CN113046518A - Molten iron desulfurization equipment and quick connecting device for rotary desulfurization spray gun of molten iron desulfurization equipment - Google Patents
Molten iron desulfurization equipment and quick connecting device for rotary desulfurization spray gun of molten iron desulfurization equipment Download PDFInfo
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- CN113046518A CN113046518A CN202110281622.6A CN202110281622A CN113046518A CN 113046518 A CN113046518 A CN 113046518A CN 202110281622 A CN202110281622 A CN 202110281622A CN 113046518 A CN113046518 A CN 113046518A
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- rotary
- spray gun
- quick
- desulfurization
- main shaft
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- 239000007921 spray Substances 0.000 title claims abstract description 86
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 41
- 230000023556 desulfurization Effects 0.000 title claims abstract description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses molten iron desulphurization equipment and a quick connecting device for a rotary desulphurization spray gun of the molten iron desulphurization equipment. Above-mentioned quick connecting device that rotatory desulfurization spray gun was used, simple structure, safe and reliable, convenient processing and installation, under the same weight condition, quick connecting device's intensity, rigidity are higher, can improve its fatigue strength and life, simultaneously, easy operation when changing the spray gun, convenient and fast practices thrift and changes the spray gun required time, can reduce operation workman's the degree of difficulty and intensity of operation, have very good application prospect.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to a quick connecting device for a rotary desulfurization spray gun. The invention also relates to molten iron desulphurization equipment with the quick connecting device for the rotary desulphurization spray gun.
Background
The pre-desulfurization of molten iron is a main process link for determining the final sulfur content of molten steel. The desulphurization pretreatment of the molten iron can reduce the burden of smelting desulphurization of a blast furnace and a converter, and bring higher economic benefit to enterprises. At present, the applied desulfurization process mainly includes KR method and blowing method (also called gas stirring method), as shown in fig. 1, in the process equipment adopting KR method, the connection mode adopted by the stirring head in the rotary desulfurization spray gun 04 is flange connection, that is, the rotary main shaft 01 and the upper half part of the connecting flange 02 are in interference fit, and are fixedly connected with the flange connected to the lower half part of the spray gun 04 through keys and high-strength bolts 03. However, because the spray gun 04 is frequently replaced, the field environment temperature is high, and the conditions are poor, 8-12 bolts need to be replaced each time the desulfurization spray gun is replaced, the time is long, and the labor intensity is high.
Therefore, how to avoid the low working efficiency caused by the flange connection of the stirring head in the rotary desulfurization spray gun is a technical problem to be solved by the technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a quick connecting device for a rotary desulfurization spray gun, which has a simple structure and is convenient to operate, and can conveniently and quickly realize the fixed connection of a rotary main shaft and the spray gun. Another object of the present invention is to provide a molten iron desulfurization apparatus including the above-described quick coupling device for a rotary desulfurization lance.
In order to achieve the above object, the present invention provides a quick connection device for a rotary desulfurization spray gun, comprising a clamping base for fixedly connecting with a rotary main shaft, a rotary fixing component rotatably connected with the clamping base, wherein the rotary fixing component and the clamping base form a limiting cavity for clamping the spray gun, and a pipeline connection component, wherein two ends of the pipeline connection component are respectively used for connecting with an outlet of a hollow pipeline of the rotary main shaft and an inlet of the hollow pipeline of the spray gun.
Optionally, the conduit connection assembly comprises a first connector for connecting with an outlet of the hollow conduit of the rotary spindle and a second connector for connecting with an inlet of the hollow conduit of the spray gun, the first connector is connected with a first hose assembly, the second connector is connected with a second hose assembly, and the first hose assembly and the second hose assembly are connected by a quick-change connector.
Optionally, the first joint and the second joint are both tapered threaded joints.
Optionally, the number of the rotary fastening assemblies is two, and the two rotary fastening assemblies are arranged at a preset interval.
Optionally, any one of the rotary fixedly-connected components comprises a pressing plate, a pull rod and a wedge block, the pressing plate and the pull rod are hinged to the clamping base through a first pin shaft and a second pin shaft respectively, one end, far away from the hinged end, of the pressing plate is provided with a holding groove for the pull rod to rotate in, one end, far away from the hinged end, of the pull rod is provided with a jack, the side wall of the pressing plate is provided with a slot, and when the pull rod rotates in the holding groove, the wedge block penetrates into the slot and the jack to be fixedly connected with the pressing plate and the pull rod.
