CN218087970U - Feeding device of pulverized coal crusher - Google Patents

Feeding device of pulverized coal crusher Download PDF

Info

Publication number
CN218087970U
CN218087970U CN202222676521.1U CN202222676521U CN218087970U CN 218087970 U CN218087970 U CN 218087970U CN 202222676521 U CN202222676521 U CN 202222676521U CN 218087970 U CN218087970 U CN 218087970U
Authority
CN
China
Prior art keywords
control
coal
guide
guide box
carousel
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
Application number
CN202222676521.1U
Other languages
Chinese (zh)
Inventor
崔振
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202222676521.1U priority Critical patent/CN218087970U/en
Application granted granted Critical
Publication of CN218087970U publication Critical patent/CN218087970U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Disintegrating Or Milling (AREA)

Abstract

The utility model relates to a loading attachment of fine coal breaker relates to coking coal processing technology field, it includes the mounting bracket, the guide box, a control module, the conveying subassembly, the guide box, a control module all sets up on the mounting bracket, feed inlet and discharge gate have been seted up on the guide box, the control module sets firmly on the guide box and is used for controlling the ejection of compact of coal charge in the guide box, the conveying subassembly sets up in subaerial bottom that just is located the guide box for convey the coal charge in the guide box to fine coal breaker in. This application has the jam that reduces discharge gate department coal charge, and the ejection of compact speed of the interior coal charge of control guide workbin, and then guarantees the effect of the normal material loading of coal charge.

