CN217149068U

CN217149068U - Sealed feeding device

Info

Publication number: CN217149068U
Application number: CN202220288566.9U
Authority: CN
Inventors: 刘晓鹏
Original assignee: Qingdao Longyuan Baihong Mechanical Equipment Co ltd
Current assignee: Qingdao Longyuan Baihong Mechanical Equipment Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-08-09
Anticipated expiration: 2032-02-14

Abstract

The utility model relates to a sealed feed arrangement, including casing, main shaft and helical blade, the one end of casing is the feed end, and inside its other end was the discharge end and extends to reation kettle, helical blade is located the main shaft, and helical blade divide into in proper order from feed end to discharge end and carry section, disconnection section and extrusion section, the one end of main shaft extends to the casing outside and as the drive end, is equipped with first seal assembly between the drive end of main shaft and the casing, be equipped with second seal assembly between casing and the reation kettle, the utility model discloses novel structure can realize that the material is sealed to be carried and control the material and carry, has guaranteed feature of environmental protection and continuity in the production process, improves factor of safety and equipment life, and the energy consumption is low, practices thrift the cost.

Description

Sealed feeding device

Technical Field

The utility model belongs to the technical field of sealed feeding, specifically speaking relates to a sealed feed arrangement.

Background

With the rapid development of economic society in China, the increasingly serious pollution of solid materials such as waste tires and waste plastics causes serious pressure and damage to the ecological environment, and the black pollution caused by the treatment of the solid materials such as the waste tires and the waste plastics is not slow. At present, the thermal cracking process flow of the waste tires is that the waste tires are firstly crushed into blocks, then the blocks are continuously conveyed to a closed high-temperature reaction kettle for thermal cracking, and finally high-temperature oil gas and solid products (steel wires and carbon black) are continuously output respectively. Thermal cracking not only finds a good solution for the treatment of wastes (such as waste tires, waste rubber and the like) which are produced in large quantities in modern society, but also provides a new scheme for resource reduction and energy shortage improvement, can provide a large amount of basic industrial raw materials and energy sources, such as carbon black, iron wire combustible oil gas and the like, and is one of means for solving various resource crises in the future.

The key of the thermal cracking of the waste tires is to continuously and hermetically convey the tire blocks or the rubber blocks to the thermal cracking reaction kettle on the premise of avoiding air entering the high-temperature reaction kettle or high-temperature oil gas leaking into the air. The most common is the mode of intermittent type formula feeding, because the feeding separately sets up with slagging tap, needs the manual work to open the kettle cover of pyrolysis cauldron and feeds, covers the kettle cover again after full material and carries out the schizolysis, opens the kettle cover after the schizolysis is accomplished and slag tap, has that intensity of labour is big, production efficiency hangs down and easily causes because of the environmental pollution problem that crude carbon black reveals the cause.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, a sealing feeding device is proposed.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sealed feed arrangement, includes casing, main shaft and helical blade, the one end of casing is the feed end, and inside its other end was the discharge end and extends to reation kettle, helical blade is located the main shaft, and helical blade divide into transport section, disconnected section and extrusion section from feed end to discharge end in proper order, the one end of main shaft extends to the casing outside and as the drive end, is equipped with first seal assembly between the drive end of main shaft and the casing, the other end and the casing rotatable coupling of main shaft, be equipped with second seal assembly between casing and the reation kettle.

Further, first seal assembly includes end plate and end plate gland, the end plate cover is established in the periphery of main shaft, and between end plate gland embedding end plate and the main shaft.

Further, the second sealing assembly comprises a sealing sleeve and a sealing sleeve gland, the discharge end of the shell extends to the feed inlet of the reaction kettle, the sealing sleeve is sleeved on the periphery of the feed inlet, and the sealing sleeve gland is embedded between the sealing sleeve and the feed inlet.

Further, high-temperature-resistant flexible sealing materials are filled between the end plate and the main shaft and between the sealing sleeve and the feeding hole, and the flexible sealing materials are woven by threads, which can be referred to as ZL 91106349.

Further, a thrust bearing is arranged between the driving end of the main shaft and the shell.

