and first recovery jar 205 and second recovery jar 207 bottom one side all run through to install clean outlet pipe 312, and clean outlet pipe 312 one side embedding is installed and is discharged limiting valve 313, outer clean electric push rod 301 and interior clean electric push rod 305 input and external power supply output electric connection.
The collecting component 4 is arranged on one side of the first exhaust pipe 206;
the collecting component 4 comprises a third recovery pipe 401, a flow limiting hopper 402, a collecting tank 403, a pumping pipe 404, a limiting pipe 405, a sewage draining pipe 406 and a water draining pipe 407;
the bottom end of the first exhaust pipe 206 is connected with the input end of a third recovery pipe 401 through an adapter, a flow limiting hopper 402 is embedded and installed on the inner side of the third recovery pipe 401, the output end of the third recovery pipe 401 is installed in the middle of the top end of a collection tank 403 in a penetrating manner, a water pumping pipe 404 is installed on the top end of the collection tank 403 in a penetrating manner, the output end of the water pumping pipe 404 is connected with the input end of a booster water pump 214 through an adapter, a limiting pipe 405 is installed on the top end of one side of the collection tank 403 in a penetrating manner, the inner diameter of the limiting pipe 405 is larger than the inner diameter of the third recovery pipe 401, the first exhaust pipe 206 is prevented from being filled with condensate water, the output ends of the two clean exhaust pipes 312 are connected with the input end of the sewage pipe 406 through an adapter, the.
One side of the collecting tank 403 is provided with an intercepting component 5;
the intercepting component 5 comprises a trash discharging port 501, a sealing arc plate 502, an observation window 503, a coarse intercepting net 504, a fine intercepting net 505, an arc-shaped cleaning plate 506 and a pulling rod 507;
The bottom of the two ends of the crystallizer matrix 1 is provided with a vent hole 6, an impurity intercepting net 7 is embedded in the inner side of the vent hole 6, and heat-preservation cotton 8 is sleeved outside the concentration pipe 204, the first exhaust pipe 206, the first outlet pipe 213 and the second inlet pipe 215.
The working principle and the using process of the invention are as follows: before heat energy needs to be recovered, the water outlet limiting valve 216 is opened, the water inlet pump 212 is started, water is discharged into the second recovery tank 207 from the first water inlet pipe 211 through the water inlet pump 212, after the water in the second recovery tank 207 is completely filled, the water flows out along the first water outlet pipe 213, the booster water pump 214 is started, the water is discharged into the first recovery tank 205 through the second water inlet pipe 215 through the booster water pump 214, and after the water in the first recovery tank 205 is completely filled
Starting the exhaust fan 202, discharging hot steam from the crystallizer by the exhaust fan 202, discharging the hot steam into the concentration pipe 204 along the exhaust pipe 203, then discharging the hot steam into the first recovery tank 205 along the concentration pipe 204, reducing the speed of the hot steam in the speed reducing cylinder 208 in the first recovery tank 205, contacting with the heat conducting plate 209, exchanging heat with water through the heat conducting plate 209 and the speed reducing cylinder 208, continuously flowing the hot steam along the speed reducing cylinder 208, discharging the hot steam into the second recovery tank 207 through the first exhaust pipe 206, further reducing the speed of the hot steam in the speed reducing cylinder 208 in the second recovery tank 207, and exchanging heat with water through the heat conducting plate 209 and the speed reducing cylinder 208, thereby effectively ensuring the heat exchange time and efficiency;
during heat exchange, the outer cleaning electric push rod 301 and the inner cleaning electric push rod 305 are started, the outer cleaning electric push rod 301 drives the cleaning annular plate 302 to move along the direction of the speed reducing cylinder 208, so that the surfaces of the tank body, the speed reducing cylinder 208 and the heat conducting plate 209 are cleaned, the inner cleaning electric push rod 305 drives the cleaning circular plate 306 to move along the direction of the speed reducing cylinder 208, so that the surfaces of the speed reducing cylinder 208 and the heat conducting plate 209 are cleaned, and the heat conducting effective area and the heat exchange effect are ensured;
when the interior of the tank body needs to be cleaned regularly, the overflow limiting valve 311 is opened, the water outlet limiting valve 216 is closed, the outer cleaning electric push rod 301 and the inner cleaning electric push rod 305 are started, the cleaning ring plate 302 and the cleaning circular plate 306 are cleaned, meanwhile, the interior of the first recovery tank 205 and the interior of the second recovery tank 207 are washed by water entering through the cleaning water inlet pipe 310, after the washing is carried out for a period of time, the discharge limiting valve 313 is opened, water flow is discharged into the sewage discharge pipe 406 along the cleaning water outlet pipe 312, impurities are intercepted through the intercepting box 309 during cleaning, the impurities are prevented from entering the second water inlet pipe 215, and therefore the second water inlet pipe 215 is prevented from being blocked by the impurities;
