CN218923800U

CN218923800U - Lignite resin drying device

Info

Publication number: CN218923800U
Application number: CN202222831872.5U
Authority: CN
Inventors: 石玉春; 雷恒永; 马礼俊; 张玲霞; 刘红山
Original assignee: HENAN JINMA PETROLEUM TECHNOLOGY CO LTD
Current assignee: HENAN JINMA PETROLEUM TECHNOLOGY CO LTD
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-28
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a lignite resin drying device which comprises a combustion chamber, a pulverized coal feeding device, an air heater, a discharging opening and a roller, wherein the pulverized coal feeding device is arranged on one side of the combustion chamber, a waste heat recovery pipe is arranged at the top of the combustion chamber, a first dust collector is arranged at one end of the waste heat recovery pipe, the air heater is arranged on one side of the first dust collector, an adjusting valve is arranged on one side of the air heater, and an external heat cavity is arranged on one side of the adjusting valve. According to the lignite resin drying device, the long barrel-shaped drying roller with the two closed sides is utilized, hot air is introduced, materials roll in the round drying roller under the condition that the roller continuously rotates, heat absorbing blades are welded in the drying roller, the materials can absorb heat fully and contact with the heat absorbing blades, the materials are contacted fully with the hot air to take away moisture in the flowing of the hot air, heat energy is recycled, and corresponding yield is also greatly improved.

Description

Lignite resin drying device

Technical Field

The utility model belongs to the field of lignite resin production, and particularly relates to a lignite resin drying device.

Background

The result of the reaction for the industrial production of lignite resin is a pasty brown substance, and a common scheme is a spray drying device, namely, the lignite resin is diluted to a certain concentration, then atomized in a spray drying tower and dried in dry hot air. The disadvantage is low efficiency and low yield. Therefore, a new device is designed, the utility model utilizes the long barrel-shaped drying roller with two closed sides to close up, hot air is introduced, materials roll in the round drying roller under the state that the roller continuously rotates, heat absorbing blades are welded in the drying roller, the materials can absorb heat fully and contact with the heat absorbing blades, the materials fully contact with the hot air to take away moisture in the flow of the hot air, the heat energy is recycled, and the corresponding yield is also greatly improved.

Disclosure of Invention

The utility model aims to provide a lignite resin drying device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a lignite resin drying device, includes combustion chamber, buggy feeding device, air heater, feed opening and cylinder, buggy feeding device sets up combustion chamber one side, the feed opening sets up the cylinder top still includes the waste heat recovery pipe is installed at the combustion chamber top, waste heat recovery pipe one end is provided with first dust collector, the air heater sets up first dust collector one side, adjusting valve is installed to air heater one side, adjusting valve one side is provided with outer hot chamber, the cylinder sets up above the outer hot chamber, be provided with rotary driving mechanism below the cylinder, be provided with hollow pipeline in the middle of the cylinder, evenly distributed has a plurality of gas outlets on the hollow pipeline, cylinder inner wall evenly distributed has a plurality of inside blades, cylinder one end is provided with flange formula mechanical seal, flange formula mechanical seal below is provided with the discharge gate, flange formula mechanical seal top is provided with the waste gas overflow pipe, waste gas one end is provided with the second dust collector, the second dust collector outside is provided with the air exhauster.

Further: the roller is obliquely placed.

Further: the inner blades are identical in rotation direction, and the inner blades and the roller are welded together.

Further: the rotary driving mechanism adopts a motor to drive the speed reducer to rotate, and the rotation direction is positive and negative.

Further: the waste gas overflow pipe is connected with the roller slip ring.

Compared with the prior art, the utility model has the beneficial effects that:

the long barrel-shaped drying roller is closed at two opposite sides, hot air is introduced, materials roll in the round drying roller under the state that the roller continuously rotates, heat absorbing blades are welded in the drying roller, the materials can absorb heat fully and contact with the heat absorbing blades, the materials are contacted with the hot air fully to take away moisture in the flowing of the hot air, heat energy is recycled, and corresponding yield is also improved greatly.

Drawings

FIG. 1 is a schematic view of a lignite resin drying apparatus according to the present utility model;

fig. 2 is an enlarged view of a portion a of a lignite resin drying apparatus according to the present utility model.

