CN207845688U

CN207845688U - Steelwork converter or electric furnace bottom blown gas automatic control device

Info

Publication number: CN207845688U
Application number: CN201820243410.2U
Authority: CN
Inventors: 肖有洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-11
Filing date: 2018-02-11
Publication date: 2018-09-11
Anticipated expiration: 2028-02-11

Abstract

Steelwork converter or electric furnace bottom blown gas automatic control device, including furnace body, the bottom of furnace body is equipped with air inlet pipe, the inner wall of air inlet pipe opens up spiral guide slot, the top of air inlet pipe is equipped with air guide brick, the outside package ventilation net of air guide brick, pressure transducer is fixedly mounted in the Basolateral of air inlet pipe, alarm is fixedly mounted in the bottom of pressure transducer, the output end of pressure transducer connects the input terminal of alarm by electronic circuit, suit decompression packet outside the bottom end of air inlet pipe, decompression packet is internally provided with telescoping tube, the top of telescoping tube is fixedly connected with the bottom end of air inlet pipe, spacing ring is fixedly mounted in the fixing end bottom end inner wall of telescoping tube, the movable end top outer wall of telescoping tube is equipped with several gear columns.It is more uniform that the utility model can be such that argon gas is mixed with alloy melting object, effectively improve the function and effect of argon gas, be capable of the safe operation of automatic detection device, break down can and alarm, realize safety in production, the personal safety of effective protection worker.

Description

Steelwork converter or electric furnace bottom blown gas automatic control device

Technical field

The utility model belongs to metal-working plant field, specifically a kind of steelwork converter or electric furnace bottom blown gas Automatic control device.

Background technology

When steelwork converter or electric furnace bottom blowing enter gases argon, generally argon gas is directly blown by common pipe, argon Gas is disperseed into guiding brick straight, and stream pressure is small, and flow velocity is small, to make argon gas be contacted not with alloy melting object in furnace body It is enough uniform, decline so as to cause the stirring action of argon gas, can not fully drive the floating of field trash and pernicious gas, it is difficult to is full Demand of the sufficient steel mill to the steel production of high quality；In existing production, because argon gas water conservancy diversion phenomenon leads to leading on air guide brick Air-hole blockage is such as persistently blown into argon gas, and the pressure of pipeline increases at this time, and pipeline breaking, argon gas may be caused to reveal when serious, from And it threatens to the personal safety of worker.

Utility model content

A kind of steelwork converter of the utility model offer or electric furnace bottom blown gas automatic control device, to solve existing skill The defects of art.

The utility model is achieved by the following technical programs：

The bottom of steelwork converter or electric furnace bottom blown gas automatic control device, including furnace body, furnace body is equipped with air inlet pipe, into The inner wall of tracheae opens up spiral guide slot, and the top of air inlet pipe is equipped with air guide brick, the outside package ventilation net of air guide brick, air inlet pipe Basolateral pressure transducer is fixedly mounted, alarm, the output of pressure transducer is fixedly mounted in the bottom of pressure transducer End connects the input terminal of alarm by electronic circuit, and suit depressurizes packet outside the bottom end of air inlet pipe, and decompression packet, which is internally provided with, to be stretched The draw, the top of telescoping tube are fixedly connected with the bottom end of air inlet pipe, and spacing ring is fixedly mounted in the fixing end bottom end inner wall of telescoping tube, The movable end top outer wall of telescoping tube is equipped with several gear columns, and gear column can coordinate with the top of spacing ring, the work of telescoping tube Moved end top outer wall opens up several ventholes, is fixedly connected, stretches with the bottom end inner wall of decompression packet outside the movable end of telescoping tube The movable end bottom end of pipe is located at the outside of decompression packet, and check-valves, the movable end bottom of telescoping tube is fixedly mounted in the movable end of telescoping tube Bend pipe stainless joint is fixedly mounted in end, and the other end of bend pipe stainless joint is fixedly connected with one end of connecting tube, connecting tube The other end is fixedly connected with air feed equipment by stainless joint.

Steelwork converter as described above or electric furnace bottom blown gas automatic control device, the inside bottom of the furnace body are set There are protective frame, the top of protective frame that separate mesh is fixedly mounted.

Steelwork converter or electric furnace bottom blown gas automatic control device as described above, the external parties of the air guide brick To being equipped with several gas ports.

Steelwork converter or electric furnace bottom blown gas automatic control device as described above, the spacing ring are gasket Circle.

The utility model has the advantages that：The utility model can be after argon gas enters air inlet pipe, in drawing for spiral guide slot Under stream effect, spiralling gas stream is formed, to keep the stream pressure that argon gas enters guiding brick big, after being oriented to brick, The oriented rotary force for being oriented to the shunting of brick surrounding, it is more uniform to make argon gas mix with alloy melting object, effectively improve argon gas Stirring action can more fully drive the rising of field trash and pernicious gas；After air guide brick is blocked, if without sending out in time Existing, still in the case of sustainable supply argon gas, the pressure in connecting tube and air inlet pipe will increase, and pressure transducer detects air inlet When pressure in pipe increases, the signal detected is passed to alarm by pressure transducer, and the movable end of telescoping tube is in gas at this time Glide under the promotion of pressure, when venthole slides into outside the fixing end of telescoping tube, argon gas by venthole enter decompression wrap into Row buffering.It is more uniform that the utility model can be such that argon gas is mixed with alloy melting object, effectively improves the function and effect of argon gas, energy The safe operation of enough automatic detection devices, break down can and alarm, realize safety in production, the person of effective protection worker Safety.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is I partial enlarged view of Fig. 1.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to The range of the utility model protection.

Steelwork converter or electric furnace bottom blown gas automatic control device, as shown, including furnace body 1, the bottom of furnace body 1 is set There are air inlet pipe 2, the inner wall of air inlet pipe 2 to open up spiral guide slot 3, the top of air inlet pipe 2 is equipped with air guide brick 4, the outside of air guide brick 4 Pressure transducer 7 is fixedly mounted in the Basolateral of package ventilation net 6, air inlet pipe 2, and report is fixedly mounted in the bottom of pressure transducer 7 Alert device 8, the output end of pressure transducer 7 connect the input terminal of alarm 8, the bottom end outer cover of air inlet pipe 2 by electronic circuit Dress decompression packet 9, decompression packet 9 is internally provided with telescoping tube 10, and the top of telescoping tube 10 is fixedly connected with the bottom end of air inlet pipe 2, stretches Spacing ring 11 is fixedly mounted in the fixing end bottom end inner wall of pipe 10, and the movable end top outer wall of telescoping tube 10 is equipped with several gear columns 12, gear column 12 can coordinate with the top of spacing ring 11, and the movable end top outer wall of telescoping tube 10 opens up several ventholes 13, It is fixedly connected with the bottom end inner wall of decompression packet 9 outside the movable end of telescoping tube 10, the movable end bottom end of telescoping tube 10 is located at decompression Check-valves 14 is fixedly mounted in the movable end of the outside of packet 9, telescoping tube 10, and bend pipe is fixedly mounted not in the movable end bottom end of telescoping tube 10 Become rusty steel connector 15, and the other end of bend pipe stainless joint 15 is fixedly connected with one end of connecting tube 16, and the other end of connecting tube 16 is logical It crosses stainless joint and is fixedly connected with air feed equipment 17.The utility model can be after argon gas enters air inlet pipe 2, in spiral guide slot Under 3 drainage, spiralling gas stream is formed, to keep the stream pressure that argon gas enters guiding brick 4 big, passes through guiding After brick 4, the oriented rotary force for being oriented to the shunting of 4 surrounding of brick is more uniform to make argon gas mix with alloy melting object, effectively improves The stirring action of argon gas can more fully drive the rising of field trash and pernicious gas；After air guide brick 4 is blocked, if not having There is timely discovery, still in the case of sustainable supply argon gas, the pressure in connecting tube 16 and air inlet pipe 2 will increase, pressure sensing When device 7 detects that the pressure in air inlet pipe 2 increases, the signal detected is passed to alarm 8 by pressure transducer 7, is stretched at this time The movable end of the draw 10 glides under the promotion of air pressure, when venthole 13 slides into outside the fixing end of telescoping tube 10, argon gas Enter decompression packet 9 into row buffering by venthole.It is more uniform that the utility model can be such that argon gas is mixed with alloy melting object, has Effect improve argon gas function and effect, be capable of the safe operation of automatic detection device, break down can and alarm, realize safety Production, the personal safety of effective protection worker.

Specifically, as shown, the inside bottom of the furnace body 1 described in the present embodiment is equipped with protective frame 18, protective frame 18 Top be fixedly mounted separate mesh 19.The structure can 1 alloy melting object of furnace body be further isolated with air guide brick 4, reduce furnace body 1 Alloy melting object blocks the air admission hole of air guide brick 4, the patency of the air admission hole of air guide brick 4 is ensured, so as to improve this practicality The stability of novel gas supply.

Specifically, as shown, the external parties of air guide brick 4 described in the present embodiment are to being equipped with several gas ports.It should Structure can make gas blow to dispersion it is more uniform, further increase 1 alloy melting object of furnace body be blown into argon gas mix it is uniform Property, to improve the quality of refined material.

Further, as shown, the spacing ring 11 described in the present embodiment is seal washer.The inner wall of the structure can be with The movable end outer wall of telescoping tube 10 coordinates, and argon gas can be avoided to enter decompression packet 9, make argon in the utility model normal operation Gas, well into furnace body 1, makes argon gas resource be fully used by telescoping tube 10 and air inlet pipe 2.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that： It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc. With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims

1. steelwork converter or electric furnace bottom blown gas automatic control device, it is characterised in that：Including furnace body（1）, furnace body（1）Bottom Portion is equipped with air inlet pipe（2）, air inlet pipe（2）Inner wall open up spiral guide slot（3）, air inlet pipe（2）Top be equipped with air guide brick （4）, air guide brick（4）Outside package ventilation net（6）, air inlet pipe（2）Basolateral be fixedly mounted pressure transducer（7）, pressure Strong sensor（7）Bottom be fixedly mounted alarm（8）, pressure transducer（7）Output end pass through electronic circuit connection alarm Device（8）Input terminal, air inlet pipe（2）Bottom end outside suit decompression packet（9）, decompression packet（9）It is internally provided with telescoping tube（10）, stretch The draw（10）Top and air inlet pipe（2）Bottom end be fixedly connected, telescoping tube（10）Fixing end bottom end inner wall limit is fixedly mounted Position ring（11）, telescoping tube（10）Movable end top outer wall be equipped with several gear columns（12）, gear column（12）It can be with spacing ring （11）Top cooperation, telescoping tube（10）Movable end top outer wall open up several ventholes（13）, telescoping tube（10）Activity End is external to wrap with decompression（9）Bottom end inner wall be fixedly connected, telescoping tube（10）Movable end bottom end be located at decompression wrap（9）It is outer Portion, telescoping tube（10）Movable end be fixedly mounted check-valves（14）, telescoping tube（10）Movable end bottom end be fixedly mounted bend pipe not Become rusty steel connector（15）, bend pipe stainless joint（15）The other end be fixedly connected with connecting tube（16）One end, connecting tube（16）'s The other end is fixedly connected with air feed equipment by stainless joint（17）.

2. steelwork converter according to claim 1 or electric furnace bottom blown gas automatic control device, it is characterised in that：It is described Furnace body（1）Inside bottom be equipped with protective frame（18）, protective frame（18）Top be fixedly mounted separate mesh（19）.

3. steelwork converter according to claim 1 or electric furnace bottom blown gas automatic control device, it is characterised in that：It is described Air guide brick（4）External parties to being equipped with several gas ports.

4. steelwork converter according to claim 1 or electric furnace bottom blown gas automatic control device, it is characterised in that：It is described Spacing ring（11）For seal washer.