CN107298268B - Method and device for transferring and unloading sealed container for holding hazardous waste under nitrogen-filled protection environment - Google Patents
Method and device for transferring and unloading sealed container for holding hazardous waste under nitrogen-filled protection environment Download PDFInfo
- Publication number
- CN107298268B CN107298268B CN201710612302.8A CN201710612302A CN107298268B CN 107298268 B CN107298268 B CN 107298268B CN 201710612302 A CN201710612302 A CN 201710612302A CN 107298268 B CN107298268 B CN 107298268B
- Authority
- CN
- China
- Prior art keywords
- power
- power roller
- seat
- roller way
- nitrogen charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 286
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 143
- 239000002920 hazardous waste Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 92
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 230000007704 transition Effects 0.000 claims abstract description 37
- 239000002699 waste material Substances 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000012546 transfer Methods 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000004880 explosion Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 230000002265 prevention Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F9/00—Transferring of refuse between vehicles or containers with intermediate storage or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2069—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
- B65D81/2076—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuse Collection And Transfer (AREA)
Abstract
The invention discloses a method and a device for transferring a closed container for holding hazardous waste under a nitrogen-filled protection environment, wherein the front end of a nitrogen-filled transferring chamber (3) of the transferring device is provided with a feeding sealing door (41), the rear end of the nitrogen-filled transferring chamber is provided with a discharging sealing door (42), an adjustable power roller way (5) is arranged in the chamber, the front end of the adjustable power roller way is connected with a tray (2) on a lifting platform of a lifter (1), the tray is provided with a container for holding hazardous waste, and the tray is led into the chamber; the rear part of the adjustable power roller way is provided with a carrier roller (54) and a carrier roller seat (55), and the carrier roller is arranged on the carrier roller seat; the adjustable power roller way can be adjusted horizontally and obliquely and can be conveyed forward and backward; when the adjustable power roller way is inclined downwards from the front end to the rear end, the tray and the dangerous waste container slide downwards to the rear end of the power roller way along the adjustable power roller way, the tray is blocked by the carrier roller seat, the dangerous waste container slides downwards along the carrier roller and falls into the transition storage bin (6), and the transition storage bin is positioned outside the rear end of the nitrogen charging and discharging chamber.
Description
Technical Field
The invention relates to the field of environment-friendly machinery, in particular to a method and a device for transferring and unloading a closed container for containing hazardous waste in a nitrogen-filled environment.
Background
Along with the rapid increase of the economy of China, the disposal quantity of dangerous wastes is increased year by year, and the threat to the environment is increased. Currently, in the aspect of hazardous waste treatment, incineration and landfill technologies are mainly adopted.
In a pretreatment system of hazardous waste disposal engineering mainly including incineration, hazardous waste is generally lifted to a certain height by a single bucket elevator in a container containing (with or without a cover), discharged into a transition bin, treated by a crusher and then burnt in a rotary kiln. This approach is more applicable to single, known hazardous waste, or mixed hazardous waste that does not cause accidents such as explosions, fires, etc. during the breaking process.
However, in the incineration disposal engineering, because of the wide source of dangerous waste, complex types, fluctuation of components, fire and explosion hazards exist, and peculiar smell escapes, so that the environmental pollution is caused.
Disclosure of Invention
The invention aims to provide a method and a device for transferring and unloading a sealed container for containing hazardous wastes under the protection of nitrogen filling, which can realize the transfer and unloading of mixed materials, have the functions of sealing, conveying, unloading, fire prevention, explosion prevention and the like, and have flexible arrangement, safety, reliability and high automation degree.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a method for transferring and unloading a closed container for holding hazardous waste under the environment of nitrogen filling protection comprises the following steps:
firstly, lifting a tray carrying a dangerous waste container to a nitrogen charging and discharging room floor from a ground feeding end by a guide rail type lifter through a lifting platform of a built-in power roller way;
secondly, a feeding sealing door of the nitrogen charging and discharging chamber is opened, a power roller way with a bidirectional conveying function arranged on a lifting platform is started, a tray carrying a dangerous waste container is gradually pushed to an adjustable power roller way which is in operation and in the nitrogen charging and discharging chamber, and the roller way can be adjusted horizontally and obliquely;
thirdly, the adjustable power roller way inputs the tray loaded with the container into a nitrogen charging and unloading chamber, and the tray is automatically stopped when meeting a roller seat at a set position; simultaneously, closing the feeding sealing door;
fourthly, nitrogen is injected into the nitrogen charging and discharging chamber, the nitrogen charging and discharging chamber stops after reaching the set value of the oxygen concentration, and a discharging sealing door which is normally closed is opened, at the moment, the nitrogen charging and discharging chamber and the transition bin are in the same low-oxygen concentration environment;
fifthly, under the action of a power device fixed on the ground of the nitrogen charging and discharging chamber, the power roller way body performs sinking or lifting action, so that the power roller way body is inclined downwards from the front end to the rear end, and the tray and the container have a sliding trend, wherein: the tray is blocked by the roller seat and is trapped on the roller path surface, the dangerous waste container is gradually inclined along with the power roller path body, slides from the tray to the rear carrier roller of the power roller path, and then accelerates the transition bin which is positioned outside the discharging sealing door and is in a nitrogen charging state to slide down;
sixthly, the discharging sealing door is closed, the nitrogen injection into the transferring chamber is stopped, the adjustable power roller way is reset, and the power roller way body returns to the initial position; the feeding sealing door is opened, the adjustable power roller way runs reversely, and a pallet intercepted on the power roller way is input into a lifting platform power roller way with the same elevation for standby and receiving actions;
seventh, the guide rail type lifter is started, and the lifting platform carrying the tray descends to the ground.
The device comprises a nitrogen charging and discharging chamber, a sealing door and an adjustable power roller way;
the front end of the nitrogen charging and discharging chamber is provided with a feeding sealing door, the rear end of the nitrogen charging and discharging chamber is provided with a discharging sealing door, an adjustable power roller way is arranged in the nitrogen charging and discharging chamber, the front end of the adjustable power roller way is connected with a tray on a lifting platform of an elevator positioned outside the front end of the nitrogen charging and discharging chamber, the tray is provided with a dangerous waste container, and the tray is led into the nitrogen charging and discharging chamber;
the adjustable power roller way comprises a power roller way body, a protective fence, a power device, a carrier roller seat, a rubber plate, a steering seat and a fixed seat;
guard rails are fixedly arranged on two sides of the power roller way machine body, a carrier roller and a carrier roller seat are arranged at the rear part of the power roller way machine body, the carrier roller is arranged on the carrier roller seat, and the carrier roller seat protrudes upwards; the bottom of the power roller way machine body is provided with a steering seat, and the bottom of the steering seat is fixed on the ground; the power roller way machine body is driven by a power device, one end of the power roller way machine body can rotate along the steering seat, the other end of the power roller way machine body is placed on the fixing seat, and a rubber plate is arranged at the top of the fixing seat; the power device is positioned between the fixed seat and the steering seat, and the adjustable power roller way can be adjusted horizontally and obliquely and can be conveyed forward and backward;
when the adjustable power roller way is inclined downwards from the front end to the rear end, the tray and the dangerous waste container slide downwards to the rear end of the adjustable power roller way along the adjustable power roller way, the tray is blocked by the roller seat, the dangerous waste container falls down to the transition bin after sliding downwards along the carrier roller, and the transition bin is positioned outside the rear end of the nitrogen charging and discharging chamber.
The two power devices are respectively arranged at two sides of the power roller bed machine body, the power devices are connected to the side parts of the power roller bed machine body through a force transmission support, the force transmission support is Z-shaped, the outer side of the upper part of the Z-shaped part of the force transmission support is a support, the support is connected with the output end of the power devices, the lower part of the Z-shaped part of the force transmission support is connected with the side parts of the power roller bed machine body, and the bottom of the power devices is connected with a second steering seat; the fixed seat, the power device and the steering seat are sequentially arranged from front to back, the power device is close to the fixed seat, and the power device pushes upwards to enable the power roller bed body to rotate along the steering seat.
The power device is arranged at the middle part of the bottom of the power roller bed machine body, the output end of the power device is connected with the power roller bed machine body, and the bottom of the power device is connected with the second steering seat; the fixed seat, the power device and the steering seat are sequentially arranged from front to back, and the power device is close to the fixed seat; the fixed seat and the steering seat have a certain height and are matched with the power device in height, and the power device pushes upwards to enable the power roller bed body to rotate along the steering seat.
The two power devices are respectively arranged at two sides of the power roller bed machine body, the power devices are connected to the side parts of the power roller bed machine body through a force transmission support, the force transmission support is Z-shaped, the outer side of the upper part of the Z-shaped part of the force transmission support is a support, the support is connected with the output end of the power devices, the lower part of the Z-shaped part of the force transmission support is connected with the side parts of the power roller bed machine body, and the bottom of the power devices is connected with a second steering seat; the steering seat, the power device and the fixed seat are sequentially arranged from front to back, and the power device is close to the fixed seat; the height of the steering seat is larger than that of the fixed seat, and the power device sinks downwards to enable the power roller way body to rotate along the steering seat.
The power device adopts an oil cylinder, an air cylinder or an electric push rod as power driving.
The chamber body of the nitrogen charging and unloading chamber is of a tunnel type concrete structure and a container type steel structure.
The nitrogen charging and discharging chamber is provided with a nitrogen charging, flame and temperature sensing detector, a nitrogen inlet and an exhaust gas outlet are arranged, and a safe explosion-proof tank is arranged at the top of the nitrogen charging and discharging chamber.
The transition bin is provided with a nitrogen filling, flame and temperature sensing detector, a nitrogen filling opening and an exhaust gas discharging opening, and a safe explosion-proof tank is arranged at the top of the transition bin.
The invention relates to a method and a device for transferring a closed container for holding hazardous waste under nitrogen charging protection environment, which are applied to a pretreatment system of incineration disposal engineering, aiming at hazardous waste mixed materials with wide sources, complex types and fluctuation of components, a closed integrated barrel (bag) is adopted to hold the hazardous waste, under the premise of eliminating fire and explosion hidden danger and avoiding environmental pollution caused by escape of peculiar smell, a nitrogen charging protection facility environment (namely, a low oxygen concentration state) is configured, a horizontal-inclined adjustable power roller way serving as a core part of the device is taken as a main body, the lifting, conveying, transferring, recycling of the mixed materials, recycling of a tray and the like are realized, and the whole transferring and unloading device has the characteristics of simple flow, flexible arrangement, safety, reliability, environment protection, simplicity and convenience in operation and maintenance, high mechanical automation degree and the like. Has obvious advantages and popularization value for the pretreatment system of the hazardous waste disposal project mainly including incineration in China.
Drawings
FIG. 1 is a schematic flow chart of a method for transferring and unloading a closed container containing hazardous waste in a nitrogen-filled environment;
FIG. 2 is a schematic diagram of a transfer device of a closed container for holding hazardous waste in a nitrogen-filled environment of the present invention;
fig. 3 is a schematic diagram of an adjustable power roller way with a double-power lifting structure;
FIG. 4 is a schematic cross-sectional view of A-A of FIG. 3;
FIG. 5 is a schematic diagram of an adjustable power roller way with a single power lifting structure;
fig. 6 is a schematic view of an adjustable power roller way with a sinking structure.
In the figure: 1 elevator (guide rail type elevator), 2 pallet, 3 nitrogen charging and discharging chamber, 4 sealing door, 5 adjustable power roller way, 6 transition bin; 41 feeding sealing doors and 42 discharging sealing doors; the device comprises a 51 power roller way machine body, a 52 protective fence, a 53 power device, a 54 carrier roller, a 55 carrier roller seat, a 56 rubber plate, a 57 steering seat, a 58 force transmission bracket and a 59 fixing seat; and 60 a second steering seat.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
The invention provides a transfer device of a closed container for holding hazardous waste under the environment of nitrogen charging protection, which is an important link between a guide rail type lifter of a pretreatment system of a bucket (bag) loading hazardous waste incineration disposal project and a crusher. A horizontal-inclined adjustable structure power roller way with a bidirectional conveying function is arranged in the nitrogen charging and discharging chamber, a container carrying hazardous waste is received from a lifting platform of an outdoor lifter, and is input into the chamber and automatically stopped when meeting a roller seat at a set position; then the power roller way machine body performs sinking or lifting action and gradually inclines, so that the tray and the container have a sliding trend, wherein: the tray is blocked by the roller seat and is trapped on the roller surface, and the container carrying the dangerous waste slides into the transition bin in the nitrogen charging state from the tray for being processed by the crusher.
The nitrogen charging and discharging chamber body is also provided with a detector, a nitrogen charging device and the like, and is used for monitoring the indoor oxygen content and injecting nitrogen and the like when the system operates.
The utility model provides a hold hazardous waste closed container transfer device under nitrogen filling protection environment, includes nitrogen filling transfer chamber 3, sealing door 4, adjustable power roll table 5 to and guide tracked lift 1, tray 2, transition feed bin 6, has airtight, transport, unloading, fire prevention, explosion-proof aspect function. See fig. 2-6.
The front end of the nitrogen charging and discharging chamber 3 is provided with a feeding sealing door 41, the rear end of the nitrogen charging and discharging chamber 3 is provided with a discharging sealing door 42, an adjustable power roller way 5 is arranged in the nitrogen charging and discharging chamber, the front end of the adjustable power roller way 5 is connected with a tray 2 positioned on a lifting platform of the lifter 1 outside the front end of the nitrogen charging and discharging chamber 3, the tray 2 is provided with a dangerous waste container, and the tray 2 is guided into the nitrogen charging and discharging chamber 3.
When the adjustable power roller way 5 is inclined downwards from the front end to the rear end, the tray 2 and the dangerous waste container slide downwards along the adjustable power roller way 5 to the rear end of the adjustable power roller way 5, the tray 2 is blocked by the supporting roller seat 55, the dangerous waste container slides downwards along the supporting roller 54 and falls into the transition bin 6, and the transition bin 6 is positioned outside the rear end of the nitrogen charging and discharging chamber 3.
The adjustable power roller way 5 comprises a power roller way body 51, a protective fence 52, a power device 53, a carrier roller 54, a carrier roller seat 55, a rubber plate 56, a steering seat 57 and a fixed seat 59;
the two sides of the power roller way machine body 51 are fixedly provided with protective fences 52, the rear part of the power roller way machine body 51 is provided with a carrier roller 54 and a carrier roller seat 55, the carrier roller 54 is arranged on the carrier roller seat 55, and the carrier roller seat 55 protrudes upwards; the bottom of the power roller bed machine body 51 is provided with a steering seat 57, and the bottom of the steering seat 57 is fixed on the ground; the power roller bed machine body 51 is driven by the power device 53, one end of the power roller bed machine body 51 can rotate along the steering seat 57, the other end of the power roller bed machine body 51 is placed on the fixed seat 59, and the rubber plate 56 is arranged on the top of the fixed seat 59; the power device 53 is positioned between the fixed seat 59 and the steering seat 57, and the adjustable power roller way 5 can be adjusted horizontally and obliquely and can be conveyed forward and backward.
The power device 53 adopts an oil cylinder, an air cylinder or an electric push rod as power driving.
The nitrogen charging transfer chamber 3 is a tunnel type concrete structure and a container type steel structure.
The nitrogen charging and discharging chamber 3 and the transition bin 6 are provided with nitrogen charging, flame and temperature sensing detectors, nitrogen injection ports and exhaust gas discharge ports, and a safe explosion-proof tank is arranged at the top of the nitrogen charging and discharging chamber.
The adjustable power roller way 5 has the function of forward and reverse bidirectional conveying and is adjustable in horizontal-inclination. According to the arrangement of the nitrogen charging transfer chamber 3, the invention provides a double-power lifting type device and a single-power lifting type sinking type device.
1. Double power lifting type. Referring to fig. 3 and 4, two power devices 53 are respectively arranged at two sides of the power roller machine body 51, the power devices 53 are connected to the side part of the power roller machine body 51 through a force transmission support 58, the force transmission support 58 is in a Z shape, a support is arranged at the outer side of the upper part of the Z shape of the force transmission support 58, the support is connected with the output end of the power devices 53, the lower part of the Z shape of the force transmission support 58 is connected with the side part of the power roller machine body 51, and the bottom of the power devices 53 is connected with a second steering seat 60; the fixed seat 59, the power device 53 and the steering seat 57 are sequentially arranged from front to back, the power device 53 is close to the fixed seat 59, and the power device 53 pushes upwards to enable the power roller bed machine body 51 to rotate along the steering seat 57.
The double-power lifting type hydraulic lifting device is mainly characterized in that: firstly, the power roller bed machine body 51 is arranged close to the ground, and the volume of the nitrogen charging and discharging chamber 3 is minimized; secondly, a set of power devices 53, such as oil cylinders, are respectively arranged on two sides of the power roller bed machine body 51; thirdly, the initial position of the power roller bed machine body 51 is in a horizontal state, as shown in fig. 3 and 4, the feeding end is driven by the power device 53 to perform lifting action, the power roller bed machine body 51 is inclined, and the upper container slides along the inclined plane.
