CN212318800U - Square high-temperature butterfly valve - Google Patents

Abstract

The utility model discloses a square high temperature butterfly valve, including body, valve port and butterfly valve pneumatic switch, the valve port has been seted up to the intermediate position department of body, and the activity of the inside intermediate position department of valve port is provided with the valve plate, the inside flame retardant coating that all around of valve port body, the equal fixedly connected with dustproof construction of intermediate position department of body top and bottom, and the body top on dustproof construction top is provided with the valve rod pipeline, the top of valve rod pipeline is provided with the butterfly valve rod, and the fixed surface of butterfly valve rod is connected with heat radiation structure, the top fixedly connected with butterfly valve pneumatic switch of butterfly valve rod. Through setting up the filter screen, avoid impurity such as dust to get into this internally, lead to body moment of torsion increase, warp, the jam, the condition such as valve shaft fracture takes place, extension fixture life.

Description

Square high-temperature butterfly valve

Technical Field

The utility model relates to a butterfly valve equipment technical field specifically is a square high temperature butterfly valve.

Background

With the development of society, the pipeline is seen everywhere in our daily life, and in order to guarantee the normal circulation of pipeline medium, we can use the butterfly valve to carry out the regulation of pipeline medium velocity of flow, but current square high temperature butterfly valve still has many problems or defects:

firstly, the traditional square high-temperature butterfly valve has a non-ideal dustproof structure when in use, so that the performance of the valve can be affected after impurities enter the valve, and even the valve is damaged;

secondly, the heat of the traditional square high-temperature butterfly valve is not easy to dissipate when the valve is used, and high-temperature media are accumulated in the valve, so that the service life of the valve can be reduced;

thirdly, the traditional square high-temperature butterfly valve is easy to collapse due to the fact that the refractory material is prone to collapse when the traditional square high-temperature butterfly valve is used, and safety accidents are prone to being caused due to the fact that the refractory material is prone to collapse due to insufficient density and insufficient rivet holding force.

Disclosure of Invention

An object of the utility model is to provide a square high temperature butterfly valve to solve the dustproof relatively poor, the difficult effluvium of heat and the not firm problem of refractory material that provide among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a square high temperature butterfly valve, includes body, valve port and butterfly valve pneumatic switch, the valve port has been seted up to the intermediate position department of body, and the activity of the inside intermediate position department of valve port is provided with the valve plate, the valve port all is provided with the flame retardant coating around the body inside, the equal fixedly connected with dustproof construction of intermediate position department of body top and bottom, and the body top on dustproof construction top is provided with the valve rod pipeline, the top of valve rod pipeline is provided with the butterfly valve rod, and the fixed surface of butterfly valve rod is connected with heat radiation structure, the top fixedly connected with butterfly valve pneumatic switch of butterfly valve rod.

Preferably, the top end and the bottom end of the valve rod pipeline are fixedly connected with a mechanical seal, and a sealing gasket is arranged inside the mechanical seal.

Preferably, the reinforcing nails are uniformly and fixedly connected to the periphery of the interior of the body, and the reinforcing nails are Y-shaped.

Preferably, filter screen, dust vent, draw-in groove, fixture block, stopper, spacing hole, sealed piece, driving lever, recess and spacing spring have set gradually in dustproof construction's inside, the dust vent is all fixed on the top and the bottom of body, and the inside horizontal activity of dust vent is provided with the filter screen, the sealed piece of one end fixedly connected with of filter screen, and sealed piece is close to the upper end and the equal fixedly connected with fixture block of lower extreme of dust vent one side, spacing hole has all been seted up to the inside one end of fixture block, and the inside one side of dust vent has all seted up the draw-in groove with fixture block matched with, the inside recess that has all seted up of dust vent of draw-in groove one end, and the equal fixedly connected with spacing spring of the inside one end of recess, the equal fixedly connected with stopper of one end of.

Preferably, the front and the back of the inside of the valve port are both fixedly connected with a sealing ring, and the inner wall of the sealing ring is uniformly provided with anti-skid grains.

Preferably, radiating fin, heat dissipation case and heat conduction pole have set gradually in heat radiation structure's inside, heat dissipation case fixed connection is on the surface of butterfly valve rod, and the inside winding of heat dissipation incasement portion on butterfly valve rod surface has the heat conduction pole, the even fixedly connected with radiating fin in surface of heat dissipation case.

Compared with the prior art, the beneficial effects of the utility model are that: this square high temperature butterfly valve is rational in infrastructure, has following advantage:

(1) by arranging the filter screen in the dustproof opening, and arranging the clamping groove, the clamping block and the sealing block on one side of the dustproof opening, when smoke with large dust content overflows, the filter screen can isolate dust, so that the situation that the dust enters the body to cause the increase of the torque of the body, deformation, jamming, fracture of a valve shaft and the like is avoided, the device is not only suitable for a dust-containing smoke air system, but also can be applied to occasions such as pneumatic ash conveying and the like, meanwhile, the installation is simple and convenient, the service life of the body is prolonged, the production safety is ensured, the deflector rod can be stirred to move to be completely separated from the limiting hole, the filter screen can be taken out and cleaned, the filter screen is prevented from being blocked;

(2) by arranging the heat radiating fins, the heat radiating box and the heat conducting rod on the surface of the valve rod of the butterfly valve, when a high-temperature medium flows through the device, heat is conducted to the inside of the heat radiating box by the spirally wound heat conducting rod and exchanges heat with cooling liquid in the heat radiating box, meanwhile, the heat radiating fins can increase the heat radiating area of the heat radiating box, the heat in the valve rod of the butterfly valve can be conveniently radiated, and the damage to the device caused by high temperature is reduced, so that the device can be suitable for a severe environment, and the practicability of the device is improved;

(3) through evenly set up the enhancement nail around the body is inside, through the power of grabbing of enhancement nail increase and flame retardant coating, avoid the flame retardant coating to collapse, reduce the device leakproofness, and then avoid the incident to take place for this device can satisfy the various complicated thermotechnical requirements of user, increase device application range, extension device's life.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the dustproof structure of the present invention;

fig. 4 is an enlarged schematic view of the heat dissipation structure of the present invention.

In the figure: 1. a butterfly valve stem; 2. a valve stem conduit; 3. a body; 4. reinforcing nails; 5. a refractory layer; 6. a dust-proof structure; 601. filtering with a screen; 602. a dust-proof opening; 603. a card slot; 604. a clamping block; 605. a limiting block; 606. a limiting hole; 607. a sealing block; 608. a deflector rod; 609. a groove; 610. a limiting spring; 7. a valve port; 8. mechanical sealing; 9. a heat dissipation structure; 901. a heat dissipating fin; 902. a heat dissipation box; 903. a heat conducting rod; 10. a butterfly valve pneumatic switch; 11. a seal ring; 12. a valve plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a square high-temperature butterfly valve comprises a body 3, a valve port 7 and a butterfly valve pneumatic switch 10, wherein the valve port 7 is arranged in the middle of the body 3;

the front and the back of the interior of the valve port 7 are both fixedly connected with a sealing ring 11, and the inner wall of the sealing ring 11 is uniformly provided with anti-skid grains;

specifically, as shown in fig. 2, when the mechanism is used, firstly, the sealing performance between the pipeline and the valve port 7 can be improved by arranging the sealing ring 11, and the friction force between the pipeline and the anti-skid lines in the sealing ring 11 can also be improved, so that the installation stability is improved;

a valve plate 12 is movably arranged in the middle of the inside of the valve port 7, and the inside of the body 3 around the valve port 7 is provided with a fireproof layer 5;

reinforcing nails 4 are uniformly and fixedly connected to the periphery inside the body 3, and the reinforcing nails 4 are Y-shaped;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, the grip force between the reinforcing nail 4 and the fire-resistant layer 5 is increased, so that the fire-resistant layer 5 is prevented from collapsing, the sealing performance of the device is reduced, and further, safety accidents are avoided, so that the device can meet various complex thermal requirements of users;

