CN114383380A - Side cooling device and method for hot air piping system compensator and improvement method - Google Patents
Side cooling device and method for hot air piping system compensator and improvement method Download PDFInfo
- Publication number
- CN114383380A CN114383380A CN202210021815.2A CN202210021815A CN114383380A CN 114383380 A CN114383380 A CN 114383380A CN 202210021815 A CN202210021815 A CN 202210021815A CN 114383380 A CN114383380 A CN 114383380A
- Authority
- CN
- China
- Prior art keywords
- compensator
- pipe
- hot blast
- hot air
- hot
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000006872 improvement Effects 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000005507 spraying Methods 0.000 claims abstract description 35
- 239000007921 spray Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 11
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 4
- 238000002715 modification method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000003860 storage Methods 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- 239000011449 brick Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009689 gas atomisation Methods 0.000 description 4
- 238000009692 water atomization Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000003211 malignant effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B9/00—Stoves for heating the blast in blast furnaces
- C21B9/10—Other details, e.g. blast mains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Abstract
The invention relates to the technical field of pipeline facilities, and particularly discloses a side cooling device of a hot air piping system compensator, a cooling method and an improvement method. The device is used for cooling the side of a hot air piping system compensator, the side of the hot air piping system compensator comprises a compensator and two pipeline main bodies which are respectively communicated with two ends of the compensator, and the hot air piping system compensator comprises a spraying network pipe, a temperature measuring assembly used for measuring the temperature of the outer surface of the side of the hot air piping system compensator, an air supply assembly used for conveying air to the spraying network pipe and a water supply assembly used for conveying water to the spraying network pipe; the spraying network pipe is arranged above the hot air pipe system compensator side and used for spraying water and/or air to the compensator and one end, close to the compensator, of the pipeline main body. The device can be used for cooling the hot air piping system compensator side in a mode of spraying water and/or air to the hot air piping system compensator side, so that the efficiency and effect of the cooling operation are improved.
Description
Technical Field
The invention relates to the technical field of pipeline facilities, in particular to a side cooling device of a hot air piping system compensator, a cooling method and an improvement method.
Background
In the prior art, a compensator is usually disposed on the hot air duct system, and the main purpose of the compensator is to absorb various stresses during air supply of the hot air duct system. However, the compensator is the weakest structure of the whole hot blast pipe system, and the temperature override standard problem often occurs at the connecting part of the two sides of the compensator and the refractory material. If the temperature of the blast furnace is not processed, the temperature exceeds the bearing range of the compensator, the compensator can be burnt through, and the blast furnace can be subjected to serious accidents such as unplanned damping down. Similarly, the increased latitude of the compensator also causes the surface temperature of the main pipeline body connected with the compensator to be high, so that the main pipeline body is easy to generate red and cracking phenomena, and the smooth production of the blast furnace is directly influenced.
The traditional treatment method is to perform direct grouting filling operation on the compensator or the vicinity thereof, however, the above operation effect is difficult to achieve, and the grouting material is easy to fill the compensator, so that the performance of the compensator is invalid, and grouting operation is not paid.
Disclosure of Invention
The invention aims to provide a side cooling device of a hot air piping system compensator, a cooling method and an improvement method, which aim to solve the problem that the compensator and a pipeline main body connected with the compensator are difficult to cool.
In order to achieve the purpose, the invention adopts the following technical scheme:
a side cooling device of a hot air piping system compensator is used for cooling the side of the hot air piping system compensator, wherein the side of the hot air piping system compensator comprises a compensator and two pipeline main bodies which are respectively communicated with two ends of the compensator, and the side cooling device comprises a spraying network pipe, an air supply assembly, a water supply assembly and a temperature measurement assembly; the spray net pipe is arranged above the hot air pipe system compensator side and is used for spraying water and/or air to the compensator and one end, close to the compensator, of the pipeline main body; the air supply assembly is used for conveying air to the spraying net pipe; the water supply assembly is used for conveying water to the spraying network pipe; the temperature measurement assembly is used to measure the outside surface temperature of the hot blast tubing compensator side.
Wherein, one side of the spraying net pipe close to the compensator is provided with a plurality of spraying holes for spraying water and/or air.
