CN214021135U - Hammer for crushing reducing agent in smelting reduction process - Google Patents
Hammer for crushing reducing agent in smelting reduction process Download PDFInfo
- Publication number
- CN214021135U CN214021135U CN202021716683.8U CN202021716683U CN214021135U CN 214021135 U CN214021135 U CN 214021135U CN 202021716683 U CN202021716683 U CN 202021716683U CN 214021135 U CN214021135 U CN 214021135U
- Authority
- CN
- China
- Prior art keywords
- hammer
- reducing agent
- hammer head
- crushing
- reduction process
- 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
Images
Abstract
The utility model provides a hammer head is used in broken reducing agent of melting reduction process, relates to the broken apparatus technical field that uses of reducing agent, including the hammer block, the hammer block has work portion and two connecting portion along the central equipartition, and the rigid coupling has the tup that is the sector along axial cross-section on the work portion, and still the surfacing welding has tup alloy to weld the compost layer on the surface of tup. The utility model solves the problems of poor wear resistance and short service life of the hammer head in the traditional technology; the toughness of the hammer head is insufficient, and the hammer head can break under the action of a large impact load; and when the abrasion loss of the hammer head is larger, the whole hammer head is scrapped, and the material utilization rate is low.
Description
Technical Field
The utility model relates to a reductant breaker technical field, concretely relates to hammer is used in breakage of melting reduction technology reductant.
Background
The HIsmelt smelting reduction smelting process is the only new technology for realizing industrialized smelting reduction ironmaking in the world at present, has strong raw material applicability, directly uses coal powder and iron ore for smelting to produce high-quality clean molten iron, saves serious pollution processes such as coal coking, iron ore sintering and the like compared with the blast furnace ironmaking technology, has the environmental protection advantage of ultralow emission and the benefit advantage of low cost investment, provides a new idea for transformation and upgrading of the steel industry, and has large-scale popularization conditions.
The preparation of the reducing agent in the HIsmelt reduction process is realized by crushing through a hammer crusher. The hammer head is one of the core parts of the hammer crusher and arranged on a pin shaft of a crusher rotor, the hammer head directly strikes materials when the crusher runs at a high speed, and finally the materials are crushed into proper material granularity, and the stronger the impact capacity of the hammer head is, the better the effect of crushing the materials is. The hammerhead is a key part and is the most easily worn part, and the service life of the hammerhead directly influences the efficiency and the operation and maintenance cost of the whole reducing agent preparation system. The longer the service life of the hammer head, the higher the stability of the reducing agent preparation system and the lower the cost.
The prior art discloses a patent with application number 201720275608.4, which comprises a shell, wherein the upper part of the shell is provided with a coal block inlet, a hot air inlet and a coal powder outlet, the lower part in the shell is provided with an impact wheel assembly, the impact wheel assembly comprises a transmission shaft and a hammering device, and one end of the transmission shaft is connected with a power device; the hammering device includes that fixed mounting installs the tup installation base member on the transmission shaft and removable a plurality of tups of installing in tup installation base member periphery, and the tup is the triangle tup, has the three hammering portion that is 120 equipartitions, utilizes the round pin axle to wear to establish the tup through-hole in the hammering portion and realizes being connected with tup installation base member. The coal grinding part of the coal grinding machine has long service life, is easy to replace after being worn, and has convenient maintenance and long service life; the produced coal powder has good quality.
The device gradually exposes the defects of the technology along with the use, and the following problems often occur;
firstly, the wear resistance of the hammer head is poor, and the service life is short.
Secondly, the hammer head has insufficient toughness and can break under the action of large impact load.
Thirdly, when the abrasion loss of the hammer is large, the hammer is scrapped integrally, and the material utilization rate is low.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a hammer head for crushing a reducing agent in a smelting reduction process, which is used for solving the problems of poor wear resistance and short service life of the hammer head in the traditional technology; the toughness of the hammer head is insufficient, and the hammer head can break under the action of a large impact load; and when the abrasion loss of the hammer head is larger, the whole hammer head is scrapped, and the material utilization rate is low.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a hammer head for melting reduction technology reductant is broken, includes the hammer block, the hammer block has work portion and two connecting portion along the central equipartition, the rigid coupling has the axis cross-section to be the tup of sector on the work portion, still the surfacing has tup alloy welding compost layer on the surface of tup.