the middle positions of the top end and the bottom end of the body 3 are fixedly connected with dustproof structures 6;

the dustproof structure 6 is internally provided with a filter screen 601, a dustproof port 602, a clamping groove 603, a clamping block 604, a limiting block 605, a limiting hole 606, a sealing block 607, a shifting rod 608, a groove 609 and a limiting spring 610 in sequence, the dustproof port 602 is fixed at the top end and the bottom end of the body 3, and the inner part of the dustproof port 602 is transversely and movably provided with a filter screen 601, one end of the filter screen 601 is fixedly connected with a sealing block 607, the upper end and the lower end of the sealing block 607 close to the dust-proof opening 602 are both fixedly connected with a clamping block 604, one end of the clamping block 604 is provided with a limiting hole 606, and a clamping groove 603 matched with the clamping block 604 is arranged on one side of the inner part of the dustproof opening 602, a groove 609 is arranged in the dustproof opening 602 at one end of the clamping groove 603, one end inside the groove 609 is fixedly connected with a limiting spring 610, one end of the limiting spring 610 is fixedly connected with a limiting block 605, and one side of the limiting block 605 is fixedly connected with a shifting lever 608;

specifically, as shown in fig. 1, 2 and 3, when the mechanism is used, firstly, the filter screen 601 is arranged to isolate dust, so that the dust is prevented from entering the body 3 and affecting the normal operation of the device, and meanwhile, the shift lever 608 can be shifted to move to be completely separated from the limiting hole 606, and then the filter screen 601 can be taken out and cleaned, so that the filter screen 601 is prevented from being blocked, and the dustproof effect of the device is reduced;

a valve rod pipeline 2 is arranged above the body 3 at the top end of the dustproof structure 6;

the top end and the bottom end of the valve rod pipeline 2 are both fixedly connected with a mechanical seal 8, and sealing gaskets are arranged inside the mechanical seal 8;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, the mechanical seal 8 is arranged, so that the tightness of the butterfly valve rod 1, the valve rod pipeline 2 and the body 3 is higher, and the medium is prevented from flowing out;

the top end of the valve rod pipeline 2 is provided with a butterfly valve rod 1, and the surface of the butterfly valve rod 1 is fixedly connected with a heat dissipation structure 9;

the heat dissipation structure 9 is internally provided with heat dissipation fins 901, a heat dissipation box 902 and a heat conduction rod 903 in sequence, the heat dissipation box 902 is fixedly connected to the surface of the butterfly valve rod 1, the heat conduction rod 903 is wound inside the heat dissipation box 902 on the surface of the butterfly valve rod 1, and the heat dissipation fins 901 are uniformly and fixedly connected to the surface of the heat dissipation box 902;

specifically, as shown in fig. 1, 2 and 4, when the mechanism is used, firstly, when a high-temperature medium flows through the device, heat is conducted to the inside of the heat dissipation box 902 by the spirally wound heat conduction rod 903, and exchanges heat with cooling liquid in the heat dissipation box 902, and meanwhile, the heat dissipation area of the heat dissipation box 902 can be increased by the heat dissipation fins 901, so that the heat in the butterfly valve rod 1 can be dissipated conveniently, and the damage to the device caused by high temperature is reduced;

the top end of the butterfly valve rod 1 is fixedly connected with a butterfly valve pneumatic switch 10.