Preferably, the gas supply assembly is communicated with the spray net pipe through a gas supply pipeline, and the gas supply pipeline is further provided with a gas supply valve for communicating/disconnecting the spray net pipe and the gas supply assembly.
Furthermore, a pressure gauge for measuring the pressure in the pipeline and a flow meter for measuring the flow in the pipeline are arranged on the gas supply pipeline.
Preferably, the water supply assembly is communicated with the spray net pipe through a water supply pipeline; and the water supply pipeline is also provided with a water supply valve for communicating/disconnecting the spray net pipe and the water supply assembly.
Furthermore, a pressure gauge for measuring the pressure in the pipeline and a flow meter for measuring the flow in the pipeline are arranged on the water supply pipeline.
Preferably, the projection of the spray net pipe in the direction perpendicular to the extending direction of the compensator is arc-shaped and coaxial with the compensator.
Preferably, the compensator and the lower part of the pipeline main body close to one end of the compensator are provided with a storage groove, the storage groove is used for storing water which is sprayed to one end of the compensator and the pipeline main body close to the compensator, and the bottom end of the storage groove is communicated with a drain pipe.
A side cooling method of a hot air pipe system compensator is applied to the side of the hot air pipe system compensator and the side cooling device of the hot air pipe system compensator, and comprises the following steps:
measuring the outside surface temperature of the hot blast tubing compensator side;
when the outer surface temperature is within a first threshold range, the hot air piping system compensator side cooling device does not perform purging; when the outer surface temperature is within a second threshold range, the hot blast tubing compensator side cooling device blows air to the hot blast tubing compensator side; when the outer surface temperature is within a third threshold range, the hot blast tubing compensator side attemperation device sweeps water and air toward the hot blast tubing compensator side; when the outer surface temperature is within a fourth threshold range, the hot blast tubing compensator side cooling device sweeps water towards the hot blast tubing compensator side.
A hot air pipe system compensator side improving method is applied to the hot air pipe system compensator side and the hot air pipe system compensator side cooling device, and comprises the following steps:
when the hot air pipe system compensator side stops working, judging whether the outer surface temperature is in a fifth threshold range, when a first high-temperature area with the surface temperature in the fifth threshold range is arranged on the hot air pipe system compensator side, arranging a grouting pipe communicated with the first high-temperature area on the pipeline main body, and grouting into the first high-temperature area through the grouting pipe; and judging whether the outer surface temperature is within a sixth threshold range, when a second high-temperature area with the surface temperature within the sixth threshold range is arranged on the hot air piping system compensator side, arranging a pouring groove in the second high-temperature area, filling pouring materials into the pouring groove to enable the pouring materials to form a pouring layer, and grouting the pouring layer into the pouring layer through the grouting pipe.
The invention has the beneficial effects that:
by means of the arrangement of the side cooling device of the hot air pipe system compensator, an operator can perform compressed air purging and/or water and gas atomization cooling on the outer sides of the compensator and the pipeline main body in a mode of spraying water and/or air to one end, close to the compensator, of the compensator and the pipeline main body, and the temperature of gas on the inner sides of the compensator and the pipeline main body can be effectively reduced. The cooling operation efficiency and effect of the hot air piping system compensator side are improved, the smooth air supply work of the hot air piping system compensator side can be ensured, the occurrence of unplanned damping down accidents of the blast furnace is avoided, and the malignant influence caused by penetration and leakage of the compensator is avoided.
By utilizing the side cooling method of the hot air pipe system compensator, the side cooling device of the hot air pipe system compensator can automatically adopt different processing methods according to the current temperature, so that the structure and the performance of the pipeline main body and the compensator are not influenced, and the influence on the production caused by high temperature is effectively processed.
The hot air piping system compensator side improving method facilitates grouting operation on the first high-temperature area by means of the grouting pipe, grouting effect and working efficiency are guaranteed, and by means of the pouring layer, an operator can control the temperature of the outer side of the pipeline main body in a grouting mode in the pouring layer, so that cooling operation on the second high-temperature area can be completed.