As an optimized scheme, mounting holes are formed in the connecting portions, and shaft sleeves are arranged in the mounting holes.
As an optimized scheme, arc curve surfaces in smooth transition connection are respectively arranged between the working part and the two connecting parts and between the two connecting parts.
As an optimized scheme, the arc curve surfaces at the two sides of the working part are provided with hammer alloy welding stacking layers.
As an optimized scheme, the hammer body is further provided with a heating hole, and the center of the heating hole is located on the symmetry axis of the hammer head.
As an optimized scheme, the hammer head, the mounting hole and the hammer body are integrally cast and molded by adopting a high manganese steel material.
As an optimized scheme, the surface of the hammer head is arranged in an uneven mode.
As an optimized scheme, the thickness of the hammerhead alloy welding stack layer is 5-20 mm.
As an optimized scheme, the thickness of the hammer alloy welding stacking layer is 5-15 mm.
As an optimized scheme, the width of the hammer is 180-280mm, the height is 100-150mm, and the thickness is 100-150 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the hammer head of the device adopts a sector design, so that the impact force on the hammer head during crushing can be obviously reduced, the service life of the hammer head can be greatly prolonged, and the production efficiency can be improved;
the hammer head of the device is made of high manganese steel, has good toughness and cannot be fractured under the action of larger impact load. The method has the advantages that the method is good in manufacturability and low in price, and is mainly characterized in that under the action of larger impact or contact stress, a surface layer can be rapidly processed and hardened;
the surface of the hammer head of the device adopts welding and stacking materials, and the welding and stacking materials and the hammer head are welded into a whole, so that the service life of the hammer head can be effectively prolonged by 3-5 times;
the welding material pile of the device adopts Fe-W-C alloy material, and the wear-resistant hard phase tissue in the surfacing tissue is mainly tungsten carbide tissue, so that the device has good hardness and wear resistance;
the device adopts a double-mounting hole fixing mode, so that the hammer head can be more firmly fixed on the crusher, and the phenomena that the traditional single mounting hole is not firm in fixation and the hammer head is loosened are effectively avoided;
the surface of the hammer body of the device is welded with the pile material into a whole, so that the service life of the hammer body can be effectively prolonged by 3-5 times;
the device is provided with the heating hole, so that the welding material stack is heated during welding, the welding performance can be improved, the stripping phenomenon between the welding material stack and the hammer head is prevented, and the service life of the hammer head is prolonged;
the device is provided with the shaft sleeve which is made of medium carbon steel with high strength and good plasticity and toughness, so that the shaft sleeve can be prevented from being broken and abraded easily under the action of impact force, the abrasion resistance is enhanced, the mounting hole is prevented from being broken easily, and the service life of the mounting hole is prolonged;
the hammer head, the mounting hole and the hammer body of the device are integrally cast, so that the device is stable in overall structure and strong in impact resistance;
the mounting hole of the device and the fixed shaft of the crusher are easy to disassemble, so that the hammer head can be quickly replaced, the maintenance time is greatly reduced, and the working efficiency is improved;
both sides of the hammer head of the device can be used as working surfaces, so that the service life of the device is prolonged by two times compared with that of a single hammer head, the use cost is greatly reduced, and the economic benefit is improved;
the stability in the working process is improved; the parts are few, the working procedure is simple and convenient, and the failure rate is low; the structure is simple, and the service life is long; simple and convenient operation and control, easy large-scale manufacture and installation and wide application range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the installation state of the present invention;
in the figure: 1-a hammer head; 2-welding a material piling layer by using a hammer head alloy; 3-mounting holes; 4-a through hole; 5-a hammer body; 6-welding a material piling layer by using the hammer body alloy; 7-heating the hole; 8-shaft sleeve; 9-a crusher; 10-fixed axis.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2, the hammer head for reducing agent crushing in the smelting reduction process comprises a hammer body 5, wherein a working part and two connecting parts are uniformly distributed along the center of the hammer body 5, a hammer head 1 with a sector-shaped axial section is fixedly connected to the working part, and a hammer head alloy welding material stacking layer 2 is further deposited on the surface of the hammer head 1 in a surfacing mode.