The working principle is as follows: when the device is used, the device is firstly installed with a pipeline, the sealing performance between the device and the pipeline is improved by utilizing the sealing ring 11, and the valve plate 12 rotates in the valve port 7 by opening the butterfly valve pneumatic switch 10, so that the valve port 7 can be opened or closed, and the adjusting function can be started;

meanwhile, the Y-shaped reinforcing nails 4 are arranged to improve the self-holding power, improve the self-firmness of the device, prevent the refractory layer 5 from collapsing, reduce the sealing performance of the device and further avoid safety accidents, and when a high-temperature medium flows through the device, heat is conducted into the heat dissipation box 902 by the spirally wound heat conduction rod 903 and exchanges heat with cooling liquid in the heat dissipation box 902, meanwhile, the heat dissipation fins 901 can increase the heat dissipation area of the heat dissipation box 902, so that the heat in the butterfly valve rod 1 can be dissipated conveniently, and the damage of the device caused by high temperature is reduced;

when overflowing the big flue gas of dust content, filter screen 601 can be kept apart the dust, avoids inside the dust gets into body 3, influences this device and normally works, can stir driving lever 608 simultaneously, makes it remove to compress spacing spring 610 and break away from spacing hole 606 completely in, later accessible sealing block 607 takes out and washs filter screen 601 from dust-proof mouthful 602 in, avoids filter screen 601 to be blockked up, reduces the dustproof effect of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a square high temperature butterfly valve, includes body (3), valve port (7) and butterfly valve air switch (10), its characterized in that: the improved butterfly valve is characterized in that a valve port (7) is formed in the middle of the body (3), a valve plate (12) is movably arranged in the middle of the inside of the valve port (7), fire-resistant layers (5) are arranged in the body (3) around the valve port (7), dustproof structures (6) are fixedly connected to the middle of the top end and the bottom end of the body (3), a valve rod pipeline (2) is arranged above the body (3) on the top end of the dustproof structure (6), a butterfly valve rod (1) is arranged on the top end of the valve rod pipeline (2), a heat dissipation structure (9) is fixedly connected to the surface of the butterfly valve rod (1), and a butterfly valve pneumatic switch (10) is fixedly connected to the top end of the butterfly valve rod (1.

2. The square high-temperature butterfly valve of claim 1, wherein: the top and the bottom of the valve rod pipeline (2) are fixedly connected with a mechanical seal (8), and a sealing gasket is arranged inside the mechanical seal (8).

3. The square high-temperature butterfly valve of claim 1, wherein: the reinforced nails (4) are uniformly and fixedly connected to the periphery of the interior of the body (3), and the reinforced nails (4) are Y-shaped.

4. The square high-temperature butterfly valve of claim 1, wherein: the dustproof structure (6) is internally provided with a filter screen (601), a dustproof opening (602), a clamping groove (603), a clamping block (604), a limiting block (605), a limiting hole (606), a sealing block (607), a shifting rod (608), a groove (609) and a limiting spring (610) in sequence, the dustproof opening (602) is fixed at the top end and the bottom end of the body (3), the filter screen (601) is transversely and movably arranged in the dustproof opening (602), one end of the filter screen (601) is fixedly connected with the sealing block (607), the upper end and the lower end of the sealing block (607) close to one side of the dustproof opening (602) are fixedly connected with the clamping block (604), one end in the clamping block (604) is provided with the limiting hole (606), one side in the dustproof opening (602) is provided with the clamping groove (603) matched with the clamping block (604), and the groove (609) is arranged in the dustproof opening (602) at one end of the, and the inside equal fixedly connected with spacing spring (610) of one end of recess (609), the equal fixedly connected with stopper (605) of one end of spacing spring (610), and the equal fixedly connected with driving lever (608) in one side of stopper (605).

5. The square high-temperature butterfly valve of claim 1, wherein: the front and the back of the interior of the valve port (7) are fixedly connected with sealing rings (11), and the inner walls of the sealing rings (11) are uniformly provided with anti-skid lines.

6. The square high-temperature butterfly valve of claim 1, wherein: the heat dissipation structure is characterized in that heat dissipation fins (901), a heat dissipation box (902) and a heat conduction rod (903) are sequentially arranged inside the heat dissipation structure (9), the heat dissipation box (902) is fixedly connected to the surface of the butterfly valve rod (1), the heat conduction rod (903) is wound inside the heat dissipation box (902) on the surface of the butterfly valve rod (1), and the heat dissipation fins (901) are uniformly and fixedly connected to the surface of the heat dissipation box (902).

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