after the sewage enters the sewage discharge pipe 406, the sewage flows into the collecting tank 403 along the sewage discharge pipe 406, in the collecting tank 403, water flows through the coarse interception net 504 and the fine interception net 505, impurities contained in the water are filtered and intercepted under the interception action of the coarse interception net 504 and the fine interception net 505, the impurities are prevented from falling to the bottom of the tank body, and therefore the impurities are prevented from being circulated and reflowed into the first recovery tank 205 and the second recovery tank 207 again, and scale impurities are effectively removed;
after impurities on the coarse intercepting net 504 and the fine intercepting net 505 are accumulated to a certain degree, the sealing arc plate 502 is opened, the pulling rod 507 is moved, the pulling rod 507 drives the arc-shaped cleaning plate 506 to move, so that the impurities are pulled out from the impurities on the surfaces of the coarse intercepting net 504 and the fine intercepting net 505, and the intercepting nets are conveniently recycled;
after heat exchange of the hot steam in the first recovery tank 205 and the second recovery tank 207 is completed, condensed water generated by condensation flows into the first exhaust pipe 206 along the surface of the reduction cylinder 208, then is discharged into the third recovery pipe 401 along the first exhaust pipe 206, and finally flows into the collection tank 403, so that the recovery of the condensed water is completed, and the effect of heat exchange influenced by long-term storage of the condensed water in the recovery tank and the exhaust pipe is avoided;
guarantee the inside normal ventilation of crystallizer through ventilation hole 6 to guarantee that the inside atmospheric pressure of crystallizer is stable, intercept outside impurity through impurity interception net 7 simultaneously, thereby avoid the impurity to the fashioned influence of steel, keep warm through the cotton 8 pair pipeline that keeps warm, thereby reduce scattering and disappearing of heat energy, guaranteed the utilization efficiency of heat energy, be convenient for observe the impurity of intercepting inside collection tank 403 through observation window 503.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement 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 utility model provides a high-efficient type waste heat recovery system for steelmaking continuous casting, includes crystallizer base member (1), its characterized in that: a heat recovery assembly (2) is arranged on one side of the crystallizer matrix (1);
the heat recovery assembly (2) comprises an exhaust hole (201), an exhaust fan (202), an exhaust pipe (203), a concentration pipe (204), a first recovery tank (205), a first exhaust pipe (206), a second recovery tank (207), a speed reduction cylinder (208), a heat conduction plate (209), a heat conduction groove (210), a first water inlet pipe (211), a water inlet pump (212), a first water outlet pipe (213), a booster pump (214), a second water inlet pipe (215) and a water outlet limiting valve (216);
the crystallizer base body (1) is provided with a plurality of exhaust holes (201) at the top end in an equal distance mode, an exhaust fan (202) is embedded into the inner side of each exhaust hole (201), exhaust pipes (203) are welded and installed at positions, corresponding to the exhaust holes (201), of the top end of the crystallizer base body (1), one ends of the plurality of exhaust pipes (203) are connected with one end of a concentration pipe (204) through adapters, and the other end of the concentration pipe (204) penetrates through the middle of the top end of a first recovery tank (205);
a first exhaust pipe (206) is installed in the middle of the bottom end of the first recovery tank (205) in a penetrating mode, one end of the first exhaust pipe (206) is installed in the middle of the bottom end of the second recovery tank (207) in a penetrating mode, speed reduction cylinders (208) are welded at the bottom ends of the interiors of the first recovery tank (205) and the second recovery tank (207), a plurality of heat conduction plates (209) are installed in one end of each speed reduction cylinder (208) in a penetrating mode at equal intervals, and a plurality of heat conduction grooves (210) are formed in the top ends of the heat conduction plates (;
a first water inlet pipe (211) penetrates through one side of the bottom end of the second recovery tank (207), one end of the first water inlet pipe (211) is connected with a water inlet pump (212) through a joint, a first water outlet pipe (213) penetrates through one side of the top end of the second recovery tank (207), the output end of the first water outlet pipe (213) is connected with the water inlet end of the booster water pump (214) through an adapter, the water outlet end of the booster water pump (214) is connected with the input end of the second water inlet pipe (215) through a joint, the output end of the second water inlet pipe (215) is arranged on one side of the bottom end of the first recovery tank (205) in a penetrating way, one sides of the first water inlet pipe (211) and the second water inlet pipe (215) are embedded with water outlet limiting valves (216), the input ends of the exhaust fan (202), the water inlet pump (212) and the booster pump (214) are electrically connected with the output end of an external power supply.