Further, the driving end of the main shaft is connected with a driving motor through an elastic coupling.

Further, a self-lubricating bearing is arranged between the other end of the main shaft and the shell.

Further, a high-temperature-resistant copper sleeve is arranged between the self-lubricating bearing and the shell.

Further, the pitch of the screw blade at the conveying section is equal to 1.2-1.5 times of the pitch of the extruding section.

Further, the length of the breaking section is equal to the pitch of the helical blade in the conveying section.

The utility model has the advantages that:

1. novel structure can realize that the material is sealed to be carried and control the material and carry, has guaranteed feature of environmental protection and continuity in the production process, improves factor of safety and equipment life, and the energy consumption is low, practices thrift the cost.

2. Through optimizing helical blade's structure, along with the continuous transport of material forms the compressive force, sealed effect is best and the power consumption is minimum, effectively realizes thermal cracking reation kettle and outside air's isolated, has ensured thermal cracking's security and feature of environmental protection, has realized even sealed feeding in succession, and simultaneously, the reverse acting force that the material formed can take place the displacement with the main shaft toward driving motor direction, sets up thrust bearing, self-lubricating bearing and adopts elastic coupling, offsets extruded reaction force.

3. The sealing sleeve and the end plate are filled with the high-temperature-resistant flexible sealing material, so that the external air is prevented from entering the reaction kettle and the high-temperature oil gas is prevented from leaking into the air, and dynamic and static sealing is realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partial schematic view of fig. 1 at a.

In the drawings: 1-driving motor, 2-elastic coupling, 3-end plate, 4-sealing sleeve, 5-sealing sleeve gland, 6-reaction kettle, 7-thrust bearing, 8-end plate gland, 9-main shaft, 10-helical blade, 11-self-lubricating bearing, 12-shell, 13-flexible sealing material, 14-conveying section, 15-breaking section and 16-extruding section.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, in combination with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without making creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

The present invention will be further described with reference to the accompanying drawings and preferred embodiments.

The first embodiment is as follows:

as shown in fig. 1-2, a sealed feeding device comprises a housing 12, a main shaft 9 and a helical blade 10, wherein one end of the housing 12 is a feeding end, the other end of the housing is a discharging end and extends into a reaction kettle 6, the helical blade 10 is located on the main shaft 9, the helical blade 10 is sequentially divided into a conveying section 14, a breaking section 15 and an extruding section 16 from the feeding end to the discharging end, the pitch of the helical blade 10 located on the conveying section 14 is equal to 1.2-1.5 times of the pitch of the extruding section 16, and the length of the breaking section 15 is equal to the pitch of the helical blade 10 located on the conveying section 14.

One end of the main shaft 9 extends to the outer side of the shell 12 and serves as a driving end, a first sealing assembly is arranged between the driving end of the main shaft 9 and the shell 12, and the other end of the main shaft 9 is rotatably connected with the shell 12. First seal assembly includes end plate 3 and end plate gland 8, the periphery at main shaft 9 is established to end plate 3 cover, and between end plate gland 8 embedding end plate 3 and the main shaft 9. Be equipped with thrust bearing 7 between the drive end of main shaft 9 and casing 12, the drive end of main shaft 9 passes through elastic coupling 2 with driving motor 1 and is connected, be equipped with self-lubricating bearing 11 between the other end of main shaft 9 and casing 12, have the characteristics of self-lubricating, non-maintaining, high bearing, be equipped with high temperature resistant copper sheathing between self-lubricating bearing 11 and the casing 12.

Be equipped with second seal assembly between casing 12 and reation kettle 6, second seal assembly includes seal cover 4 and seal cover gland 5, the discharge end of casing 12 extends to reation kettle 6's feed inlet, the periphery at the feed inlet is established to seal cover 4 cover, and seal cover gland 5 embedding seal cover 4 and feed inlet between. In addition, high-temperature-resistant flexible sealing materials 13 are filled between the end plate 3 and the main shaft 9 and between the sealing sleeve 4 and the feed inlet, the flexible sealing materials 13 are formed by weaving threads, and the special material can refer to ZL91106349, and is wear-resistant, high-temperature-resistant and plastic.

Taking waste rubber blocks as materials for example, in operation, the waste rubber blocks enter from the feed end of the shell 12, the driving motor 1 is started to drive the waste rubber blocks to be conveyed and fill a cavity between the shell 12 and the main shaft 9, the end plate 3 extrudes the flexible sealing material 13 through the end pressing cover 8 to achieve dynamic and static sealing, gas in the reaction kettle 6 is prevented from leaking in the rotating process, the reaction kettle 6 cracks and conveys the materials through rotation, meanwhile, the dynamic and static sealing also exists between the reaction kettle 6 and the shell 12, one end of the sealing sleeve 4 is connected with the shell 12, the high-temperature-resistant flexible sealing material 13 is filled between the sealing sleeve 4 and the feed inlet, sealing is realized through extrusion of the sealing sleeve pressing cover 5, and the air tightness is ensured.

When old and useless block rubber carries to disconnection section 15 through transport section 14, old and useless block rubber piles up this moment, be full of in disconnection section 15 department, along with the continuous transport of old and useless block rubber, it enters into extrusion section 16 to pile up full old and useless block rubber, the pitch of extrusion section 16 will be than transport section 14 little, the purpose is the formation compressive force, compress the old and useless block rubber of the same quality in littleer volume, the reverse acting force that old and useless block rubber formed can take place the displacement with main shaft 9 toward driving motor 1 direction, therefore, set up thrust bearing 7, self-lubricating bearing 11 and adopt elastic coupling 2, play effectual axial supporting role to main shaft 9, and restrict main shaft 9 along axial motion, offset the extruded reaction force.

The internal temperature of the reaction kettle 6 is about 450 ℃, the high-temperature resistant copper sleeve and the self-lubricating bearing 11 are arranged at one end, far away from the driving motor 1, of the main shaft 9 in consideration of the temperature and the requirement for supporting the main shaft 9, and the waste rubber blocks enter the reaction kettle 6 through the extrusion section 16 to perform subsequent cracking reaction.

The above detailed description is only for the preferred embodiment of the present invention, and the scope of the present invention should not be limited by the above detailed description, and all the equivalent variations and modifications made according to the scope of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a sealed feed arrangement, a serial communication port, includes casing, main shaft and helical blade, the one end of casing is the feed end, and inside its other end was the discharge end and extends to reation kettle, helical blade is located the main shaft, and helical blade divide into in proper order from feed end to discharge end and carry section, disconnected section and extrusion section, the one end of main shaft extends to the casing outside and as the drive end, is equipped with first seal assembly between the drive end of main shaft and the casing, the other end and the casing rotatable coupling of main shaft, be equipped with second seal assembly between casing and the reation kettle.

2. The seal feeding device according to claim 1, wherein the first seal assembly comprises an end plate and an end plate gland, the end plate is sleeved on the periphery of the main shaft, and the end plate gland is embedded between the end plate and the main shaft.

3. The seal feeding device as claimed in claim 2, wherein the second seal assembly comprises a seal sleeve and a seal sleeve cover, the discharge end of the shell extends to the feed port of the reaction kettle, the seal sleeve is sleeved on the periphery of the feed port, and the seal sleeve cover is embedded between the seal sleeve and the feed port.

4. The seal feeding device according to claim 3, wherein a high temperature resistant flexible sealing material is filled between the end plate and the main shaft and between the sealing sleeve and the feeding hole.

5. The sealed feed device of claim 1, wherein a thrust bearing is disposed between the drive end of the main shaft and the housing.

6. The sealed feeding device of claim 5, wherein the driving end of the main shaft is connected with the driving motor through an elastic coupling.

7. The seal feeding device according to claim 6, wherein a self-lubricating bearing is arranged between the other end of the main shaft and the shell, and a copper sleeve is arranged between the self-lubricating bearing and the shell.

8. The seal feeder of any one of claims 1 to 7, wherein the helical blade has a pitch in the conveying section equal to 1.2 to 1.5 times the pitch of the extrusion section.

9. The seal feeder of claim 8, wherein the length of the break section is equal to the pitch of the helical blade in the conveying section.