Description

Feeding device of pulverized coal crusher
Technical Field
The application relates to the technical field of coking coal treatment, in particular to a feeding device of a pulverized coal crusher.
Background
Coking refers to a process in which coking coal is heated to about one thousand ℃ under the condition of air isolation (high-temperature dry distillation), and coke, coke oven gas and other coking chemical products are produced through thermal decomposition and coking. The metallurgical coke has high carbon content, high porosity and high strength (especially high-temperature strength), is an important fuel and a reducing agent for blast furnace ironmaking, and is a proppant and a loosening agent for the whole blast furnace charge column. The coke oven gas as a byproduct of coking has high calorific value, is an excellent gas fuel for an open hearth furnace and a heating furnace, and is an important energy component in a steel and iron combined enterprise. Coking chemicals are important chemical feedstocks. Therefore, coking production is an important link in the modern steel industry.
The preparation of coking coal materials is called coal preparation for short, and various clean coals (or low-ash raw coals) transported from coal mines are prepared into the coal materials which have accurate proportion, proper granularity and uniform quality and meet the coking requirement. The common coal preparation process in the coking process needs to crush and mix coal and then send the prepared coal into a coke oven, so that the crushing of the coal is very important in the coking process.
Common coal crushing flow is through the funnel with the even feeding belt of putting in of coal as far as possible, the feeding belt again with the continuous pan feeding mouth of carrying fine coal breaker of coal source, if the coal charge water content that gets into in the funnel is higher, these coal charges are very easily adhered on the inner wall of funnel, this not only can make the funnel take place to block up, can influence the homogeneity of funnel material loading moreover, and then influence the normal material loading operation of coal charge.
SUMMERY OF THE UTILITY MODEL
In order to reduce the coal charge adhesion and then lead to loading attachment to take place the condition of blockking up in loading attachment, guarantee the continuous stable material loading operation of coal charge, this application provides a loading attachment of fine coal breaker.
The application provides a feeding device of fine coal crusher adopts following technical scheme:
the utility model provides a loading attachment of fine coal breaker, includes mounting bracket, guide box, control module, conveying assembly, the guide box control module all set up in on the mounting bracket, feed inlet and discharge gate have been seted up on the guide box, control module set firmly in just be used for control on the guide box the ejection of compact of coal charge in the guide box, conveying assembly sets up in subaerial and is located the bottom of guide box is used for with coal charge in the guide box conveys to fine coal breaker built-in.
Through adopting above-mentioned technical scheme, at fine coal breaker during operation, at first pour into the guide box with the kibbling coal charge of needs, then not only can reduce the jam of the coal charge of discharge gate department through the control assembly, can control the ejection of compact speed of the coal charge in the guide box in addition, and then convey the coal charge that the discharge gate falls to the fine coal breaker in through the transfer assembly to can realize the normal material loading operation of coal charge.
Optionally, the control assembly includes the control piece and is used for driving the driving piece of control piece, the control piece set up in the discharge gate, the control piece include pivot and a plurality of set firmly in the epaxial fan piece of pivot, the pivot rotate connect in lead on the workbin.
Through adopting above-mentioned technical scheme, drive the pivot through the driving piece and rotate, and then drive the fan piece and rotate to make the coal charge that the fan piece promoted guide box bottom remove and then drive the coal charge in the guide box and discharge from the discharge gate, thereby can reduce the jam of guide box bottom coal charge, and make the even dropping of coal charge to the conveying assembly, and then guarantee loading attachment's normal material loading operation.
Optionally, a plurality of partition plates for separating coal materials are vertically arranged in the material guide box, and the top of each partition plate extends to the feeding hole and the bottom of each partition plate extends to the discharging hole.
Through adopting above-mentioned technical scheme, through a plurality of division boards that set up in the guide case, can separate the coal charge in the guide case, reduce caking that the coal charge piles up to lead to etc. probably lead to the guide case to take place the condition of blockking up, and then can guarantee the normal guide operation of guide case.
Optionally, a radiating pipe is arranged in the partition plate, and a mounting hole for accommodating the radiating pipe is formed in the material guide box.
Through adopting above-mentioned technical scheme, through the cooling tube that sets up in the division board, can utilize the heat that the coking process in-process produced will lead the moisture evaporation of the coal charge in the workbin, and then can reduce the moisture content in the coal charge to can reduce the corruption of the moisture in the coal charge to loading attachment.
Optionally, the driving part comprises a mounting table and a driving motor, the mounting table is fixedly arranged on the outer wall of the material guide box, the driving motor is fixedly arranged on the mounting table, and the rotating shaft is connected with an output shaft of the driving motor.
By adopting the technical scheme, the aim of controlling the material guiding speed of the coal material in the material guiding box can be fulfilled by controlling the rotating speed of the driving motor according to the stock of the coal material in the material guiding box or the stock of the coal material on the conveying assembly.