2. The system of claim 1, wherein the length of the deceleration cylinder (208) is equal to the length of the inner sides of the first recovery tank (205) and the second recovery tank (207), the inner diameter of the deceleration cylinder (208) is larger than the inner diameter of the collecting pipe (204), and the inner diameter of the first exhaust pipe (206) is equal to the inner diameter of the collecting pipe (204).
3. The system for recovering the waste heat in the steelmaking continuous casting process as claimed in claim 2, wherein the inner diameter of the first water inlet pipe (211) is equal to the inner diameter of the first water outlet pipe (213), and an air outlet pipe is installed on one side of the top end of the second recovery tank (207) in a penetrating manner.
4. The high-efficiency waste heat recovery system for continuous steel making casting according to claim 3, wherein the descaling assembly (3) is installed on one side of the first recovery tank (205) and the second recovery tank (207);
the scale cleaning assembly (3) comprises an outer cleaning electric push rod (301), a cleaning ring plate (302), a cleaning hole (303), a water drainage hole (304), an inner cleaning electric push rod (305), a cleaning circular plate (306), a cleaning port (307), an air outlet hole (308), an intercepting box (309), a cleaning water inlet pipe (310), an overflow limiting valve (311), a cleaning water outlet pipe (312) and a discharge limiting valve (313);
the first recovery tank (205) and the second recovery tank (207) are symmetrically provided with an outer cleaning electric push rod (301) at one side of the top end in a penetrating manner, a cleaning annular plate (302) is arranged at the bottom end of the outer cleaning electric push rod (301), a cleaning hole (303) is formed at the position of the cleaning annular plate (302) corresponding to the heat conducting plate (209), a plurality of drain holes (304) are formed at the top end of the cleaning annular plate (302) at equal intervals, an inner cleaning electric push rod (305) is symmetrically arranged at the middle parts of the top ends of the first recovery tank (205) and the second recovery tank (207) in a penetrating manner, a cleaning circular plate (306) is arranged at the bottom end of the inner cleaning electric push rod (305), the cleaning circular plate (306) is slidably arranged at the inner side of the speed reducing cylinder (208), a cleaning opening (307) is formed at the position of the cleaning circular plate (306, first recovery jar (205) bottom corresponds second inlet tube (215) top position department embedding and installs interception box (309), first recovery jar (205) and second recovery jar (207) top one side all runs through to install clean inlet tube (310), clean inlet tube (310) one side embedding is installed and is spilled over limiting valve (311), first recovery jar (205) and second recovery jar (207) bottom one side all run through to install clean outlet pipe (312), clean outlet pipe (312) one side embedding is installed and is discharged limiting valve (313), outer clean electric putter (301) and interior clean electric putter (305) input and external power source output electric connection.
5. The system of claim 4, wherein the inner diameter of the cleaning ring plate (302) is equal to the outer diameter of the speed reducing cylinder (208), and the diameter of the cleaning circular plate (306) is equal to the inner diameter of the speed reducing cylinder (208).
