CN115323869A - Thermal regeneration equipment, fire emergency method thereof and asphalt stirring equipment - Google Patents
Thermal regeneration equipment, fire emergency method thereof and asphalt stirring equipment Download PDFInfo
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- CN115323869A CN115323869A CN202210910969.7A CN202210910969A CN115323869A CN 115323869 A CN115323869 A CN 115323869A CN 202210910969 A CN202210910969 A CN 202210910969A CN 115323869 A CN115323869 A CN 115323869A
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- 238000011069 regeneration method Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000010426 asphalt Substances 0.000 title claims abstract description 13
- 238000003756 stirring Methods 0.000 title description 5
- 230000000903 blocking effect Effects 0.000 claims abstract description 44
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000002485 combustion reaction Methods 0.000 claims description 87
- 239000000463 material Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 206010000369 Accident Diseases 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
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- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/24—Operating or controlling mechanisms
- A62C2/241—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts
- A62C2/245—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts with thermostatic elements, e.g. bimetallic, resettable actuators
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1009—Plant wherein type or construction of the mixer are irrelevant
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention discloses a thermal regeneration device, a fire emergency method thereof and asphalt mixing equipment provided with the thermal regeneration device, wherein the thermal regeneration device comprises a roller and a roller feeding end plate positioned at one end of the roller, the roller feeding end plate is provided with an opening, and the thermal regeneration device also comprises a fire blocking device, wherein the fire blocking device comprises a fire blocking component which is used for blocking the opening when fire occurs in the roller; and the driving assembly is used for driving the firestop member to move to the working position so as to block the opening, and is used for driving the firestop member to move away from the working position so as to be separated from the opening. Among the thermal regeneration equipment, because the device of keeping off the fire is provided with the component of keeping off the fire to the component of keeping off the fire can in time shutoff cylinder opening under drive assembly's effect, seals flame in the cylinder, prevents that flame from stretching other components of thermal regeneration equipment, effectively avoids other components to receive the intensity of a fire to influence and damage.
Description
Technical Field
The invention relates to the technical field of thermal regeneration, in particular to thermal regeneration equipment, a fire emergency method thereof and asphalt stirring equipment with the thermal regeneration equipment.
Background
The heat regeneration equipment is a high-temperature production equipment, and a fire may occur inside the equipment due to operation errors, equipment failure and the like, so that components in the heat regeneration equipment are damaged.
When fire breaks out inside the thermal regeneration equipment, the prior art generally puts out a fire by adding a large amount of cold regeneration materials into the equipment, but the cold regeneration materials need to pass through a cold hopper, a belt and a lifter to enter a roller, during which the fire and high temperature can rapidly spread, for example, to a combustion device or other positions, and further damage can be caused to a plurality of electric appliances, lines, materials and the like.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a thermal regeneration apparatus, a fire emergency method thereof, and an asphalt mixing plant provided with the thermal regeneration apparatus, which can prevent a fire from spreading by blocking an opening of a drum with a fire blocking device.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a heat regeneration equipment, includes the cylinder and is located the cylinder feed end plate of cylinder one end, be provided with the opening on the cylinder feed end plate, still include the device of keeping off a fire, the device of keeping off a fire includes:
a fire blocking member for blocking the opening when a fire breaks out in the drum;
a drive assembly for driving the firestop member to move to an operative position for blocking the opening and for driving the firestop member to move away from the operative position for disengaging the opening.
Optionally, in the above thermal regeneration apparatus, the driving assembly includes: power device, connecting rod and support, wherein:
the support is positioned on the roller feeding end plate and is fixedly connected with the roller feeding end plate;
the connecting rod is provided with a first connecting position, a second connecting position and a third connecting position along the axial direction, the first connecting position is fixedly connected with the fire blocking component, the second connecting position is hinged with the support, and the third connecting position is in transmission connection with the power device;
the power device is used for driving the connecting rod to rotate by a preset angle by taking the support as a rotation center so as to drive the fire blocking member to move to the working position or drive the fire blocking member to move away from the working position.
Optionally, in the above thermal regeneration apparatus, further comprising an arc-shaped guide groove and a first slider, wherein:
the arc-shaped guide groove is arranged on the roller feeding end plate, and the arc-shaped circle center of the arc-shaped guide groove is the rotating center of the connecting rod;
one end of the first sliding block is in sliding fit with the arc-shaped guide groove, and the other end of the first sliding block is connected with the connecting rod.
Optionally, in the above thermal regeneration apparatus, the thermal regeneration apparatus further includes a discharge box connected to the other end of the drum, and a detection device for monitoring whether a fire occurs in the drum, the detection device includes:
a first temperature sensing device for detecting a temperature inside the drum;
and/or the second temperature sensing device is used for detecting the temperature of tail gas at the joint of the roller and the discharge box;
and/or, a flame detection device for detecting whether a flame is present in the drum.