Optionally, the control assembly is still including being used for removing the rotation piece of control, rotate the piece and include mounting panel, carousel and be used for the drive the rotation motor of carousel, the mounting panel parallel set firmly in on the outer wall of guide case, the rotation motor set firmly in on the mounting panel, the carousel set firmly in on the output shaft of rotation motor, the axis of rotation of carousel with the axis of rotation collineation of the output shaft of rotation motor, driving motor's output shaft with the connection can be dismantled in the pivot.
Through adopting above-mentioned technical scheme, after the control is used for a long time, some coal charge of inevitable adhesion on the control, these coal charge may obstruct the normal operation of control, uses through the cooperation of carousel and rotation motor, rotates the motor and can drive the carousel and rotate, and then makes the control on the carousel remove to can conveniently clear up the control.
Optionally, the control is followed the circumference of carousel is provided with a plurality ofly, the control set firmly in on the carousel, driving motor's axis of rotation with the axis of rotation mutually perpendicular of carousel just intersects, it still includes a plurality of baffles to rotate the piece, the baffle encircles the control sets up, the pivot rotate connect in on the baffle.
Through adopting above-mentioned technical scheme, through a plurality of controls that set up on the carousel, can be when staff's clearance is stained with the control of coal material, discharge gate department is arranged in to other controls after will clearing up simultaneously, and then makes the control can last to control the ejection of compact speed of leading the workbin to make the control can not influence the normal ejection of compact operation of leading the workbin when clearing up.
Optionally, the control assembly further comprises a fixing part, the fixing part comprises a limiting strip and a plurality of limiting rings, the limiting strips are used for limiting the baffle, the limiting rings are respectively arranged on the baffle and the material guide box, the limiting strips penetrate through the limiting rings, and clamping blocks used for limiting the limiting strips are arranged on the limiting strips.
Through adopting above-mentioned technical scheme, through the cooperation of spacing strip, spacing ring and fixture block use, can reduce rocking of control and provide the support for the control to can promote the stability of control when the operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the control assembly can reduce the blockage of the coal at the discharge port, control the discharge speed of the coal in the material guide box, and convey the coal falling from the discharge port into the pulverized coal crusher through the conveying assembly, so that the normal feeding operation of the coal can be realized;
2. according to the stock of the coal material in the guide box or the stock of the coal material on the conveying assembly, the aim of controlling the guide speed of the coal material in the guide box can be fulfilled by controlling the rotating speed of the driving motor;
3. through a plurality of controls that set up on the carousel, can be when staff's clearance is stained with the control of coal charge, the discharge gate department is arranged in to other controls after will clearing up simultaneously, and then makes the control can last to control the ejection of compact speed of leading the workbin to make the control can not influence the normal ejection of compact operation of leading the workbin when the clearance.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a control assembly according to the present embodiment;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 2 according to the present embodiment.
Description of the reference numerals: 1. a mounting frame; 2. a material guiding box; 21. a feed inlet; 22. a discharge port; 23. a partition plate; 24. a radiating pipe; 25. mounting holes; 3. a control component; 31. a control member; 311. a rotating shaft; 312. a fan blade; 32. a drive member; 321. an installation table; 322. a drive motor; 33. a rotating member; 331. mounting a plate; 332. a turntable; 333. rotating the motor; 334. a baffle plate; 335. a connecting plate; 336. fixing the bolt; 337. reinforcing ribs; 34. a fixing member; 341. a limiting strip; 342. a limiting ring; 343. a clamping block; 4. and a transmission component.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses loading attachment of fine coal breaker. Referring to fig. 1, the feeding device of the pulverized coal crusher comprises an installation frame 1, a material guide box 2, a control assembly 3 and a transmission assembly 4, wherein the material guide box 2 and the control assembly 3 are both arranged on the installation frame 1, and the control assembly 3 is fixedly arranged on the material guide box 2 and is used for controlling the discharging of coal in the material guide box 2; the conveying assembly 4 is arranged on the ground and positioned at the bottom of the material guiding box 2 and used for conveying the coal material in the material guiding box 2 into the pulverized coal crusher. In the embodiment, the conveying assembly 4 is arranged right below the material guiding box 2, and the conveying assembly 4 is a conveyor belt.
At fine coal breaker during operation, at first pour into the guide box 2 with the kibbling coal charge of needs, then not only can reduce the jam of the coal charge in the guide box 2 through control assembly 3, can control the ejection of compact speed of the coal charge in the guide box 2 in addition, and then will follow the coal charge conveying to the fine coal breaker of falling in the guide box 2 in through transfer assembly 4 to can realize the normal material loading operation of coal charge.
Referring to fig. 1 and 2, a feed inlet 21 and a discharge outlet 22 are formed in the material guide box 2, a plurality of partition plates 23 for partitioning coal are vertically arranged in the material guide box 2, the top of each partition plate 23 extends to the feed inlet 21, and the bottom of each partition plate 23 extends to the discharge outlet 22; a radiating pipe 24 is arranged in the partition plate 23, and a mounting hole 25 for accommodating the radiating pipe 24 is formed in the material guide box 2.