6. The high-efficiency waste heat recovery system for continuous steel making according to claim 1, wherein a collecting assembly (4) is installed at one side of the first exhaust pipe (206);
the collecting assembly (4) comprises a third recovery pipe (401), a flow limiting hopper (402), a collecting tank (403), a water pumping pipe (404), a limiting pipe (405), a sewage draining pipe (406) and a water draining pipe (407);
first exhaust pipe (206) bottom is connected with third recovery tube (401) input through the adapter, limited current fill (402) of third recovery tube (401) inboard embedding installation, third recovery tube (401) output runs through to be installed in accumulator (403) top middle part, accumulator (403) top is run through to install drinking-water pipe (404), drinking-water pipe (404) output is connected with booster pump (214) input through the adapter, accumulator (403) one side top is run through to install spacing pipe (405), two clean outlet pipe (312) output all is connected with blow off pipe (406) input through the adapter, blow off pipe (406) output runs through to be installed in accumulator (403) top one side, accumulator (403) one side bottom is run through to install drain (407).
7. The high-efficiency waste heat recovery system for steelmaking continuous casting as claimed in claim 6, wherein the inner diameter of the sewage discharge pipe (406) is larger than that of the clean water outlet pipe (312), and the inner diameter of the limiting pipe (405) is larger than that of the third recovery pipe (401).
8. The high-efficiency waste heat recovery system for continuous steel making according to claim 6, wherein the collecting tank (403) is provided with an intercepting component (5) at one side;
the intercepting component (5) comprises a trash discharging port (501), a sealing arc plate (502), an observation window (503), a coarse intercepting net (504), a fine intercepting net (505), an arc-shaped cleaning plate (506) and a pulling rod (507);
trash discharge port (501) have been seted up on catchment tank (403) one side top, catchment tank (403) correspond trash discharge port (501) position department and articulate and install sealed arc board (502), catchment tank (403) one side is close to sealed arc board (502) position department embedding and installs observation window (503), catchment tank (403) inboard is close to top position department embedding and installs thick interception net (504), catchment tank (403) inboard middle part is close to thick interception net (504) position department embedding and installs thin interception net (505), thin interception net (505) top slidable mounting has arc cleaning plate (506), arc cleaning plate (506) one end middle part fixed mounting has pulling rod (507).
9. The system for recovering the waste heat of the steelmaking continuous casting device as claimed in claim 8, wherein the length and the width of the sealing arc plate (502) are respectively equal to those of the impurity discharging port (501), and the top end of the arc cleaning plate (506) is slidably mounted at the bottom end of the coarse interception net (504).
10. The efficient waste heat recovery system for steelmaking continuous casting according to claim 1, wherein vent holes (6) are formed in the bottoms of the two ends of the crystallizer base body (1), impurity blocking nets (7) are embedded in the inner sides of the vent holes (6), and heat insulation cotton (8) is sleeved on the outer sides of the concentration pipe (204), the first exhaust pipe (206), the first water outlet pipe (213) and the second water inlet pipe (215).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010919150.8A CN112013704B (en) | 2020-09-04 | 2020-09-04 | A high-efficient type waste heat recovery system for steelmaking continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010919150.8A CN112013704B (en) | 2020-09-04 | 2020-09-04 | A high-efficient type waste heat recovery system for steelmaking continuous casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112013704A true CN112013704A (en) | 2020-12-01 |
| CN112013704B CN112013704B (en) | 2022-06-07 |
Family
ID=73515789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010919150.8A Active CN112013704B (en) | 2020-09-04 | 2020-09-04 | A high-efficient type waste heat recovery system for steelmaking continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112013704B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206496679U (en) * | 2016-12-13 | 2017-09-15 | 江苏中科智储科技有限公司 | A kind of high-temperature flue gas fuse salt phase-change heat-exchanger |