Optionally, in the above thermal regeneration device, further comprising:
the combustion device is matched with the opening and used for providing heat for the materials in the roller;
the moving device is used for controlling at least part of the combustion device to extend into the drum through the opening;
alternatively, the combustion means is controlled away from the opening to exit entirely inside the drum.
Optionally, in the above thermal regeneration apparatus, the moving device includes a motor and a lead screw, wherein:
a screw rod in the screw rods is driven to rotate by the motor;
and a screw nut in the screw rod is fixedly connected with the combustion device through a second sliding block so as to drive the combustion device to move along the axial direction of the screw rod.
Optionally, in the above thermal regeneration apparatus, the moving device further includes:
the guide rail is arranged along the axial direction of the roller and is in sliding connection with the combustion device, and the motor drives the combustion device to reciprocate along the length direction of the guide rail through the screw rod;
the first switch device is arranged at a preset position, close to one end of the motor, of the guide rail, when the combustion device runs to the preset position, the combustion device touches the first switch device, and the first switch device sends a signal to the fire blocking device to start the fire blocking device.
Optionally, in the above heat regeneration apparatus, the moving device further includes a second switch device disposed at an end of the guide rail away from the motor, and the second switch device is adapted to limit a depth of the foremost end of the combustion device extending into the drum.
Optionally, in the above heat regeneration equipment, the system further comprises a fire extinguishing device, the fire extinguishing device comprising:
a storage tank for storing a fire extinguishing medium;
one end of the pipeline is communicated with the roller, and the other end of the pipeline is connected with the storage tank;
and the switch valve is arranged on the pipeline or at the outlet of the storage tank.
An asphalt mixing plant, includes foretell heat regeneration facility.
An emergency method for fire accident of thermal regeneration equipment is characterized by comprising the following steps:
s1: the combustion device is separated from the opening arranged on the roller feeding end plate;
s2: the opening is blocked by the fire blocking device;
s3: the fire extinguishing device extinguishes the interior of the roller.
Optionally, in the emergency method for fire of thermal regeneration equipment, in the production stage, the method further includes the following steps:
step S01 is performed before step S1: detecting that the temperature of the roller exceeds a first preset range, and stopping the combustion work of the combustion device;
and/or, before step S1, performing step S02: detecting that the temperature of the tail gas of the roller exceeds a second preset range, and stopping the combustion work of the combustion device;
and/or, after step S3, performing step S4: and closing the fire extinguishing device, and moving the fire blocking device to re-extend into the roller through the opening of the roller feeding end plate.
Optionally, in the emergency method for fire accident of thermal regeneration equipment, during the period of production shutdown, the method further includes the following steps:
step S01 is performed before step S1: detecting that the temperature of the roller exceeds a first preset range;
and/or, before step S1, performing step S02: detecting that the temperature of the tail gas of the roller exceeds a second preset range;
and/or, before step S1, performing step S03: detecting the presence of a flame within the drum;
and/or, after step S3, performing step S4: and closing the fire extinguishing device, and moving the fire blocking device to re-extend into the roller through the opening of the roller feeding end plate.
According to the technical scheme, the invention provides thermal regeneration equipment, a fire emergency method thereof and asphalt stirring equipment with the thermal regeneration equipment. Among this thermal regeneration equipment, because the device of keeping off the fire is provided with the component of keeping off the fire to when catching fire in the cylinder is inside, the component of keeping off the fire can in time shutoff cylinder feed end plate opening under drive assembly's effect, seals flame in the cylinder, prevents that flame from stretching other components of thermal regeneration equipment, effectively avoids other components to receive the intensity of a fire to influence and damage. Simultaneously to the pitch agitated vessel that is provided with this thermal regeneration equipment, when the inside fire catching of the cylinder of the thermal regeneration equipment among the pitch agitated vessel, keep off the fire component and can seal flame in the cylinder, prevent that flame from stretching, can avoid pitch agitated vessel component to receive the intensity of a fire to influence, can provide pitch agitated vessel's security performance. In addition, because in the emergent method of catching a fire, burner, the device of keeping off a fire, extinguishing device pass through controller signal intercommunication, closely link up between every step, can avoid the intensity of a fire to spread, effectively put out a fire.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of a thermal regeneration apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partial structure of a thermal regeneration apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a firestop device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a combustion device, a moving device and a fire extinguishing device according to an embodiment of the present invention;
FIG. 5 is a method flow diagram of a thermal regeneration equipment fire emergency method at a production stage according to an embodiment of the present invention;
FIG. 6 is a flowchart of a method for implementing a fire emergency method for thermal regeneration equipment during a shutdown phase according to an embodiment of the present invention.
Wherein:
1-a roller, 2-a fire blocking device,
21-fire blocking component, 22-power component, 23-connecting rod, 24-support, 25-arc guide groove,
26 the first slide block of the first slide block,
3-a detection device for detecting the position of the object,
31-first temperature sensing means, 32-second temperature sensing means, 33-flame detection means,
4-a combustion device, 5-a moving device, 51-a motor, 52-a screw rod, 53-a second slide block,
6-fire extinguishing device, 61-storage tank, 62-switch valve, 63-pipeline and 7-roller feeding end plate.
