CN114130549A - Horizontal screw centrifuge slag notch safety arrangement - Google Patents
Horizontal screw centrifuge slag notch safety arrangement Download PDFInfo
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- CN114130549A CN114130549A CN202111435478.3A CN202111435478A CN114130549A CN 114130549 A CN114130549 A CN 114130549A CN 202111435478 A CN202111435478 A CN 202111435478A CN 114130549 A CN114130549 A CN 114130549A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
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Abstract
The invention provides a slag hole safety protection device of a horizontal screw centrifuge, which comprises a slag discharge pipe, a sleeve, a material distributing and blocking mechanism, a slag hopper cover and a slag hopper. One end of the slag discharge pipe is fixedly connected with a slag outlet of the horizontal screw centrifuge; the sleeve is arranged on the discharge end of the slag discharge pipe, one end of the sleeve is combined with the outer wall of the discharge end of the slag discharge pipe to form a gas discharge cavity, and an exhaust port of the gas discharge cavity is connected with the exhaust pipe; the material distributing and stopping mechanism is arranged in the sleeve and is positioned on the lower side of the discharge end of the slag discharge pipe; the slag bucket cover is arranged at one end of the sleeve close to the material distributing and blocking mechanism; the slag bucket cover comprises at least four turnover baffle curtains, and the side edges of two adjacent baffle curtains are mutually abutted; the top end opening of the slag bucket is arranged in the slag bucket cover. The device passes through the cooperation of sediment fill lid and branch material stock stop, has solved the oil residue spill and the sediment fill change, remove the problem that is hindered by the sediment fill lid and poisonous and harmful gas spills over.
Description
Technical Field
The invention relates to the technical field of coal tar centrifugal separation and deslagging, in particular to a slag outlet safety protection device of a horizontal screw centrifuge.
Background
The central pretreatment device of the oil product adopts an internal advanced novel coal tar processing technology: coal tar centrifugal separation deslagging, coal tar filtering, enhanced salt washing, coalescence dehydration desalting and centrifugal flash evaporation treatment technology, so that the pretreated raw material meets the feeding requirement of a fluidized bed hydrogenation unit; in the process, a three-phase high-efficiency horizontal screw centrifuge is adopted in the process of centrifugally separating and deslagging the coal tar raw material, after the material is sent into the centrifuge, the coal tar, water and solid slag are separated by centrifugal force generated by a high-speed rotating drum in the centrifuge, and the solid slag is conveyed to a slag discharge port along the inner wall of the drum through a screw to be discharged; the water (light phase) is in the innermost layer of the rotary drum and is discharged through a water outlet; the coal tar (heavy phase) is arranged on the outer layer of the rotary drum and is discharged through a coal tar discharge port.
However, when a horizontal screw centrifuge is used, solid slag and a water phase are required to be discharged by gravity, and a discharge port must be normal pressure, so that the overall design and layout are high (about 15 meters) in the position layout of the centrifuge and the slag discharge port is open, and the following problems can be caused:
1. coal tar oil residue has some oil residue to spatter out through sediment fill lid and sediment fill clearance when dropping to the sediment fill, causes the greasy dirt pollution such as device factory building ground, wall, equipment, pipeline, and is difficult to clean, and this is maintained and is made with the 6S standard to the daily health of team personnel and has caused very big influence, also can influence the whole looks of company simultaneously.
2. The temperature of the coal tar is maintained at 85 ℃ when the coal tar enters a horizontal screw centrifuge, and at the moment, toxic and harmful gases are volatilized and overflow through a slag discharge port, so that post operators can inspect on site and influence the health or poisoning of the post operators by contacting the coal tar for a long time during operation, and meanwhile, the influence on the overall environment on the site is huge.
3. When the site is reformed every time, besides cleaning by team and team personnel, exterior commission constructors are required to perform heat preservation replacement on a factory building and renovate and paint on the equipment wall surface, and a large part of capital investment is also caused.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a slag outlet safety protection device of a horizontal screw centrifuge, which solves the problems that oil slag is splashed out, a slag hopper is replaced and moved, a slag hopper cover blocks the movement of the slag hopper, and toxic and harmful gases overflow.