2. Single power lifting type. Referring to fig. 5, the number of the power devices 53 is one, the power devices 53 are positioned in the middle of the bottom of the power roller bed machine body 51, the output end of each power device 53 is connected with the power roller bed machine body 51, and the bottom of each power device 53 is connected with the second steering seat 60; the fixed seat 59, the power device 53 and the steering seat 57 are sequentially arranged from front to back, and the power device 53 is close to the fixed seat 59; the fixed seat 59 and the steering seat 57 have a certain height, and are matched with the height of the power device 53, and the power device 53 pushes upwards to enable the power roller bed machine body 51 to rotate along the steering seat 57.
The single power lifting type lifting device is mainly characterized in that: the working principle and the device components are basically the same as those of the double-power lifting type, and the difference is that: first, the power roller bed body 51 is arranged at a certain distance from the ground; secondly, a set of power device 53, such as an oil cylinder, is arranged in the middle of the back surface of the power roller bed machine body 51; third, the fixing seat and the steering seat have a certain height, so as to be matched with the height of the power device.
3. Sinking type. Referring to fig. 6, two power devices 53 are respectively disposed at two sides of the power roller machine body 51, the power devices 53 are connected to the side of the power roller machine body 51 through a power transmission bracket 58, the power transmission bracket 58 is Z-shaped, a support is arranged at the outer side of the upper part of the Z-shape of the power transmission bracket 58, the support is connected with the output end of the power device 53, the lower part of the Z-shape of the power transmission bracket 58 is connected with the side of the power roller machine body 51, and the bottom of the power device 53 is connected with a second steering seat 60; the steering seat 57, the power device 53 and the fixed seat 59 are sequentially arranged from front to back, and the power device 53 is close to the fixed seat 59; the height of the steering seat 57 is larger than that of the fixed seat 59, and the power device 53 descends downwards to enable the power roller bed machine body 51 to rotate along the steering seat 57.
The sinking type water heater is mainly characterized in that: the working principle and the device components are basically the same as those of the double-power lifting type, and the difference is that: firstly, the initial position of the power roller bed machine body 51 is in an inclined state, as shown in fig. 6, when feeding, one discharging end performs lifting action, and the power roller bed machine body 51 is in a horizontal state; after the container and the tray are input in place, one discharging end of the container performs sinking action, the power roller bed machine body 51 is an inclined plane, the tray is blocked, and the container slides down; one discharging end is lifted, the power roller bed machine body 51 is in a horizontal state, and the tray returns. Second, the feeding end of the power roller bed body 51 is arranged at a certain distance from the ground as a steering position.
A method for transferring and unloading a closed container for holding hazardous waste under the environment of nitrogen filling protection comprises the following steps: with reference to figures 1 and 2 of the drawings,
firstly, lifting a tray carrying a dangerous waste container to a nitrogen charging and discharging room floor from a ground feeding end by a guide rail type lifter through a lifting platform of a built-in power roller way; the container includes a barreled or bagged hazardous waste.
Secondly, a feeding sealing door of the nitrogen charging and discharging chamber is opened, a power roller way with a bidirectional conveying function arranged on a lifting platform is started, a tray loaded with a dangerous waste container is gradually pushed to an adjustable power roller way which is in operation and in the nitrogen charging and discharging chamber, and the roller way can be adjusted horizontally and obliquely.
Thirdly, the adjustable power roller way inputs the tray loaded with the container into a nitrogen charging and unloading chamber, and the tray is automatically stopped when meeting a roller seat at a set position; at the same time, the feed seal door is closed.
And fourthly, injecting nitrogen into the nitrogen charging and discharging chamber, stopping after the nitrogen charging and discharging chamber reaches the set value of the oxygen concentration, and opening a discharging sealing door in a normally closed state at ordinary times, wherein the nitrogen charging and discharging chamber and the transition bin are in the same low-oxygen concentration environment.
Fifthly, under the action of a power device fixed on the ground of the nitrogen charging and discharging chamber, the power roller way body performs sinking or lifting action, so that the power roller way body is inclined downwards from the front end to the rear end, and the tray and the container have a sliding trend, wherein: the tray is blocked by the roller seat and is trapped on the roller path surface, and the dangerous waste container is gradually inclined along with the power roller path body, slides to the carrier roller at the rear part of the power roller path from the tray, and then accelerates to slide to the transition bin which is outside the discharging sealing door and is in a nitrogen charging state.
Sixthly, the discharging sealing door is closed, the nitrogen injection into the transferring chamber is stopped, the adjustable power roller way is reset, and the power roller way body returns to the initial position; the feeding sealing door is opened, the adjustable power roller way runs reversely, and a pallet intercepted on the power roller way is input into the lifting platform power roller way with the same elevation for standby and receiving actions.
Seventh, the guide rail type lifter is started, and the lifting platform carrying the tray descends to the ground.
In the process, the operation of the transfer device is carried out under the automatic interlocking control condition, and the transfer device can be monitored in real time in a monitoring room through videos, and is unattended on site.
The area needing nitrogen charging comprises a nitrogen charging and discharging chamber and a transition bin, and is provided with a flame and temperature sensing detector, a nitrogen charging device and the like, and a nitrogen inlet and an exhaust gas outlet are arranged, so that the area has the functions of sealing, fire prevention, explosion prevention and the like. The top of the nitrogen charging and discharging chamber and the top of the transition bin are provided with a safe explosion-proof tank, and once a fire or explosion phenomenon occurs, the pressure can be relieved urgently. In the nitrogen charging process, the waste gas discharged from the nitrogen charging transfer chamber and the transition bin can be sent into the secondary combustion chamber through a pipeline for incineration treatment.
Because of secondary pollution and high cost caused by cleaning after recycling containers such as steel barrels, and various problems such as dumping of residual materials, storage of bearing containers, site safety and the like, the waste materials and dangerous waste materials are comprehensively considered to be discharged into a transition bin together and are treated by a crusher and then are put into a rotary kiln for incineration.
