CN113717737A - Tar distillation auxiliary fetching mechanism and working method thereof - Google Patents
Tar distillation auxiliary fetching mechanism and working method thereof Download PDFInfo
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- CN113717737A CN113717737A CN202110917823.0A CN202110917823A CN113717737A CN 113717737 A CN113717737 A CN 113717737A CN 202110917823 A CN202110917823 A CN 202110917823A CN 113717737 A CN113717737 A CN 113717737A
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- coking
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B33/00—Discharging devices; Coke guides
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention provides a tar distillation auxiliary fetching mechanism and a working method thereof, wherein the tar distillation auxiliary fetching mechanism comprises a coking tank and a dry distillation tower, wherein the coking tower is used for loading coal blocks to be dry distilled; after accomplishing the dry distillation, to the coke coal cinder that remains in the gate bottom in this time, drive effect through telescopic cylinder, and make the flexible unit convert the crooked state that extends into by the state of accomodating to just in time stretch into the bottom position of the gate position of coking jar, then adjust the angle of push ram and laminate with the diapire, then drive push ram to coal cinder propelling movement to outside position through the propelling movement structure. The structure furthest ensures that the interference to the coke pushing device is avoided, the device is automatically hidden at the bottom of the coking tank when not in use, the closing and the opening of the coke pushing door are not influenced, and the device can extend into the coking tank in a bending mode to complete scraping action when in need, so that the device has good industrial adaptability.
Description
Technical Field
The invention relates to a tar distillation auxiliary fetching mechanism and a working method thereof.
Background
The coal coking process is that black sticky liquid is formed after coal is subjected to a dry distillation process, and the sticky black liquid is called tar and can obtain coke.
According to different temperatures, the method can be divided into a low-temperature dry distillation process, a medium-temperature dry distillation process and a high-temperature dry distillation process. And different kinds of fractions will be obtained accordingly.
Among them, the coal tar formed in the coke production process is a high-temperature type tar. The product is one of coke oven gas purification products formed after condensation and separation processes of crude gas in the process.
A coking furnace or a coking tank is a container for carrying initial coal blocks, and forms various dry distillation components through a series of chemical reactions in a high-temperature heating environment, and correspondingly obtains coal. However, after the coke oven completes the process, the side wall door of the coke oven needs to be opened, and then the coke oven is extended into the coke oven through a coke pushing rod of the coke pusher so that the coal blocks in the coke oven are pushed out for subsequent treatment. However, the height of the coke pushing bar is not in accordance with the bottom wall of the coking tank, i.e. a part of the clearance space is left, and during the process of opening the side wall door and pushing the coking coal blocks, a part of the coal blocks are scattered at the position of the side wall door opening, so that the subsequent closing of the side wall door is difficult or the sealing performance is reduced. In order to solve the problem, in the prior art, a worker generally scrapes out scattered coal blocks at the doorway position through a shovel or a shovel at the doorway position, so that the influence caused by the residual coal blocks at the doorway position is avoided. However, not only is the manpower resource consumed, but also the high temperature environment at the doorway position has a high impact on the health of workers. And there is often a spatial impact of other objects such as coke carts, side doors, etc. in place of this location.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device structure and a method for conveniently cleaning scattered coal blocks at the door position when coke drums are subjected to tar dry distillation.
The invention provides a tar distillation auxiliary fetching mechanism which comprises a coking tank and a dry distillation tower, wherein the coking tower is used for loading coal blocks to be dry distilled; the dry distillation tower is connected with the coking tank; the coking tank is provided with a coke pushing opening, and an openable side wall door is arranged in the coke pushing opening;
the coke tank is characterized by further comprising an object taking assembly, wherein the object taking assembly is arranged at the bottom of the coke tank and is provided with a telescopic cylinder, a fixed frame, a telescopic unit, an adjusting assembly and a pushing plate; the telescopic unit comprises a plurality of groups of folding quadrilateral structures which are sequentially connected, each folding quadrilateral structure comprises two short edge connecting plates in hinged connection and two long edge connecting plates in hinged connection, and the two short edge connecting plates of each group of folding quadrilateral structures and the two long edge connecting plates in hinged connection form a first hinge part and a second hinge part; the first hinged part of the folding quadrilateral structure at the starting end is connected to the fixed frame through a mounting plate, the folding quadrilateral structure at the tail end is connected to the adjusting assembly, the adjusting assembly is connected to the pushing plate, and the adjusting assembly is used for adjusting the placing angle of the pushing plate; the folding quadrilateral structures at the middle positions are sequentially connected through the first hinge parts and the second hinge parts;
still include the propelling movement structure, the structural thing subassembly of getting that sets up of propelling movement, the propelling movement structure is used for driving it carries out the ascending removal of horizontal direction to get the thing subassembly.