All seted up mounting hole 3 on the connecting portion, be equipped with axle sleeve 8 in the mounting hole 3.
Arc curve surfaces which are in transition smooth connection are respectively arranged between the working part and the two connecting parts and between the two connecting parts.
And a hammer alloy welding material piling layer 6 is arranged on the arc curve surfaces at the two sides of the working part.
The hammer body 5 is also provided with a heating hole 7, and the center of the heating hole 7 is positioned on the symmetry axis of the hammer head.
The hammer head 1, the mounting hole 3 and the hammer body 5 are integrally cast and formed by high manganese steel.
The surface of the hammer head 1 is arranged in an uneven manner.
The thickness of the hammer head alloy welding stacking layer 2 is 5-20 mm.
The thickness of the hammer alloy welding stacking layer 6 is 5-15 mm.
The width of the hammer head 1 is 180-280mm, the height is 100-150mm, and the thickness is 100-150 mm.
The hammer head 1 is a block with a sector-shaped section, the width is 180-280mm, the height is 100-150mm, and the thickness is 100-150 mm. The alloy welding material is cast by adopting a high manganese steel material, and the alloy welding material with high hardness and abrasive wear resistance is surfacing-welded on the surface of the hammer head 1.
1 adoption sector design of tup, can carry out the impact force that produces when the breakage effectively disperse in 1 broken materials of tup to the material after the breakage is followed the sector pitch arc ejection of compact on 1 top of tup, the impact force that 1 tup received when having obviously reduced the breakage, improvement tup 1's that can be great life, and can improve production efficiency.
The hammer head 1 is made of high manganese steel, has good toughness and cannot be broken under the action of large impact load. The surface layer will produce work hardening rapidly under the action of larger impact or contact stress.
The welding thickness of the welding material pile welded on the surface of the hammer head 1 is 5-20mm, and the welding material pile and the hammer head 1 are welded into a whole, so that the service life of the hammer head can be effectively prolonged by 13-5 times.
After the welding of the hammer head 1 is completed, the surface of the hammer head 1 is of a rugged structure, when the hammer head 1 is used for crushing operation, welding stacking is firstly collided with materials, the welding stacking is abraded, and the hammer head 1 body can be protected from being abraded.
When the welding stockpiling on the surface of the hammer head 1 is seriously worn, the welding can be carried out again, the situation that the whole hammer head 1 can only be replaced once the traditional hammer head 1 is seriously worn is avoided,
and the welding flux is accumulated on the hammer head 1 by welding, the implementation process is very simple, and compared with the integral casting, the cost is very low.
The alloy welding stack material is Fe-W-C alloy material, and the hard wear-resistant phase structure in the surfacing structure is mainly tungsten carbide structure and has good hardness and wear resistance.
Mounting hole 3 sets up 2 altogether, for hollow cylinder, symmetric distribution in 1 axis both sides of tup, and tup 1 passes through mounting hole 3 to be connected on breaker 9.
The diameter of the mounting hole 3 is 150-250mm, the thickness is 100-150mm, and the diameter of the middle through hole 4 is 80-120 mm. The center distance of the 2 mounting holes 3 is 250-350 mm.
The mounting hole 3 is made of high manganese steel with good toughness, good manufacturability and low price.
Adopt two mounting holes 3 can make more firm the fixing on breaker 9 of tup 1, effectively avoided traditional single mounting hole 3 to fix insecure, the not hard up phenomenon of tup 1 appears.
The outer contour of the hammer body 5 is an arc curve, the upper portion of the hammer body is connected with the hammer head 1, the lower portion of the hammer body is connected with the two mounting holes 3, and the lower end of the arc curve is tangent to the mounting holes 3. The height of the hammer body 5 is 250mm-350mm, and the thickness is 60-90 mm.