Optionally, the clamping base includes a thick-walled cylinder, two clamping blocks are arranged in the thick-walled cylinder and are respectively butted with the two rotary fastening assemblies to form the limiting cavity, and the two clamping blocks are respectively contacted and abutted with the upper clamping end face and the lower clamping end face of the spray gun to realize axial positioning of the spray gun.
Optionally, any of the clamping blocks is provided with an L-shaped groove.
Optionally, the centre gripping base is still including locating the notch cuttype connecting block at the top of thick wall drum, the notch cuttype connecting block is equipped with the hole that the installation end that is used for supplying rotary main shaft stretches into, the notch cuttype connecting block passes through the key-type connection with rotary main shaft, still include for being connected with rotary main shaft's installation end cooperation with will centre gripping base rigid coupling in rotary main shaft's adjustable ring, lock washer and round nut.
Optionally, a first rib plate is arranged between the stepped connecting block and the thick-wall cylinder, and a plurality of second rib plates distributed along the circumferential direction are arranged on the inner wall of the thick-wall cylinder.
The invention also provides molten iron desulphurization equipment which comprises the quick connecting device for the rotary desulphurization spray gun.
Compared with the background art, the quick connecting device for the rotary desulfurization spray gun comprises a clamping base and a rotary fixedly-connected component, wherein the clamping base is fixedly connected with a rotary main shaft, the rotary fixedly-connected component is rotatably connected with the clamping base, the rotary fixedly-connected component and the clamping base can form a limiting cavity for clamping the spray gun, and further the quick connecting device further comprises a pipeline connecting component, and two ends of the pipeline connecting component are respectively detachably connected to an outlet of a hollow pipeline of the rotary main shaft and an inlet of the hollow pipeline of the spray gun. During installation, the clamping base is fixedly connected to the rotating main shaft, the spray gun is installed and positioned in a limiting cavity formed by the clamping base and the rotating fixedly-connected component, and finally the pipeline connecting component is fixedly connected between the rotating main shaft and the spray gun; when the device is disassembled, the pipeline connecting assembly is disconnected with the rotary main shaft and the spray gun, and then the rotary fixedly-connected assembly is disassembled and lifted away from the spray gun. Compared with the flange connection mode in the prior art, 8-12 bolts need to be replaced each time when the spray gun is replaced, the time is long, and the labor intensity is high.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view showing a connection structure of a rotary desulfurization lance in the prior art;
FIG. 2 is a schematic structural view of a quick-connect apparatus for a rotary desulfurization lance according to an embodiment of the present invention;
FIG. 3 is a schematic view of another angle of the quick connect apparatus;
FIG. 4 is an assembled view of the quick connect apparatus;
FIG. 5 is a front view of FIG. 4;
FIG. 6 is a cross-sectional view of section A-A of FIG. 5;
fig. 7 is an enlarged view of a portion a of fig. 6.
Wherein:
01-rotating the main shaft; 011-hollow conduit of rotating spindle; 02-connecting flange; 03-high strength bolt; 04-a spray gun; 041-hollow conduit of the spray gun; 1-clamping a base; 11-step-shaped connecting blocks; 12-a first rib plate; 13-thick walled cylinder; 14-a clamping block; 15-second rib plate; 2-rotating the fixed connection assembly; 21-pressing plate; 22-a pull rod; 23-wedge block; 24-a first pin; 25-a second pin; 3-a limiting cavity; 4-a pipeline connecting assembly; 41-a first joint; 42-a first hose assembly; 43-quick change coupler; 44-a second hose assembly; 45-second joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a quick connecting device for a rotary desulfurization spray gun, which has simple structure and convenient operation and can conveniently and quickly realize the fixed connection of a rotary main shaft and the spray gun. Another core of the present invention is to provide a molten iron desulfurization apparatus including the above-described quick coupling device for a rotary desulfurization lance.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.
Referring to fig. 2 to 7, fig. 2 is a schematic structural diagram of a quick connection device for a rotary desulfurization lance according to an embodiment of the present invention; FIG. 3 is a schematic view of another angle of the quick connect apparatus; FIG. 4 is an assembled view of the quick connect apparatus; FIG. 5 is a front view of FIG. 4;
FIG. 6 is a cross-sectional view of section A-A of FIG. 5; fig. 7 is an enlarged view of a portion a of fig. 6.
The quick connecting device for the rotary desulfurization spray gun comprises a clamping base 1 and a rotary fixedly-connected component 2, wherein the clamping base 1 is fixedly connected with a rotary main shaft 01, the rotary fixedly-connected component 2 is rotatably connected with the clamping base 1, the rotary fixedly-connected component 2 and the clamping base 1 can form a limiting cavity 3 for clamping the spray gun 04, the limiting cavity 3 can be matched with the structure of the spray gun 04, and after the rotary fixedly-connected component 2 is combined and connected, the cavity can form a cavity capable of clamping the spray gun 04 to realize circumferential positioning of the spray gun 04 with the clamping base 1.
It should be noted that, because the cross section of the spray gun 04 that this application adopted is square shaft-like, consequently, the structure of above-mentioned spacing chamber 3 also should set up to square, so, can mill out an L type groove in centre gripping base 1, simultaneously, form after rotatory link firmly subassembly 2 built-up connection can another L type groove, splice through two L type grooves in order to realize the location to spray gun 04. Of course, the structure of the limiting cavity 3 can be adjusted according to the structure of the spray gun 04, provided that the circumferential positioning effect on the spray gun 04 is ensured.
Further, the quick connection device further comprises a pipeline connection assembly 4, and two ends of the pipeline connection assembly 4 are respectively connected to the outlet of the hollow pipeline 011 of the rotating main shaft and the inlet of the hollow pipeline 041 of the spray gun.
During installation, the clamping base 1 is fixedly connected to the rotating main shaft 01, the spray gun 04 is installed and positioned in a limiting cavity 3 formed by the clamping base 1 and the rotating fixedly-connected component 2, and finally the pipeline connecting component 4 is fixedly connected between the rotating main shaft 01 and the spray gun 04; when the device is disassembled, the pipeline connecting assembly 4 is disconnected with the rotary main shaft 01 and the spray gun 04, then the rotary fixedly-connected assembly 2 is disassembled, and the spray gun 04 is lifted away.
Compared with a flange connection mode in the prior art, 8-12 bolts need to be replaced each time when the spray gun 04 is replaced, the time is long, and the labor intensity is high. The quick connecting device provided by the embodiment of the invention has the advantages of simple structure, safety, reliability and convenience in processing and installation, has higher strength and rigidity under the condition of the same weight, can improve the fatigue strength and prolong the service life of the quick connecting device, is simple, convenient and quick to operate when the spray gun 04 is replaced, saves the time required for replacing the spray gun 04, can reduce the operation difficulty and strength of operators, and has a very good application prospect.
Of course, the above-mentioned pipe connection assembly 4 can be detachably connected to the outlet of the hollow pipe 011 of the rotary main shaft and the inlet of the hollow pipe 041 of the spray gun according to actual needs. Of course, the pipeline connecting component 4 can also be fixedly connected by welding steel plates or sleeving (interference fit). The pipeline connecting component 4 is preferably fixed by adopting a detachable connection mode of threaded connection.
Specifically, the conduit connection assembly 4 includes a first connector 41, a first hose assembly 42, a quick-change connector 43, a second hose assembly 44, and a second connector 45. Wherein, the first connector 41 is used for connecting with the outlet of the hollow pipeline 011 of the rotating main shaft, the second connector 45 is used for connecting with the inlet of the hollow pipeline 041 of the spray gun, the first connector 41 is connected with the first hose assembly 42, the second connector 45 is connected with the second hose assembly 44, and the first hose assembly 42 and the second hose assembly 44 are connected through the quick-change connector 43.
Preferably, the first joint 41 and the second joint 45 are tapered threaded joints, so that the tightness of the thread pair is ensured, thereby preventing the leakage of the desulfurizing agent.
Therefore, when the pipeline connecting assembly 4 is installed, firstly, the quick-change connector 43 is opened, the pipeline connecting assembly 4 is disassembled into an upper part and a lower part, then, the tapered threaded connectors of the upper part and the lower part are respectively screwed into the outlet of the hollow pipeline 011 of the rotating main shaft and the inlet of the hollow pipeline 041 of the spray gun, and finally, the upper part and the lower part of the pipeline connecting assembly 4 are assembled together through the quick-change connector 43; when the pipeline connecting assembly 4 is disassembled, firstly, the quick-change connector 43 is opened, the pipeline connecting assembly 4 is disassembled into an upper part and a lower part, then the tapered threaded connectors of the upper part and the lower part are respectively screwed out of the outlet of the hollow pipeline 011 of the rotating main shaft and the inlet of the hollow pipeline 041 of the spray gun, and finally, the upper part and the lower part of the pipeline connecting assembly 4 are assembled together through the quick-change connector 43 for standby.
In order to realize the stability fixed to spray gun 04, the above-mentioned quantity that the rotation linked firmly subassembly 2 is two, and two rotations link firmly subassembly 2 in order to predetermine the interval setting.
Wherein, arbitrary rotation links firmly subassembly 2 includes clamp plate 21, pull rod 22 and voussoir 23, and clamp plate 21 and pull rod 22 are articulated with centre gripping base 1 through first round pin axle 24 and second round pin axle 25 respectively, and clamp plate 21 keeps away from its articulated one end to be equipped with and is used for supplying the holding tank that pull rod 22 changes over to, and pull rod 22 keeps away from its articulated one end and is equipped with the jack, and the lateral wall of clamp plate 21 is equipped with the slot, and when pull rod 22 changes over to the holding tank, penetrates slot and jack through voussoir 23 to rigid coupling clamp plate 21 and pull rod 22. The slot and the jack can be arranged into a U-shaped or semi-U-shaped structure.
Certainly, the above-mentioned rotation fixedly connecting component 2 can also be set to include a rotation positioning block, one end of the rotation positioning block is hinged on the clamping base 1, one of the other end of the rotation positioning block and the clamping base 1 is selected to be provided with a clamping groove, correspondingly, the other is provided with a clamping protrusion clamped with the clamping groove, and meanwhile, the other is inserted into the slot at the other end of the rotation positioning block and the slot of the clamping base 1 through the pin shaft, so that the fixation of the rotation positioning block and the clamping base is realized. The first connection is preferred here.
In order to realize the axial positioning of the spray gun 04, the clamping base 1 comprises a thick-wall cylinder 13, two clamping blocks 14 which are respectively butted with the two rotary fixedly-connected assemblies 2 to form a limiting cavity 3 are arranged in the thick-wall cylinder 13, and an L-shaped groove is formed in any one clamping block 14.
The two clamping blocks 14 are respectively contacted and abutted with the upper clamping end face and the lower clamping end face of the spray gun 04, so that the axial positioning of the spray gun 04 is realized. Specifically, the outer side wall of the spray gun 04 is provided with two annular protruding structures, the lower end face (upper clamping end face) of the annular protruding structure located above is in fit contact with the upper end face of the clamping block 14 located above, and the upper end face (lower clamping end face) of the annular protruding structure located below is in fit contact with the lower end face of the clamping block 14 located below.
In this way, when the spray gun 04 is mounted, first, the wedge 23 is pulled out, and the pressing plate 21 and the pull rod 22 are unfolded; then, hanging the spray gun 04 in, attaching the square outer surface of the spray gun 04 to the inner surface of the L-shaped groove of the clamping block 14 of the clamping base 1, and simultaneously attaching the upper clamping end surface of the spray gun 04 to the upper end surface of the clamping block 14 positioned above the spray gun 04, thereby realizing the axial positioning of the spray gun 04; then, closing the upper and lower pressing plates 21 and the pull rod 22 to enable the L-shaped grooves of the upper and lower pressing plates 21 to be attached to the other two surfaces of the square outer surface of the spray gun 04; finally, the wedge block 23 is knocked into the slot of the pressure plate 21 and the insertion hole of the pull rod 22, and the spray gun 04 is tightly pressed with the limiting cavity 3 formed by the combination of the clamping base 1, the pressure plate 21 and the pull rod 22, so that the circumferential positioning of the spray gun 04 is realized.
In order to realize the fixed connection of the clamping base 1 and the rotating main shaft 01, the clamping base 1 further comprises a step-shaped connecting block 11 arranged at the top of the thick-wall cylinder 13, the step-shaped connecting block 11 is provided with an inner hole for the installation end of the rotating main shaft 01 to extend into, the step-shaped connecting block 11 is connected with the rotating main shaft 01 through a key, and the clamping base further comprises an adjusting ring, a locking washer and a round nut, wherein the adjusting ring, the locking washer and the round nut are used for being connected with the installation end of the rotating main shaft 01 in a matched mode to fixedly. When the installation is carried out, firstly, an inner hole of the stepped connecting block 11 of the clamping base 1 is sleeved into the installation end at the lower part of the rotating main shaft 01, and key grooves are aligned; then, a key is knocked in, the adjusting ring and the locking washer are sleeved into the mounting end of the rotating main shaft 01, the round nut is screwed, and the locking washer is used for locking, so that the clamping base 1 is fixedly connected to the rotating main shaft 01.
In addition, in order to ensure the structural stability and firmness of the clamping base 1, a first rib plate 12 is arranged between the stepped connecting block 11 and the thick-wall cylinder 13, and a plurality of second rib plates 15 distributed along the circumferential direction are arranged on the inner wall of the thick-wall cylinder 13. Specifically, 4-8 first rib plates 12 are uniformly distributed between the stepped connecting block 11 and the thick-wall cylinder 13 along the circumference, 4-8 second rib plates 15 are uniformly distributed in the upper, middle and lower semicircular areas of the inner wall of the thick-wall cylinder 13, and the length of each second rib plate 15 is equal to that of the cavity.
In summary, the installation steps of the quick connection device for a rotary desulfurization lance provided by the embodiment of the present invention are as follows:
(1) mounting and clamping base 1
1) Sleeving an inner hole of a stepped connecting block 11 of a clamping base 1 into a mounting end at the lower part of a rotary main shaft 01, and aligning key grooves;
2) and (3) knocking in a key, sleeving the adjusting ring and the locking washer into the mounting end of the rotating main shaft 01, screwing the round nut, and locking through the locking washer, so that the clamping base 1 is fixedly connected to the rotating main shaft 01.
(2) Mounting the lance 04
1) Pulling out the wedge 23, and unfolding the pressing plate 21 and the pull rod 22;
2) hanging the spray gun 04, attaching the square outer surface of the spray gun 04 to the inner surface of an L-shaped groove of the clamping block 14 of the clamping base 1, and attaching the upper clamping end surface of the spray gun 04 to the upper end surface of the clamping block 14 positioned above the spray gun 04, so that the axial positioning of the spray gun 04 is realized;
3) closing the upper and lower pressing plates 21 and the pull rod 22 to enable the L-shaped grooves of the upper and lower pressing plates 21 to be attached to the other two surfaces of the square outer surface of the spray gun 04;
4) the wedge block 23 is knocked into the slot of the pressure plate 21 and the insertion hole of the pull rod 22, and the spray gun 04 is tightly pressed with the limiting cavity 3 formed by the combination of the clamping base 1, the pressure plate 21 and the pull rod 22, so that the circumferential positioning of the spray gun 04 is realized.
(3) Connecting pipeline connecting component 4
1) The quick-change connector 43 is opened, and the pipeline connecting assembly 4 is split into an upper part and a lower part;
2) screwing the conical threaded joints of the upper part and the lower part into the outlet of the hollow pipeline 011 of the rotating main shaft and the inlet of the hollow pipeline 041 of the spray gun respectively;
3) the upper and lower parts of the conduit coupling assembly 4 are assembled together by means of the quick change couplings 43.
The disassembly steps of the quick connecting device for the rotary desulfurization spray gun are as follows:
(1) dismantle pipeline coupling assembling 4
1) The quick-change connector 43 is opened, and the pipeline connecting assembly 4 is split into an upper part and a lower part;
2) screwing the conical threaded joints of the upper part and the lower part out of an outlet of a hollow pipeline 011 of the rotating main shaft and an inlet of a hollow pipeline 041 of the spray gun respectively;
3) the upper and lower parts of the conduit coupling assembly 4 are assembled together by the quick change couplings 43 and are ready for use.
(2) Dismantle spray gun 04
1) Pulling out the wedge 23, and unfolding the pressing plate 21 and the pull rod 22;
2) the lance 04 is lifted off the clamping base 1.
The molten iron desulphurization equipment provided by the invention comprises the quick connecting device for the rotary desulphurization spray gun described in the specific embodiment; other parts of the molten iron desulfurization apparatus can be referred to the prior art and will not be expanded herein.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The molten iron desulfurization apparatus and the quick connection device for the rotary desulfurization lance thereof according to the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are provided only to help understand the concepts of the present invention and the core concepts thereof. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a quick connecting device that rotatory desulfurization spray gun was used, its characterized in that, include for the centre gripping base (1) with rotatory main shaft (01) rigid coupling, and with centre gripping base (1) rotates the rotation of connecting and links firmly subassembly (2), the rotation link firmly subassembly (2) with centre gripping base (1) forms spacing chamber (3) for chucking spray gun (04), still includes pipeline coupling assembling (4), the both ends of pipeline coupling assembling (4) are used for connecting in the export of the cavity pipeline of rotatory main shaft (011) and the entry of the cavity pipeline of spray gun (041) respectively.