The beneficial effect of above-mentioned scheme does: the dry distillation component is formed by heating in a coking tank, and the dry distillation component is collected in a dry distillation tower. After accomplishing the dry distillation, then need release the coking coal in the coking jar through pushing away the burnt pole, to remaining the coke coal cinder in gate bottom this time, through telescopic cylinder's drive effect, and make the flexible unit convert the crooked state of extending into by the state of accomodating to just in time stretch into the bottom position of the gate position of coking jar, then adjust the angle of push plate and laminate with the diapire, then drive push plate to coal cinder propelling movement to outside position through the propelling movement structure. The structure furthest ensures that the interference to the coke pushing device is avoided, the device is automatically hidden at the bottom of the coking tank when not in use, the closing and the opening of the coke pushing door are not influenced, and the device can extend into the coking tank in a bending mode to complete scraping action when in need, so that the device has good industrial adaptability.
According to a preferable scheme, the adjusting assembly comprises a first air cylinder, a second air cylinder, a supporting rod and a fixing block, the fixing block is connected to the folding quadrilateral structure at the tail end, the inner ends of the two first air cylinders are hinged to the fixing block, and the outer ends of the first air cylinders are hinged to the pushing plate; the inner ends of the two second air cylinders are hinged to the fixed block, and the outer ends of the second air cylinders are hinged to the pushing plate; and two ends of the supporting rod are respectively hinged with the pushing plate and the fixing block.
The beneficial effect of the scheme is that; through the cooperative driving work of first cylinder and second cylinder, can make the angle of pushing plate carry out angle modulation, and then make pushing plate carry out good laminating with the bottom of coking jar.
One preferable scheme is that the pushing structure comprises a pushing cylinder, the fetching component is arranged in the sliding track through a sliding block, and a telescopic rod of the pushing cylinder is connected with the fetching component;
still include supplementary extending structure, supplementary extending structure with the structure of telescopic unit is the same, supplementary extending structure is located the first side of coking tower bottom, telescopic unit is located the second side of coking tower bottom, telescopic unit with supplementary extending structure connects the both sides tip position of push plate.
The beneficial effect of the scheme is that; through the mode that this kind of both sides position set up flexible unit and supplementary extending structure, it can drive the push plate more steadily and remove to when the push plate scrapes coal, this kind of both sides position forms on the scheme of interval space makes the coal cinder can not fall into the flexible unit, and then furthest reduces the damage to the device.
The working method of the tar distillation auxiliary fetching mechanism provided by the invention comprises the following steps:
s1, adding coal blocks into the coking tower, and then carrying out dry distillation and coking treatment, wherein dry distillation components are collected in the dry distillation tower for collection;
s2: opening the side wall door, and extending a coke pushing rod of a coke pushing mechanism into the coking tank along the coke pushing opening to carry out coke pushing treatment, so that the coked coal block material is pushed out to be collected;
s3: starting the fetching assembly to work, wherein the fetching assembly has a receiving folding state and an expanded scraping state, and when the receiving folding state is reached, the telescopic cylinder drives the telescopic unit to be in the receiving folding state, and at the moment, the fetching assembly is located at the bottom position of the coking tank; then the telescopic cylinder starts to perform expansion and extension movement, correspondingly drives the telescopic unit to be converted from a folded state to an extended state, and further leads the telescopic unit to extend to the bottom position of the coking tank in a bending and extending manner;
then, the adjusting assembly adjusts the angle of the pushing plate so that the bottom of the pushing plate is attached to the bottom wall of the coking tank; and finally, the object taking assembly is moved in position under the driving action of the pushing structure, so that the pushing plate is used for scraping coal blocks at the bottom wall position of the coking tank, and further coal block materials scattered at the coke pushing opening are pushed to the outer position of the coking tank.
