CN210372067U

CN210372067U - Sealing valve for waste rubber and waste plastic cracking oil refining equipment

Info

Publication number: CN210372067U
Application number: CN201920998514.9U
Authority: CN
Inventors: 冯亚强; 李玉亮; 段跃辉; 冯田园
Original assignee: Sunshine Electromechanical Shouguang Co ltd
Current assignee: Sunshine Electromechanical Shouguang Co ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-04-21
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses a sealing valve for waste rubber and waste plastic cracking oil refining equipment, which comprises a hopper, a feed inlet or a discharge outlet, a shell, a screw rod and a valve core component, wherein the valve core component is propped against the built-in step of the shell to isolate and seal a furnace body from the outside air; the sealing valve for the waste rubber and waste plastic cracking oil refining equipment can solve the sealing problem under different conditions of feeding, material breaking, no material and the like, avoid air from entering a cracking furnace along with the material, and avoid flue gas leakage and a large amount of air entering the cracking furnace.

Description

Sealing valve for waste rubber and waste plastic cracking oil refining equipment

Technical Field

The utility model relates to a seal valve for equipment, specific theory relates to a seal valve for waste rubber waste plastic cracking oil refining equipment belongs to waste rubber waste plastic cracking oil refining equipment technical field.

Background

In the field of renewable resources, the waste tires and the waste plastics are cracked for oil refining, so that the problem that the waste tires and the plastic wastes pollute the environment is solved, the waste tires and the plastic wastes can be changed into valuable materials, and resource utilization is realized. At present, the prior thermal cracking oil refining technology for waste tires and waste plastics in China is divided into intermittent thermal cracking oil refining and continuous thermal cracking oil refining. The intermittent thermal cracking oil refining technology is characterized in that a heating cracking furnace is filled with waste tires or plastic garbage to thermally crack and gasify the waste tires or the plastic garbage, but the waste tires or the plastic garbage can not be continuously fed, only one pot of waste tires or plastic garbage can be treated, and then the next pot of waste tires or plastic garbage is treated, so that the efficiency is low, the production period is long, the pollution is large, and the energy consumption is high. The existing continuous thermal cracking oil refining equipment can realize continuous feeding, slag discharging and thermal cracking gasification of waste tires and plastic wastes.

For example, the invention patent with the patent number of CN107446609A discloses an energy-saving and efficient continuous type plastic waste thermal cracking oil refining device, which comprises a feeding system, a liquefying system and a cracking system; the liquefaction system includes liquefier and liquefaction combustion chamber, the liquefaction combustion chamber is established in the liquefier periphery, the schizolysis system includes schizolysis room and schizolysis combustion chamber, the schizolysis combustion chamber is established in the schizolysis room periphery, be equipped with hollow pivot and hollow paddle in the schizolysis room, feeding system includes screw conveyer, screw conveyer is equipped with hollow rotation axis of feeding and hollow screw paddle, the schizolysis combustion chamber is linked together with hollow pivot, hollow pivot communicates with each other through flue gas pipeline and liquefaction combustion chamber and the hollow rotation axis of feeding, the liquefaction combustion chamber communicates with each other with the hollow rotation axis of feeding, the exhaust termination chimney of the hollow rotation axis of feeding. The device can realize continuous feeding, but the feeding mode of the device leads air to enter the cracking furnace along with materials, and when no raw material or the raw material is suddenly interrupted, the air is communicated with the furnace body; on the other hand, the existing feeding device is used as a chimney at the same time, is communicated with the furnace and cannot play a role in sealing. The air is communicated with the furnace body, and the feeding device can discharge the polluting gas in the furnace body into the air without sealing, thereby causing environmental pollution.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The sealing valve for the waste rubber and waste plastic cracking oil refining equipment can solve the sealing problem under different conditions of feeding, material breaking, no material and the like, and particularly can avoid the problem that air enters a cracking furnace along with the material; meanwhile, the environmental protection problem of flue gas leakage is solved; and the difficult problem of air isolation in the cracking process of the cracking furnace can be solved.

For solving the technical problem, the utility model discloses a following technical scheme: a sealing valve for waste rubber and waste plastic cracking oil refining equipment.

An optimized scheme comprises a shell, wherein the shell is provided with a feeding hole and a discharging hole.

Furthermore, a valve core assembly for opening and closing the discharge hole is arranged in the shell.

Further, the valve core assembly comprises a valve core which is arranged in the shell and can slide in the shell.

Furthermore, one end of the valve core close to the material is a cone.

Further, the taper of the valve core is 40-50 degrees.

Further, the axis of the spool is coaxial with the axis of the housing.

Furthermore, one end of the valve core, which is far away from the material, is a cylindrical end.

Further, the valve core assembly further comprises a valve rod, the valve rod is fixedly connected with the valve core, and the valve rod and the valve core are coaxially arranged or eccentrically arranged.

