CN213067057U

CN213067057U - Liquid oxygen system for smelting furnace

Info

Publication number: CN213067057U
Application number: CN202022187071.0U
Authority: CN
Inventors: 余德高
Original assignee: Sichuan Chuanzhong Wire & Cable Co ltd
Current assignee: Sichuan Chuanzhong Wire & Cable Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-04-27
Anticipated expiration: 2030-09-29

Abstract

The utility model provides a liquid oxygen system for smelting furnace, including smelting furnace body, conveyer pipe and liquid oxygen holding vessel, liquid oxygen holding vessel and smelting furnace body pass through the conveyer pipe switch-on, the one end that is close to the liquid oxygen holding vessel on the conveyer pipe is equipped with the relief valve, the one end that is close to the smelting furnace body on the conveyer pipe is equipped with the check valve, still be equipped with flow control valve on the conveyer pipe, just flow control valve sets up between relief valve and check valve, and the in-process of solving smelting furnace smelting is with liquid oxygen as fuel, but at the in-process that uses, the volume of the demand of the often unnecessary reality of providing of liquid oxygen can cause the too much consumption of liquid oxygen, causes the extravagant problem of the energy.

Description

Liquid oxygen system for smelting furnace

Technical Field

The utility model relates to a smelt technical field, concretely relates to liquid oxygen system for smelting furnace.

Background

Smelting is a refining technology, which is to extract metals from ores by roasting, smelting, electrolysis and using chemical agents, reduce impurities contained in the metals or increase certain components in the metals to smelt the required metals.

In the smelting process of the smelting furnace, liquid oxygen is often used as fuel, but in the using process, the supply of the liquid oxygen is always redundant to the actual demand, so that the excessive consumption of the liquid oxygen is caused, and the energy waste is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid oxygen system for smelting furnace solves the in-process of smelting furnace smelting and uses liquid oxygen as fuel, but at the in-process that uses, the quantity of the often unnecessary actual demand of providing of liquid oxygen can cause the too much consumption of liquid oxygen, causes the extravagant problem of the energy.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a liquid oxygen system for smelting furnace, includes smelting furnace body, conveyer pipe and liquid oxygen holding vessel, liquid oxygen holding vessel and smelting furnace body pass through the conveyer pipe switch-on, the one end that is close to the liquid oxygen holding vessel on the conveyer pipe is equipped with the relief valve, the one end that is close to the smelting furnace body on the conveyer pipe is equipped with the check valve, still be equipped with flow control valve on the conveyer pipe, just flow control valve sets up between relief valve and check valve.

The liquid oxygen storage tank comprises a tank body, an upper cover is arranged at the upper end of the tank body, the tank body is connected with the upper cover through bolts, a hydraulic indicator used for displaying the pressure in the tank body is arranged on the upper cover, a hanging lug used for lifting the tank body is arranged on the upper cover, a liquid inlet pipe is arranged at the upper end of one side of the tank body, a liquid outlet pipe is arranged at the lower end of one side of the tank body, control valves are arranged on the liquid outlet pipe and the liquid inlet pipe, and handles are arranged on two opposite sides of the tank body.

A further technical scheme is that the lower extreme of liquid oxygen holding vessel is equipped with the shallow, the shallow includes bottom plate, pulley and the cabinet body, the pulley sets up the lower extreme at the bottom plate, the bottom plate up end is equipped with the standing groove, the jar body sets up in the standing groove, the cabinet body sets up the up end of bottom plate, one side of the cabinet body is equipped with the circular arc groove, the outer wall laminating of the jar body is in the circular arc inslot, the up end of the cabinet body is equipped with the fire control groove, is equipped with the fire extinguisher in the fire control groove, the lower extreme of the cabinet body is equipped with the fixing device who is used for the fixed jar body, cabinet body one side is equipped.

A further technical scheme is that, encircle the outer wall of jar body lower extreme is equipped with and is annular third spacing groove, fixing device includes head rod, second connecting rod, first arc and second arc, cabinet body lower extreme is equipped with the horizontal pole, the one end of head rod and second connecting rod all is articulated with the horizontal pole, the other end of head rod and second connecting rod is connected with the one end of first arc and second arc respectively, the other end of second arc is equipped with first spacing groove, the other end of head rod and the first spacing groove sliding connection of second arc, first arc and second arc are located both ends about the third spacing groove respectively, and the card is established at the third spacing inslot.

Further technical scheme is, the outer wall of second arc is equipped with a plurality of through-holes that are linked together with first spacing groove, the vertical mounting groove that is equipped with of one end that the head rod was kept away from to first arc, the cell wall both sides that the mounting groove is relative all are equipped with the spacing groove of second, be equipped with compression spring in the mounting groove, compression spring's lower extreme is connected with the bottom of mounting groove, and the upper end is connected with spacing post, compression spring's one end is kept away from to spacing post passes the mounting groove to extend to the outside of first arc, slide in the spacing inslot of second and be equipped with the limiting plate, just limiting plate and spacing post fixed connection, the upper end of spacing post is circular-arcly, and the size and the through-hole adaptation of spacing.

According to a further technical scheme, the righting device comprises a connecting belt and a fixing belt, the fixing belt is transversely arranged on one side of the cabinet body, a clamping block is arranged on the fixing belt, one end of the connecting belt is connected with the other side of the cabinet body, a clamping ring is arranged at the other end of the connecting belt, and the clamping ring is sleeved on the clamping block; the fixture block includes montant and circular arc piece, the lower extreme of montant is connected the fixed band perpendicularly, the circular arc piece sets up in the upper end of montant, and sets up in the one side of keeping away from the jar body.

Compared with the prior art, the beneficial effects of the utility model are that:

liquid oxygen storage jar is carried liquid oxygen to the smelting furnace this internally through the conveyer pipe, and the one end that is close to the liquid oxygen holding vessel on the conveyer pipe is equipped with the relief valve, and the relief valve is used for when the conveyer pipe does not have liquid oxygen, maintains that intraductal pressure is normal, and the one end that is close to the smelting furnace body on the conveyer pipe is equipped with the check valve, avoids liquid oxygen backward flow in the conveyer pipe, still is equipped with flow control valve on the conveyer pipe, just flow control valve sets up between relief valve and check valve, and flow control valve can the accurate control liquid oxygen volume through the conveyer pipe to avoided too much liquid oxygen to be defeated to the smelting furnace originally internally, caused the.

Drawings

Fig. 1 is a schematic connection diagram of a liquid oxygen system for a smelting furnace according to the present invention.

Fig. 2 is a schematic view of the structure of the tank body of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural view of the middle fixing device of the present invention.

Fig. 5 is a partially enlarged view of the portion B in fig. 4.

Fig. 6 is a schematic view of the connection between the connecting band and the fixing band of the present invention.

Table of the drawing indication: 1-smelting furnace body, 2-conveying pipe, 3-liquid oxygen storage tank, 4-pressure relief valve, 5-one-way valve, 6-flow control valve, 7-tank body, 8-upper cover, 9-hydraulic indicator, 10-hanging lug, 11-liquid inlet pipe, 12-liquid outlet pipe, 13-control valve, 14-lifting handle, 15-bottom plate, 16-pulley, 17-cabinet body, 18-fire fighting groove, 19-third limiting groove, 20-first connecting rod, 21-second connecting rod, 22-first arc part, 23-second arc part, 24-cross rod, 25-first limiting groove, 26-through hole, 27-mounting groove, 28-second limiting groove, 29-compression spring, 30-limiting column, 31-limiting plate, 32-connecting belt, 33-fixing belt, 34-snap ring, 35-vertical rod, and 36-circular arc block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example (b):

fig. 1-6 show a preferred embodiment of the liquid oxygen system for smelting furnace of the present invention, the liquid oxygen system in this embodiment specifically includes smelting furnace body 1, conveyer pipe 2 and liquid oxygen holding vessel 3, liquid oxygen holding vessel 3 and smelting furnace body 1 are put through conveyer pipe 2, the one end that is close to liquid oxygen holding vessel 3 on conveyer pipe 2 is equipped with relief valve 4, the one end that is close to smelting furnace body 1 on conveyer pipe 2 is equipped with check valve 5, still be equipped with flow control valve 13 on conveyer pipe 2, just flow control valve 13 sets up between relief valve 4 and check valve 5.

The utility model discloses a theory of operation is: liquid oxygen storage jar passes through conveyer pipe 2 and carries liquid oxygen to smelting furnace body 1 in, the one end that is close to liquid oxygen holding vessel 3 on conveyer pipe 2 is equipped with relief valve 4, relief valve 4 is used for when conveyer pipe 2 does not have liquid oxygen, it is normal to maintain intraductal pressure, the one end that is close to smelting furnace body 1 on conveyer pipe 2 is equipped with check valve 5, avoids liquid oxygen to flow back in conveyer pipe 2, still is equipped with flow control valve 13 on conveyer pipe 2, just flow control valve 13 sets up between relief valve 4 and check valve 5, and flow control valve 13 can the accurate control liquid oxygen volume through conveyer pipe 2 to avoided too much liquid oxygen to be defeated to smelting furnace body 1 in, caused the waste of resource.

Preferably, the liquid oxygen storage tank 3 comprises a tank body 7, an upper cover 8 is arranged at the upper end of the tank body 7, the tank body 7 is connected with the upper cover 8 through bolts, a hydraulic indicator 9 for displaying the pressure inside the tank body 7 is arranged on the upper cover 8, a hanging lug 10 for lifting the tank body 7 is arranged on the upper cover 8, a liquid inlet pipe 11 is arranged at the upper end of one side of the tank body 7, a liquid outlet pipe 12 is arranged at the lower end of one side of the tank body 7, control valves 13 are respectively arranged on the liquid outlet pipe 12 and the liquid inlet pipe 11, handles 14 are respectively arranged at two opposite sides of the tank body 7, the upper cover 8 is connected with the tank body 7 through bolts, the hydraulic indicator 9 for displaying the pressure inside the tank body 7 is arranged on the upper cover 8, the hanging lugs 10 at two sides of the pressure gauge are used for hanging hooks, liquid oxygen is added into the tank body 7 from the liquid inlet pipe 11 at the upper end, all be equipped with control valve 13 on drain pipe 12 and the feed liquor pipe 11, conveniently control drain pipe 12 and feed liquor pipe 11 and carry out work, jar body 7 relative both sides all are equipped with handle 14, conveniently carry jar body 7.

Preferably, a cart is arranged at the lower end of the liquid oxygen storage tank 3, the cart comprises a bottom plate 15, pulleys 16 and a cabinet body 17, the pulleys 16 are arranged at the lower end of the bottom plate 15, a placing groove is arranged on the upper end surface of the bottom plate 15, the tank body 7 is arranged in the placing groove, the cabinet body 17 is arranged on the upper end surface of the bottom plate 15, an arc groove is arranged on one side of the cabinet body 17, the outer wall of the tank body 7 is attached in the arc groove, a fire fighting groove 18 is arranged on the upper end surface of the cabinet body 17, a fire extinguisher is arranged in the fire fighting groove 18, a fixing device for fixing the tank body 7 is arranged at the lower end of the cabinet body 17, a righting device is arranged on one side of the cabinet body 17, the cart is convenient for carrying the tank body 7, specifically, the pulleys 16 are arranged at the lower end of the bottom plate 15, the placing groove with the size matched with the tank body 7 is arranged on the upper end surface, the fire extinguisher is arranged in the fire fighting groove 18 and used for placing accidents and extinguishing fire quickly, the fixing device is used for fixing the tank body 7, and the righting device is used for preventing the tank body 7 from shaking or shaking left and right in the moving process of the cart.

Preferably, the lower end of the tank body 7 is provided with a third annular limiting groove 19, the fixing device comprises a first connecting rod 20, a second connecting rod 21, a first arc portion 22 and a second arc portion 23, the lower end of the cabinet body 17 is provided with a cross rod 24, one ends of the first connecting rod 20 and the second connecting rod 21 are hinged to the cross rod 24, the other ends of the first connecting rod 20 and the second connecting rod 21 are respectively connected to one ends of the first arc portion 22 and the second arc portion 23, the other end of the second arc portion 23 is provided with a first limiting groove 25, the other end of the first connecting rod 20 is slidably connected to the first limiting groove 25 of the second arc portion 23, the first arc portion 22 and the second arc portion 23 are respectively located at the left end and the right end of the third limiting groove 19 and are clamped in the third limiting groove 19, one end of the first connecting rod 20 and one end of the second connecting rod 21 of the fixing device are both hinged to the cross rod 24, the other end of head rod 20 is connected with the one end of first arc 22, and the other end of second connecting rod 21 is connected with the one end of second arc 23, and the other end of second arc 23 is equipped with first spacing groove 25, the other end of head rod 20 and the first spacing groove 25 sliding connection of second arc 23, and first arc 22 and second arc 23 are located third spacing groove 19 both ends about respectively, when making first arc 22 and second arc 23 connect, the one end sliding connection of first arc 22 is in first spacing groove 25, and first arc 22 and second arc 23 are located third spacing groove 19 both ends about respectively for the restriction jar body 7 removes.

Preferably, the outer wall of the second arc portion 23 is provided with a plurality of through holes 26 communicated with the first limiting groove 25, the first arc portion 22 is provided with a mounting groove 27 in the vertical direction of the end far away from the first connecting rod 20, the two sides of the groove wall opposite to the mounting groove 27 are provided with second limiting grooves 28, a compression spring 29 is arranged in the mounting groove 27, the lower end of the compression spring 29 is connected with the bottom of the mounting groove 27, the upper end of the compression spring is connected with a limiting post 30, the end of the limiting post 30 far away from the compression spring 29 passes through the mounting groove 27 and extends to the outer side of the first arc portion 22, a limiting plate 31 is arranged in the second limiting groove 28 in a sliding manner, the limiting plate 31 is fixedly connected with the limiting post 30, the upper end of the limiting post 30 is arc-shaped, the size of the limiting post 30 is matched with the through holes 26, the end of the first arc portion 22 far away from the first connecting rod 20 is provided with a mounting, be equipped with compression spring 29 in the mounting groove 27, compression spring 29's lower extreme is connected with the bottom of mounting groove 27, the upper end is connected with spacing post 30, mounting groove 27 is passed to spacing post 30 one end of keeping away from compression spring 29, and extend to the mounting groove 27 outside, when the first spacing groove 25 of the one end cunning of first arc portion 22, spacing post 30 can block and establish in through-hole 26, a plurality of through-holes 26 are convenient for adjust the position of first arc portion 22 sliding connection in first spacing groove 25 simultaneously, thereby make first arc portion 22 and second arc portion 23 hug closely the outer wall at third spacing groove 19, limiting plate 31 slides in second spacing groove 28, avoid whole spacing post 30 roll-off mounting groove 27.

Preferably, the righting device comprises a connecting belt 32 and a fixing belt 33, the fixing belt 33 is transversely arranged on one side of the cabinet body 17, a clamping block is arranged on the fixing belt 33, one end of the connecting belt 32 is connected with the other side of the cabinet body 17, a clamping ring 34 is arranged at the other end of the connecting belt, and the clamping ring 34 is sleeved on the clamping block; the fixture block includes montant 35 and circular arc piece 36, the lower extreme of montant 35 is connected perpendicularly on the fixed band 33, circular arc piece 36 sets up in the upper end of montant 35, and sets up in the one side of keeping away from jar body 7, and when using rightting device, jar body 7 is walked around to the one end of connecting band 32 to with the fixture block lock joint on the fixed band 33, specifically, the snap ring 34 cover of connecting band 32 is established on montant 35, and is located the lower extreme of circular arc piece 36, makes jar body 7 in the in-process of transportation and use, avoids jar body 7 to take place to empty.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A liquid oxygen system for a smelting furnace, characterized in that: including smelting furnace body (1), conveyer pipe (2) and liquid oxygen holding vessel (3), liquid oxygen holding vessel (3) and smelting furnace body (1) are put through conveyer pipe (2), the one end that is close to liquid oxygen holding vessel (3) on conveyer pipe (2) is equipped with relief valve (4), the one end that is close to smelting furnace body (1) on conveyer pipe (2) is equipped with check valve (5), still be equipped with flow control valve (6) on conveyer pipe (2), just flow control valve (6) set up between relief valve (4) and check valve (5).

2. The liquid oxygen system for a smelting furnace according to claim 1, characterized by: liquid oxygen holding vessel (3) is including a jar body (7), the upper end of the jar body (7) is equipped with upper cover (8), the jar body (7) and upper cover (8) pass through bolted connection, be equipped with on upper cover (8) and be used for showing hydraulic indicator (9) of the internal pressure of the jar body (7), be equipped with on upper cover (8) and be used for lifting by crane hangers (10) of the jar body (7), jar body (7) one side upper end is equipped with feed liquor pipe (11), jar body (7) one side lower extreme is equipped with drain pipe (12), all be equipped with control valve (13) on drain pipe (12) and feed liquor pipe (11), the both sides that jar body (7) is relative all are equipped with handle (14).

3. The liquid oxygen system for a smelting furnace according to claim 2, characterized in that: the lower extreme of liquid oxygen holding vessel (3) is equipped with the shallow, the shallow includes bottom plate (15), pulley (16) and the cabinet body (17), pulley (16) set up the lower extreme at bottom plate (15), bottom plate (15) up end is equipped with the standing groove, the jar body (7) set up in the standing groove, the cabinet body (17) sets up the up end of bottom plate (15), one side of the cabinet body (17) is equipped with the circular arc groove, the outer wall laminating of the jar body (7) is in the circular arc groove, the up end of the cabinet body (17) is equipped with fire control groove (18), is equipped with the fire extinguisher in fire control groove (18), the lower extreme of the cabinet body (17) is equipped with the fixing device who is used for the fixed jar body (7), cabinet body (17) one side is equipped with righting device.

4. The liquid oxygen system for a smelting furnace according to claim 3, characterized by: the outer wall surrounding the lower end of the tank body (7) is provided with a third annular limiting groove (19), the fixing device comprises a first connecting rod (20), a second connecting rod (21), a first arc part (22) and a second arc part (23), the lower end of the tank body (17) is provided with a cross rod (24), one ends of the first connecting rod (20) and the second connecting rod (21) are hinged with the cross rod (24), the other ends of the first connecting rod (20) and the second connecting rod (21) are respectively connected with one ends of the first arc part (22) and the second arc part (23), the other end of the second arc part (23) is provided with a first limiting groove (25), the other end of the first connecting rod (20) is in sliding connection with the first limiting groove (25) of the second arc part (23), the first arc part (22) and the second arc part (23) are respectively positioned at the left end and the right end of the third limiting groove (19), and is clamped in the third limiting groove (19).

5. The liquid oxygen system for a smelting furnace according to claim 4, characterized by: the outer wall of the second arc part (23) is provided with a plurality of through holes (26) communicated with the first limiting groove (25), one end of the first arc part (22) far away from the first connecting rod (20) is vertically provided with a mounting groove (27), two sides of the groove wall opposite to the mounting groove (27) are respectively provided with a second limit groove (28), a compression spring (29) is arranged in the mounting groove (27), the lower end of the compression spring (29) is connected with the bottom of the mounting groove (27), the upper end is connected with a limit column (30), one end of the limiting column (30) far away from the compression spring (29) penetrates through the mounting groove (27), and extends to the outer side of the first arc part (22), a limit plate (31) is arranged in the second limit groove (28) in a sliding way, and the limiting plate (31) is fixedly connected with the limiting column (30), the upper end of the limiting column (30) is arc-shaped, and the size of the limiting column (30) is matched with the through hole (26).

6. The liquid oxygen system for a smelting furnace according to claim 3, characterized by: the righting device comprises a connecting belt (32) and a fixing belt (33), the fixing belt (33) is transversely arranged on one side of the cabinet body (17), a clamping block is arranged on the fixing belt (33), one end of the connecting belt (32) is connected with the other side of the cabinet body (17), a clamping ring (34) is arranged at the other end of the connecting belt, and the clamping ring (34) is sleeved on the clamping block; the fixture block comprises a vertical rod (35) and an arc block (36), the lower end of the vertical rod (35) is vertically connected to the fixing belt (33), and the arc block (36) is arranged at the upper end of the vertical rod (35) and is arranged on one side far away from the tank body (7).