In the reference numerals: 1. a pulverized coal feeding device; 2. a waste heat recovery pipe; 3. a first dust collector; 4. a feed opening; 5. an air outlet; 6. an inner vane; 7. an exhaust fan; 8. a hollow pipe; 9. an external thermal cavity; 10. a combustion chamber; 11. an air heater; 12. adjusting a valve; 13. a rotary driving mechanism; 14. a flange type mechanical seal; 15. an exhaust gas overflow pipe; 16. a discharge port; 17. a roller; 18. and a second dust collector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a lignite resin drying device comprises a combustion chamber 10, a pulverized coal feeding device 1, an air heater 11, a feed opening 4 and a roller 17, wherein the pulverized coal feeding device 1 is arranged on one side of the combustion chamber 10, the feed opening 4 is arranged above the roller 17, a waste heat recovery pipe 2 is arranged at the top of the combustion chamber 10, a first dust collector 3 is arranged at one end of the waste heat recovery pipe 2, the air heater 11 is arranged on one side of the first dust collector 3, an adjusting valve 12 is arranged on one side of the air heater 11, an outer heat cavity 9 is arranged on one side of the adjusting valve 12, the roller 17 is arranged above the outer heat cavity 9, a rotary driving mechanism 13 is arranged below the roller 17, a hollow pipeline 8 is arranged in the middle of the roller 17, a plurality of air outlets 5 are uniformly distributed on the hollow pipeline 8, a plurality of inner blades 6 are uniformly distributed on the inner wall of the roller 17, one end of the roller 17 is provided with a flange type mechanical seal 14, a discharge opening 16 is arranged below the flange type mechanical seal 14, a waste gas 15 is arranged above the flange type mechanical seal 14, one end of the waste gas overflow pipe 15 is provided with a second dust collector 18, and an exhaust fan 7 is arranged outside the second dust collector 18.

Further: the roller 17 is obliquely arranged, so that the added materials are kept from overflowing from the discharge hole 16; the rotation direction of the inner blades 6 is the same, the inner blades 6 and the roller 17 are welded together, the effects of heat absorption and stirring are guaranteed, and meanwhile, the discharging function is realized when the rotation direction is changed; the rotary driving mechanism 13 adopts a motor to drive the speed reducer to rotate, and the rotation direction is positive and negative, so that the rotation of the roller 17 is changed conveniently, and stirring and discharging are ensured; the waste gas overflow pipe 15 is connected with the slip ring of the roller 17, so that the waste gas overflow pipe 15 is fixed when the roller 17 rotates, and waste gas is discharged.

Working principle: the pulverized coal feeding device 1 conveys fuel into a combustion chamber 10 for combustion, under the pushing of a hot air blower 11, waste gas flows into a first dust collector 3 through a waste heat recovery pipe 2 to separate and collect dust, then the waste gas enters an outer hot cavity 9 under the control of a regulating valve 12, flows into a roller 17 through a hollow pipeline 8 supported by a flange type mechanical seal 14, is discharged into the roller 17 from an air outlet 5, bi-directionally heats raw lignite resin liquid entering the roller 17 from an inner and outer discharging hole 4, simultaneously drives the roller 17 to rotate by a rotary driving mechanism 13, absorbs heat and stirs by an inner blade 6, dries the raw lignite resin liquid, the waste gas enters a second dust collector 18 through a waste gas overflow pipe 15 under the action of an exhaust fan 7 to be purified again, and finally the rotary driving mechanism 13 drives the roller 17 to reversely rotate to push the dried lignite resin to be discharged from a discharging hole 16 by the inner blade 6.

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

Claims

1. The utility model provides a lignite resin drying device, includes combustion chamber (10), buggy feeding device (1), air heater (11), feed opening (4) and cylinder (17), buggy feeding device (1) set up combustion chamber (10) one side, feed opening (4) set up cylinder (17) top, its characterized in that: still include combustion chamber (10) top installs waste heat recovery pipe (2), waste heat recovery pipe (2) one end is provided with first dust collector (3), air heater (11) set up first dust collector (3) one side, air heater (11) one side is installed governing valve (12), governing valve (12) one side is provided with outer hot chamber (9), cylinder (17) set up on outer hot chamber (9), be provided with rotary driving mechanism (13) below cylinder (17), be provided with hollow pipeline (8) in the middle of cylinder (17), evenly distributed has a plurality of gas outlets (5) on hollow pipeline (8), cylinder (17) inner wall evenly distributed has a plurality of inside blade (6), cylinder (17) one end is provided with flange formula mechanical seal (14), flange formula mechanical seal (14) below is provided with discharge gate (16), flange formula mechanical seal (14) top is provided with waste gas overflow pipe (15), waste gas overflow pipe (15) one end is provided with second dust collector (18), second dust collector (7) outside air exhauster (18).

2. A lignite resin drying apparatus according to claim 1, wherein: the roller (17) is obliquely arranged.

3. A lignite resin drying apparatus according to claim 1, wherein: the inner blades (6) are rotated in the same direction, and the inner blades (6) and the roller (17) are welded together.

4. A lignite resin drying apparatus according to claim 1, wherein: the rotation driving mechanism (13) adopts a motor to drive the speed reducer to rotate, and the rotation direction is positive and negative.

5. A lignite resin drying apparatus according to claim 1, wherein: the waste gas overflow pipe (15) is connected with the roller (17) through a slip ring.