Detailed Description
The embodiment of the invention provides thermal regeneration equipment, a fire emergency method thereof and asphalt stirring equipment provided with the thermal regeneration equipment, which can prevent fire from spreading in a mode that a fire blocking device blocks an opening of a roller feeding end plate.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The thermal regeneration equipment is used for reheating and metering the regeneration materials, then putting the regeneration materials into the mixing cylinder, and mixing the regeneration materials and the primary materials together to form the asphalt concrete. The heat regeneration equipment is composed of a cold material system, a lifting system, a drying system, a metering system, a main building frame, a control system and the like.
As shown in fig. 1 to 6, an embodiment of the present invention provides a heat regeneration apparatus.
Firstly, the heat regeneration equipment comprises a roller 1 and a roller feeding end plate 7 positioned at one end of the roller 1, wherein an opening is arranged on the roller feeding end plate 7, and the heat regeneration equipment also comprises a fire blocking device 2. Therein, the firestop device 2 comprises a firestop member 21 and a drive assembly. A firestop member 21, i.e. a circular plate member in the figure, for blocking an opening (referred to herein as an opening for short) in the feeding end plate of the drum; the drive assembly is for driving the firestop member 21 to move to the operative position for closing off the opening and for driving the firestop member 21 to move away from the operative position for disengaging the opening. Use drive assembly drive to keep off fire component 21 shutoff or break away from the opening, can replace artifical removal to keep off fire component 21, be favorable to practicing thrift the cost of labor, can avoid the human operation to appear misoperation moreover, can reduce the work risk. The operating position is a position at which the firestop member 21 can completely close the opening.
Preferably, the firestop member 21 is a plate-shaped structure, which is simple in structure, easy to manufacture and select, and can be conveniently connected with the driving assembly.
The firestop member 21 may be adapted to block or separate the opening, and the blocking of the opening means that the opening is completely blocked and the drum feed end plate 1 is isolated from the outside at the opening. When taking place or being about to take place to catch fire in this heat regeneration facility's the cylinder 1, carry out the shutoff through keeping off fire component 21 with the opening of cylinder feeding end plate 1, can seal flame inside cylinder 1, avoid the intensity of a fire to stretch to burner 4 to avoid burner 4 impaired. When the non-fire state, keep off fire device 2 and break away from this opening part to guarantee that burner 4 and cylinder feeding end plate 7's opening normally docks, and stretch into inside cylinder 1 through this opening, provide the heat for the inside material of waiting to dry of cylinder 1.
In particular implementation, the drive assembly includes a power device 22, a connecting rod 23, and a support 24. Wherein: the support 24 is positioned on the roller feeding end plate 7 and fixedly connected with the roller feeding end plate; the connecting rod 23 is provided with a first connecting position, a second connecting position and a third connecting position along the axial direction, the first connecting position is fixedly connected with the fire blocking member 21, the second connecting position is hinged with the support 24, and the third connecting position is in transmission connection with the power device 22. The power unit 22 is used for driving the connecting rod 23 to rotate by a preset angle around the support 24 as a rotation center to drive the firestop member 21 to move to the working position or drive the firestop member 21 to move away from the working position.
When the firestop member 21 needs to be moved to the working position, the power device 22 drives the output shaft to retract firstly, so that the control connecting rod 23 carries the firestop member 21 to rotate for a certain angle by taking the support 24 as a rotating center, and when the connecting rod 23 rotates to a preset angle, the firestop member 21 moves to the working position to block the opening. It should be noted that the preset angle refers to: the angle of rotation of the firestop member 21 and the link 23 about the abutment 24 is required to move the firestop member 21 from a position in which it does not block the opening to a position in which it blocks the opening in the operative position.
In specific implementation, the power device 22 includes a body and an output shaft capable of extending and retracting along the axial direction of the body, wherein: the end of the output shaft far away from the machine body is hinged with the end of the connecting rod 23 far away from the fire blocking member 21, namely, the end of the output shaft far away from the machine body is hinged with the third connecting position of the third connecting rod 23, and the end of the machine body far away from the output shaft is hinged with the roller feeding end plate 7. The process that the fire blocking member 21 moved to the operating position is through the telescopic shaft along fuselage axial extension, drive the third and connect the position and move along the telescopic shaft direction, again because the second in the middle of the connecting rod 23 is connected with the support 24 of fixing to on the cylinder feed end plate 7, so, connecting rod 23 can rotate around support 24 (a fixed fulcrum promptly) because the removal of third connection position, thereby drive the removal of first connection position, the removal orbit of first connection position is the arc line, thereby drive the fire blocking member 21 and remove to the operating position along the arc orbit.
Or, in other embodiments, one end of the output shaft, which is far away from the machine body, is fixedly connected with one end of the connecting rod 23, which is far away from the fire blocking member 21, the telescopic direction of the telescopic shaft is parallel to the length direction of the connecting rod 23, the connecting rod 23 is fixedly connected with the fire blocking member 21, and the process of moving the fire blocking member 21 to the working position is to stretch and retract along the axial direction of the machine body through the telescopic shaft, so as to drive the connecting rod 23 to move along the axial direction, thereby moving the fire blocking member 21 to the working position. The movement locus of the link 23 at this time is a straight line.
Further, in the above thermal regeneration apparatus, an arc-shaped guide groove 25 and a first slider 26 are further included, wherein: the arc-shaped guide groove 25 is arranged on the roller feeding end plate 7, and the arc-shaped circle center of the arc-shaped guide groove is the rotation center of the connecting rod 23; one end of the first slider 26 is slidably fitted into the arc-shaped guide groove 25, and the other end is connected to the link 23. Wherein, the circle center of the arc is the hinge center of the connecting rod 23 and the support 24. Set up arc guide way 25, carry on spacingly to keeping off fire component 21, can also prevent connecting rod 23 and the swing of keeping off fire component 21, wherein the angle of arc guide way 25 cooperatees with the angle of predetermineeing, and simple structure is convenient, is the mode that realizes the angle of predetermineeing the most easily.
But not limited to this, in other embodiments, a linear guide groove may be used instead of the arc-shaped guide groove 25, and a driving structure in which the moving track of the connecting rod 23 is a straight line may be used, which can also make the connecting rod 23 move to the working position smoothly, quickly, and accurately.
Moreover, in other embodiments, the drive assembly may be a robotic arm or other drive mechanism that can manipulate the firestop member 21 to move to the operating position and can manipulate the firestop member 21 to move from the operating position to disengage the opening.
In other embodiments, a hinge structure may be used to control the fire stop member 21 to be turned over for the purpose of closing/opening the opening.
The present invention is not limited to the specific driving method of the firestop member 21, and the skilled person can adopt different structural forms according to actual situations.
When the specific implementation, in above-mentioned heat regeneration facility, still include the ejection of compact case that is connected with the cylinder 1 other end and be used for monitoring whether take place the detection device 3 that catches fire in the cylinder 1, detection device 3 includes: a first temperature sensing means 31 for detecting the temperature inside the drum 1; and/or, the second temperature sensing device 32 is used for detecting the temperature of the tail gas at the joint of the roller 1 and the discharge box; and/or a flame detection device 33 for detecting whether a flame is present in the drum 1.
It should be noted that the temperature sensing device may be an infrared sensor, a temperature sensor or other temperature measuring element, and the flame detection device 33 may be an ultraviolet flame monitor, a flame conductive electrode type flame monitor or other flame monitors. Wherein, first temperature-sensing device 31 can be used for detecting the temperature of cylinder 1, first temperature-sensing device 31 sets up in the position that cylinder 1 is close to the rolling circle, because the position section of thick bamboo wall temperature that is close to the rolling circle is higher, the temperature that measures is accurate relatively, second temperature-sensing device 32 can be used for detecting the tail gas temperature of cylinder 1 and judge whether cylinder 1 burns, the inside temperature when cylinder 1 exceeds first settlement temperature, or when the tail gas temperature of cylinder 1 exceeds the second settlement temperature, perhaps, when flame detector device 33 detects and measures the flame appearing in cylinder 1, then explain that cylinder 1 takes place or will take place the burning.
In a specific implementation, the thermal regeneration apparatus further includes: the combustion device 4 is matched with the opening and used for providing heat for the materials in the roller 1 so as to dry the materials, and the combustion device 4 is arranged on one side of the roller feeding end plate 7; and a moving device 5 for controlling at least part of the combustion device 4 to extend into the interior of the drum 1 through the opening, or for controlling the combustion device 4 to move away from the opening to completely exit the interior of the drum 1. Set up mobile device 5 control burner 4 can be accurate control burner 4's mobile position, avoid the manual operation error to appear, take place danger.
In practical implementation, as shown in fig. 4, in the above thermal regeneration apparatus, the moving device 5 includes a motor 51 and a lead screw, wherein: a screw rod 52 of the screw rods is driven by a motor 51 to rotate; the screw nut in the screw is connected to the combustion device 4 via a second slider 53 to drive the combustion device 4 to move axially along the screw to extend through the opening into the drum 1 or away from the opening. The motor 51 is connected with the screw rod 52 in a driving mode, so that the screw rod 52 drives the combustion device 4 to move, the second sliding block 53 is preferably a threaded transmission part, the threaded transmission part is detachably connected with the combustion device 4, a threaded hole is formed in the threaded transmission part, and the screw rod 52 is in threaded connection with the threaded hole. Through the detachable connection of the screw drive member and the combustion device 4, the installation of the screw drive member can be facilitated.
It should be noted that the screw transmission member may be screwed and fastened to the combustion apparatus 4, one end of the screw rod 52 is connected to the output end of the motor 51, and the other end of the screw rod 52 passes through the threaded hole. The screw rod 52 is matched with the threaded hole to realize the threaded transmission of the motor 51 and the combustion device 4. When the screw transmission member is installed, the screw transmission member is sleeved outside the screw rod 52, and then the screw transmission member is connected to the combustion device 4.
In specific implementation, as shown in fig. 4, the mobile device 5 further includes:
the guide rail is arranged along the axial direction of the roller 1, the guide rail is connected with the combustion device 4 in a sliding way, and the motor 51 drives the combustion device 4 to reciprocate along the length direction of the guide rail through a screw rod 52;
the first switch device is arranged at a preset position of one end, close to the motor 51, of the guide rail, when the combustion device 4 runs to the preset position, the first switch device is touched, the first switch device sends a signal to the fire blocking device 2, the fire blocking device 2 is started, and meanwhile the first switch device is suitable for limiting the position of the combustion device 4 extending out of the roller feeding end plate 7. The preset position can be a position where the combustion device 4 is separated from the roller feeding end plate 7, when the gap distance between the combustion device 4 and the separation surface of the roller feeding end plate 7 is between 20 mm and 30 mm, or when the combustion device 4 continues to move and is separated from the guide rail, the combustion device needs to stop, and the preset position can be adjusted according to actual conditions and is not specifically limited herein.
Wherein, the guide rail and the motor 51 are positioned outside the roller 1, and the motor 51 is positioned at one end of the guide rail far away from the roller 1, and the guide rail is used for limiting the movement of the combustion device 4 along the length direction of the guide rail. The axial lead of the screw rod 52 is the same as the length direction of the guide rail, the motor 51 is directly connected with the screw rod 52 in a driving way, the screw rod 52 can be directly connected with the combustion device 4 in a transmission way, and the transmission connection with the combustion device 4 can also be realized through other intermediate connecting pieces.
In addition, the guide rail is connected with the combustion device 4 in a sliding mode, guide grooves are formed in the roller and the guide rail, the guide grooves are formed in the length direction of the guide rail, the roller is contained in the guide grooves, and the roller can roll along the guide grooves. Through the setting of gyro wheel, form the support to burner 4, the removal of burner 4 of being convenient for through the cooperation of gyro wheel with the guide slot, forms the direction to burner 4 removal. Wherein, the guide rail has two at least, and the quantity of gyro wheel is twice at least as the guide rail, and every guide slot cooperates with at least one gyro wheel respectively.
In specific implementation, the first switch device may be a photoelectric sensor, the photoelectric sensor may sense a position of the roller moving toward the motor 51, and when the roller moves to a preset position, the motor 51 stops operating and sends a signal to the fire stopping device 2 to start the fire stopping device 2.
Or, in other embodiments, the first switch device further comprises a first switch device body and a position sensor, the first switch device body and the position sensor are arranged at a position of the guide rail close to the first switch device body, and between the first switch device body and the second switch device, when the combustion device 4 is separated from the roller feeding end plate 7 and the gap distance between the combustion device 4 and the separation surface of the roller feeding end plate 7 is between 20 mm and 30 mm, the combustion device 4 touches the position sensor, sends a signal to the fire stopping device 2, and starts the fire stopping device 2. Meanwhile, the combustion device 4 continues to move until the first switch position body is touched, so that the combustion device 4 is prevented from being separated from the guide rail, and the motor 51 stops running. The gap distance may be set as needed, and is not limited herein.
In practical implementation, in the above thermal regeneration apparatus, the moving device 5 further includes a second switch device disposed at an end of the guide rail far from the motor 51, and the second switch device is adapted to limit a depth of the foremost end of the combustion device 4 extending into the drum 1 (i.e., a length of the combustion device 4 extending into the drum 1, where the length is an axial length of the combustion device 4). At least part of the combustion means 4 here protrudes inside the drum 1 by passing through an opening provided in the feed end plate 7 of the drum, providing heat to the material to be dried. The second switch device can adopt a photoelectric sensor, the photoelectric sensor can sense the position of the roller moving to one side of the roller 1, and when the roller moves to the second set position, the motor 51 stops running, so that the collision of the combustion device 4 with the roller feeding end plate 7 caused by continuous movement is avoided.
Alternatively, in other embodiments, the second switch device may employ a mechanical limit member, and when the roller 5 contacts the mechanical limit member, the motor 51 stops, so as to avoid the collision of the combustion device 4 with the drum feeding end plate 7 caused by the continuous movement. Through the setting of second switching device, prescribe a limit to the displacement of burner 4 to cylinder feeding end plate 7 one side motion, avoid burner 4 to continue to move and cause the collision with cylinder feeding end plate 7.
As shown in fig. 3, the combustion device 4 comprises a burner and a burner base, the burner is mounted on the burner base, and the moving device 5 is drivingly connected to the burner base. The threaded transmission part is connected with the burner seat, the roller is installed at the lower end of the burner seat, the burner is detachably connected with the burner seat, and preferably, the burner is fixedly connected with the burner seat through screws. Through installing combustor 2 on the combustor seat, can avoid the transformation to the combustor, also be convenient for the installation of gyro wheel and positioning seat.
But not limited to this, in other specific embodiments, the moving device 5 may also be an air cylinder or other linear motion mechanism, the structure of the moving device is not limited specifically here, and a skilled person may adopt different structural forms according to actual situations.
When combustion occurs or is about to occur inside the drum 1, the moving device 5 controls the combustion device 4 to exit the drum feeding end plate 7. The combustion device 4 may be a burner or other device that can be used for heating. Here, the burners may be controlled to be turned off or stopped before the burner 4 exits the drum feed end plate 7. The heat source is cut off, which is beneficial to reducing the fire to continue to develop.
In a specific implementation, the thermal regeneration equipment further comprises a fire extinguishing device 6, wherein the fire extinguishing device 6 comprises: a storage tank 61 for storing a fire extinguishing medium; and a duct 63 having one end communicating with the drum 1 and the other end connected to the tank 61, and opening and closing of the duct 63 controlled by an on-off valve 62. Specifically, the on-off valve 62 is provided on the pipe 63, or at the outlet of the tank 61. Fire extinguishing apparatus 6 opens through ooff valve 62, and the storage tank 61 and the cylinder 1 intercommunication that make, fire extinguishing medium pass through pipeline 63 and carry cylinder 1 in, put out a fire to cylinder 1, accomplish after putting out a fire, close ooff valve 62 can, this kind of fire extinguishing apparatus 6 simple structure, operation safety. Among them, carbon dioxide is preferred as the fire extinguishing medium because carbon dioxide is low in fire extinguishing cost, good in fire extinguishing effect and small in loss.
In a specific implementation, the thermal regeneration equipment further comprises a controller, and the controller is in communication connection with the detection device 3, the moving device 5, the fire blocking device 2 and the fire extinguishing device 6 respectively. The automation of the emergency system of the regeneration equipment can be realized. Avoid the time and labor waste caused by manual operation, and can also ensure the accuracy of each operation.
The embodiment also provides asphalt mixing equipment which is provided with the thermal regeneration equipment. When the inside of the cylinder 1 of the hot regeneration facility in the asphalt mixing equipment catches fire, the fire blocking component 21 can seal the flame in the inner cloth of the cylinder 1, so that the flame is prevented from spreading, other components of the asphalt mixing equipment can be prevented from being influenced by the fire, and the safety performance of the asphalt mixing equipment can be provided.
Referring to fig. 5 and 6, an emergency method for fire accident of thermal regeneration equipment according to an embodiment of the present invention includes the following steps:
s1: the combustion device 4 is disengaged from the opening provided in the feeding end plate 7 of the drum;
s2: the opening is blocked by the fire stopping device 2;
s3: the fire extinguishing device 6 extinguishes the interior of the drum 1.
Wherein, burner, the device of keeping off a fire, extinguishing device pass through controller signal intercommunication, and closely link up between every step can avoid the intensity of a fire to spread, effectively puts out a fire.
Further, in the thermal regeneration equipment fire emergency method:
step S001 is performed before step S1: it is determined whether the thermal regeneration device is in a production phase or a shutdown phase.
Further, when the thermal regeneration equipment is in the production stage, the fire emergency method for the thermal regeneration equipment comprises the following steps:
step S01 is performed before step S1: when the temperature of the roller 1 is detected to exceed a first preset range, the combustion device 4 stops combustion;
and/or, before the step S1, executing a step S02: when the tail gas temperature of the roller 1 is detected to exceed a second preset range, the combustion device 4 stops combustion;
and/or, after step S3, performing step S4: the fire extinguishing device 6 is closed, the fire stopping device 2 is moved to be separated from the opening of the roller 1, and the combustion device 4 is moved to be extended into the roller (1) again through the opening of the roller feeding end plate (7).
In the production stage, the roller 1 catches fire in two situations, namely, when the reclaimed materials enter the roller 1 from the roller feeding end plate, the reclaimed materials can catch fire due to contact with flame; and due to the fact that a feed inlet in the roller 1 is blocked, reclaimed materials in the roller 1 cannot flow, so that the temperature is increased, and fire is caused.
Above two kinds of circumstances, the temperature that all can all respond to through temperature-sensing device surpasss when presetting the temperature, sends the warning, through controller control burner 4 stop burning work, and control mobile device 5 drive burner 4 breaks away from cylinder feeding end plate 7 (break away from inside 1 cylinder promptly), then, controller control keeps off fire device 2 and carries out the shutoff to the opening, and controller control extinguishing device 6 puts out a fire to cylinder 1 simultaneously.
It should be noted that, the temperature sensing device senses that the temperature of the tail gas of the drum 1 or the temperature of the inner drum wall of the drum 1 exceeds the corresponding preset range, and may send a signal to the controller, and the controller sends a first closing signal to the combustion device 4 and a first moving signal to the moving device 5, and controls the combustion device 4 to extinguish and exit from the drum feeding end plate 7. When the in-place signal is acquired, the controller sends a second signal to the power device 22 in the fire stopping device 2, so that the power device 22 drives the fire stopping member 21 to block the opening, and when the power device 22 is started, the controller sends a third signal to the fire extinguishing device 6 to control the switch valve 62 to be automatically opened so as to extinguish the fire of the roller 1. The in-position signal is a position signal when the combustion device 4 is separated from the drum feed end plate 7, and the gap distance between the combustion device 4 and the separation surface of the drum feed end plate 7 is between 20 mm and 30 mm.
When the temperature that temperature sensing device sensed reduced, controller control extinguishing device 6 closed, and fire blocking device 2 breaks away from the opening, and then burner 4 stretches into cylinder 1 again and dries the material. The automation from the whole process of finding the fire to the process of extinguishing the fire to the process of enabling the equipment to enter the working state again is realized, time and labor waste caused by manual execution of a series of operations are avoided, and the transmission accuracy can be ensured.
Further, when the thermal regeneration equipment is in the shutdown stage, the thermal regeneration equipment fire emergency method comprises the following steps:
step S01 is performed before step S1: detecting that the temperature of the roller 1 exceeds a first preset range;
and/or, before step S1, performing step S02: detecting that the temperature of the tail gas of the roller 1 exceeds a second preset range;
and/or, before step S1, performing step S03: detecting the presence of a flame inside the drum 1;
and/or, after step S3, performing step S4: the fire extinguishing device 6 is closed, the fire stopping device 2 is moved to be separated from the opening of the roller 1, and the combustion device 4 is moved to be extended into the roller (1) again through the opening of the roller feeding end plate (7).
In the off-line stage, hot regeneration facility can stop the feeding earlier, then reduce a fire, the temperature rising also can appear in the reworked material of cylinder 1 inside, arouse the condition of catching fire, the temperature through the temperature-sensing device response surpasss and predetermines the temperature, perhaps flame detector detects flame, send the warning, 5 drive burner 4 through controller control mobile device 5 stretch out cylinder feeding end plate 7, then, controller control fire blocking device 2 blocks off the opening, controller control extinguishing device 6 puts out a fire to cylinder 1 simultaneously.
It should be noted that, when the temperature sensing device senses the temperature of the tail gas of the drum 1 or the temperature of the inner wall of the drum 1, or the flame detection device 33 detects a flame, a signal may be sent to the controller, and the controller sends a first moving signal to the moving device 5, so as to drive the combustion device 4 to exit from the drum feeding end plate 7 (i.e., exit from the inside of the drum 1). When the in-place signal is acquired, the controller sends a second signal to the power device 22 in the fire stopping device 2, so that the power device 22 drives the fire stopping member 21 to block the opening, and when the power device 22 is started, the controller sends a third signal to the fire extinguishing device 6 to control the switch valve 62 to be automatically opened so as to extinguish the fire of the roller 1. The in-position signal is a position signal when the combustion device 4 is separated from the drum feed end plate 7, and the gap distance between the combustion device 4 and the separation surface of the drum feed end plate 7 is between 20 mm and 30 mm.
When the temperature that temperature sensing device sensed reduces and flame detection device 33 can not detect flame, controller control extinguishing device 6 closes, and keep off fire device 2 and break away from the opening, then burner 4 can stretch into cylinder feeding end plate 7 once more and dry the material of next batch. The automation of the whole process from the discovery of the fire to the extinguishment to the re-entering of the equipment into the working preparation state is realized, the time and labor waste caused by the manual execution of a series of operations are avoided, and the transmission accuracy can be ensured.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. The utility model provides a heat regeneration equipment, includes cylinder (1) and is located cylinder feeding end plate (7) of cylinder (1) one end, be provided with the opening on cylinder feeding end plate (7), its characterized in that still includes firestop device (2), firestop device (2) include:
a firestop member (21) for blocking the opening in the event of a fire in the drum (1);
a drive assembly for driving the firestop member (21) to a working position for blocking the opening and for driving the firestop member (21) to move away from the working position for disengaging the opening.
2. The thermal regeneration device of claim 1, wherein the drive assembly comprises: a power unit (22), a connecting rod (23) and a support (24), wherein:
the support (24) is positioned on the roller feeding end plate (7) and is fixedly connected with the roller feeding end plate;
the connecting rod (23) is provided with a first connecting position, a second connecting position and a third connecting position along the axial direction, the first connecting position is fixedly connected with the fire blocking component (21), the second connecting position is hinged with the support (24), and the third connecting position is in transmission connection with the power device (22);
the power device (22) is used for driving the connecting rod (23) to rotate for a preset angle by taking the support (24) as a rotation center so as to drive the fire stopping component (21) to move to the working position or drive the fire stopping component (21) to move away from the working position.