In order to achieve the above object, the technical solution of the present invention is as follows.
A horizontal screw centrifuge slag notch safety arrangement includes:
one end of the slag discharge pipe is fixedly connected with a slag outlet of the horizontal screw centrifuge;
the sleeve is arranged at the discharge end of the slag discharge pipe, one end of the sleeve is combined with the outer wall of the discharge end of the slag discharge pipe to form a gas discharge cavity, and an exhaust port of the gas discharge cavity is connected with the exhaust pipe;
the material distributing and stopping mechanism is arranged in the sleeve and is positioned on the lower side of the discharge end of the slag discharge pipe;
the slag bucket cover is arranged at one end of the sleeve close to the material distributing and blocking mechanism; the slag bucket cover comprises at least four turnover baffle curtains, and the side edges of two adjacent baffle curtains are mutually abutted;
and the top end opening of the slag hopper is arranged in the slag hopper cover.
Further, divide material stock stop includes:
the mounting frame is configured at one end, close to the slag bucket cover, of the sleeve;
a cylinder disposed on an upper side of the mounting frame;
the movable cylinder is rotatably arranged in the cylinder body, and along with the rotation of the movable cylinder, the distance between the side wall of the movable cylinder and the inner wall of the cylinder body is gradually reduced or increased;
one end of the rotating shaft is eccentrically arranged on the movable column body, and the other end of the rotating shaft is rotatably arranged on the mounting frame;
and the driving part is arranged on the mounting rack and can drive the rotating shaft to rotate.
Still further, the mount includes:
the fixing ring is sleeved at one end of the rotating shaft and is rotatably connected with one end of the rotating shaft;
the mounting arms are at least three, one end of each mounting arm is fixedly connected with the fixing ring, and the other end of each mounting arm is fixedly connected with the sleeve.
Furthermore, the movable cylinder is a triangular prism, and the side wall of the movable cylinder is arc-shaped; and the top of the movable column body is provided with a circular arc-shaped top plate.
Furthermore, a guide chute is arranged on the upper side of the cylinder body, one end of the guide chute is fixedly connected with the cylinder body, and the other end of the guide chute is fixedly connected with the inner wall of the sleeve; the thickness of the guide chute is gradually increased along the solid slag discharging direction.
Furthermore, the bottom center of activity cylinder is provided with the cylindricality cell body, the cylindricality cell body is equipped with the grafting accessory, be provided with the eccentric orfice of skew center on the grafting accessory, the axis of rotation is pegged graft and is disposed in the eccentric orfice.
Further, the slag bucket cover still includes the lid of infundibulate, the quantity of baffle curtain is four, and set up respectively in around the lid, every the top of baffle curtain all with the lateral margin of lid is articulated.
Furthermore, one side of each baffle curtain is hinged with an iron sheet, the inner wall of the other side of each baffle curtain is pasted with a magnet sheet, and the lateral edges of the two adjacent baffle curtains are magnetically attracted and connected with each other.
Further, a sound prompt mechanism is arranged on the inner wall of the upper end of the slag hopper and used for providing sound prompt; the voice prompt mechanism includes:
one end of the pressing plate is hinged with the inner wall of the upper end of the slag hopper;
one end of the hollow shaft sleeve is fixedly connected with the inner wall of the slag hopper, and the other end of the hollow shaft sleeve is connected with the other end of the pressing plate through a spring;
one end of the trigger rod is hinged with the other end of the pressure plate, and the other end of the trigger rod penetrates through the spring and extends into the hollow shaft sleeve;
the alarm starter is arranged in the hollow shaft sleeve and is electrically connected with the alarm system;
when the pressing plate pushes one end of the trigger rod to move along the inner cavity of the hollow shaft sleeve and is attached to the alarm starter, the alarm starter starts and triggers the alarm system.