Drawings
FIG. 1 is a schematic structural view of a hot air piping system compensator side cooling device and a hot air piping system compensator side provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a side cooling device of a hot air piping system compensator according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for cooling a hot air piping compensator side according to an embodiment of the present invention;
fig. 4 is a flow chart of a method for improving the hot air piping compensator side according to an embodiment of the present invention.
In the figure:
100. a pipe body; 110. a compensator; 111. a compensator flange; 120. pouring a cover body; 121. a mud jacking pipe;
200. a hot air piping compensator side cooling device; 210. spraying a network management; 220. a gas supply duct; 230. a water supply pipeline; 240. a pressure gauge; 250. a flow meter;
300. a receiving groove; 310. and a water discharge pipe.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 and fig. 2, the present embodiment provides a hot air piping system compensator side cooling device 200 for cooling a hot air piping system compensator side, where the hot air piping system compensator side includes a compensator 110 and two pipeline main bodies 100 respectively communicated with two ends of the compensator 110, and includes a spray network pipe 210, an air supply assembly, a water supply assembly and a temperature measurement assembly; the spray net pipe 210 is arranged above the hot air pipe system compensator side, and the spray net pipe 210 is used for spraying water and/or air to the compensator 110 and one end of the pipeline main body 100 close to the compensator 110; the air supply assembly is used for delivering air to the spray net pipe 210; the water supply assembly is used for delivering water to the spray network pipe 210; the temperature measurement assembly is used for measuring the temperature of the outer surface of the hot air piping system compensator side. By means of the arrangement of the hot air pipe system compensator side cooling device 200, an operator can perform compressed air purging and/or water and gas atomization cooling on the outer sides of the compensator 110 and the pipeline main body 100 in a mode of spraying water and/or air to one end, close to the compensator 110, of the compensator 110 and the pipeline main body 100, and can effectively reduce the temperature of gas on the inner sides of the compensator 110 and the pipeline main body 100. The arrangement improves the efficiency and effect of the cooling operation of the hot air pipe system compensator side, can ensure that the hot air pipe system compensator side completes air supply work smoothly, avoids the occurrence of unplanned damping down accidents of the blast furnace, and avoids the malignant influence caused by leakage penetration of the compensator 110.
As shown in fig. 2, a side of the spray mesh pipe 210 close to the compensator 110 is opened with a plurality of spray holes for spraying water and/or air. The hot air piping system compensator side cooling device 200 integrates functions of compressed air blowing, water and gas atomization cooling and full-coverage water spraying cooling, different cooling modes of the compensator 110 and the pipeline main body 100 in different temperature ranges can be effectively achieved, meanwhile, the manufacturing cost of the hot air piping system compensator side cooling device 200 is low, the operation is simple and convenient, and the effect is obvious.
Specifically, the material of the spray net pipe 210 is Q235 steel, the whole structure is in a grid shape, the interval between the spray net pipe 210 and the spray net pipe is 30-50mm in the transverse direction and the longitudinal direction, and the spray net pipe 210 can bear the pressure of 0-2.0 Mpa; the diameter range of the spraying holes is 1-3mm, and the spraying holes can mix water and air in the spraying net pipe 210 and then spray the mixture in an atomized manner.
Further, the air supply assembly is communicated with the spray net pipe 210 through an air supply pipeline 220, and the water supply assembly is communicated with the spray net pipe 210 through a water supply pipeline 230; the air supply pipeline 220 is further provided with an air supply valve for connecting/disconnecting the spray mesh pipe 210 and the air supply assembly, and the water supply pipeline 230 is further provided with a water supply valve for connecting/disconnecting the spray mesh pipe 210 and the water supply assembly. By opening or closing the air supply valve and the water supply valve, different cooling methods can be performed for the compensator 110 and the duct body 100.