| KR101842713B1 (en) * | 2017-11-16 | 2018-03-28 | 주식회사 동광보일러 | Waste heat recovery apparatus of steam boiler |
| CN207556349U (en) * | 2017-11-27 | 2018-06-29 | 大冶海通热工技术有限公司 | A kind of heat exchanger with descaling function |
| CN207871837U (en) * | 2018-01-19 | 2018-09-18 | 梧州市中水新能源科技有限公司 | A kind of garbage loading embeading biogas level-one horizontal type cooler |
| CN208603902U (en) * | 2018-07-13 | 2019-03-15 | 张利贞 | A kind of pig breeding farm liquid waste treating apparatus |
| CN208622893U (en) * | 2018-07-10 | 2019-03-19 | 江西源丰有色金属有限公司 | Acid liquor recycling system of lead-acid storage battery polar plate formation workshop |
| CN111207597A (en) * | 2019-12-04 | 2020-05-29 | 南京海晨霞工程科技有限公司 | Ferronickel smelting furnace flue gas waste heat recovery device |
| CN210980911U (en) * | 2019-11-30 | 2020-07-10 | 青岛永泰锅炉有限公司 | Boiler multi-row waste heat recovery device |
-
2020
- 2020-09-04 CN CN202010919150.8A patent/CN112013704B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206496679U (en) * | 2016-12-13 | 2017-09-15 | 江苏中科智储科技有限公司 | A kind of high-temperature flue gas fuse salt phase-change heat-exchanger |
| KR101842713B1 (en) * | 2017-11-16 | 2018-03-28 | 주식회사 동광보일러 | Waste heat recovery apparatus of steam boiler |
| CN207556349U (en) * | 2017-11-27 | 2018-06-29 | 大冶海通热工技术有限公司 | A kind of heat exchanger with descaling function |
| CN207871837U (en) * | 2018-01-19 | 2018-09-18 | 梧州市中水新能源科技有限公司 | A kind of garbage loading embeading biogas level-one horizontal type cooler |
| CN208622893U (en) * | 2018-07-10 | 2019-03-19 | 江西源丰有色金属有限公司 | Acid liquor recycling system of lead-acid storage battery polar plate formation workshop |
| CN208603902U (en) * | 2018-07-13 | 2019-03-15 | 张利贞 | A kind of pig breeding farm liquid waste treating apparatus |
| CN210980911U (en) * | 2019-11-30 | 2020-07-10 | 青岛永泰锅炉有限公司 | Boiler multi-row waste heat recovery device |
| CN111207597A (en) * | 2019-12-04 | 2020-05-29 | 南京海晨霞工程科技有限公司 | Ferronickel smelting furnace flue gas waste heat recovery device |
Non-Patent Citations (3)
| Title |
|---|
| 斯派莎克工程（中国）有限公司: "《蒸汽和冷凝水***手册》", 31 January 2007, 上海科学技术文献出版社 * |
| 王淑波等: "《化工原理》", 31 January 2019, 华中科技大学出版社 * |
| 谷兆祺: "《中国水资源、水利、水处理与防洪全书 中》", 31 December 1999, 中国环境科学出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112013704B (en) | 2022-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111542208A (en) | Circulating air-draft type dust removal and heat dissipation device for electromechanical equipment | |
| CN112013704B (en) | A high-efficient type waste heat recovery system for steelmaking continuous casting | |
| CN209261664U (en) | A kind of centrifugal automobile air inlet processing unit | |
| CN216359308U (en) | Closed quick cooling device for cast member | |
| CN110106476A (en) | A kind of water cooling is air-cooled to combine formula vacuum coating equipment | |
| CN209687845U (en) | A kind of tunneling machine hydraulic system cleaning device | |
| CN216132311U (en) | Self-adjusting air-eliminating type shockproof inner connecting pipe structure | |
| CN210570079U (en) | Furnace body cooling tower convenient for heat energy recovery | |
| CN211527151U (en) | Glass fiber reinforced plastic cooling tower with water-saving function | |
| CN211425133U (en) | Energy-saving structure for industrial equipment | |
| CN208998579U (en) | A kind of Steam Turbine Integral Condenser | |
| CN209550514U (en) | A kind of air-cooled water-cooling double-purpose casting sand cooling device | |
| CN201439515U (en) | Dry quenching water-cooling sleeve cooler | |
| CN215637724U (en) | Workshop cooling system for plastic woven enterprise | |
| CN218478774U (en) | Waste heat heating device for slag-water heat exchange station | |
| CN110774500A (en) | Condensing equipment and condensing method in plastic production process | |
| CN214700784U (en) | Air heater system at inlet of blast channel | |
| CN213841410U (en) | V-shaped all-in-one machine condenser | |
| CN218608109U (en) | Production tail gas recovery device for 2-acrylamido-2-methylpropanesulfonic acid | |
| CN216898510U (en) | Heat exchange device for industrial pipeline | |
| CN219244313U (en) | Cooling tower capable of automatically removing scale | |
| CN217179328U (en) | Closed cooling tower convenient to clearance | |
| CN217929876U (en) | Device for preventing power plant circulating water from being cut off | |
| CN213088232U (en) | Water circulation type vacuum pump | |
| CN215217285U (en) | Chemical heat exchanger for chemical production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |