CN212480140U - Safety discharge valve - Google Patents

Abstract

The utility model discloses a safe discharge valve. The multifunctional gravity balance comprises a cone plug, a suspension self-balancing movable positioner and a movement operator, wherein the suspension self-balancing movable positioner is corresponding to the cone plug and comprises a multifunctional gravity balance body, the multifunctional gravity balance body is provided with an adjusting device, the adjusting device comprises a screw rod part arranged on the multifunctional gravity balance body of a valve core rod, a balance weight adjusting nut of the screw rod part is sleeved with a bolt joint, the position of the balance weight adjusting nut on the multifunctional gravity balance body is screwed, the multifunctional gravity balance body is fixed with a corresponding inner hole thread arranged on a plug rod of the cone plug through a threaded connection end and the valve core bolt joint, and the movement operator comprises a position type self-force stable manual operation rod. The safe discharge valve is simple and reasonable in structure, simple, convenient and safe to operate and use and high in practicability.

Description

Safety discharge valve

Technical Field

The utility model relates to a safe discharge valve.

Background

In a metal regeneration smelting system, due to the high temperature of the metal smelting liquid of a smelting furnace, for the discharge control of the smelting liquid, if closed conveying and control are adopted, the existing high-temperature control valve hardly meets the control requirement, the metal liquid is easy to slag and causes local blockage, so that the valve cannot normally work, the movable sealing of the valve is very difficult, and the service life is extremely short. By adopting open type conveying and control, not only the operation environment is very severe, but also relevant devices for automatic control cannot keep stable operation, and especially, no matter manual or automatic control is adopted, the safety problem is prominent. In particular, the structural rationality of its emission control device directly affects its operational life and safety, production efficiency and cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that above-mentioned prior art exists, provide a safe discharge valve. The safe discharge valve is simple and reasonable in structure, simple, convenient and safe to operate and use and high in practicability.

The utility model discloses safe discharge valve's technical scheme includes the cone stopper, hangs from self-balancing movable positioning ware corresponding to the cone stopper, action operation ware, hang from self-balancing movable positioning ware and hang including multi-functional gravity balance body, multi-functional gravity balance body is equipped with adjusting device, adjusting device is including setting up the screw rod portion on the multi-functional gravity balance body of case pole, and the balance weight adjusting nut of this screw rod portion is located to the spiro union cover, through twisting the position on multi-functional gravity balance body of balance weight adjusting nut soon, corresponding hole screw thread that the stopper pole that multi-functional gravity balance body passes through threaded connection end and cone stopper established is fixed with the case spiro union, action operation ware includes position formula self-power steady state hand-operated lever.

The utility model discloses safe blow-off valve is simple structure not only, reasonable, and preparation and use are simple very much, with low costs, and it is very safe to discharge, and the practicality is very strong, and moreover, its change, maintenance are also simple very much, convenient, and are not fragile, long service life, the fault rate is low.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention; fig. 2 is a schematic structural view of an embodiment of an adjusting device of the suspension self-balancing movable positioner of the present invention; fig. 3 is a schematic structural view of an embodiment of the joint control swing arm of the present invention; figure 4 the cone plug of the present invention is opened to discharge steady state diagram.

Detailed Description

In order to facilitate a better understanding of the present invention, the present invention will be further described with reference to the following embodiments and drawings.

As shown in fig. 1. The utility model discloses safe blow-off valve is including being the delivery outlet 2, the control valve of the radial smelting liquid of seting up on the corresponding one side lateral wall 1 of smelting furnace body. The control valve comprises a valve core, a corresponding control mechanism, a bracket and the like. The valve core is a cone plug 5 correspondingly connected with the output hole 2. A launder 14 is provided in correspondence of the outlet hole 2. The support is a cantilever 3 which is correspondingly positioned above the launder 14 and is fixedly connected to the corresponding side wall of the smelting furnace, and the control mechanism is correspondingly arranged above the corresponding launder in a suspension type through the cantilever. The cone plug and the output hole of the smelting furnace are arranged coaxially. The output aperture 2 may be inclined upwardly or downwardly, or horizontally.

The control mechanism comprises a joint control swing arm 4 connected with a cone plug 5, a corresponding action operator and the like. The action operator is provided with a steady-state supporting and limiting device after the cone plug is opened, the joint control swing arm 4 is arranged in the vertical direction, the action operator is positioned on the outer side of the corresponding side of the cantilever, the upper end of the joint control swing arm 4 is positioned in an open slot 3a of the cantilever, one end of the action operator and the upper end of the joint control swing arm are respectively fixed on a rotating shaft 8, and the joint control swing arm and the action operator are connected to the cantilever 3 in a rotating mode through the rotating shaft 8. A coaxiality self-adaptive adjustment coupling device is arranged between the joint control swing arm and the plug rod 6 of the cone plug. The self-positioning closing sealing operation of the cone plug forms buffer allowance through a coaxiality self-adaptive adjustment coupling device, if the cone plug is closed in an initial stage, closing action and speed are reduced when the cone plug is subjected to large impact resistance, and closing performance of the cone plug is improved and enhanced. The closing performance, the closing tightness and the safety performance of the cone plug are improved and enhanced fundamentally.

The utility model discloses its action operation ware quality is greater than the total mass of antithetical couplet accuse swing arm and cone stopper and stopper pole etc.. The action operator is a two-position self-operated steady-state manual operating rod 7, and the cone plug can be ensured to operate in two stable states of opening and closing through the cooperation of the two-position self-operated steady-state manual operating rod and a steady-state supporting and limiting device, namely the steady-state position after the cone plug is opened and the steady-state position for closing and sealing.

The action operator and the cone plug 5 are arranged at an included angle with the joint control swing arm on the corresponding vertical plane respectively, and the included angle can enable the joint control swing arm to rotate around a rotating shaft of the joint control swing arm to a corresponding stable position so as to enable the cone plug and the output hole to be basically the same as a central line or enable the cone plug 5 to be plugged into the output hole 2 to form complete inosculation sealing when the cone plug is closed. Each respective angle may be selected between 60-150 degrees.

The self-adaptive coaxiality adjusting coupling device comprises an accommodating guide open groove 13 which is arranged at the lower end of the joint control swing arm 4 along the axial direction of the cone plug 5 and corresponds to the plug rod, hook type open coupling grooves 11 which are arranged at the lower part of the joint control swing arm 4 along the axial direction of the rotating shaft 8 and respectively correspond to the accommodating guide open groove 13 and the plug rod 6, a supporting shaft 12 which is rotatably connected between the two opposite sides of the plug rod 6 and the hook type open coupling grooves 11 of the joint control swing arm 4, and a suspension self-balancing movable positioner. The cone plug is arranged in the joint control swing arm 4 in a self-balancing suspension type all-dimensional movable manner through the plug rod of the cone plug via the accommodating guide open groove 13, the hook type open coupling groove 11 and the supporting shaft 12.

The steady-state supporting and limiting device comprises a steady-state supporting and limiting bolt 20 which is fixedly connected to one corresponding side of the cantilever 3 and corresponds to one corresponding side of the two-position self-operated steady-state manual operating rod 7. The two-position self-operated steady-state hand-operated lever in the opening state of the cone plug is stopped at the corresponding side (the left side in the figure 4) deviated to the over-center radial vertical line of the rotating shaft.

The suspension self-balancing movable positioner comprises a multifunctional gravity balancing body fixedly connected to the free end of the plug rod of the cone plug. The multifunctional gravity balancing body is a handle rod type gravity balancing body 15, the handle rod type gravity balancing body, the cone plug and the plug rod of the cone plug form an approximate V-shaped structure, and the V-shaped structure can obtain relatively better balance stability characteristics. The handle rod type gravity balancing body 15 is used for balancing or adjusting the weight, so that the cone tip of the cone plug always corresponds to the slightly lower position of the axis of the outlet of the output hole in the whole opening and running stabilizing process. The handle rod type gravity balancing body can be extended to be approximately as long as the two-position type self-force stable manual operating rod. The manual intervention can be conveniently implemented through the handle-rod type gravity balancing body 15 when the special opening or closing condition occurs, such as the condition of meeting blockage, freezing and the like, or the condition of replacing a cone plug and the like. The hook type open coupling groove 11 is inclined downward in the cone plug opening direction, and the lower portion thereof is deviated from the recess toward the cone plug opening direction side. Which may further ensure a high reliability of the cone plug in advance.

As shown in fig. 2. The adjusting device of the suspension self-balancing movable positioner comprises a screw rod part 6a arranged on the multifunctional gravity balancing body and a balance weight adjusting nut 21 screwed on the screw rod part. The position of the balance weight adjusting nut on the multifunctional gravity balance body is screwed, so that the balance state of the cone plug and the self-positioning corresponding seal of the output hole in the opening state can be adjusted simply, conveniently, quickly and accurately. The suspension self-balancing movable positioner can be fixed with the plug rod 6 in a threaded manner through the threaded connection end 6b and the corresponding inner hole thread arranged on the plug rod of the cone plug.

As shown in fig. 3, the amplitude limiting and stabilizing device includes an inclined top wall surface 13a of the receiving guide opening groove of the joint control swing arm, which inclines downward from the inner side to the outer side, and the inclined top wall surface inclines downward to extend to the plug rod 6 close to the cone plug, so as to form a single-side horn-type receiving guide opening groove, and an outer side notch wall surface 13b of the top wall surface of the receiving guide opening groove is close to or in large clearance fit with the plug rod 6 (as for keeping the cone plug swing in the full range of the output hole). Under the condition that the cone plug and the plug rod can be easily and quickly mounted or dismounted, the joint control swing arm limits the moving range of the plug rod by a line of the edge wall surface 13b of the outer side notch, limits the vibration amplitude of the cone plug swinging downwards, can ensure that the cone plug is separated from a hook type open coupling groove due to overlarge rotating action in the opening and closing processes of the cone plug or contacts with a flow groove liquid downwards, further ensures that the cone plug quickly forms a balanced and stable state in the operation process, and ensures safe and reliable operation.

The utility model discloses its axiality self-adaptation adjustment coupling device, cooperation with complete independent suspension type free structure hang from self-balancing movable positioning ware or its multi-functional gravity balance body, and in the delivery outlet within range, the self-adaptation location scope of its cone stopper is big, because the all-round high free setting of cone stopper, its relative improvement with improved closing sealing performance and the effect of cone stopper. Installation debugging and status setting are relatively simple. The cone plug can always correspond to the slightly lower position of the center of the outlet end of the output hole and always suspend above the chute through the suspension self-balancing movable positioner, the whole operation process of the cone plug cannot contact with the chute smelting liquid all the time, the safety is improved, the service life is effectively prolonged, the operation stroke track of the cone plug is small, and the operation safety stability is further improved. The conical plug is characterized by very simple mounting and dismounting structure, and can be simply, conveniently, quickly, safely and reliably mounted and dismounted without any tool or decomposing operation on related parts of the conical plug only by firstly inclining the plug rod and then obliquely pulling out or pushing in the direction of the hook type open coupling groove during dismounting.

When the smelting furnace is operated and smelting liquid is discharged, the two-position type self-operated stable manual operating rod is lifted manually to be turned upwards to the position deviated to the side wall of the smelting furnace and is stabilized at the position, and at the moment, the cone plug is opened and is stably positioned at the corresponding position along with the manual operating rod. The smelting furnace discharges smelting liquid through a launder. And the two-position self-operated steady-state hand operating rod is pulled to rotate in the opposite direction from the upper part to one side wall of the smelting furnace, and the cone plug is pushed into the output hole by the self-gravity of the two-position self-operated steady-state hand operating rod. Thereby closing the output aperture. The self-gravity of the two-position self-operated steady-state manual operating rod is simultaneously greater than the acting force of the smelting liquid on the cone plug.

In embodiment 2, a threaded hole is formed in a corresponding side wall surface at a free end of the two-position self-force stable manual operating lever 7, a steering extension cross arm which forms an included angle of 70-110 degrees with the two-position self-force stable manual operating lever on a horizontal plane and is provided with a threaded joint at a corresponding end is connected through the threaded hole, the steering extension cross arm is used for shifting to a launder and performing an operation outside the launder, and a counterweight is adjusted according to material selection of the steering extension cross arm. The operation is safer and more convenient. The rest of the structure and the corresponding operation of this example can be similar to the above-described embodiment.

Claims (1)

1. The utility model provides a safe discharge valve, includes the cone stopper, hangs from self-balancing movable positioning ware, action operation ware corresponding to the cone stopper, hang from self-balancing movable positioning ware and hang including multi-functional gravity balance body, characterized by multi-functional gravity balance body is equipped with adjusting device, adjusting device is including setting up the screw rod portion on the multi-functional gravity balance body of case pole, and the balance weight adjusting nut of this screw rod portion is located to the spiro union cover, through twisting the position on multi-functional gravity balance body of balance weight adjusting nut, multi-functional gravity balance body passes through the corresponding hole screw thread that the plug rod of threaded connection end and cone stopper established and valve core spiro union is fixed, the action operation ware includes position formula self-power steady state hand operating lever.

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