Still further, the air supply pipe 220 and the water supply pipe 230 are each provided with a pressure gauge 240 for measuring pressure and a flow meter 250 for measuring flow rate. Specifically, the pressure gauge 240 and the flow meter 250 on the gas supply pipeline 220 are both in communication connection with a gas supply pipeline control unit, and the gas supply pipeline control unit can adjust the pressure and the flow of the gas delivered by the gas supply assembly according to the measured values; the water supply pipe 230 is further provided with a thermometer for detecting temperature, the pressure gauge 240 and the flow meter 250 which are positioned on the water supply pipe 230 are both in communication connection with the water supply pipe control unit, and the water supply pipe control unit can adjust the pressure, temperature and flow of the water delivered by the water supply assembly according to the measured values. Through the arrangement, the adjustment of factors such as water and gas pressure and flow sprayed by the hot air piping system compensator side cooling device 200 is facilitated, and the spraying cooling effect of the hot air piping system compensator side cooling device 200 is further ensured. In this embodiment, the minimum pressure threshold in the supply conduit 220 is between 0.8 and 1.0MPa and the minimum pressure threshold in the supply conduit 230 is between 0.6 and 1.6 MPa.
Preferably, the projection of the spray mesh tube 210 in the extending direction of the vertical compensator 110 is arc-shaped and coaxial with the compensator 110. Specifically, the projection angle of the spray network pipe 210 is 120 °, and the distance between the spray network pipe 210 and the outer side of the compensator 110 is 30-50 mm. By means of the arrangement, the spraying effect of the spraying network management 210 on the compensator 110 and the pipeline main body 100 is effectively guaranteed, and meanwhile the situation that the spraying network management 210 is damaged due to overheating is avoided.
With continued reference to fig. 1, a receiving groove 300 is formed below the compensator 110 and the end of the pipe body 100 close to the compensator 110, and the receiving groove 300 is used for receiving water sprayed to the compensator 110 and the end of the pipe body 100 close to the compensator 110. The arrangement of the storage tank 300 facilitates the recovery of water sprayed on the compensator 110 and the outside of the pipeline main body 100, and ensures the neatness of the working environment of the hot air piping system compensator side cooling device 200.
Further, a drain pipe 310 is connected to the bottom end of the storage tank 300. The arrangement of the drain pipe 310 facilitates the recovery processing of the water collected in the storage tank 300, and improves the storage capacity of the storage tank 300.
As shown in fig. 3, the present embodiment further provides a method for cooling the side of the hot air pipe system compensator, which is applied to the side of the hot air pipe system compensator and the above-mentioned cooling device 200 of the side of the hot air pipe system compensator, and comprises the following steps: measuring the temperature of the outer surface of the hot air piping system compensator side; when the outer surface temperature is within the first threshold range, the hot blast tubing compensator side attemperation apparatus 200 is not purged; when the outer surface temperature is within the second threshold range, the hot air piping compensator side cooling device 200 blows air to the hot air piping compensator side; when the outer surface temperature is within the third threshold range, the hot air piping compensator side temperature reduction device 200 blows water and air to the hot air piping compensator side; when the outer surface temperature is within the fourth threshold range, the hot blast tubing compensator side temperature reduction device 200 blows water to the hot blast tubing compensator side. By using the method, the hot air pipe system compensator side cooling device 200 can automatically adopt different processing methods according to the current temperature, so that the structure and the performance of the pipeline main body 100 and the compensator 110 are not influenced, and the influence on the production caused by high temperature is effectively processed. Specifically, the first threshold range is 200 ℃ or lower, the second threshold range is 200-.
Preferably, the hot air piping system compensator side cooling device 200 further comprises a control assembly, and the control assembly is in communication connection with the water supply valve, the air supply valve and the temperature detection assembly respectively. The arrangement enables the hot air pipe system compensator side cooling method to be automatically completed through the control assembly, the content greatly reduces the reaction time of cooling operation, reduces the workload of operators, and improves the cooling efficiency of the hot air pipe system compensator side cooling device 200. Specifically, when the temperature of the compensator 110 is 200-; when the temperature is 300-350 ℃, the water supply valve is opened, and compressed air and cooling water are simultaneously conveyed to carry out water and gas atomization cooling; when the temperature rises to above 350 ℃, the air supply valve is closed, and the temperature of the spraying water is reduced.
Specifically, after the full-coverage water spraying is carried out on the high-temperature area of the pipeline, the water is strictly stopped midway before the blast furnace stops working, otherwise, the danger of leakage of the hot blast pipe system can be generated.