According to a preferable scheme, the adjusting assembly comprises a first air cylinder, a second air cylinder, a supporting rod and a fixing block, the fixing block is connected to the folding quadrilateral structure at the tail end, the inner ends of the two first air cylinders are hinged to the fixing block, and the outer ends of the first air cylinders are hinged to the pushing plate; the inner ends of the two second air cylinders are hinged to the fixed block, and the outer ends of the second air cylinders are hinged to the pushing plate; two ends of the supporting rod are respectively hinged with the pushing plate and the fixing block;
the working method comprises the following steps: the telescopic link of first cylinder and second cylinder carries out the flexible of length, makes correspondingly the push plate is in carry out rotation angle under the supporting role of bracing piece and adjust, and then make the push plate with the diapire of coking jar is laminated.
One preferable scheme is that the pushing structure comprises a pushing cylinder, the fetching component is arranged in the sliding track through a sliding block, and a telescopic rod of the pushing cylinder is connected with the fetching component;
the auxiliary telescopic structure is the same as the telescopic unit in structure, the auxiliary telescopic structure is positioned at the first side end of the bottom of the coking tower, the telescopic unit is positioned at the second side end of the bottom of the coking tower, and the telescopic unit and the auxiliary telescopic structure are connected to the end parts of the two sides of the pushing plate;
the working method comprises the following steps: the pushing cylinder provides power and correspondingly drives the fetching assembly to move horizontally in the sliding track through the sliding block;
in addition, when the telescopic unit performs telescopic expansion movement, the auxiliary telescopic structure is correspondingly driven to perform telescopic expansion movement, and the telescopic unit and the auxiliary telescopic structure act together to drive the push plate to extend into the bottom wall of the coking tank after being bent and extended; and when the coal is scraped, the coal descends along the distance between the telescopic unit and the auxiliary telescopic structure.
Drawings
FIG. 1 is a schematic view of a first view of a tar distillation auxiliary fetching mechanism according to the present invention;
FIG. 2 is a schematic diagram of a second view of the tar distillation auxiliary fetching mechanism of the present invention;
FIG. 3 is a schematic diagram of the structure of a coke tower and a coke pushing rod of the auxiliary fetching mechanism for tar distillation of the invention;
FIG. 4 is a first perspective structural view of a coke tower and a coke pushing rod of the auxiliary fetching mechanism for tar distillation according to the present invention;
FIG. 5 is a second perspective structural view of a coke tower and a coke pushing rod of the auxiliary fetching mechanism for tar distillation according to the present invention;
FIG. 6 is an enlarged schematic view of region B in FIG. 5;
FIG. 7 is an enlarged schematic view of region A in FIG. 4;
FIG. 8 is an enlarged schematic view of region C of FIG. 6;
FIG. 9 is an enlarged schematic view of region D of FIG. 6;
FIG. 10 is a schematic sectional view of a part of a coke drum in a second embodiment of an auxiliary picking mechanism for distillation of tar according to the present invention;
fig. 11 is an enlarged schematic view of a region D in fig. 6.
Detailed Description
The first embodiment:
as shown in fig. 1 to fig. 11, the tar distillation auxiliary fetching mechanism provided by the present invention comprises a coking tower 10 and a dry distillation tower, wherein the coking tower 10 is used for loading coal blocks to be dry distilled; the dry distillation tower is connected with the coking tower 10; the coke tower 10 is provided with a coke pushing opening 11, and an openable side wall door 12 is arranged in the coke pushing opening 11;
the coke oven further comprises an object taking assembly 30, wherein the object taking assembly 30 is arranged at the bottom of the coke oven tower 10, and the object taking assembly 30 is provided with a telescopic cylinder 31, a fixed frame 32, a telescopic unit 33, an adjusting assembly 34 and a pushing plate 35; the fixed frame 32 is arranged at one side end part of the telescopic cylinder 31, the telescopic rod of the telescopic cylinder 31 slidably penetrates through the fixed frame 32, the telescopic unit 33 comprises a plurality of groups of folding quadrilateral structures 36 which are connected in sequence, each folding quadrilateral structure 36 comprises two short-edge connecting plates 37 which are connected in a hinged mode and two long-edge connecting plates 38 which are connected in a hinged mode, and the two short-edge connecting plates 37 and the two long-edge connecting plates 38 of each group of folding quadrilateral structures 36 form a first hinge part 39 and a second hinge part 40; the first hinge part 39 of the folding quadrilateral structure 36 at the starting end is connected to the fixing frame 32 through the mounting plate 391, the folding quadrilateral structure 36 at the tail end is connected to the adjusting assembly 30, the adjusting assembly 30 is connected to the pushing plate 35, and the adjusting assembly 30 is used for adjusting the placing angle of the pushing plate 35; the groups of folded quadrilateral structures 36 in the intermediate position are connected in sequence by a first articulation 39 and a second articulation 40;
still include push structure 20, the last thing subassembly 30 of getting that sets up of push structure 20, push structure 20 is used for driving and gets thing subassembly 30 and carry out the ascending removal in horizontal direction.
The working method of the tar distillation auxiliary fetching mechanism provided by the invention comprises the following steps:
s1, adding the coal briquette materials into the coking tower 10, and then carrying out dry distillation and coking treatment, wherein dry distillation components are collected in the dry distillation tower for collection;
s2: opening a side wall door 12, extending a coke pushing rod 2 of a coke pushing mechanism 1 into a coking tank 10 along a coke pushing opening 11 for coke pushing treatment, and pushing out the coked coal block material 3 for collection;
s3: starting the fetching assembly 30 to work, wherein the fetching assembly 30 has a folding state and an extended scraping state, when the folding state is received, the telescopic cylinder 31 drives the telescopic unit 33 to be in the folding state, and at this time, the fetching assembly 30 is located at the bottom position of the coking tower 10; then the telescopic cylinder 31 starts to perform an expanding and extending movement, and correspondingly drives the telescopic unit 33 to be converted from a folded state to an extended state, so that the telescopic unit 33 extends to the bottom position of the coking tower 10 in a bending and extending manner;
then, the adjustment assembly 30 adjusts the angle of the pusher plate 35 so that the bottom of the pusher plate 35 conforms to the bottom wall of the coke drum 10; finally, through the drive effect of propelling movement structure 50, and make and get thing subassembly 30 and carry out the position and remove, and then make push plate 35 carry out the coal cinder at the diapire position of coking tower 10 and strike off the processing, and then make the coal cinder material that pushes away coke mouthful position scattering to be pushed the outside position of coking tower 10.
Second embodiment:
preferably, the adjusting assembly 34 of the present embodiment includes a first cylinder 341, a second cylinder 342, a supporting rod 343 and a fixing block 345, the fixing block 345 is connected to the folding quadrilateral structure 36 at the tail end, the inner ends of the two first cylinders 341 are hinged to the fixing block 342, and the outer ends of the first cylinders 341 are hinged to the pushing plate 35; the inner ends of the two second cylinders 342 are hinged on the fixed block 345, and the outer ends of the second cylinders 342 are hinged on the pushing plate 35; two ends of the supporting rod 343 are respectively hinged with the pushing plate 35 and the fixing block 345;
the working method comprises the following steps: the telescopic rods of the first cylinder 341 and the second cylinder 342 extend and retract in length, so that the push plate 35 is turned over under the supporting action of the supporting rods, and the bottom wall of the coke tower 10 is attached to the push plate 35.
The pushing structure 20 comprises a pushing cylinder 21, and an expansion rod of the pushing cylinder 21 is connected with the fetching component 30;
the auxiliary telescopic structure is the same as the structure 33 of the telescopic unit, the auxiliary telescopic structure is positioned at the first side end of the bottom of the coking tower 10, the telescopic unit 33 is positioned at the second side end of the bottom of the coking tower 10, and the telescopic unit 33 and the auxiliary telescopic structure 60 are connected to the end parts of two sides of the pushing plate 35;
the working method comprises the following steps: the pushing cylinder 31 provides power, and correspondingly drives the fetching component 30 to move in the horizontal direction through the sliding block;
in addition, when the telescopic unit 33 performs telescopic expansion movement, the auxiliary telescopic structure is correspondingly driven to perform telescopic expansion movement, and the push plate 35 is driven to extend into the bottom wall of the coking tank 10 after being bent and extended by the combined action of the telescopic unit 31 and the auxiliary telescopic structure; and the coal is lowered along the distance between the telescopic unit 33 and the auxiliary telescopic structure when the coal is scraped out.
The propelling movement structure has a plurality of operating position, and it can drive gets the thing subassembly and remove at coking tank bottom position, and then makes to get the thing subassembly and hide totally in the bottom position and can not lead to the fact the interference to opening etc. of the lateral wall door of coking tank. When needs, then drive and get the thing subassembly and remove to the position of lateral wall door to make through the drive effect and get the thing subassembly and drive push plate and scrape the material out in the later stage. In addition, the adjusting component can also be provided with an extension structure, and the extension structure drives the pushing plate to move in position through the extension or shortening structure, so that the pushing plate is better attached to the bottom wall or is accommodated in the bottom wall. In other embodiments, can set up multiunit arm on the sampling subassembly, these arms can carry out the angle change, and then drive the flexible unit and carry out better angular position change to gather to surrounding environment through the image acquisition unit, then the remote control the device carries out the motion of arm, and then the realization is removed the flexible unit to the diapire position and is accomplished the purpose of scraping the material.
Claims (6)
1. The tar distillation auxiliary fetching mechanism is characterized by comprising a coking tank and a dry distillation tower, wherein the coking tower is used for loading coal blocks to be dry distilled; the dry distillation tower is connected with the coking tank; the coking tank is provided with a coke pushing opening, and an openable side wall door is arranged in the coke pushing opening;
the coke tank is characterized by further comprising an object taking assembly, wherein the object taking assembly is arranged at the bottom of the coke tank and is provided with a telescopic cylinder, a fixed frame, a telescopic unit, an adjusting assembly and a pushing plate; the telescopic unit comprises a plurality of groups of folding quadrilateral structures which are sequentially connected, each folding quadrilateral structure comprises two short edge connecting plates in hinged connection and two long edge connecting plates in hinged connection, and the two short edge connecting plates of each group of folding quadrilateral structures and the two long edge connecting plates in hinged connection form a first hinge part and a second hinge part; the first hinged part of the folding quadrilateral structure at the starting end is connected to the fixed frame through a mounting plate, the folding quadrilateral structure at the tail end is connected to the adjusting assembly, the adjusting assembly is connected to the pushing plate, and the adjusting assembly is used for adjusting the placing angle of the pushing plate; the folding quadrilateral structures at the middle positions are sequentially connected through the first hinge parts and the second hinge parts;
still include the propelling movement structure, the structural thing subassembly of getting that sets up of propelling movement, the propelling movement structure is used for driving it carries out the ascending removal of horizontal direction to get the thing subassembly.
2. The tar distillation auxiliary fetching mechanism according to claim 1, wherein the adjusting assembly comprises a first cylinder, a second cylinder, a support rod and a fixed block, the fixed block is connected to the folding quadrilateral structure at the tail end, the inner ends of the two first cylinders are hinged to the fixed block, and the outer ends of the first cylinders are hinged to the pushing plate; the inner ends of the two second air cylinders are hinged to the fixed block, and the outer ends of the second air cylinders are hinged to the pushing plate; and two ends of the supporting rod are respectively hinged with the pushing plate and the fixing block.
3. The tar distillation auxiliary fetching mechanism according to claim 1, wherein the pushing structure comprises a pushing cylinder, and an expansion rod of the pushing cylinder is connected with the fetching assembly;
still include supplementary extending structure, supplementary extending structure with the structure of telescopic unit is the same, supplementary extending structure is located the first side of coking tower bottom, telescopic unit is located the second side of coking tower bottom, telescopic unit with supplementary extending structure connects the both sides tip position of push plate.
4. The working method of the tar distillation auxiliary fetching mechanism according to the claim 1, characterized by comprising the following steps:
s1, adding coal blocks into the coking tower, and then carrying out dry distillation and coking treatment, wherein dry distillation components are collected in the dry distillation tower for collection;
s2: opening the side wall door, and extending a coke pushing rod of a coke pushing mechanism into the coking tank along the coke pushing opening to carry out coke pushing treatment, so that the coked coal block material is pushed out to be collected;
s3: starting the fetching assembly to work, wherein the fetching assembly has a receiving folding state and an expanded scraping state, and when the receiving folding state is reached, the telescopic cylinder drives the telescopic unit to be in the receiving folding state, and at the moment, the fetching assembly is located at the bottom position of the coking tank; then the telescopic cylinder starts to perform expansion and extension movement, correspondingly drives the telescopic unit to be converted from a folded state to an extended state, and further leads the telescopic unit to extend to the bottom position of the coking tank in a bending and extending manner;
then, the adjusting assembly adjusts the angle of the pushing plate so that the bottom of the pushing plate is attached to the bottom wall of the coking tank; and finally, the object taking assembly is moved in position under the driving action of the pushing structure, so that the pushing plate is used for scraping coal blocks at the bottom wall position of the coking tank, and further coal block materials scattered at the coke pushing opening are pushed to the outer position of the coking tank.
5. The working method of the tar distillation auxiliary fetching mechanism is characterized in that the adjusting assembly comprises a first air cylinder, a second air cylinder, a supporting rod and a fixed block, the fixed block is connected to the folding quadrilateral structure at the tail end, the inner ends of the two first air cylinders are hinged to the fixed block, and the outer ends of the first air cylinders are hinged to the pushing plate; the inner ends of the two second air cylinders are hinged to the fixed block, and the outer ends of the second air cylinders are hinged to the pushing plate; two ends of the supporting rod are respectively hinged with the pushing plate and the fixing block;
the working method comprises the following steps: the telescopic link of first cylinder and second cylinder carries out the flexible of length, makes correspondingly the push plate is in carry out rotation angle under the supporting role of bracing piece and adjust, and then make the push plate with the diapire of coking jar is laminated.
6. The working method of the tar distillation auxiliary fetching mechanism is characterized in that the pushing structure comprises a pushing cylinder, and a telescopic rod of the pushing cylinder is connected with the fetching assembly;
the auxiliary telescopic structure is the same as the telescopic unit in structure, the auxiliary telescopic structure is positioned at the first side end of the bottom of the coking tower, the telescopic unit is positioned at the second side end of the bottom of the coking tower, and the telescopic unit and the auxiliary telescopic structure are connected to the end parts of the two sides of the pushing plate;
the working method comprises the following steps: the pushing cylinder provides power and correspondingly drives the fetching assembly to move in the horizontal direction through the sliding block;
in addition, when the telescopic unit performs telescopic expansion movement, the auxiliary telescopic structure is correspondingly driven to perform telescopic expansion movement, and the telescopic unit and the auxiliary telescopic structure act together to drive the push plate to extend into the bottom wall of the coking tank after being bent and extended; and when the coal is scraped, the coal descends along the distance between the telescopic unit and the auxiliary telescopic structure.
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| CN205999327U (en) * | 2016-08-05 | 2017-03-08 | 新兴铸管股份有限公司 | Pusher machine coke cleaning apparatus |
| CN106367088A (en) * | 2016-12-06 | 2017-02-01 | 大连华锐重工焦炉车辆设备有限公司 | Heat exchanging two stage coal charging and coke pushing machine for coke oven and charging and pushing method thereof |
| CN108102671A (en) * | 2017-12-11 | 2018-06-01 | 上海应用技术大学 | A kind of coke oven stokehold cleaning equipment |
| CN208022949U (en) * | 2018-02-01 | 2018-10-30 | 乌海市广纳煤焦化有限公司 | Coking of coal production vehicle oil pump systems |
| CN108399348A (en) * | 2018-04-02 | 2018-08-14 | 惠安县冠威机械设备有限公司 | A kind of intelligent mobile barcode scanning payment mechanism with automatic regulation function |
| CN111205879A (en) * | 2020-03-06 | 2020-05-29 | 中冶焦耐(大连)工程技术有限公司 | Automatic cleaning device of tar before furnace gate |
| CN212246886U (en) * | 2020-05-26 | 2020-12-29 | 曲靖市盛凯焦化有限责任公司 | Automatic cleaning and recycling device of coke pusher |
| CN212863293U (en) * | 2020-08-26 | 2021-04-02 | 南京万顺包装有限公司 | Quick unloader that goes up of cross cutting machine |
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