The hammer body 5 is connected with the hammer head 1, arc curves on two sides of the hammer body are subjected to surfacing welding alloy welding stacking, the welding stacking is made of Fe-W-C alloy materials, the surfacing thickness is 5-15mm, the welding stacking and the hammer body 5 are welded into a whole, and the service life of the hammer body can be effectively prolonged by 3-5 times.
The heating hole 7 is a circular through hole 4 and is located on the axial symmetry line of the hammer head 1 and 120-40mm away from the hammer head, the diameter of the heating hole 7 is 20-50mm, the heating hole 7 is used for installing a heating rod, the hammer head 1 is heated to the temperature meeting the welding requirement through the heating rod, the hammer head 1 is subjected to surfacing welding, the welding performance can be improved, the stripping phenomenon between welding stockpile and the hammer head 1 is prevented, and the service life of the hammer head 1 is prolonged.
And the shaft sleeve 8 is arranged in the mounting hole 3 and is used for connecting the mounting hole 3 and the crusher 9 fixing shaft 10.
The shaft sleeve 8 is made of medium carbon steel with high strength and good plasticity and toughness, so that the shaft sleeve 8 cannot be broken and is not easy to wear under the action of impact force, the wear resistance is enhanced, the mounting hole 3 is not easy to break, and the service life of the mounting hole 3 is prolonged.
The hammer head 1, the mounting hole 3 and the hammer body 5 are integrally poured, so that the device is stable in overall structure and strong in impact resistance.
Before the device is poured, the pre-cast shaft sleeve 8 is placed into a casting mould, and high manganese steel solution is poured, so that the shaft sleeve 8 and the device can be firmly combined.
This device is installed on 9 rotor hammer disks of breaker through setting up six evenly distributed altogether, and every group comprises 6-15 tups 1, and the axial is even along 1 tups through axle sleeve 8 fixed mounting on two high strength fixed axles 10, and fixed axle 10 is convenient detachable, can be quick demolish.
Staggered arrangement between 1 group of two adjacent tups can guarantee that the hammering is broken has higher efficiency to greatly increased work efficiency.
This device 1 both sides all can regard as the working face to use, in the one side use of tup 1 work, appear after irreparable nature wearing and tearing, can pull down tup 1, trade the face, the one side that tup 1 does not wear and tear has become new working face, through the face of trading of tup 1 for this device life-span improves the twice than single tup 1, has greatly reduced use cost, has improved economic benefits.
Other parts involved in the scheme are common in daily life and do not belong to the innovation of the scheme, so that the details are not repeated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A hammer for crushing a reducing agent in a smelting reduction process is characterized in that: including hammer block (5), hammer block (5) have work portion and two connecting portion along the central equipartition, the rigid coupling has along axial cross-section tup (1) that is the fan shape in the work portion, still the surfacing welding has tup alloy welding stack layer (2) on the surface of tup (1).
2. The hammer for crushing a reducing agent in a smelting reduction process according to claim 1, wherein: the connecting portion are all provided with mounting holes (3), and shaft sleeves (8) are arranged in the mounting holes (3).
3. The hammer for crushing a reducing agent in a smelting reduction process according to claim 1, wherein: and arc curve surfaces in smooth transition connection are respectively arranged between the working part and the two connecting parts and between the two connecting parts.
4. The hammer for crushing a reducing agent in a smelting reduction process according to claim 3, wherein: and hammer body alloy welding stacking layers (6) are arranged on the arc curve surfaces at the two sides of the working part.
5. The hammer for crushing a reducing agent in a smelting reduction process according to claim 1, wherein: the hammer body (5) is further provided with a heating hole (7), and the center of the heating hole (7) is located on the symmetry axis of the hammer head.
6. The hammer for crushing a reducing agent in a smelting reduction process according to claim 2, wherein: the hammer head (1), the mounting hole (3) and the hammer body (5) are integrally cast and formed by high manganese steel.
7. The hammer for crushing a reducing agent in a smelting reduction process according to claim 1, wherein: the surface of the hammer head (1) is arranged in an uneven manner.