As shown in fig. 4, the present embodiment further provides a hot air pipe system compensator side modification method, which is applied to the hot air pipe system compensator side and the above-mentioned hot air pipe system compensator side cooling device 200, and comprises the following steps: after the hot air pipe system compensator side stops working, judging whether the outer surface temperature is in a fifth threshold range, when the hot air pipe system compensator side has a first high-temperature area with the surface temperature in the fifth threshold range, arranging a grouting pipe 121 communicated with the first high-temperature area on the pipeline main body 100, and grouting into the first high-temperature area through the grouting pipe 121; and judging whether the outer surface temperature is within a sixth threshold range, when a second high-temperature area with the surface temperature within the sixth threshold range is arranged on the hot air piping system compensator side, arranging a pouring groove in the second high-temperature area, filling pouring materials into the pouring groove to enable the pouring materials to form a pouring layer, and grouting the pouring layer into the pouring layer through a grouting pipe 121. Specifically, the compensator 110 includes two compensator flanges 111 at two ends, and the pipeline body 100 communicated with the compensator 110 is fixedly connected to each of the two compensator flanges 111. The setting with the help of mudjacking pipe 121 has made things convenient for and has carried out the mud jacking operation to first high temperature district, mudjacking effect and work efficiency have been guaranteed, with the help of the setting of pouring the layer, make operating personnel can be through the temperature to the mode control pipeline main part 100 outside of pouring the internal mudjacking of layer, thereby can accomplish the cooling operation to the second high temperature district, the aforesaid is improved and has been guaranteed to accurately and high-efficiently carry out the cooling operation to first high temperature district or second high temperature district in the subsequent mud jacking operation process of hot-blast piping system compensator side, thereby reduced the risk that hot-blast piping compensator side suffered the damage because of high temperature, the life of hot-blast piping compensator side has been prolonged, the smooth of blast furnace production has been ensured.
Preferably, the casting groove is arranged near the high-temperature position of the pipeline main body 100 and is at least 100-200mm away from the compensator flange 111, the casting groove penetrates through the spraying layer, the fiber layer and the insulating brick layer of the pipeline main body 100 until the upper surface of the heavy brick of the working layer, and the casting material is high-alumina pipeline press feed material. And when the pressure rises when the grouting equipment is poured, stopping grouting. The arrangement of the pouring grooves improves the cooling effect of the pouring layer, and further ensures that the pipeline main body 100 cannot crack and break, so that the service life of the hot air piping system compensator side is prolonged.
Further, a pouring cover body 120 is further covered on the pipeline main body 100, and the pouring cover body 120 seals the pouring groove. The cover body 120 is poured to seal the pouring layer in the pouring groove, so that the condition that the effect of grouting operation in the pouring layer is reduced due to accidents is avoided, and the smooth operation of cooling operation is ensured. Specifically, the grouting pipe 121 penetrates the casting cover 120 and extends into the casting layer.
Preferably, the refractory material in the open hole part is cleaned to the heavy brick of the working layer in the side direction of the compensator. If the temperature is too high due to too large air channeling of the gaps of heavy bricks on the working layer, filling the gaps with high-temperature ceramic fibers, then performing casting treatment by using ceramic casting materials, and then performing slurry pressing and filling after the steel shell is recovered; if the heavy bricks on the working layer collapse, a pouring module is firstly manufactured and then pouring treatment is carried out.
In this embodiment, the control module, the air supply pipeline control unit, the water supply pipeline control unit, the pressure gauge 240 and the flow meter 250 are conventional devices in the art, and the specific structure and the working principle thereof are not described herein again, and the principle that a plurality of different control modules control each component to work is conventional in the art, and the specific working principle thereof is not described herein again.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a hot-blast piping compensator side cooling device for cool down hot-blast piping compensator side, hot-blast piping compensator side include compensator (110) and respectively with two pipeline main parts (100) of compensator (110) both ends intercommunication, its characterized in that includes:
the spraying network pipe (210) is arranged above the hot air pipe system compensator side, and the spraying network pipe (210) is used for spraying water and/or air to the compensator (110) and one end, close to the compensator (110), of the pipeline main body (100);
the air supply assembly is used for conveying air to the spraying net pipe (210);
a water supply assembly for delivering water to the spray network pipe (210);
a temperature measurement assembly for measuring an outer surface temperature of the hot blast tubing compensator side.
2. The hot blast pipe system compensator side cooling device according to claim 1, wherein a side of the spray mesh pipe (210) near the compensator (110) is opened with a plurality of spray holes for spraying water and/or air.
3. The hot blast pipe system compensator side cooling device according to claim 1, wherein said air supply assembly is in communication with said spray mesh pipe (210) through an air supply duct (220), said air supply duct (220) further having an air supply valve for connecting/disconnecting said spray mesh pipe (210) and said air supply assembly.
4. A hot blast tubing compensator side attemperator arrangement according to claim 3, wherein a pressure gauge (240) for measuring the pressure in the pipe and a flow meter (250) for measuring the flow in the pipe are provided on the supply air duct (220).
5. The hot blast tubing compensator side cooling device of claim 1, wherein the water supply assembly is in communication with the spray mesh tube (210) through a water supply conduit (230); the water supply pipeline (230) is also provided with a water supply valve for connecting/disconnecting the spraying network pipe (210) and the water supply assembly.
6. Hot blast pipe system compensator side cooling device according to claim 5, wherein a pressure gauge (240) for measuring the pressure in the pipe and a flow meter (250) for measuring the flow in the pipe are provided on the water supply pipe (230).
7. The hot blast pipe system compensator side cooling device according to claim 1, wherein the projection of the spray mesh tube (210) in a direction perpendicular to the extension of the compensator (110) is arc-shaped and coaxial with the compensator (110).
8. The hot blast pipe system compensator side cooling device according to any one of claims 1 to 7, wherein a receiving groove (300) is provided below one end of the compensator (110) and the pipeline main body (100) close to the compensator (110), the receiving groove (300) is used for receiving water sprayed to one end of the compensator (110) and the pipeline main body (100) close to the compensator (110), and a drain pipe (310) is communicated with the bottom end of the receiving groove (300).
9. A hot blast pipe system compensator side desuperheating method applied to the hot blast pipe system compensator side and the hot blast pipe system compensator side desuperheating apparatus of any one of claims 1 to 8, comprising the steps of:
measuring the outside surface temperature of the hot blast tubing compensator side;
when the outer surface temperature is within a first threshold range, the hot air piping system compensator side cooling device does not perform purging; when the outer surface temperature is within a second threshold range, the hot blast tubing compensator side cooling device blows air to the hot blast tubing compensator side; when the outer surface temperature is within a third threshold range, the hot blast tubing compensator side attemperation device sweeps water and air toward the hot blast tubing compensator side; when the outer surface temperature is within a fourth threshold range, the hot blast tubing compensator side cooling device sweeps water towards the hot blast tubing compensator side.
10. A hot blast pipe system compensator side modification method, applied to the hot blast pipe system compensator side and the hot blast pipe system compensator side desuperheating device of any of claims 1-8, comprising the steps of:
after the hot air pipe system compensator side stops working, judging whether the outer surface temperature is in a fifth threshold range, when a first high-temperature area with the surface temperature in the fifth threshold range is arranged on the hot air pipe system compensator side, arranging a grouting pipe (121) communicated with the first high-temperature area on the pipeline main body (100), and grouting into the first high-temperature area through the grouting pipe (121); and judging whether the outer surface temperature is within a sixth threshold range, when a second high-temperature area with the surface temperature within the sixth threshold range is arranged on the hot air piping system compensator side, arranging a pouring groove in the second high-temperature area, filling pouring materials into the pouring groove to enable the pouring materials to form a pouring layer, and grouting the pouring layer into the pouring layer through the grouting pipe (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021815.2A CN114383380A (en) | 2022-01-10 | 2022-01-10 | Side cooling device and method for hot air piping system compensator and improvement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021815.2A CN114383380A (en) | 2022-01-10 | 2022-01-10 | Side cooling device and method for hot air piping system compensator and improvement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114383380A true CN114383380A (en) | 2022-04-22 |
Family
ID=81199399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210021815.2A Pending CN114383380A (en) | 2022-01-10 | 2022-01-10 | Side cooling device and method for hot air piping system compensator and improvement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114383380A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090077886A1 (en) * | 2007-09-21 | 2009-03-26 | Siemens Aktiengesellschaft | Entrained-flow gasifier with cooling screen and bellows compensator |
| CN103307401A (en) * | 2013-07-04 | 2013-09-18 | 德阳市瑞祥机械厂 | Double-water-cooling expansion joint |
| CN105240641A (en) * | 2015-10-23 | 2016-01-13 | 王海平 | High-temperature-resistant smoke pipe compensator |
| CN108570524A (en) * | 2017-03-08 | 2018-09-25 | 广东韶钢松山股份有限公司 | The blast funnace hot blast stove pipe lining checkout and diagnosis of resistance to material technique |
| CN113903560A (en) * | 2021-09-29 | 2022-01-07 | 浙江尔格科技股份有限公司 | Intelligent air-cooling and spraying integrated cooling system and cooling method for transformer |
-
2022
- 2022-01-10 CN CN202210021815.2A patent/CN114383380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090077886A1 (en) * | 2007-09-21 | 2009-03-26 | Siemens Aktiengesellschaft | Entrained-flow gasifier with cooling screen and bellows compensator |
| CN103307401A (en) * | 2013-07-04 | 2013-09-18 | 德阳市瑞祥机械厂 | Double-water-cooling expansion joint |
| CN105240641A (en) * | 2015-10-23 | 2016-01-13 | 王海平 | High-temperature-resistant smoke pipe compensator |
| CN108570524A (en) * | 2017-03-08 | 2018-09-25 | 广东韶钢松山股份有限公司 | The blast funnace hot blast stove pipe lining checkout and diagnosis of resistance to material technique |
| CN113903560A (en) * | 2021-09-29 | 2022-01-07 | 浙江尔格科技股份有限公司 | Intelligent air-cooling and spraying integrated cooling system and cooling method for transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105135143B (en) | A kind of freezing prevention tubing water trap and its application method | |
| CN108003901B (en) | Coke oven bridge pipe replacing method and replacing auxiliary device thereof | |
| CN111363563A (en) | Grouting sealing system and method for coke oven gas lower spray pipe brick gas channel full slurry method | |
| CN102183148A (en) | Process for repairing thermal insulating layer in a pipeline of heating furnace | |
| CN110846452A (en) | Device and method for searching leakage point of damaged cooling wall of blast furnace | |
| CN114383380A (en) | Side cooling device and method for hot air piping system compensator and improvement method | |
| CN115386669B (en) | Method for establishing triple hearth structure of blast furnace | |
| CN111500809A (en) | Cooling wall plugging process and plugging slurry | |
| CN203891063U (en) | Leaking stoppage device of hot-blast furnace foundation | |
| CN213924903U (en) | Rotary bidirectional telescopic type blanking connecting pipe device | |
| CN206268691U (en) | A kind of low energy consumption heat supply network special steam direct-burried factory pipe bend | |
| CN101463401B (en) | Method for detecting hermeticity of blast furnace bucket rubber ring | |
| CN209876880U (en) | Energy-saving electric heating steam boiler | |
| CN211999560U (en) | Coke oven gas lower spray pipe brick gas channel full slurry grouting sealing system | |
| CN211367614U (en) | Device for searching leakage point of damaged cooling wall of blast furnace | |
| CN220812495U (en) | Modularized water-cooled beam | |
| CN111139369A (en) | Large cover with heat-insulating heating and connecting device for titanium sponge distillation production | |
| CN201092582Y (en) | Slag discharging device for metal vacuum smelting reduction still | |
| CN111718731B (en) | Vertical flue guniting method for coke oven combustion chamber | |
| CN112680570B (en) | Rotary bidirectional telescopic blanking connecting pipe device and use method thereof | |
| CN213652552U (en) | Peephole cover for blast furnace air supply | |
| CN219301333U (en) | Heat-insulating flame-explosion-resistant impact electric furnace flue gas pipeline | |
| CN211112063U (en) | Modular blast furnace water-cooling gap bridge | |
| CN102312027B (en) | Onstream leaking stoppage technology of iron making blast furnace cooling water pipe | |
| CN211739877U (en) | Plain pot-type calcining furnace burn-through molten tunnel hot state patching device of charcoal |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220422 |