Further, the number of the valve rods is one or more.

Further, the valve core assembly further comprises an elastic piece, and the elastic piece is sleeved on the valve rod.

Further, the housing includes a conical barrel and a circular barrel.

Further, the tapered barrel has a small-bore end and a large-bore end.

Further, the small-caliber end of the conical cylinder is sleeved inside the circular cylinder.

Furthermore, a step structure is arranged at the joint of the small-caliber end of the conical cylinder and the circular cylinder.

Further, a screw rod is arranged in the shell, and the axis of the screw rod is overlapped with the axis of the shell.

Furthermore, the screw rod is provided with a helical blade, the helical blade is matched with the inner wall of the shell, and the helical blade of the screw rod is arranged in a tapered mode along the material conveying direction.

Further, the elastic member is preferably made of spring steel.

Further, the shell comprises a circular cylinder, and an end cover is fixedly connected to one side of the circular cylinder.

Further, the valve rod penetrates through the end cover, and the valve rod and the end cover can move relatively.

Further, the elastic element is positioned between the valve core and the end cover.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

1. the environmental protection problem of flue gas leakage in the production process is solved, and zero leakage in the whole process is ensured;

2. the difficulty of isolating the cracking process of the cracking furnace from air is solved, and the sealing property of the cracking furnace and the outside air can be ensured no matter when the feeding and discharging are started, the normal operation is carried out, or the feeding of raw materials is finished when the feeding is interrupted in the middle;

3. the sealing valve can also avoid the problem that air is brought into the cracking furnace along with the gaps of the raw materials;

4. by using the sealing valve, continuous cracking production can be realized.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention in a material shortage or no material state;

fig. 3 is a schematic diagram of a specific application structure of the present invention.

In the figure, the position of the upper end of the main shaft,

1-screw, 2-conical barrel, 3-valve core, 4-shell, 5-round barrel, 6-feed inlet, 7-elastic piece, 8-valve rod, 9-end cover, 10-sealing piece, 11-bearing assembly, 12-power device, 13-cooling device, 14-hopper, a-processed material and b-material.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Example 1A feed seal valve for a waste rubber and waste plastic cracking oil refining plant

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a feeding sealing valve for waste rubber and waste plastic cracking oil refining equipment, which comprises a shell 4, a screw 1 and a valve core assembly.

The housing 4 is horizontally disposed, and the housing 4 includes a conical cylinder 2 and a circular cylinder 5.

The conical cylinder 2 has a small-bore end and a large-bore end.

The small-caliber end of the conical barrel 2 is sleeved inside the circular barrel 5, and a step structure is arranged at the joint of the small-caliber end of the conical barrel 2 and the circular barrel 5.

The interior of the conical barrel 2 is provided with a screw 1, and the axis of the screw 1 is superposed with the axis of the conical barrel 2.

The screw rod 1 is provided with helical blades which are matched with the inner wall of the conical barrel 2, and the helical blades of the screw rod 1 are arranged in a tapered mode along the material conveying direction.

The large-diameter end of the conical barrel 2 is provided with a sealing element 10, and the sealing element 10 is sleeved on the screw rod 1 and plays a role in sealing the large-diameter ends of the screw rod 1 and the conical barrel 2.

The screw rod 1 is also provided with a bearing assembly 11, the bearing assembly 11 is connected with a power device 12 through a chain, and the power device 12 drives the screw rod 1 to rotate.

The bearing assembly 11 is connected with a cooling device 13, and the cooling device 13 is a water cooling device of the screw 1 and consists of a cooling water pipe and a rotary joint.

During normal production, the temperature in the furnace body is conducted to the sealing valve, and the cooling device 13 cools down the screw 1 and the bearing assembly 12. Cooling means may be added outside the housing 4 according to production needs.

One side of the round cylinder 5 is fixedly connected with an end cover 9 through threads, a valve core assembly is arranged inside the round cylinder 5, and the valve core assembly can isolate and seal the furnace body from external air.

The valve core assembly comprises a valve core 3, a valve rod 8 and an elastic piece 7.

The valve core 3 is provided with a conical body end and a cylindrical body end which are coaxially arranged, the conical body end of the valve core 3 is close to one side of the material, the preferred taper of the conical body of the valve core 3 is 45 degrees, and the top of the conical body of the valve core 3 plays a role in crushing the treated material a to prevent the treated material a from caking.

The valve rod 8 is fixedly connected with the valve core 3 by welding, threaded connection, bolt connection, riveting and other fixing modes. The valve rod 8 and the valve core 3 are coaxially arranged or eccentrically arranged, and the number of the valve rods 8 is one or more.

The elastic piece 7 is sleeved on the valve rod 8, and the elastic piece 7 is preferably made of spring steel.