In this embodiment, division board 23 is provided with two, and all inclines to set up, and division board 23 can dismantle with the inner wall of guide box 2 and be connected, conveniently clears up the coal charge of adhesion on the division board 23, all is provided with a plurality of cooling tubes 24 in each division board 23.
If the moisture content of the coal material is high, the coal material may be agglomerated and difficult to discharge from the material guiding box 2, and the coal material in the material guiding box 2 can be separated by the partition plate 23, so that the situation that the material guiding box 2 is blocked due to agglomeration and the like caused by coal material accumulation can be reduced; through the heat dissipation pipe 24 arranged in the partition plate 23, the moisture of the coal material in the material guide box 2 can be evaporated by utilizing the waste heat generated in the coking process, so that the moisture content in the coal material can be reduced, the possibility of caking of the coal material can be reduced, and the corrosion of the moisture in the coal material to the feeding device can be reduced.
Referring to fig. 2 and 3, the control assembly 3 includes a control member 31, a driving member 32 for driving the control member 31, a rotating member 33 for moving the control member 31, and a fixing member 34 for limiting the control member 31, the control member 31 is disposed in the discharge hole 22, wherein the control member 31 includes a rotating shaft 311 and a plurality of fan blades 312 fixedly disposed on the rotating shaft 311, and the rotating shaft 311 is rotatably connected to the material guiding box 2; the driving member 32 includes a mounting table 321 and a driving motor 322, the mounting table 321 is fixedly disposed on the outer wall of the material guiding box 2, the driving motor 322 is fixedly disposed on the mounting table 321, and the rotating shaft 311 is connected with an output shaft of the driving motor 322.
In this embodiment, the fan blades 312 are disposed along the circumferential direction of the rotating shaft 311, and the shape of the fan blades 312 is circular arc, which not only facilitates the fan blades 312 to push the coal in the material guiding box 2 to move, but also can increase the structural strength of the fan blades 312, and reduce the possibility that the fan blades 312 are deformed due to long-time stress.
When the coal material enters the material guiding box 2, the coal material can slide downwards along the inner walls of the material guiding box 2 and the partition plate 23, through the rotating shaft 311 and the fan piece 312 arranged at the position of the material outlet 22, the rotating shaft 311 and the fan piece 312 can be driven to rotate through the output shaft of the driving motor 322, so that the fan piece 312 drives the coal material to move, and further the coal material is discharged from the material outlet 22 of the material guiding box 2, therefore, the possibility of blockage of the material outlet 22 is reduced, and the purpose of controlling the material guiding speed of the material guiding box 2 is realized.
The rotating part 33 comprises a mounting plate 331, a rotating disc 332, a rotating motor 333 for driving the rotating disc 332 and a plurality of baffle plates 334 rotatably connected with the rotating shaft 311, the mounting plate 331 is fixedly arranged on the outer wall of the guide box 2 in parallel, the rotating motor 333 is fixedly arranged on the mounting plate 331, the rotating disc 332 is fixedly arranged on the output shaft of the rotating motor 333, and the rotating axis of the rotating disc 332 is collinear with the rotating axis of the output shaft of the rotating motor 333; a plurality of control members 31 are arranged along the circumferential direction of the rotary disc 332, the control members 31 are fixedly arranged on the rotary disc 332, the rotating axis of the driving motor 322 is perpendicular to and intersected with the rotating axis of the rotary disc 332, and the output shaft of the driving motor 322 is detachably connected with the rotating shaft 311; the plurality of baffles 334 are sequentially connected and disposed around the control member 31.
In this embodiment, one end of the rotating shaft 311 facing the driving motor 322 penetrates the baffle 334, and a connecting plate 335 and a fixing bolt 336 for connecting an output shaft of the driving motor 322 are fixedly disposed, the mounting plate 331 is disposed above the rotating disc 332, the baffle 334 is fixedly disposed on a side wall of the rotating disc 332, and a reinforcing rib 337 is disposed between the baffle 334 and the rotating disc 332.
After long-time use, coal inevitably adheres to the fan blades 312 and the rotating shaft 311, and the coal may obstruct normal operation of the fan blades 312 and the rotating shaft 311, and through cooperation of the rotating disc 332 and the rotating motor 333, the rotating motor 333 may drive the rotating disc 332 to rotate, so as to move the control member 31 on the rotating disc 332, thereby facilitating cleaning of the control member 31; through the plurality of control pieces 31 arranged on the turntable 332, when the worker cleans the control piece 31 adhered with the coal, the worker can place other control pieces 31 at the discharge hole 22, so that the control piece 31 can continuously control the discharge speed of the material guide box 2, in other words, the cleaning operation of the control piece 31 and the control effect of the material guide speed of the material guide box 2 can be simultaneously realized, and the feeding efficiency of the feeding device can be further improved.
The fixing member 34 includes a limiting strip 341 for limiting the baffle 334 and a plurality of limiting rings 342, the limiting rings 342 are respectively disposed on the baffle 334 and the material guiding box 2, the limiting strip 341 is disposed in the limiting rings 342 in a penetrating manner, and a clamping block 343 for limiting the limiting strip 341 is disposed on the limiting strip 341. In this embodiment, the limiting ring 342 is disposed on the baffle 334 and the outer wall of the material guiding box 2, the two ends of the limiting bar 341 are both provided with a clamping block 343, and the size of the clamping block 343 is smaller than that of the limiting ring 342.
