CN215257912U

CN215257912U - Combined ore pulp valve

Info

Publication number: CN215257912U
Application number: CN202121484710.8U
Authority: CN
Inventors: 马立春; 王传平
Original assignee: Beijing Tri Innovation Technology Co ltd
Current assignee: Beijing Tri Innovation Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-21
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a modular ore pulp valve, connect input extension passageway and output extension passageway at valve body passageway both ends intercommunication, the ore pulp extends the passageway from the input and flows the back, through flowing the valve body passageway to extend the passageway from the output and flow, because the inner diameter that input extension passageway and output extended the passageway is less than the inner diameter of valve body, receives the impulsive force effect, most ore pulp directly extends the passageway and output along the input and extends the passageway inner wall and flow through, and is very little to the inner wall wearing and tearing of valve body, uses the utility model discloses a modular ore pulp valve, the change cycle of valve body has prolonged more than one year from original three, four months, has improved the life of valve body greatly.

Description

Combined ore pulp valve

Technical Field

The utility model relates to the technical field of valves, more specifically the utility model relates to a modular ore pulp valve that says so.

Background

At present, most of slurry pipelines and corrosive medium conveying systems still use clean water valves and clean water corrosion-resistant valves, and the cost is high. Although special valves such as rubber-lined valves, rubber tube valves, ball valves, particle slurry valves and the like have been produced in recent years, the problems of unreliable sealing, poor wear resistance, short service life and the like are common.

Therefore, how to provide an ore pulp valve with reliable sealing, good wear resistance and long service life is a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a sealed reliable, good, the long service life's of wearability combination formula ore pulp valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combination pulp valve comprising: the valve comprises a valve body, a sealing ring, a valve seat, a flashboard, sealing filler, a filler gland, a valve rod and a driving mechanism; the valve body is provided with a valve passage which runs through the two ends; the sealing ring is sleeved on the periphery of the valve body; the valve seat is sleeved on the periphery of the sealing ring in a ring manner; one end of the valve rod is connected with one end of the flashboard, and the other end of the valve rod is connected with the driving mechanism; the sealing filler is sleeved on the periphery of the gate plate; the packing gland is buckled at the outer side of the sealing packing;

the sealing rings comprise a first sealing ring and a second sealing ring, and the flashboard vertically penetrates through the valve channel and is correspondingly positioned between the first sealing ring and the second sealing ring to form sealing contact; the two ends of the valve channel are respectively communicated with an input extension channel and an output extension channel, and the inner diameters of the input extension channel and the output extension channel are the same and are more than 5% smaller than the inner diameter of the valve body.

According to the technical scheme, compare with prior art, the utility model provides a modular ore pulp valve, connect input extension passageway and output extension passageway at valve body passageway both ends intercommunication, the ore pulp extends the passageway from the input and flows in the back, through flowing the valve body passageway, and extend the passageway from the output and flow, because the inner diameter that input extension passageway and output extension passageway are less than the inner diameter of valve body, receive the impulsive force effect, most ore pulp directly extends the passageway and flows through with output extension passageway inner wall along the input, and is very little to the inner wall wearing and tearing of valve body, uses the utility model discloses a modular ore pulp valve, the change cycle of valve body has prolonged to a year more from original three, four months, has improved the life of valve body greatly.

According to the utility model discloses it is further, the input extends the passageway and the output extends the passageway inner wall and is provided with the wearing layer.

The beneficial effect that adopts above-mentioned technical scheme to produce is, protection input extension passageway and output extension passageway inner wall, improves its life.

According to the utility model discloses it is further, the wearing layer is wear-resisting ceramic layer.

The wear-resistant ceramic has the beneficial effects that the wear resistance of the wear-resistant ceramic is extremely good, which is 266 times that of manganese steel and 171.5 times that of high-chromium cast iron, and the service life of equipment can be at least prolonged by more than ten times under the same working condition.

According to the utility model discloses it is further, the material of first sealing washer and second sealing washer is wear-resisting rubber.

The rubber has the beneficial effects of wear resistance and elasticity.

According to the utility model discloses it is further, first sealing washer and second sealing washer all are the circular arc setting and mutual butt with flashboard contact one end.

The beneficial effect who adopts above-mentioned technical scheme to produce is, first sealing washer and second sealing washer are passed in the flashboard extrusion, and first sealing washer and second sealing washer receive extrusion deformation and flashboard formation sealing contact, and when the flashboard was opened, first sealing washer and second sealing washer kick-backed, resume the butt state, can prevent effectively that the ore pulp from getting into first sealing washer and second sealing washer clearance in, cause the flashboard card to die can not move.

According to the utility model discloses it is further, sealing filler is three layer construction, is silastic-layer, polytetrafluoroethylene layer from the flashboard from inside to outside in proper order.

The inner layer is the silicone rubber layer and has wear resistance, so that the abrasion of the flashboard in the opening and closing process is prevented; the polytetrafluoroethylene layer has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, is almost insoluble in all solvents, is not easily corroded by ore pulp due to the arrangement of the two layers, and has a better sealing effect.

According to the utility model discloses it is further, gland is one end confined cylindric, and it includes roof and lateral wall, and the roof compresses tightly sealing packing, and the lateral wall is close to the open end cladding on the disk seat outer wall.

Adopt the beneficial effect that above-mentioned technical scheme produced to prevent that the flashboard from carrying liquid and overflowing from the disk seat top, increase the lateral wall cladding, make the leakproofness better.

According to the utility model discloses it is further, still include the bleeder valve, the position that the corresponding flashboard other end of disk seat was located to the bleeder valve opening.

Adopt the beneficial effect that above-mentioned technical scheme produced to be, when the flashboard was opened and is closed at every turn, can bring into the disk seat bottom to the fractional part ore pulp powder, can influence the switching of flashboard after long-pending few is many, and the bleeder valve can carry out the discharge of non-predictive waste material, guarantees the flashboard normal operating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 sectional view of an internal structure of a combined pulp valve provided by the present invention;

FIG. 2 is an enlarged view of part A of a combined pulp valve according to the present invention;

fig. 3 is a front view of a combined pulp valve according to the present invention;

reference numerals:

1. the valve comprises a valve body, 11, an input extension channel, 12, an output extension channel, 13, a wear-resistant layer, 2, a sealing ring, 21, a first sealing ring, 22, a second sealing ring, 3, a valve seat, 4, a gate plate, 5, sealing filler, 6, a filler gland, 61, a top wall, 62, a side wall, 7, a valve rod, 8, a driving mechanism, 9 and a drain valve.

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.

The embodiment of the utility model discloses modular ore pulp valve, include: the valve comprises a valve body 1, a sealing ring 2, a valve seat 3, a flashboard 4, sealing filler 5, a filler gland 6, a valve rod 7 and a driving mechanism 8; the valve body 1 is provided with a valve passage which runs through the two ends; the sealing ring 2 is sleeved on the periphery of the valve body 1; the valve seat 3 is sleeved on the periphery of the sealing ring 2; one end of the valve rod 7 is connected with one end of the flashboard 4, and the other end of the valve rod is connected with the driving mechanism 8; the sealing filler 5 is sleeved on the periphery of the gate plate 4; the packing gland 6 is buckled at the outer side of the sealing packing 5;

the sealing ring 2 comprises a first sealing ring 21 and a second sealing ring 22, and the flashboard 4 vertically penetrates through the valve passage and is correspondingly positioned between the first sealing ring 21 and the second sealing ring 22 to form sealing contact; the two ends of the valve channel are respectively communicated with an input extension channel 11 and an output extension channel 12, and the inner diameters of the input extension channel 11 and the output extension channel 12 are the same and are more than 5% smaller than the inner diameter of the valve body 1.

According to the utility model discloses an embodiment, input extension passageway 11 and output extension passageway 12 inner wall are provided with wearing layer 13, and protection input extension passageway 11 and output extension passageway 12 inner wall are difficult for receiving the erosive wear of ore pulp, improve its life.

Advantageously, the wear resistant layer 13 is a wear resistant ceramic layer. The wear-resistant ceramic has extremely good wear resistance which is 266 times that of manganese steel and 171.5 times that of high-chromium cast iron, and under the same working condition, the service life of equipment can be at least prolonged by more than ten times.

According to the utility model discloses an embodiment, the material of first sealing washer 21 and second sealing washer 22 is high-elastic wear-resisting rubber, and not only leakproofness and wearability are better, have elasticity moreover, can resist 25kg of pressure.