The valve core 3 is arranged inside the circular cylinder 5, and the axis of the valve core 3 is coincided with the axis of the circular cylinder 5.

One end of the valve rod 8 is fixedly connected with the cylindrical end of the valve core 3, the other end of the valve rod passes through the end cover 9, and the valve rod 8 and the end cover 9 can move relatively.

The elastic element 7 is arranged between the valve core 3 and the end cover 9, and the end cover 9 is used for maintaining and replacing the elastic element 7.

The upper part of the conical cylinder 2 is provided with a hopper 14, and the inner cavity of the conical cylinder 2 is communicated with the inner cavity of the hopper 14; the lower part of the round tube 5 is provided with a feed inlet 6, and the inner cavity of the round tube 5 is communicated with the inner cavity of the feed inlet 6.

The utility model discloses an implementation:

before feeding, the valve core 3 is supported on the built-in step of the shell 4 under the action of the elastic part 7, so that the furnace body is isolated and sealed from the outside air.

During feeding, the crushed waste rubber fragments or waste plastic materials b are conveyed into the hopper 14 and fall into the shell 4 through the hopper 14, and the materials b are pushed forward by the rotating screw rod 1. As more and more material b is added, the processed material a is formed as the screw 1 is extruded and advanced. The processed material a is continuously pushed by the screw 1, the screw 1 gives a thrust to the valve core 3 through the processed material a, the valve core 3 simultaneously receives an elastic force under the action of the elastic part 7, and when the thrust received by the valve core 3 is larger than the elastic force received by the other side of the valve core 3, the valve core 3 moves to the side far away from the conical barrel 2, as shown in figure 2. The processed material a pushed to the upper part of the feed inlet 6 by the screw 1 naturally falls into the feed inlet 6 and enters the furnace body for cracking. The screw 1 is continuously pushed forward, and the state of the processed material a is always kept, so that the continuous feeding of the furnace body in a sealed state can be realized. When the material b is not supplied enough or has no material, the valve core 3 is propped against the built-in step of the shell 4 under the action of the elastic piece 7, so that the furnace body is isolated and sealed from the external air.

Example 2A discharge seal valve for waste rubber and waste plastic cracking oil refining equipment

As shown in fig. 1, 2, and 3, the difference from embodiment 1 is that: the hopper 14 is changed into a flange, and the opening end of the flange is connected with the furnace body; the feed inlet 6 is used as a discharge outlet.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. The sealing valve for the waste rubber and waste plastic cracking oil refining equipment comprises a shell (4), wherein the shell (4) is provided with a feeding hole and a discharging hole, and is characterized in that: a valve core component for opening and closing the discharge hole is arranged in the shell (4).

2. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 1, characterized in that: the valve core assembly comprises a valve core (3), and the valve core (3) is arranged in the shell (4) and can slide in the shell (4);

one end of the valve core (3) close to the material is a cone.

3. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 2, characterized in that: the taper of the valve core (3) is 40-50 degrees.

4. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 2, characterized in that: the axis of the valve core (3) is coaxial with the axis of the shell (4);

one end of the valve core (3) far away from the material is a cylindrical end.

5. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 2, characterized in that: the valve core assembly further comprises a valve rod (8), the valve rod (8) is fixedly connected with the valve core (3), and the valve rod (8) and the valve core (3) are coaxially or eccentrically arranged;

the number of the valve rods (8) is one or more.

6. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 5, characterized in that: the valve core assembly further comprises an elastic piece (7), and the elastic piece (7) is sleeved on the valve rod (8).

7. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 1, characterized in that: the shell (4) comprises a conical barrel (2) and a circular barrel (5);

the conical barrel (2) is provided with a small-caliber end and a large-caliber end;

the small-caliber end of the conical barrel (2) is sleeved inside the circular barrel (5);

a step structure is arranged at the joint of the small-caliber end of the conical cylinder (2) and the circular cylinder (5).

8. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 1, characterized in that: the screw rod (1) is arranged in the shell (4), and the axis of the screw rod (1) is overlapped with the axis of the shell (4).

9. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 8, characterized in that: the screw rod (1) is provided with helical blades, the helical blades are matched with the inner wall of the shell (4), and the helical blades of the screw rod (1) are arranged in a tapered mode along the material conveying direction.

10. The sealing valve for waste rubber-plastic waste plastic cracking oil refining plant of claim 1, characterized in that: the valve core assembly comprises an elastic piece (7), a valve core (3) and a valve rod (8);

the elastic piece (7) is made of spring steel;

the shell (4) comprises a circular cylinder (5), and one side of the circular cylinder (5) is fixedly connected with an end cover (9);

the valve rod (8) penetrates through the end cover (9), and the valve rod (8) and the end cover (9) can move relatively;

the elastic piece (7) is positioned between the valve core (3) and the end cover (9).