The invention discloses a transfer device for a closed container for holding hazardous waste under the protection of nitrogen filling, which comprises the following components:
guide rail type lifter 1: the peripheral device of the transfer device consists of a lifting platform provided with a power roller way, a driving device, a guide rail, a rack, a chain (or a steel wire rope) and the like, has mature technology and reliable operation, and can be customized by a professional manufacturing enterprise according to requirements (such as the plane size of the lifting platform, the weight and volume of a bearing object, the lifting height of a material and the like). The elevator is closely attached to the outer wall surface of a building or placed in a building with a hole in a floor, and a driving device, a guide rail, a frame, a chain (or a steel wire rope) and the like are installed.
Wherein: the lifting platform is provided with a power roller way which can run positively and negatively. During the forward running, the tray 2 for loading the dangerous waste in the bucket (bag) is pushed to the horizontal-inclined adjustable power roller way 5 positioned in the nitrogen charging and discharging chamber; during the reverse running, the empty pallet 2 reversely conveyed from the horizontal-inclined adjustable power roller way 5 is recovered.
Tray 2: the external dimensions of the steel, wood or plastic standard or custom parts should be determined in combination with the general design of the hazardous waste incineration disposal project, and the condition of the container carrying the hazardous waste. If a wooden tray is adopted, the surface of the tray carrying the container should be covered with a layer of thin steel plate so as to prolong the service life of the tray and facilitate the container to slide downwards.
Nitrogen charging transfer chamber 3: there are two forms of tunnel type concrete structure and container type steel structure.
The nitrogen charging and transferring chamber 3 has good air tightness, and the sealing doors 4 at the two ends are the conveying and transferring channels for dangerous waste in the barrel (bag). When the dangerous waste is transported and unloaded in the barrel (bag) and the crushing operation of the subsequent crusher is carried out, inert gas (pure nitrogen) is required to be timely injected into the nitrogen charging and unloading chamber 3 and the transition bin 6 where the crusher communicated with the nitrogen charging and unloading chamber is positioned so as to reduce the oxygen concentration in the space of the two areas; the two areas are separated by an outfeed sealing door 42.
The oxygen measuring point and the nitrogen injection port are arranged on the chamber body of the nitrogen charging and discharging chamber 3, and after the container is input into the chamber and the feeding sealing door 41 is closed, the nitrogen charging is started, the internal oxygen content is monitored in real time, and the oxygen content is generally controlled to be lower than 4 percent so as to avoid fire or explosion accidents. After the oxygen content of the nitrogen charging and discharging chamber 3 reaches a set value, a discharging sealing door 42 which is normally closed is opened, and at the moment, the nitrogen charging and discharging chamber 3 and the transition bin 6 are in the same low oxygen concentration environment. Once the oxygen content reaches the warning value, the system automatically opens a nitrogen pipeline control valve to inject nitrogen; the nitrogen amount is determined according to the real-time oxygen concentration monitored by the oxygen probe.
The nitrogen charging transfer chamber 3 is provided with an exhaust gas outlet which is connected with a pipeline through a flange; the pipeline is provided with a control valve. The chamber body can bear certain internal pressure, and explosion is discharged through the safe explosion-proof tank when the chamber body is in overpressure.
Sealing door 4: are respectively arranged at two ends of the nitrogen charging and discharging chamber, and the charging sealing door 41 and the discharging sealing door 42 are respectively one. The sliding door is in the form of a steel sliding door or a steel translation door, and is driven by an oil cylinder, an air cylinder or an electric push rod and the like as power; the cylinder type is preferable. The sealing door has fireproof and explosion-proof functions, and can ensure the air tightness by adopting measures, so that the environment pollution caused by escape of peculiar smell can be effectively avoided. The net size of the door frame of the sealing door should be capable of ensuring smooth passage of materials.
Power roller way 5 with adjustable structure: has the functions of forward and reverse bidirectional conveying and adjustable horizontal-inclination. According to the arrangement of the nitrogen charging and discharging chamber 3, the invention provides a double-power lifting type device, a single-power lifting type device and a sinking type device.
1. Double-power lifting type: the adjustable structure power roller way 5 comprises: the power roller way machine body 51, the protective guard 52, the power device 53, the carrier roller 54, the carrier roller seat 55, the rubber plate 56, the steering seat 57, the force transmission support 58, the fixed seat 59 and the second steering seat 60. Wherein:
the power roller table body 51 entrusts the professional manufacturing enterprises to reform according to the standard power roller table surface parameters and structures and the size and weight of the dangerous waste contained in the barrel (bag) determined by the users.
The guard rails 52 are fixed to both sides of the power roller bed body 51 to prevent the container from deviating and turning over.
The power devices 53 are arranged on two sides of the power roller bed machine body 51 and driven by oil cylinders, air cylinders or electric push rods and the like as power; the cylinder method is recommended.
The carrier rollers 54 are standard components, are arranged at the rear part of the power roller bed machine body 51 in a plurality of groups, and have the functions of: the container carrying the dangerous waste slides from the tray to the carrier roller 54 at the rear part of the power roller way along with the gradual inclination of the power roller way body, and then the transition bin which is positioned outside the discharging sealing door and in the nitrogen charging state slides off in an acceleration way.
The rubber plate 56 is placed on the fixed seat 59 for the power roller bed body 51 to land gently.
The force transmission support 58 is fixed on two sides of the power roller bed machine body 51, and a support is welded on the outer side of the upper part of the force transmission support for connecting push rods such as an oil cylinder.
2. Single power lifting type: the adjustable structure power roller way 5 comprises: the power roller way organism 51, rail guard 52, power device 53, bearing roller 54, roller seat 55, rubber slab 56, turn to seat 57, fixing base 59, second and turn to seat 60, wherein: the fixed seat 59 and the steering seat 57 have a certain height and are matched with the height of the power device 53. The power roller bed machine body 51 is arranged at a certain distance from the ground; a power device is arranged in the middle of the back of the power roller bed machine body 51.
3. Sinking type: the adjustable structure power roller way 5 comprises: the power roll table organism 51, rail guard 52, power device 53, bearing roller 54, roller seat 55, rubber slab 56, turn to seat 57, biography power support 58, fixing base 59, second and turn to seat 60, wherein: the steering seat 57, the power device 53 and the fixed seat 59 are sequentially arranged from front to back, the height of the steering seat 57 is larger than that of the fixed seat 59, and the power device 53 sinks downwards to enable the power roller bed machine body 51 to rotate along the steering seat 57. The feeding end of the power roller way body is arranged at a certain distance from the ground and is used as a steering position.
The invention relates to a method and a device for transferring and unloading a closed container for holding hazardous waste under the environment of nitrogen charging protection, which treat solid and semi-solid hazardous waste mixed materials in the form of blocks, grains and powder, and the method and the device are used for sealing and holding the hazardous waste mixed materials by adopting containers such as special steel barrels, plastic barrels, ton bags and the like. The container for holding dangerous waste is placed on a standard or non-standard steel, wood or plastic tray for vertical lifting, horizontal conveying and material transferring and unloading.
The transfer and unloading device is an important link between a guide rail type lifter of a pretreatment system of a bucket (bag) loading hazardous waste incineration disposal project and a crusher, and is specially provided with a concrete structure or a steel structure nitrogen charging transfer and unloading chamber, and two ends of the transfer and unloading device are respectively provided with a steel sealing door with good pressure bearing and sealing performance, so that the requirements of fire prevention, explosion prevention and odor escape prevention can be effectively met.
A horizontal-inclined adjustable structure power roller way with a bidirectional conveying function is arranged in the nitrogen charging and discharging chamber, and three forms of sinking, single-power lifting and double-power lifting are available. The power roller way receives a container bearing dangerous wastes from a lifting platform of an outdoor lifter, and inputs the container into a room to automatically stop when meeting a roller seat at a set position; then the roller bed machine body performs sinking or lifting action and gradually inclines, so that the tray and the container have a sliding trend, wherein: the tray is blocked by the roller seat and is trapped on the roller surface, and the container carrying the dangerous waste slides into the transition bin in the nitrogen charging state from the tray for being processed by the crusher.
The nitrogen charging and discharging chamber and the transition bin are provided with devices such as nitrogen charging, flame and temperature sensing detectors, and a nitrogen inlet and an exhaust gas outlet are reserved, so that the device has the functions of sealing, fire prevention, explosion prevention and the like. The top of the nitrogen charging and discharging chamber and the top of the transition bin are provided with a safe explosion-proof tank, and the pressure can be relieved in emergency once a fire or explosion phenomenon occurs. The waste gas discharged in the nitrogen charging process of the nitrogen charging and discharging chamber and the transition bin can be input into the secondary combustion chamber through a pipeline for incineration treatment.
Because of secondary pollution and high cost caused by cleaning after recycling containers such as steel barrels, and various problems such as dumping of residual materials, storage of bearing containers, site safety and the like, the waste materials and dangerous waste materials are comprehensively considered to be discharged into a transition bin together and are treated by a crusher and then are put into a rotary kiln for incineration.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A method for transferring a closed container for holding hazardous waste under the protection of nitrogen filling environment is characterized by comprising the following steps:
the transfer unloading method is based on a transfer unloading device of a closed container for containing hazardous waste under a nitrogen charging protection environment, and the transfer unloading device comprises a nitrogen charging transfer unloading chamber (3), a sealing door (4) and an adjustable power roller way (5);
the front end of the nitrogen charging and discharging chamber (3) is provided with a feeding sealing door (41), the rear end of the nitrogen charging and discharging chamber (3) is provided with a discharging sealing door (42), the nitrogen charging and discharging chamber (3) is internally provided with an adjustable power roller way (5), the front end of the adjustable power roller way (5) is connected with a tray (2) positioned on a lifting platform of a lifter (1) outside the front end of the nitrogen charging and discharging chamber (3), the tray (2) is provided with a hazardous waste container, and the tray (2) is led into the nitrogen charging and discharging chamber (3);
the adjustable power roller way (5) comprises a power roller way machine body (51), a protective guard (52), a power device (53), a carrier roller (54), a carrier roller seat (55), a rubber plate (56), a steering seat (57) and a fixing seat (59);
guard rails (52) are fixedly arranged on two sides of the power roller way machine body (51), a carrier roller (54) and a carrier roller seat (55) are arranged at the rear part of the power roller way machine body (51), the carrier roller (54) is arranged on the carrier roller seat (55), and the carrier roller seat (55) protrudes upwards; a steering seat (57) is arranged at the bottom of the power roller bed machine body (51), and the bottom of the steering seat (57) is fixed on the ground; the power roller bed machine body (51) is driven by the power device (53), one end of the power roller bed machine body (51) can rotate along the steering seat (57), the other end of the power roller bed machine body (51) is placed on the fixing seat (59), and the rubber plate (56) is arranged at the top of the fixing seat (59); the power device (53) is positioned between the fixed seat (59) and the steering seat (57), and the adjustable power roller way (5) can be horizontally-obliquely adjusted and can be used for forward and reverse conveying;
when the adjustable power roller way (5) is inclined downwards from the front end to the rear end, the tray (2) and a dangerous waste container are downwards slid to the rear end of the adjustable power roller way (5) along the adjustable power roller way (5), the tray (2) is blocked by the carrier roller seat (55), the dangerous waste container is downwards slid along the carrier roller (54) and then falls into the transition storage bin (6), and the transition storage bin (6) is positioned outside the rear end of the nitrogen charging and discharging chamber (3);
the transferring and unloading method comprises the following steps:
firstly, lifting a tray carrying a dangerous waste container to a nitrogen charging and discharging room floor from a ground feeding end by a guide rail type lifter through a lifting platform of a built-in power roller way;
secondly, a feeding sealing door of the nitrogen charging and discharging chamber is opened, a power roller way with a bidirectional conveying function arranged on a lifting platform is started, a tray carrying a dangerous waste container is gradually pushed to an adjustable power roller way which is in operation and in the nitrogen charging and discharging chamber, and the roller way can be adjusted horizontally and obliquely;
thirdly, the adjustable power roller way inputs the tray loaded with the container into a nitrogen charging and unloading chamber, and the tray is automatically stopped when meeting a roller seat at a set position; simultaneously, closing the feeding sealing door;
fourthly, nitrogen is injected into the nitrogen charging and discharging chamber, the nitrogen charging and discharging chamber stops after reaching the set value of the oxygen concentration, and a discharging sealing door which is normally closed is opened, at the moment, the nitrogen charging and discharging chamber and the transition bin are in the same low-oxygen concentration environment;
fifthly, under the action of a power device fixed on the ground of the nitrogen charging and discharging chamber, the power roller way body performs sinking or lifting action, so that the power roller way body is inclined downwards from the front end to the rear end, and the tray and the container have a sliding trend, wherein: the tray is blocked by the roller seat and is trapped on the roller path surface, the dangerous waste container is gradually inclined along with the power roller path body, slides from the tray to the rear carrier roller of the power roller path, and then accelerates the transition bin which is positioned outside the discharging sealing door and is in a nitrogen charging state to slide down;
sixthly, the discharging sealing door is closed, the nitrogen injection into the transferring chamber is stopped, the adjustable power roller way is reset, and the power roller way body returns to the initial position; the feeding sealing door is opened, the adjustable power roller way runs reversely, and a pallet intercepted on the power roller way is input into a lifting platform power roller way with the same elevation for standby and receiving actions;
seventh, the guide rail type lifter is started, and the lifting platform carrying the tray descends to the ground.