Advantageously, the first sealing ring 21 and the second sealing ring 22 are arranged in an arc shape at the end in contact with the gate plate 4 and abut against each other, the gate plate 4 is extruded to penetrate through the first sealing ring 21 and the second sealing ring 22, the first sealing ring 21 and the second sealing ring 22 are extruded and deformed to form sealing contact with the gate plate 4, when the gate plate 4 is opened, the first sealing ring 21 and the second sealing ring 22 rebound to restore the abutting state, and therefore, the phenomenon that the pulp enters the gap between the first sealing ring 21 and the second sealing ring 22 to cause the gate plate to be stuck and cannot operate can be effectively prevented.

According to one embodiment of the utility model, the sealing filler 5 is a three-layer structure, the inner layer is a silicon rubber layer with wear resistance, so that the abrasion in the opening and closing process of the flashboard 4 is prevented; the polytetrafluoroethylene layer has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, is almost insoluble in all solvents, is not easily corroded by ore pulp due to the arrangement of the two layers, and has a better sealing effect.

According to the utility model discloses an embodiment, gland 6 is one end confined cylindric, and it includes roof 61 and lateral wall 62, and roof 61 compresses tightly sealed filler 5, and lateral wall 62 is close to the open end cladding on 3 outer walls of disk seat. The liquid carried by the flashboard 4 can be prevented from overflowing from the top end of the valve seat 3, and the coating of the side wall 62 is increased, so that the sealing performance is better.

According to the utility model discloses an embodiment still includes the drain valve 9, and the drain valve 9 is seted up in the position that the valve seat 3 corresponds the flashboard 4 other end. When flashboard 4 opens and closes at every turn, can bring into the disk seat 3 bottom to the small part ore pulp powder, can influence the switching of flashboard 4 after long-pending few is many, and bleeder valve 9 can carry out the discharge of non-predictive waste material, guarantees flashboard 4 normal operating.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A combination pulp valve, comprising: the sealing device comprises a valve body (1), a sealing ring (2), a valve seat (3), a flashboard (4), sealing filler (5), a filler gland (6), a valve rod (7) and a driving mechanism (8); the valve body (1) is provided with a valve channel which runs through the two ends; the sealing ring (2) is sleeved on the periphery of the valve body (1); the valve seat (3) is sleeved on the periphery of the sealing ring (2) in a sleeving manner; one end of the valve rod (7) is connected with one end of the flashboard (4), and the other end of the valve rod is connected with the driving mechanism (8); the sealing filler (5) is sleeved on the periphery of the gate plate (4); the packing gland (6) is buckled at the outer side of the sealing packing (5);

the sealing ring (2) comprises a first sealing ring (21) and a second sealing ring (22), and the flashboard (4) vertically penetrates through the valve channel and is correspondingly positioned between the first sealing ring (21) and the second sealing ring (22) to form sealing contact; the two ends of the valve channel are respectively communicated with an input extension channel (11) and an output extension channel (12), and the inner diameters of the input extension channel (11) and the output extension channel (12) are the same and are more than 5% smaller than the inner diameter of the valve body (1).

2. Combined pulp valve according to claim 1, characterised in that the inner walls of the inlet (11) and outlet (12) extension channels are provided with a wear resistant layer (13).

3. A combined pulp valve according to claim 2, characterised in that the wear resistant layer (13) is a wear resistant ceramic layer.

4. The combined pulp valve according to claim 1, characterised in that the first sealing ring (21) and the second sealing ring (22) are made of wear-resistant rubber.

5. The combined ore pulp valve according to claim 4, characterized in that the first sealing ring (21) and the second sealing ring (22) are arranged in an arc shape at the end contacting the gate plate (4) and abut against each other.

6. The combined pulp valve according to claim 1, characterized in that the sealing filler (5) is of a three-layer structure, namely a silicone rubber layer, a polytetrafluoroethylene layer and a polytetrafluoroethylene layer from the inside to the outside of the gate plate (4).

7. A combined pulp valve according to claim 1, characterised in that the gland (6) is a closed-end cartridge comprising a top wall (61) and a side wall (62), the top wall (61) compressing the sealing packing (5), the side wall (62) being wrapped around the outer wall of the valve seat (3) near the open end.

8. A combined pulp valve according to any one of claims 1-7, characterised in that it further comprises a discharge valve (9), said discharge valve (9) opening onto a valve seat (3) at a position corresponding to the other end of the shutter (4).