8. The hammer for crushing a reducing agent in a smelting reduction process according to claim 1, wherein: the thickness of the hammer head alloy welding stacking layer (2) is 5-20 mm.
9. The hammer for crushing a reducing agent in a smelting reduction process according to claim 4, wherein: the thickness of the hammer body alloy welding stacking layer (6) is 5-15 mm.
10. The hammer for crushing a reducing agent in a smelting reduction process according to claim 1, wherein: the width of the hammer head (1) is 180-280mm, the height is 100-150mm, and the thickness is 100-150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021716683.8U CN214021135U (en) | 2020-08-18 | 2020-08-18 | Hammer for crushing reducing agent in smelting reduction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021716683.8U CN214021135U (en) | 2020-08-18 | 2020-08-18 | Hammer for crushing reducing agent in smelting reduction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214021135U true CN214021135U (en) | 2021-08-24 |
Family
ID=77333174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021716683.8U Active CN214021135U (en) | 2020-08-18 | 2020-08-18 | Hammer for crushing reducing agent in smelting reduction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214021135U (en) |
-
2020
- 2020-08-18 CN CN202021716683.8U patent/CN214021135U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5926259B2 (en) | New patch structure and manufacturing method for cement industry tube mill | |
| CN101455986B (en) | Crusher duplex metal abrasion-proof backing block and manufacture method thereof | |
| CN201959832U (en) | Composite wear-resistant hammer head with substrate made of high-manganese/ultrahigh-manganese-series steel | |
| CN101920216A (en) | Wear-resistant hammer head of hammer crusher with movable installation position and manufacturing method thereof | |
| CN111571121B (en) | Manufacturing method of easily-detachable and repairable high-wear-resistance ceramic alloy composite grinding roller | |
| CN111590053A (en) | Manufacturing method of easily-machined and repairable high-wear-resistance metal ceramic composite grinding roller | |
| CN101850285A (en) | Combined position board hammer of reaction crusher capable of rapidly changing wear position and manufacturing method thereof | |
| CN211801213U (en) | Low-cost and repairable ceramic alloy composite grinding roller | |
| KR100513985B1 (en) | Wear-resistant and impact-resistant excavator bucket which is produced by the casting and the manufacturing method | |
| CN214021135U (en) | Hammer for crushing reducing agent in smelting reduction process | |
| CN103074549B (en) | Low-carbon multi-component alloy steel for excavator bucket tooth, and its production technology | |
| CN113236466A (en) | Bucket type impact runner with brand new structure of water turbine | |
| CN1307016C (en) | Composite material tup and its casting method | |
| CN206778569U (en) | A kind of rich chromium cast iron tup | |
| CN215481031U (en) | Wear-resistant lining plate embedded with hard alloy | |
| CN201592116U (en) | Wear resistant toothed plate of single rotor hammer cracker | |
| CN113000822B (en) | Ceramic reinforced Fe-B alloy and preparation method thereof | |
| CN201807402U (en) | Honeycomb bimetallic composite hammer | |
| CN110801907B (en) | High-wear-resistance composite casting hammer disc and preparation process thereof | |
| CN213193909U (en) | Easily-detachable and repairable high-wear-resistance ceramic alloy composite grinding roller | |
| CN201154315Y (en) | Bearing anvil enchasing wear-resisting alloy | |
| CN110788299B (en) | Integrated embedded type casting impact breaking rotor body and preparation process thereof | |
| CN202366761U (en) | Dual-liquid thermal compound hammer head device bound by baffle plate | |
| CN201959833U (en) | Composite wear-resisting manganese steel hammer head of crusher | |
| CN104120369A (en) | A hammerhead used for a hammer crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Xinggang Technology Co.,Ltd. Assignor: SHANDONG MOLONG PETROLEUM MACHINERY Co.,Ltd. Contract record no.: X2023980034949 Denomination of utility model: A Hammer for Reducing Agent Crushing in Melt Reduction Process Granted publication date: 20210824 License type: Common License Record date: 20230423 |