2. The utility model provides a hold hazardous waste airtight container transfer device under nitrogen filling protection environment which characterized by: comprises a nitrogen charging and unloading chamber (3), a sealing door (4) and an adjustable power roller way (5);
the front end of the nitrogen charging and discharging chamber (3) is provided with a feeding sealing door (41), the rear end of the nitrogen charging and discharging chamber (3) is provided with a discharging sealing door (42), the nitrogen charging and discharging chamber (3) is internally provided with an adjustable power roller way (5), the front end of the adjustable power roller way (5) is connected with a tray (2) positioned on a lifting platform of a lifter (1) outside the front end of the nitrogen charging and discharging chamber (3), the tray (2) is provided with a hazardous waste container, and the tray (2) is led into the nitrogen charging and discharging chamber (3);
the adjustable power roller way (5) comprises a power roller way machine body (51), a protective guard (52), a power device (53), a carrier roller (54), a carrier roller seat (55), a rubber plate (56), a steering seat (57) and a fixing seat (59);
guard rails (52) are fixedly arranged on two sides of the power roller way machine body (51), a carrier roller (54) and a carrier roller seat (55) are arranged at the rear part of the power roller way machine body (51), the carrier roller (54) is arranged on the carrier roller seat (55), and the carrier roller seat (55) protrudes upwards; a steering seat (57) is arranged at the bottom of the power roller bed machine body (51), and the bottom of the steering seat (57) is fixed on the ground; the power roller bed machine body (51) is driven by the power device (53), one end of the power roller bed machine body (51) can rotate along the steering seat (57), the other end of the power roller bed machine body (51) is placed on the fixing seat (59), and the rubber plate (56) is arranged at the top of the fixing seat (59); the power device (53) is positioned between the fixed seat (59) and the steering seat (57), and the adjustable power roller way (5) can be horizontally-obliquely adjusted and can be used for forward and reverse conveying;
when the adjustable power roller way (5) is inclined downwards from the front end to the rear end, the tray (2) and the dangerous waste container are contained and slide downwards to the rear end of the adjustable power roller way (5) along the adjustable power roller way (5), the tray (2) is blocked by the roller seat (55), the dangerous waste container is contained and slide downwards along the roller (54) and then falls into the transition storage bin (6), and the transition storage bin (6) is positioned outside the rear end of the nitrogen charging and discharging chamber (3).
3. The sealed container for hazardous waste according to claim 2, wherein: the two power devices (53) are respectively arranged at two sides of the power roller way machine body (51), the power devices (53) are connected to the side part of the power roller way machine body (51) through the power transmission support (58), the power transmission support (58) is Z-shaped, a support is arranged on the outer side of the upper part of the Z-shaped part of the power transmission support (58), the support is connected with the output end of the power devices (53), the lower part of the Z-shaped part of the power transmission support (58) is connected with the side part of the power roller way machine body (51), and the bottom of the power devices (53) is connected with the second steering seat (60); the fixed seat (59), the power device (53) and the steering seat (57) are sequentially arranged from front to back, the power device (53) is close to the fixed seat (59), and the power device (53) pushes upwards to enable the power roller bed machine body (51) to rotate along the steering seat (57).
4. The sealed container for hazardous waste according to claim 2, wherein: the power device (53) is one and is positioned in the middle of the bottom of the power roller bed machine body (51), the output end of the power device (53) is connected with the power roller bed machine body (51), and the bottom of the power device (53) is connected with the second steering seat (60); the fixed seat (59), the power device (53) and the steering seat (57) are sequentially arranged from front to back, and the power device (53) is close to the fixed seat (59); the fixed seat (59) and the steering seat (57) have a certain height, are matched with the power device (53) in height, and the power device (53) pushes upwards to enable the power roller bed machine body (51) to rotate along the steering seat (57).
5. The sealed container for hazardous waste according to claim 2, wherein: the two power devices (53) are respectively arranged at two sides of the power roller way machine body (51), the power devices (53) are connected to the side part of the power roller way machine body (51) through the power transmission support (58), the power transmission support (58) is Z-shaped, a support is arranged on the outer side of the upper part of the Z-shaped part of the power transmission support (58), the support is connected with the output end of the power devices (53), the lower part of the Z-shaped part of the power transmission support (58) is connected with the side part of the power roller way machine body (51), and the bottom of the power devices (53) is connected with the second steering seat (60); the steering seat (57), the power device (53) and the fixed seat (59) are sequentially arranged from front to back, and the power device (53) is close to the fixed seat (59); the height of the steering seat (57) is larger than that of the fixed seat (59), and the power device (53) sinks downwards to enable the power roller bed machine body (51) to rotate along the steering seat (57).
6. The sealed container for hazardous waste according to any one of claims 2 to 5, wherein: the power device (53) adopts an oil cylinder, an air cylinder or an electric push rod as power driving.
7. The sealed container for hazardous waste according to claim 2, wherein: the chamber body of the nitrogen charging and unloading chamber (3) is of a tunnel type concrete structure and a container type steel structure.
8. The sealed container for hazardous waste according to claim 2, wherein: the nitrogen charging and discharging chamber (3) is provided with a nitrogen charging, flame and temperature sensing detector, a nitrogen inlet and an exhaust gas outlet are arranged, and a safe explosion-proof tank is arranged at the top of the nitrogen charging and discharging chamber (3).
9. The sealed container for hazardous waste according to claim 2, wherein: the transition bin (6) is provided with a nitrogen filling, flame and temperature sensing detector, a nitrogen filling opening and an exhaust gas discharging opening, and a safe explosion-proof tank is arranged at the top of the transition bin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612302.8A CN107298268B (en) | 2017-07-25 | 2017-07-25 | Method and device for transferring and unloading sealed container for holding hazardous waste under nitrogen-filled protection environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612302.8A CN107298268B (en) | 2017-07-25 | 2017-07-25 | Method and device for transferring and unloading sealed container for holding hazardous waste under nitrogen-filled protection environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107298268A CN107298268A (en) | 2017-10-27 |
| CN107298268B true CN107298268B (en) | 2023-05-05 |
Family
ID=60133040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710612302.8A Active CN107298268B (en) | 2017-07-25 | 2017-07-25 | Method and device for transferring and unloading sealed container for holding hazardous waste under nitrogen-filled protection environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107298268B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247936A (en) * | 2018-01-11 | 2018-07-06 | 安徽纳赫智能科技有限公司 | A kind of automotive upholstery bar stock cutting by punching mechanism |
| CN109454054B (en) * | 2018-12-20 | 2021-08-03 | 张建玲 | Atomizing cleaning and disinfecting device suitable for gynecologic nursing is clinical |
| CN110715169A (en) * | 2019-11-05 | 2020-01-21 | 南通安思卓新能源有限公司 | Novel pressure boost explosion-proof container |
| CN112357190B (en) * | 2020-11-11 | 2022-04-01 | 重庆电子工程职业学院 | Commercial unloader of electricity |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544301A (en) * | 2003-11-20 | 2004-11-10 | 孙付江 | Vertical lift plow type discharging device |
| CA2554518A1 (en) * | 2006-04-10 | 2007-10-10 | U Box It Inc. | Method of receiving and transporting solid waste |
-
2017
- 2017-07-25 CN CN201710612302.8A patent/CN107298268B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544301A (en) * | 2003-11-20 | 2004-11-10 | 孙付江 | Vertical lift plow type discharging device |
| CA2554518A1 (en) * | 2006-04-10 | 2007-10-10 | U Box It Inc. | Method of receiving and transporting solid waste |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107298268A (en) | 2017-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107298268B (en) | Method and device for transferring and unloading sealed container for holding hazardous waste under nitrogen-filled protection environment | |
| US5022328A (en) | Shredder/compactor auger system | |
| US5233932A (en) | Shredder/compactor auger system | |
| CN203413641U (en) | Crushing preprocessing device of hazardous wastes | |
| CN104251490A (en) | Crushing pretreatment system for hazardous wastes | |
| SG178316A1 (en) | Food waste packaging apparatus for an automatic waste collection system | |
| US5263425A (en) | Waste processing system door assembly | |
| AU665227B2 (en) | Waste processing system | |
| CN205402739U (en) | Domestic waste pyrolysis gasification feeding device | |
| CN204896355U (en) | Totally closed fatlute warehousing and transportation system of integration | |
| CN206176383U (en) | Dangerous waste incinerator charge -in system | |
| CN108909002B (en) | Volume reduction method and device for fly ash stabilizer | |
| US3173389A (en) | Incinerators | |
| US5217173A (en) | Waste processing system | |
| CN213631840U (en) | Material discharging structure of anti-explosion incinerator | |
| CN214891199U (en) | A charge-in system for waste incineration preliminary treatment | |
| CN212252626U (en) | Rotary incinerator crushing feeding device | |
| CN105841158B (en) | A kind of dangerous waste incinerator feed system | |
| CN207258503U (en) | Hazardous waste closed container unloading device is held under nitrogen filled protection environment | |
| CN209410920U (en) | Vertical compression station is turned over after large-tonnage | |
| CN220313398U (en) | Nuclear power plant waste radioactive pollution metalwork shearing mechanism | |
| CN221051798U (en) | Material in-out device of pyrolysis furnace | |
| CN220524118U (en) | Feeding system of dangerous waste incineration device of rotary kiln | |
| CN219488485U (en) | Dangerous waste feeding device in laboratory | |
| CN216784768U (en) | Underground dry sludge storage and feeding system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231213 Address after: No.1287, Beijing West Road, Jing'an District, Shanghai 200040 Patentee after: SHANGHAI INSTITUTE OF MECHANICAL & ELECTRICAL ENGEERING Co.,Ltd. Patentee after: SHANGHAI ENVIRONMENT PROTECTION COMPLETE ENGINEERING CO.,LTD. Address before: No.1287, Beijing West Road, Jing'an District, Shanghai 200040 Patentee before: SHANGHAI INSTITUTE OF MECHANICAL & ELECTRICAL ENGEERING Co.,Ltd. |