Still further, the alarm system includes: the alarm device comprises a power supply, a microprocessor, a timer and an alarm, wherein the power supply is electrically connected with the microprocessor, the timer and the alarm respectively;
when the alarm starter is started and the alarm system is triggered, the timer starts timing and sends recorded time data t to the microprocessor, and the microprocessor can receive the time data t sent by the timer and set the time data t0Comparing, when t is more than or equal to t0And when the alarm is started, the microprocessor controls the alarm to start and send out a sound prompt.
The invention has the beneficial effects that:
1. the device completely prevents the oil residue from impacting and splashing too much after falling into the residue bucket under the action of gravity through the residue bucket cover, reduces the workload of on-site sanitary cleaning of personnel, and avoids frequent heat preservation and replacement of a factory building and paint brushing for equipment and wall surface renovation; meanwhile, the cover of the slag bucket is prevented from being manually lifted by an operator when the slag bucket is replaced, so that the work is simpler, and the labor is saved; more importantly, the transformation reduces the overflow of toxic and harmful gases and ensures the safety of personnel.
2. On one hand, the material distributing and blocking mechanism can block toxic and harmful gases, so that the gases entering the slag discharge pipe enter the gas discharge cavity after being blocked by the material distributing and blocking mechanism and then are discharged by the exhaust pipe; on the other hand can carry out orderly mixed unloading to the dregs of fat for remain partial dregs of fat solid phase at the sheathed tube bottom in the in-process of unloading, not only can further form to gaseous stopping, can also avoid the jam phenomenon that the dregs of fat solid phase caused because of piling up. Through the matching of the material distributing and blocking mechanism and the slag bucket cover, the solid oil slag phase falls into the slag bucket, so that the overflow of toxic and harmful gases is reduced, and the influence on the health or poisoning of people due to the long-time contact is prevented; the outsourcing construction special operation is reduced, the risk potential of the special operation is avoided, and meanwhile, the accident that equipment is shut down or a device is shut down due to misoperation in the operation process is avoided; the slag bucket cover is lifted manually when the slag is replaced, the oil slag splashes to eyes and bodies of operators, and meanwhile, the injury of the forklift to the operators during operation is avoided.
3. The device can reduce the workload of operators and simultaneously reduce the input of cleaning tools and solvents; the loss in the aspects of manpower, materials, outsourcing construction investment, cleaning tool consumption and the like is reduced. The splashing of the oil residues is limited, and the cleanness and sanitation of the ground, the wall surface, equipment, pipelines and the like of the factory building can be kept; the toxic and harmful gas overflow is reduced, and the environmental pollution is avoided.
Drawings
Fig. 1 is a schematic structural view of a slag hole safety protection device of a horizontal decanter centrifuge in an embodiment of the invention.
Fig. 2 is a sectional schematic view of a slag hole safety protection device of a horizontal screw centrifuge in the embodiment of the invention.
Fig. 3 is a partially enlarged structural view of a portion a in fig. 2.
Fig. 4 is a sectional view in the direction of D-D' in fig. 2.
Fig. 5 is a schematic structural diagram of a mounting frame in an embodiment of the invention.
Fig. 6 is a partially enlarged structural view of a portion B in fig. 2.
FIG. 7 is a block diagram of the alarm system in an embodiment of the present invention.
Fig. 8 is a schematic structural view of a barrier curtain in an embodiment of the present invention.
In the figure: 1. a slag discharge pipe; 2. a sleeve; 3. a material distributing and blocking mechanism; 31. a mounting frame; 311. a fixing ring; 312. mounting an arm; 32. a barrel; 33. a movable column; 331. a cylindrical tank body; 34. a rotating shaft; 35. a drive member; 36. a material guide chute; 37. a plug-in fitting; 371. an eccentric hole; 4. a slag bucket cover; 41. a shutter curtain; 411. iron sheets; 412. a magnet piece; 42. a cover body; 5. a slag hopper; 6. a gas discharge chamber; 7. an exhaust pipe; 8. a voice prompt mechanism; 81. pressing a plate; 82. a trigger lever; 83. a hollow shaft sleeve; 84. a spring; 85. an alarm starter; 86. an alarm system; 861. a power source; 862. a microprocessor; 863. a timer; 864. an alarm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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.
Referring to fig. 1 to 8, a slag hole safety protection device for a horizontal screw centrifuge includes a slag discharge pipe 1, a sleeve 2, a material separating and blocking mechanism 3, a slag hopper cover 4 and a slag hopper 5.
One end of the slag discharge pipe 1 is fixedly connected with a slag outlet of the horizontal screw centrifuge; the outer part of the slag discharging pipe 1 is sleeved with a protective sleeve. The sleeve 2 is arranged on the discharge end of the slag discharging pipe 1, one end of the sleeve 2 and the outer wall of the discharge end of the slag discharging pipe 1 are combined to form a gas discharge cavity 6, and an exhaust port of the gas discharge cavity 6 is connected with an exhaust pipe 7. Specifically, the discharge end of the slag discharging pipe 1 extends into the sleeve 2, so that the slag discharging pipe 1 and a part of the sleeve 2 are combined to form a gas discharge cavity 6. The opening of the exhaust pipe 7 is opposite to the slag discharging pipe 1.
The material distributing and stopping mechanism 3 is arranged in the sleeve 2 and is positioned at the lower side of the discharge end of the slag discharge pipe 1. The slag bucket cover 4 is arranged at one end of the sleeve 2 close to the material distributing and blocking mechanism 3. When the oil residue enters the sleeve 2 through the residue discharge pipe 1, the oil residue is blocked between the discharge end of the residue discharge pipe 1 and the material distributing and blocking mechanism 3 by the material distributing and blocking mechanism 3 to form an oil residue layer. Along with the operation of the material separating and blocking mechanism 3, the oil residue blocked therein gradually falls into the slag bucket cover 4. Meanwhile, poisonous and harmful gas discharged along with the oil residue enters the gas discharge cavity 6 due to the blockage of the oil residue layer on the upper side of the material distributing and blocking mechanism 3 and is discharged by the exhaust pipe 7.
In the embodiment, the material distributing and blocking mechanism 3 can block the toxic and harmful gases, so that the gases entering the slag discharge pipe 1 are blocked by the material distributing and blocking mechanism 3, enter the gas discharge cavity 6 and are discharged by the gas discharge pipe 7; on the other hand can carry out orderly mixed unloading to the dregs of fat for remain partial dregs of fat solid phase at the bottom of sleeve pipe 2 in the in-process of unloading, not only can further form to gaseous stopping, can also avoid the jam phenomenon that the dregs of fat solid phase caused because of piling up. Through the matching of the material distributing and blocking mechanism 3 and the slag hopper cover 4, the solid phase of the oil slag falls into the slag hopper 5, so that the overflow of toxic and harmful gases is reduced, and the influence on the health or the poisoning of people due to the long-time contact is prevented; the outsourcing construction special operation is reduced, the risk potential of the special operation is avoided, and meanwhile, the accident that equipment is shut down or a device is shut down due to misoperation in the operation process is avoided; the slag bucket cover is lifted manually when the slag is replaced, the oil slag splashes to eyes and bodies of operators, and meanwhile, the injury of the forklift to the operators during operation is avoided.
Referring to fig. 1, the slag hopper cover 4 includes at least four turnable baffle curtains 41, and the side edges of two adjacent baffle curtains 41 are abutted to each other; the top end opening of the slag hopper 5 is arranged in the slag hopper cover 4. Wherein, the installation height requirement of the baffle curtain 41 which can be folded on the slag bucket cover 4 is as follows: the baffle curtain 41 completely shields the upper edge of the slag bucket 5, so that oil residue can be prevented from splashing, and meanwhile, the lifting height of the forklift when the slag bucket 5 is replaced is enough to avoid the collision of the slag bucket 5 and the slag bucket cover 4. Therefore, a certain distance is reserved between the slag hopper 5 and the slag hopper cover 4, and the four foldable baffle curtains 41 are abutted to the periphery of the slag hopper 5. When the baffle curtains 41 are turned over, collision and blocking between the baffle curtains are avoided, otherwise, turning over is not flexible or the height is insufficient, and the slag hopper 5 cannot be taken out smoothly; lubricating grease is periodically filled at the hinge part of the baffle curtain 41 to prevent long-time corrosion and blockage; the oil stains splashed on the baffle curtain 41 are regularly cleaned, and the oil stains are prevented from being accumulated to flow to the ground to cause pollution or being adhered to cause inflexible turning.
In the embodiment of the invention, the outer edges of the periphery of the original slag bucket cover 4 are respectively added with a turnover baffle plate curtain 41, and the lower edge of the baffle plate curtain 41 covers the upper edge of the slag bucket 5 to prevent oil slag from splashing; simultaneously fill in the sediment fill 5, when changing sediment fill 5, the baffle curtain 41 can be along with the sediment fill 5 upper edge lift, does not influence the sediment fill 5 and takes out, and this transformation has solved the problem that the dregs of fat spill and sediment fill 5 change, removal are hindered by sediment fill lid 4 simultaneously. According to 3-6 months per time, the frequency of replacing part of heat preservation, equipment and renewing and brushing the paint on the wall surface is calculated, and the workload of heat preservation of at least 600 square meters and brushing the paint on 1200 square meters can be reduced every year; the workload of operators is reduced, and meanwhile, the input amount of cleaning tools and solvents is reduced; therefore, the invention reduces the loss in various aspects such as manpower, materials, outsourcing construction investment, cleaning tool consumption and the like.
Referring to fig. 2 to 5, the material separating and blocking mechanism 3 includes a mounting frame 31, a cylinder 32, a movable cylinder 33, a rotating shaft 34 and a driving member 35.
The mounting frame 31 is arranged at one end of the sleeve 2 close to the slag hopper cover 4; the mounting frame 31 is fixedly connected with the inner wall of the casing 2. The mounting bracket is arranged to support the cylinder 32 on the one hand and to provide support for the operation of the drive member 35 on the other hand. Specifically, as shown in fig. 5, the mount 31 includes a fixing ring 311 and a mount arm 312. The fixing ring 311 is sleeved at one end of the rotating shaft 34 and is rotatably connected with one end of the rotating shaft 34; the mounting arms 312 have at least three, and one end thereof is fixedly connected to the fixing ring 311, and the other end thereof is fixedly connected to the sleeve 2. Three mounting arms 312 divide the interior cavity of cannula 2 to form three discharge channels. Along with the operation of the material distributing and blocking mechanism 3, the oil slag on the upper side of the material distributing and blocking mechanism 3 gradually passes through the corresponding discharging channel and enters the slag hopper 5.
The cylinder 32 is disposed above the mount 31; and is fixedly connected with the mounting bracket 31. The movable cylinder 33 is rotatably disposed in the cylinder 32, and as the movable cylinder 33 rotates, the distance between the side wall of the movable cylinder 33 and the inner wall of the cylinder 32 gradually decreases or increases; so can carry out orderly mixed unloading to the dregs of fat, avoid the dregs of fat solid phase because of piling up the jam phenomenon that causes in sleeve pipe 2.
One end of the rotating shaft 34 is eccentrically disposed on the movable cylinder 33, so that the distance between the sidewall of the movable cylinder 33 and the inner wall of the cylinder 32 is continuously changed along with the rotation of the movable cylinder 33, which facilitates the mixing and blanking of the oil and slag phases. The other end of the rotating shaft 34 is rotatably provided on the mounting bracket 31. Of course, the mounting frame 31 is further provided with a support body, the support body is sleeved outside the rotating shaft 34, the movable column 33 is rotatably disposed on the support body, and the support body is mainly configured to provide support for the movable column 33, so that the movable column 33 can stably rotate on the mounting frame 31.
The driving member 35 is provided on the mounting bracket 31, and the driving member 35 can drive the rotation shaft 34 to rotate. For example, the driving part 35 includes a motor and a driving shaft, and the motor is disposed at one end of the driving shaft and is fixedly connected to the sleeve. The driving shaft is rotatably connected with the mounting frame 31, a worm is arranged on the driving shaft, and a worm wheel is arranged at one end of the rotating shaft 34 and meshed with the worm in a tooth form. The motor is activated and the output shaft of the motor is able to rotate the drive shaft, which in turn rotates the shaft 34.
When in use, the driving part 35 drives the rotating shaft 34 to rotate, and the rotating shaft is eccentrically arranged on the movable cylinder 33, so that the distance between the side wall of the movable cylinder 33 and the inner wall of the cylinder 32 is gradually reduced or increased; so can carry out orderly mixed unloading to the dregs of fat, avoid the dregs of fat solid phase because of piling up the jam phenomenon that causes in sleeve pipe 2.
Referring to fig. 4, in the present embodiment, the movable column 33 is a triangular prism, and the side wall thereof is arc-shaped; the top of the movable column 33 is provided with a circular arc top plate. Set the 33 bodies of activity post to triangular prism body structure, not only can increase the interval between triangular prism body lateral wall and the sleeve pipe 2 inner wall, can also make the effect of triangular prism body's arris performance stirring, make the solid looks of dregs of fat mix the stirring, avoid because of piling up the jam phenomenon who causes. The arc-shaped top plate is not only beneficial to the solid phase of the oil residue to slide towards the peripheral side of the triangular prism, but also can change the moving direction of the poisonous and harmful gas discharged along with the oil residue, and is beneficial to the separation and discharge of the gas phase.
Referring to fig. 3, a material guiding groove 36 is disposed on the upper side of the cylinder 32, one end of the material guiding groove 36 is fixedly connected with the cylinder 32, and the other end of the material guiding groove 36 is fixedly connected with the inner wall of the casing 2; the thickness of the material guide chute 36 is gradually increased along the solid slag discharging direction. As shown in fig. 4, the barrel 32 and the casing 2 have gaps at four corners, and the material guiding chute 36 is arranged to seal the gaps and facilitate the solid phase of the oil residue to slide into the inner cavity of the barrel 32 along the material guiding chute 36. The inner wall of the material guide groove 36 is concave cambered surface.
The bottom center of the movable column 33 is provided with a column-shaped groove 331, the insertion fitting 37 is assembled in the column-shaped groove 331, the insertion fitting 37 is provided with an eccentric hole 371 deviating from the center, and the rotating shaft 34 is inserted and arranged in the eccentric hole 371. Thereby eccentrically rotating the movable cylinder 33.
Referring to fig. 1 and 8, the slag bucket cover 4 further includes a funnel-shaped cover body 42, the number of the baffle curtains 41 is four, and the baffle curtains are respectively disposed around the cover body 42, and the top end of each baffle curtain 41 is hinged to the side edge of the cover body 42.
In order to further enhance the protection effect on the slag hopper 5, one side of each baffle curtain 41 is hinged with an iron sheet 411, the inner wall of the other side of each baffle curtain is attached with a magnet sheet 412, and the side edges of two adjacent baffle curtains 41 are magnetically attracted to each other. Through the magnetic attraction connection of the magnet pieces 412 and the iron pieces 411, the baffle curtain 41 can be attached to the periphery of the slag hopper 5, the protection effect is improved, and the oil residue splashing phenomenon is avoided.
Referring to fig. 6 and 7, a sound prompt mechanism 8 is arranged on the inner wall of the upper end of the slag bucket 5, and when the inner cavity of the slag bucket 5 is filled with solid oil slag in the slag bucket 5, the sound prompt mechanism 8 can be used for providing sound prompt so as to replace the slag bucket 5. The sound prompt mechanism 8 includes: a pressure plate 81, a trigger bar 82, a hollow boss 83, a spring 84, an alarm actuator 85 and an alarm system 86.
One end of the pressure plate 81 is hinged with the inner wall of the upper end of the slag hopper 5; one end of the hollow shaft sleeve 83 is fixedly connected with the inner wall of the slag hopper 5, and the other end of the hollow shaft sleeve 83 is connected with the other end of the pressing plate 81 through a spring 84; one end of the trigger rod 82 is hinged with the other end of the pressure plate 81, and the other end of the trigger rod 82 passes through the spring 84 and extends into the hollow shaft sleeve 83; the alarm starter 85 is arranged in the hollow shaft sleeve 83, and the alarm starter 85 is electrically connected with the alarm system 86; when the pressure plate 81 pushes one end of the trigger rod 82 along the inner cavity of the hollow shaft housing 83 and engages the alarm actuator 85, the alarm actuator 85 activates and triggers the alarm system 86.
In particular, such asIn fig. 7, the alarm system 86 includes a power source 861, a microprocessor 862, a timer 863 and an alarm 864, wherein the power source 861 is electrically connected to the microprocessor 862, the timer 863 and the alarm 864 respectively; when the alarm starter 85 is started and triggers the alarm system 86, the timer 863 starts timing and sends the recorded time data t to the microprocessor 862, and the microprocessor 862 can receive the time data t sent by the timer 863 and compare the time data t with the set time data t0Comparing, when t is more than or equal to t0The microprocessor 862 controls the alarm 864 to activate and sound.
In the embodiment, when the oil residue falls into the residue hopper, the oil residue collides with the pressing plate 81, so that the pressing plate 81 deflects, and the alarm system 6 is triggered with a high probability. In order to avoid mistakenly considering that the slag hopper 5 is filled after the alarm system 6 is triggered, a timer 863 and a microprocessor 862 are additionally arranged in the alarm system 6. The time for triggering the alarm system 6 is counted by the falling of the oil residue, and time data t is set0When the trigger time is less than or equal to t0When the time is more than t, the description is that the oil residue is collided by mistake to trigger the alarm, and when the triggering time is more than t0During the process, the oil residue is directly filled in the residue hopper 5, the pressing plate 81 is deflected, the trigger rod 82 is directly pressed on the alarm starter 85 to trigger the alarm system 86, and a sound prompt is sent to prompt an operator to replace the residue hopper 5, so that the ground pollution and the environmental pollution caused by the overflow of the oil residue are avoided.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a spiral shell centrifuge slag notch safety arrangement crouches which characterized in that includes:
one end of the slag discharge pipe (1) is fixedly connected with a slag outlet of the horizontal screw centrifuge;
the sleeve (2) is arranged at the discharge end of the slag discharging pipe (1), one end of the sleeve is combined with the outer wall of the discharge end of the slag discharging pipe (1) to form a gas discharging cavity (6), and an exhaust port of the gas discharging cavity (6) is connected with an exhaust pipe (7);
the material distributing and blocking mechanism (3) is arranged in the sleeve (2) and is positioned on the lower side of the discharge end of the slag discharge pipe (1);
the slag bucket cover (4) is arranged at one end of the sleeve (2) close to the material distributing and blocking mechanism (3); the slag bucket cover (4) comprises at least four turnover baffle curtains (41), and the side edges of two adjacent baffle curtains (41) are mutually abutted;
and a slag hopper (5) having a top end opening disposed in the slag hopper cover (4).
2. The decanter centrifuge slag hole safety protection device of claim 1, wherein the material separating and blocking mechanism (3) comprises:
a mounting bracket (31) arranged at one end of the sleeve (2) close to the slag hopper cover (4);
a cylinder (32) disposed above the mounting frame (31);
the movable column body (33) is rotatably arranged in the cylinder body (32), and along with the rotation of the movable column body (33), the distance between the side wall of the movable column body (33) and the inner wall of the cylinder body (32) is gradually reduced or increased;
a rotating shaft (34) having one end eccentrically disposed on the movable column (33) and the other end rotatably disposed on the mounting bracket (31);
and the driving part (35) is arranged on the mounting frame (31), and the driving part (35) can drive the rotating shaft (34) to rotate.
3. A decanter centrifuge slag outlet safety protection device according to claim 2, wherein said mounting frame (31) comprises:
the fixing ring (311) is sleeved at one end of the rotating shaft (34) and is rotatably connected with one end of the rotating shaft (34);
and the mounting arms (312) are at least three, one end of each mounting arm is fixedly connected with the fixing ring (311), and the other end of each mounting arm is fixedly connected with the sleeve (2).
4. The decanter centrifuge slag hole safety protection device of claim 2, wherein the movable cylinder (33) is a triangular prism and the side wall thereof is arc-shaped; the top of the movable column (33) is provided with a circular arc-shaped top plate.
5. The slag hole safety protection device of the decanter centrifuge as claimed in claim 2, characterized in that a material guide groove (36) is arranged on the upper side of the cylinder (32), one end of the material guide groove (36) is fixedly connected with the cylinder (32), and the other end is fixedly connected with the inner wall of the casing (2); the thickness of the guide chute (36) is gradually increased along the solid slag discharging direction.
6. The slag hole safety protection device of the horizontal decanter centrifuge as claimed in claim 2, characterized in that the bottom center of the movable column (33) is provided with a cylindrical groove body (331), the cylindrical groove body (331) is internally provided with an insertion fitting (37), the insertion fitting (37) is provided with an eccentric hole (371) deviating from the center, and the rotating shaft (34) is inserted and arranged in the eccentric hole (371).
7. The safety protection device for the slag outlet of the horizontal decanter centrifuge as claimed in claim 1, wherein the slag hopper cover (4) further comprises a funnel-shaped cover body (42), the number of the baffle curtains (41) is four, the baffle curtains are respectively arranged around the cover body (42), and the top end of each baffle curtain (41) is hinged with the side edge of the cover body (42).
8. The safety protection device for the slag hole of the decanter centrifuge as claimed in claim 7, wherein each baffle curtain (41) is hinged with an iron sheet (411) on one side, a magnet sheet (412) is attached to the inner wall of the other side, and the side edges of two adjacent baffle curtains (41) are magnetically connected with each other.
9. The safety protection device for the slag outlet of the horizontal decanter centrifuge as claimed in claim 1, characterized in that the inner wall of the upper end of the slag hopper (5) is provided with a sound prompt mechanism (8) for providing sound prompt; the sound prompt mechanism (8) includes:
one end of the pressing plate (81) is hinged with the inner wall of the upper end of the slag hopper (5);
one end of the hollow shaft sleeve (83) is fixedly connected with the inner wall of the slag hopper (5), and the other end of the hollow shaft sleeve is connected with the other end of the pressure plate (81) through a spring (84);
a trigger rod (82), one end of which is hinged with the other end of the pressure plate (81), and the other end of which passes through the spring (84) and extends into the hollow shaft sleeve (83);
the alarm starter (85) is arranged in the hollow shaft sleeve (83), and the alarm starter (85) is electrically connected with an alarm system (86);
when the pressure plate (81) pushes one end of the trigger rod (82) to move along the inner cavity of the hollow shaft sleeve (83) and is attached to the alarm starter (85), the alarm starter (85) starts and triggers the alarm system (86).
10. A decanter centrifuge tapping safety protection device according to claim 9, wherein said alarm system (86) comprises: the alarm device comprises a power supply (861), a microprocessor (862), a timer (863) and an alarm (864), wherein the power supply (861) is electrically connected with the microprocessor (862), the timer (863) and the alarm (864) respectively;
when the alarm starter (85) is started and the alarm system (86) is triggered, the timer (863) starts timing and sends recorded time data t to the microprocessor (862), and the microprocessor (862) can receive the time data t sent by the timer (863) and compares the time data t with set time data t0Comparing, when t is more than or equal to t0And when the alarm is started, the microprocessor (862) controls the alarm (864) to start, and sound prompt is sent out.
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