Through wearing to establish spacing strip 341 in spacing ring 342 can reduce control 31 and rock in the horizontal direction to can improve the stability of control 31 when the operation, fixture block 343 not only can reduce the possibility that spacing strip 341 and spacing ring 342 break away from simultaneously, can support control 31 moreover, thereby further promoted control 31's stability.
The application embodiment a loading attachment of fine coal breaker's implementation principle does: at fine coal breaker during operation, at first pour into guide box 2 with the kibbling coal charge of needs, then not only can reduce the jam of the coal charge in the guide box 2 through control assembly 3, can control the ejection of compact speed of the coal charge in the guide box 2 in addition, and then will follow the coal charge conveying that falls down in the guide box 2 to the fine coal breaker in through transport assembly 4 to can realize the normal material loading operation of coal charge.
After long-time use, coal is inevitably adhered to the control member 31, when the control member 31 needs to be cleaned, the limiting strip 341 and the clamping block 343 are rotated to enable the clamping block 343 to rotate to an angle capable of being separated from the limiting ring 342, then the limiting strip 341 and the clamping block 343 are taken out from the limiting ring 342 by pushing the clamping block 343 and the limiting strip 341, so that the limiting effect of the fixing member 34 on the control member 31 is relieved, and then the fixing effect of the fixing member 31 is achieved by rotating the fixing bolt 336 to contact the connecting plate 335; and then, the control piece 31 on the turntable 332 is driven to move by turning on the rotating motor 333, so that the control piece 31 to be cleaned is moved out from the bottom of the material guiding box 2, and the cleaned control piece 31 is fixed on the connecting plate 335 and the material guiding box 2 respectively, thereby achieving the effect of cleaning the control piece 31 and controlling the material guiding speed of the material guiding box 2 simultaneously.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a loading attachment of fine coal breaker which characterized in that: including mounting bracket (1), guide case (2), control assembly (3), conveying assembly (4), lead workbin (2) control assembly (3) all set up in on mounting bracket (1), feed inlet (21) and discharge gate (22) have been seted up on guide workbin (2), control assembly (3) set firmly in just be used for control on guide workbin (2) the ejection of compact of coal charge in guide workbin (2), conveying assembly (4) set up in subaerial and are located the bottom of guide workbin (2) is used for with coal charge conveying in guide workbin (2) is to the fine coal breaker.
2. The charging device of a pulverized coal crusher as claimed in claim 1, characterized in that: the control assembly (3) comprises a control element (31) and a driving element (32) for driving the control element (31), the control element (31) is arranged in the discharge hole (22), the control element (31) comprises a rotating shaft (311) and a plurality of fan blades (312) fixedly arranged on the rotating shaft (311), and the rotating shaft (311) is rotatably connected to the material guide box (2).
3. The charging device of a pulverized coal crusher as claimed in claim 2, characterized in that: lead in the workbin (2) vertical division board (23) that are provided with a plurality of coal separating, the top of division board (23) extends to feed inlet (21), the bottom extends to discharge gate (22).
4. The charging device of a pulverized coal crusher as claimed in claim 3, characterized in that: be provided with cooling tube (24) in division board (23), seted up on guide box (2) and be used for holding mounting hole (25) of cooling tube (24).
5. The charging device of a pulverized coal crusher as claimed in claim 2, characterized in that: the driving piece (32) comprises an installation table (321) and a driving motor (322), the installation table (321) is fixedly arranged on the outer wall of the guide box (2), the driving motor (322) is fixedly arranged on the installation table (321), and the rotating shaft (311) is connected with an output shaft of the driving motor (322).
6. The charging device of the pulverized coal crusher as claimed in claim 5, wherein: control assembly (3) still including being used for removing rotation piece (33) of control piece (31), it includes mounting panel (331), carousel (332) and is used for the drive to rotate piece (33) the rotation motor (333) of carousel (332), mounting panel (331) parallel set firmly in on the outer wall of guide case (2), rotation motor (333) set firmly in on mounting panel (331), carousel (332) set firmly in on the output shaft of rotation motor (333), the rotation axis of carousel (332) with the rotation axis collineation of the output shaft of rotation motor (333), the output shaft of driving motor (322) with the connection can be dismantled in pivot (311).
7. The charging device of a pulverized coal crusher as claimed in claim 6, characterized in that: the control piece (31) is provided with a plurality ofly along the circumference of carousel (332), control piece (31) set firmly in carousel (332) is last, the axis of rotation of driving motor (322) with the axis of rotation mutually perpendicular of carousel (332) and crossing, it still includes a plurality of baffles (334) to rotate piece (33), baffle (334) encircle control piece (31) sets up, pivot (311) rotate connect in on baffle (334).
8. The charging device of a pulverized coal crusher as claimed in claim 7, characterized in that: the control assembly (3) further comprises a fixing part (34), the fixing part (34) comprises a limiting strip (341) and a plurality of limiting rings (342) which are used for limiting the baffle (334), the limiting rings (342) are respectively arranged on the baffle (334) and the guide box (2), the limiting strip (341) penetrates through the limiting rings (342), and a clamping block (343) which is used for limiting the limiting strip (341) is arranged on the limiting strip (341).
CN202222676521.1U 2022-10-11 2022-10-11 Feeding device of pulverized coal crusher Active CN218087970U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222676521.1U CN218087970U (en) 2022-10-11 2022-10-11 Feeding device of pulverized coal crusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222676521.1U CN218087970U (en) 2022-10-11 2022-10-11 Feeding device of pulverized coal crusher

