CN219347354U - Liftable water-cooling fire stopping device - Google Patents
Liftable water-cooling fire stopping device Download PDFInfo
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- CN219347354U CN219347354U CN202223566508.7U CN202223566508U CN219347354U CN 219347354 U CN219347354 U CN 219347354U CN 202223566508 U CN202223566508 U CN 202223566508U CN 219347354 U CN219347354 U CN 219347354U
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Abstract
The application provides a liftable water-cooling fire blocking device, include: the fire-blocking curtain consists of two water cooling devices, and can move along the direction of the chain driven by the chain; one end of the chain is connected with the fire curtain, and the other end of the chain is provided with an air cylinder; the chain sequentially passes through the first fixed pulley and the second fixed pulley and then is connected to the air cylinder; the counterweight is arranged between the second fixed pulley and the cylinder and connected to the chain, so that the problem that negative pressure cold air suction phenomenon occurs when the temperature in the heating furnace is kept constant and a reversing valve is used for reversing operation, and the air-fuel ratio of a section of the heating furnace is increased, so that oxidation burning loss is increased and gas consumption is increased is solved; in the steel rolling process, the problem that the potential safety hazard is easily caused because the furnace pressure is too high and the furnace mouth of the feeding end is flamed sometimes occurs.
Description
Technical Field
The application relates to the technical field of fire stopping devices, in particular to a liftable water-cooling fire stopping device.
Background
The design height of the feed end furnace mouth of the heating furnace is 230mm at present, namely the distance height from the upper edge of the furnace mouth to the upper surface of the billet.
In the steel rolling process, in order to keep the temperature in the heating furnace constant, the reversing valve is used for discharging hot air in the furnace, and the heating furnace is kept in a proper temperature environment all the time for steel rolling operation.
However, negative pressure cold air suction phenomenon occurs during one-section reversing, so that the air-fuel ratio of one-section of the heating furnace is increased, the oxidation burning loss is increased, and the gas consumption is increased; in the steel rolling process, the condition that the furnace pressure is too high to cause the furnace mouth of the feeding end to fire can sometimes occur, and potential safety hazards are extremely easy to occur.
Disclosure of Invention
The embodiment of the application provides a liftable water-cooling fire blocking device, which aims to solve the problem that when a reversing valve is used for reversing operation to keep the temperature in a heating furnace constant, negative pressure cold air suction phenomenon occurs, so that the air-fuel ratio of one section of the heating furnace is increased, the oxidation burning loss is increased, and the gas consumption is increased; in the steel rolling process, the technical problem that the fire at the feed end furnace mouth is caused by overlarge pressure in the furnace is easy to cause potential safety hazard.
The application provides a liftable water-cooling fire blocking device, include:
the fire-blocking curtain consists of two water cooling devices, and can move along the direction of the chain driven by the chain; one end of the chain is connected with the fire curtain, and the other end of the chain is provided with an air cylinder;
the chain sequentially passes through the first fixed pulley and the second fixed pulley and then is connected to the air cylinder;
the counterweight is arranged between the second fixed pulley and the cylinder and is connected to the chain.
In some embodiments, a tightener is disposed between the counterweight and the cylinder, the tightener being connected to the chain.
In some embodiments, the chain, the first fixed pulley, the second fixed pulley, the counterweight, the cylinder and the tightener are in two groups, and are respectively positioned on two opposite sides of the fire curtain.
In some embodiments, the counterweight weighs 0.6 tons.
In some embodiments, the first fixed pulley and the second fixed pulley are provided with anti-slip pads.
In some embodiments, the fire barrier is provided with a lighting device thereon.
In some embodiments, the bottom of the fire barrier is provided with a foam cushion.
In some embodiments, a baffle is disposed inside the fire barrier, the baffle being disposed in a middle portion of the fire barrier, wherein holes are disposed on the baffle.
The embodiment of the application provides a liftable water-cooling fire blocking device, include: the fire-blocking curtain consists of two water cooling devices, and can move along the direction of the chain driven by the chain; one end of the chain is connected with the fire curtain, and the other end of the chain is provided with an air cylinder; the chain sequentially passes through the first fixed pulley and the second fixed pulley and then is connected to the air cylinder; the lifting water-cooling fire blocking device is characterized by further comprising a counterweight, wherein the counterweight is arranged between the second fixed pulley and the air cylinder and is connected to the chain, so that when the heating furnace keeps the temperature in the furnace constant and the reversing valve is used for reversing operation and negative pressure cold air suction phenomenon occurs, the lifting water-cooling fire blocking device can be used for blocking the feeding port end of the heating furnace, and therefore the phenomena that the air-fuel ratio of a section of the heating furnace is increased, the oxidation burning loss is increased and the gas consumption is increased are avoided; in the steel rolling process, if the condition that the furnace pressure is too large to cause the furnace mouth of the feeding end to generate the flame can also utilize the liftable water-cooling flame blocking device provided by the application to block the feeding end of the heating furnace, thereby avoiding the flame phenomenon caused by the increase of the furnace pressure of the heating furnace, and further avoiding the occurrence of potential safety hazards.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a liftable water-cooling fire blocking device in the application.
Reference numerals illustrate:
1-a fire curtain; 11-an illumination device; 12-a sponge cushion; 2-a chain; 21-a first fixed pulley; 22-a second fixed pulley; 3-cylinder; 4-balancing weight; 5-tightener.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
In some technologies, when the temperature in the heating furnace is kept constant and the reversing valve is used for reversing operation, negative pressure cold air suction phenomenon occurs, so that the air-fuel ratio of one section of the heating furnace is increased, the oxidation burning loss is increased, and the gas consumption is increased; in the steel rolling process, the condition that the furnace internal pressure is too big to lead to the feed port fire to appear, very easily takes place the potential safety hazard sometimes also can appear, in order to solve this technical problem, this application provides a liftable water-cooling fire stop device, below to each partial structure of liftable water-cooling fire stop device explain:
as can be seen from fig. 1, the present application provides a liftable water-cooling fire blocking device, comprising: the fire-blocking curtain 1 is composed of two water cooling devices, and the fire-blocking curtain 1 is driven by a chain 2 and can move along the direction of the chain 2; one end of the chain 2 is connected with the fire curtain 1, and the other end is provided with a cylinder 3; wherein the chain 2 is connected to the cylinder 3 after passing through a first fixed pulley 21 and a second fixed pulley 22 in sequence; the chain 2 further comprises a counterweight 4, wherein the counterweight 4 is arranged between the second fixed pulley 22 and the cylinder 3 and is connected to the chain 2.
For example, when the heating furnace is used for rolling steel, the temperature in the heating furnace needs to be kept constant during rolling steel to ensure that the temperature environment is reached during working during rolling steel, a reversing valve is arranged on the heating furnace, and when the temperature in the heating furnace is too high, the reversing valve needs to be operated to discharge high-temperature steam in the space in the heating furnace to ensure that the temperature in the heating furnace is not too high; however, when reversing operation is performed, the temperature in the heating furnace is too high, so that the phenomenon of negative pressure cold air suction in the furnace occurs, the oxygen concentration in the furnace is increased, the air-fuel ratio of a section of the heating furnace is increased, the oxidation burning loss is increased, and the gas consumption is increased, so that the waste and loss of fuel are caused; sometimes too much pressure in the furnace can cause the phenomenon of flaming at the feed inlet end of the heating furnace, which makes the safety of constructors and the use safety of the heating furnace very difficult.
In this embodiment, the application provides a liftable water-cooling fire-blocking device, which is provided with the fire-blocking curtain 1 and is formed by manufacturing two water-cooling devices with the length of 7 meters and the thickness of 0.1 meter and the height of 0.3 meter, wherein two fixed pulleys, namely the first fixed pulley 21, are fixed at the middle position on the upper surface of a steel structure on the feeding end of a heating furnace, then one fixed pulley, namely the second fixed pulley 22, is respectively arranged at the two ends of the heating furnace, the counterweight 4 is added at the two sides of the heating furnace, the air cylinder 3 is fixed on the steel structure, the fire-blocking device is connected with the chain 2 and can move along the direction of the chain 2 driven by the chain 2, the lifting fire blocking device is sequentially connected to the air cylinder 3 after passing through the first fixed pulley 21 and the second fixed pulley 22, after the lifting fire blocking device is put into use, cold air suction outside the heating furnace can be effectively reduced when the heating furnace is reversed, the proportioning accuracy of air and coal gas during one-section combustion of the heating furnace is improved, an electromagnetic valve is arranged on the air cylinder 3, the lifting of the fire blocking curtain 1 is controlled by the electromagnetic valve, the electromagnetic valve is manually and remotely operated, when the reversing valve is reversed, furnace gas at the feeding end of the heating furnace is blocked, outside air is prevented from entering the furnace, the air-fuel ratio is influenced, and the oxidation burning loss is increased; thereby effectively reducing the air-fuel ratio of the fuel and reducing the oxidation burning loss.
It can be understood that when the temperature in the heating furnace needs to be kept constant by reversing operation of the reversing valve, the phenomenon that cold air is sucked by negative pressure at the feed port end of the heating furnace can occur, so that outside air enters the heating furnace, the air-fuel ratio is influenced, the oxidation burning loss is increased, and the problem that the potential safety hazard is caused to constructors due to the phenomenon that the pressure in the heating furnace is overlarge and fires outwards from the feed port end of the heating furnace can also occur sometimes, so that in order to prevent the problem, the application provides a liftable water-cooling fire blocking device, through the arrangement of the fire blocking curtain 1, constructors can utilize an electromagnetic valve arranged on the air cylinder 3 to remotely operate to directly move the fire blocking curtain 1 to the feed port end of the heating furnace by utilizing the chain 2, thereby directly avoiding that outside air enters the heating furnace, effectively reducing the air-fuel ratio of fuel, reducing the oxidation burning loss, and then utilizing the water-cooling effect of the fire blocking curtain 1 to rapidly cool the furnace, thereby greatly reducing the reversing time of the reversing valve in the reversing valve; if the phenomenon that the pressure in the heating furnace is overlarge and fires outwards occurs, constructors can also utilize the electromagnetic valve arranged on the air cylinder 3 to remotely operate to directly use the fire baffle curtain 1 to move to the feed inlet end of the heating furnace by the chain 2, and the feed inlet end of the heating furnace is blocked so as to directly avoid the outward fire of the feed inlet end of the heating furnace, and the water cooling effect of the fire baffle curtain 1 is utilized to rapidly cool the inside of the heating furnace so as to avoid the fire occurrence.
As can be seen from fig. 1, a wire stretcher 5 is provided between the counterweight 4 and the cylinder 3, the wire stretcher 5 is connected to the chain 2, it can be understood that the designed height of the furnace inlet is 230mm, so the height of the fire blocking curtain 1 and the designed height of the furnace inlet are kept consistent, and the driving of the counterweight 3 and the chain 2 is higher than the designed height of the furnace inlet, so the water cooling device can not be adjusted to the height of the fire blocking curtain 3 from the ground, when the fire blocking curtain 1 is not used, the fire blocking curtain 1 can leave the furnace inlet under the driving of the cylinder 3 and the chain 2, so the fire blocking curtain 3 can not be adjusted to a proper height for preventing the cylinder 3 from being pulled down, the length of the chain 2 at the lower end of the counterweight 4 can be freely adjusted through the wire stretcher 5, the water cooling device can not be adjusted, and the water cooling device can not be adjusted to the fire blocking curtain 1 when the water cooling device is not used, and the water cooling device can not be adjusted to the water cooling device can not be installed.
In this embodiment, as shown in fig. 1, the chains 2, the first fixed pulley 21, the second fixed pulley 22, the counterweight 4, the cylinder 3, and the tightener 5 are two groups, which are respectively located at two opposite sides of the fire-blocking curtain 1, it is understood that the fire-blocking curtain 1 has a large mass, so that, on one hand, the chains 2 are not damaged in order to drive the fire-blocking curtain 1 to lift; on the other hand, in order to maintain the balance of the fire barrier 1 without shaking during the driving and lifting, when the liftable water-cooling fire barrier is installed, the chain 2, the first fixed pulley 21, the second fixed pulley 22, the counterweight 4, the cylinder 3, and the tightener 5 are provided in two groups, and the chain 2, the first fixed pulley 21, the second fixed pulley 22, the counterweight 4, the cylinder 3, and the tightener 5 are provided on opposite sides of the fire barrier 1, respectively, in order to maintain the balance of the fire barrier 1 more preferably.
In this embodiment, the weight of the counterweight 4 is 0.6 ton, it is understood that the fire barrier 1 is assembled by two water cooling devices, so the weight is large, and the fire barrier 1 cannot be lifted by remote control of the electromagnetic valve arranged on the air cylinder 3, so the weight is controlled to be 0.6 ton and distributed on two opposite sides of the fire barrier 1 by calculating the weight of the fire barrier 1 and the stress balance condition and the electromagnetic valve convenient to operate the air cylinder 3, so that the balance of the fire barrier 1 is maintained on one hand, and the fire barrier 1 is not affected by the weight of the fire barrier 1 when the lifting operation is performed on the other hand.
In this embodiment, the first fixed pulley 21 and the second fixed pulley 22 are provided with anti-slip pads, and it is understood that, in order to increase the friction between the chain 2 and the fixed pulleys, the first fixed pulley 21 and the second fixed pulley 22 are provided with anti-slip pads to increase the friction between the chain 2 and the fixed pulleys to prevent the slip between the chain 2 and the fixed pulleys, no matter the chain 2 drives the fire-blocking curtain 1 to move or the fire-blocking curtain 1 is pulled to be stationary by the chain 2, the first fixed pulley 21 and the second fixed pulley 22 are provided with anti-slip pads.
According to the figure 1, the lighting device 11 is arranged on the fire shield 1, the working environment of the liftable water-cooling fire shield is in a darker environment, so that the constructor can conveniently observe the position of the fire shield 1, the fire shield 1 can be better arranged at the front of the feed inlet end of the heating furnace to perform fire shielding, the lighting device 11 is arranged on one surface of the fire shield 1 opposite to the feed inlet end of the heating furnace, and the constructor is assisted by the light of the lighting device 11 to place the fire shield 1 at the feed inlet end of the heating furnace when the fire shield 1 is lifted.
As can be seen from fig. 1, the bottom of the fire-blocking curtain 1 is provided with a sponge cushion 12, so as to prevent the fire-blocking curtain 1 from being bumped at the bottom during lifting operation or transportation, and the bottom of the fire-blocking curtain 1 is provided with the sponge cushion 12, so that the probability of damage caused by accidental collision between the lifting operation and steel billets of the fire-blocking curtain 1 can be effectively reduced.
As can be seen from fig. 1, the baffle plate 13 is disposed inside the fire-blocking curtain 1, the baffle plate 13 is disposed in the middle of the fire-blocking curtain 1, holes are disposed on the baffle plate 13, the fire-blocking curtain 1 is composed of two water cooling devices, the baffle plate 13 is disposed between the two water cooling devices, the baffle plate 13 is provided with holes, when water cooling is performed, cooling water enters one water cooling device and is transferred into the other water cooling device through the holes, and the cooling water is circulated from the holes to achieve the water cooling effect, so that the temperature in the heating furnace is reduced.
The foregoing detailed description of the embodiments of the present application has further described the objects, technical solutions and advantageous effects thereof, and it should be understood that the foregoing is merely a specific implementation of the embodiments of the present application, and is not intended to limit the scope of the embodiments of the present application, and any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the scope of the embodiments of the present application.
Claims (8)
1. A liftable water-cooled firestop device, characterized in that it comprises:
the fire-blocking curtain (1), wherein the fire-blocking curtain (1) consists of two water cooling devices, and the fire-blocking curtain (1) is driven by a chain (2) to move along the direction of the chain (2); one end of the chain (2) is connected with the fire-blocking curtain (1), and the other end of the chain is provided with a cylinder (3);
the chain (2) is connected to the air cylinder (3) after passing through a first fixed pulley (21) and a second fixed pulley (22) in sequence;
the chain conveyor further comprises a counterweight (4), wherein the counterweight (4) is arranged between the second fixed pulley (22) and the air cylinder (3) and is connected to the chain (2).
2. A liftable water-cooled fire blocking device according to claim 1, characterized in that a tightener (5) is arranged between the counterweight (4) and the cylinder (3), the tightener (5) being connected to the chain (2).
3. A liftable water-cooled fire blocking device according to claim 2, characterized in that the chain (2), the first fixed pulley (21), the second fixed pulley (22), the counterweight (4), the cylinder (3) and the tightener (5) are arranged in two groups, which are respectively arranged on two opposite sides of the fire blocking curtain (1).
4. A liftable water-cooled fire shield apparatus according to claim 1, characterized in that the weight (4) weighs 0.6 tons.
5. A liftable water-cooled fire stopping device according to claim 1, characterized in that the first fixed pulley (21) and the second fixed pulley (22) are provided with anti-slip pads.
6. A liftable water-cooled fire shield as claimed in claim 1, wherein the fire shield (1) is provided with lighting means (11).
7. A liftable water-cooled fire blocking device according to claim 1, characterized in that the bottom of the fire blocking curtain (1) is provided with a foam cushion (12).
8. The liftable water-cooling fire blocking device according to claim 1, wherein a partition plate (13) is arranged inside the fire blocking curtain (1), the partition plate (13) is arranged in the middle of the fire blocking curtain (1), and holes are formed in the partition plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223566508.7U CN219347354U (en) | 2022-12-30 | 2022-12-30 | Liftable water-cooling fire stopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223566508.7U CN219347354U (en) | 2022-12-30 | 2022-12-30 | Liftable water-cooling fire stopping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219347354U true CN219347354U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223566508.7U Active CN219347354U (en) | 2022-12-30 | 2022-12-30 | Liftable water-cooling fire stopping device |
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| Country | Link |
|---|---|
| CN (1) | CN219347354U (en) |
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2022
- 2022-12-30 CN CN202223566508.7U patent/CN219347354U/en active Active
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