2. The quick-coupling device for a rotary desulfurization lance of claim 1, characterized in that said conduit connection assembly (4) comprises a first connector (41) for connection with the outlet of the hollow conduit (011) of the rotary main shaft and a second connector (45) for connection with the inlet of the hollow conduit (041) of the lance, said first connector (41) being connected to a first hose assembly (42), said second connector (45) being connected to a second hose assembly (44), said first hose assembly (42) and said second hose assembly (44) being connected by means of a quick-change connector (43).
3. The quick-connect device for a rotary desulfurization lance of claim 2, characterized in that the first joint (41) and the second joint (45) are both tapered threaded joints.
4. A quick-coupling device for a rotary desulfurization lance according to any one of claims 1 to 3, characterized in that the number of the rotary attachment assemblies (2) is two, the two rotary attachment assemblies (2) being arranged at a predetermined distance.
5. The quick connecting device for the rotary desulfurization spray gun according to claim 4, characterized in that any one of the rotary fixedly-connected components (2) comprises a pressing plate (21), a pull rod (22) and a wedge block (23), wherein the pressing plate (21) and the pull rod (22) are respectively hinged with the clamping base (1) through a first pin shaft (24) and a second pin shaft (25), an accommodating groove for the rotation of the pull rod (22) is formed in one end, away from the hinged end, of the pressing plate (21), an inserting hole is formed in one end, away from the hinged end, of the pull rod (22), a inserting groove is formed in the side wall of the pressing plate (21), and when the pull rod (22) rotates into the accommodating groove, the wedge block (23) penetrates into the inserting groove and the inserting hole to fixedly connect the pressing plate (21) and the pull rod (22).
6. The quick-connection device for a rotary desulfurization lance according to claim 4, characterized in that the clamping base (1) comprises a thick-walled cylinder (13), two clamping blocks (14) are arranged in the thick-walled cylinder (13) and are respectively butted with the two rotary fastening assemblies (2) to form the limiting cavity (3), and the two clamping blocks (14) are respectively abutted with the upper clamping end face and the lower clamping end face of the lance (04) in a contact manner to realize the axial positioning of the lance (04).
7. The quick-connect device for a rotary desulfurization lance of claim 6, wherein any one of the clamping blocks (14) is provided with an L-shaped groove.
8. The quick-connection device for a rotary desulfurization lance according to claim 6, wherein the clamping base (1) further comprises a stepped connection block (11) provided at the top of the thick-walled cylinder (13), the stepped connection block (11) is provided with an inner hole for the installation end of the rotary main shaft (01) to extend into, the stepped connection block (11) is connected with the rotary main shaft (01) through a key, and further comprises an adjusting ring, a lock washer and a round nut for being cooperatively connected with the installation end of the rotary main shaft (01) to fixedly connect the clamping base (1) to the rotary main shaft (01).
9. The quick connection device for a rotary desulfurization lance according to claim 8, characterized in that a first rib plate (12) is provided between the stepped connection block (11) and the thick-walled cylinder (13), and the inner wall of the thick-walled cylinder (13) is provided with a plurality of second rib plates (15) distributed in the circumferential direction.
10. A molten iron desulfurization apparatus comprising the quick-coupling device for a rotary desulfurization lance defined in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110281622.6A CN113046518A (en) | 2021-03-16 | 2021-03-16 | Molten iron desulfurization equipment and quick connecting device for rotary desulfurization spray gun of molten iron desulfurization equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110281622.6A CN113046518A (en) | 2021-03-16 | 2021-03-16 | Molten iron desulfurization equipment and quick connecting device for rotary desulfurization spray gun of molten iron desulfurization equipment |
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| CN113046518A true CN113046518A (en) | 2021-06-29 |
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| CN202110281622.6A Pending CN113046518A (en) | 2021-03-16 | 2021-03-16 | Molten iron desulfurization equipment and quick connecting device for rotary desulfurization spray gun of molten iron desulfurization equipment |
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| CN (1) | CN113046518A (en) |
Citations (13)
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