3. The heat regeneration device according to claim 2, further comprising an arc-shaped guide groove (25) and a first slider (26), wherein:
the arc-shaped guide groove (25) is arranged on the roller feeding end plate (7), and the arc-shaped circle center of the arc-shaped guide groove is the rotation center of the connecting rod (23);
one end of the first sliding block (26) is in sliding fit with the arc-shaped guide groove (25), and the other end of the first sliding block is connected with the connecting rod (23).
4. The thermal regeneration apparatus according to claim 1, further comprising a discharge bin connected to the other end of the drum, and a detection device (3) for monitoring whether a fire in the drum (1) occurs, the detection device (3) comprising:
a first temperature sensing means (31) for detecting the temperature inside the drum (1);
and/or a second temperature sensing device (32) for detecting the temperature of the tail gas at the joint of the roller (1) and the discharge box;
and/or flame detection means (33) for detecting the presence of a flame inside said drum (1).
5. The thermal regeneration device of claim 1, further comprising:
a combustion device (4) adapted to the opening for providing heat to the material in the drum (1);
-movement means (5) for controlling at least part of said combustion means (4) to protrude through said opening into the interior of said drum (1);
alternatively, the combustion means (4) are controlled away from the opening to exit entirely inside the drum (1).
6. The thermal regeneration device according to claim 5, wherein the moving means (5) comprises a motor (51) and a lead screw, wherein:
a screw rod (52) in the screw rods is driven by the motor (51) to rotate;
and a screw nut in the screw is connected with the combustion device (4) through a second sliding block (53) so as to drive the combustion device (4) to move along the axial direction of the screw.
7. The heat regeneration device according to claim 6, characterized in that said moving means (5) further comprise:
the guide rail is arranged along the axial direction of the roller (1), the guide rail is connected with the combustion device (4) in a sliding mode, and the motor (51) drives the combustion device (4) to reciprocate along the length direction of the guide rail through the screw rod (52);
the first switch device is arranged at a preset position, close to one end of the motor (51), of the guide rail, when the combustion device (4) runs to the preset position and touches the first switch device, the first switch device sends a signal to the fire blocking device (2), and the fire blocking device (2) is started.
8. Heat regeneration device according to claim 7, characterized in that said movement means (5) further comprise second switch means arranged at the end of said guide rail remote from said motor (51), said second switch means being adapted to limit the depth of the frontmost end of said combustion means (4) protruding inside said drum (1).
9. A heat regeneration device according to claim 1, characterized by a fire extinguishing means (6), said fire extinguishing means (6) comprising:
a tank (61) for storing a fire extinguishing medium;
a pipeline (63), one end of which is communicated with the roller (1), and the other end of which is connected with the storage tank (61);
and the switch valve (62) is arranged on the pipeline (63) or at the outlet of the storage tank (61).
10. An asphalt mixing plant, characterized in that it comprises a thermal regeneration plant according to any one of claims 1 to 9.
11. An emergency method for fire accident of thermal regeneration equipment is characterized by comprising the following steps:
s1: the combustion device (4) is separated from an opening arranged on a roller feeding end plate (7);
s2: the opening is blocked by a fire blocking device (2);
s3: the fire extinguishing device (6) extinguishes the interior of the roller (1).
12. The thermal regeneration equipment fire emergency method of claim 11, wherein, in a production phase:
step S01 is performed before step S1: detecting that the temperature of the roller (1) exceeds a first preset range, and stopping the combustion work of the combustion device (4);
and/or, before step S1, performing step S02: detecting that the temperature of the tail gas of the roller (1) exceeds a second preset range, and stopping the combustion work of the combustion device (4);
and/or, after step S3, performing step S4: closing the fire extinguishing device (6), moving the fire blocking device (2) to be separated from the opening of the roller feeding end plate (7), and moving the combustion device (4) to be re-extended into the roller (1) through the opening of the roller feeding end plate (7).
13. The thermal regeneration equipment fire emergency method as claimed in claim 11, wherein, in a production stop stage:
step S01 is performed before step S1: detecting that the temperature of the drum (1) exceeds a first preset range;
and/or, before the step S1, executing a step S02: detecting that the temperature of the tail gas of the roller (1) exceeds a second preset range;
and/or, before step S1, performing step S03: -detecting the presence of a flame inside said drum (1);
and/or, after step S3, performing step S4: closing the fire extinguishing device (6), moving the fire stopping device (2) to be separated from the opening of the roller feeding end plate (7), and moving the combustion device (4) to be re-extended into the roller (1) through the opening of the roller feeding end plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210910969.7A CN115323869A (en) | 2022-07-29 | 2022-07-29 | Thermal regeneration equipment, fire emergency method thereof and asphalt stirring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210910969.7A CN115323869A (en) | 2022-07-29 | 2022-07-29 | Thermal regeneration equipment, fire emergency method thereof and asphalt stirring equipment |
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| CN115323869A true CN115323869A (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210910969.7A Pending CN115323869A (en) | 2022-07-29 | 2022-07-29 | Thermal regeneration equipment, fire emergency method thereof and asphalt stirring equipment |
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