Publications (1)

Publication Number Publication Date
CN218087970U true CN218087970U (en) 2022-12-20

Family

ID=84458282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222676521.1U Active CN218087970U (en) 2022-10-11 2022-10-11 Feeding device of pulverized coal crusher

Country Status (1)

Country Link
CN (1) CN218087970U (en)

Similar Documents

Publication Publication Date Title
CN210994677U (en) A equipment for concrete processing
CN111548809A (en) Movable straw carbonization cracking device
CN206831955U (en) Grain dryer with dust removal and impurity removal functions
EP2266897A1 (en) Waste conveyor and waste treating system with the same
CN106594708A (en) Novel anti-coking biomass particle combustion engine
CN102783562B (en) Method and equipment for producing high-fat glycoprotein feed
CN107716033A (en) It is easy to collect the feed stripped apparatus for crushing and treating transported
CN218087970U (en) Feeding device of pulverized coal crusher
CN116273313A (en) Crushing device for solid oil gas research
CN205102111U (en) Biomass particle burner
CN112024071A (en) Industrial waste recovery device for environmental protection
CN213514994U (en) Calcination rotary furnace for ceramsite slag-removing sand
CN215315492U (en) Waste casting sand recovery equipment
CN214209483U (en) Monoglyceride curing equipment
CN211170586U (en) Waste tire thermal decomposition recovery system
CN209989442U (en) Waste pop can recovery system
CN209944885U (en) Quick baking equipment of iron runner castable
CN218511367U (en) Coke drying device
CN220176583U (en) Make things convenient for mixer of material loading
CN219615655U (en) Crushing apparatus based on tar sediment is retrieved usefulness
CN110747346A (en) Novel aluminium ash piece-rate system of environmental protection
CN221479844U (en) Pyrolysis reactor, dust removal returning charge device and organic solid waste treatment equipment
CN111397334A (en) System and method for biomass fuel production
CN218784876U (en) Crushing and screening device for waste refractory materials in steel plant
CN212770567U (en) Movable straw carbonization cracking device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant