Tar residue drying treatment system

Abstract

The utility model discloses a tar residue drying treatment system, which belongs to the technical field of tar treatment and comprises a mechanical residue scraping groove, a conveyor, a liquefying tank, a conveying pump, a centrifugal machine, a mechanical clarifying groove, a residue drying hopper and a VOCs (volatile organic compounds) system, the mechanical residue scraping groove is connected with one end of the conveyor, and the other end of the conveyor is connected with an input port of the liquefying tank; an output port of the liquefying tank is connected with a delivery pump through a pipeline, the delivery pump is also connected with a centrifugal machine through a pipeline, and the centrifugal machine is respectively connected with a mechanical clarifying tank, a dry slag hopper and a VOCs system through pipelines; according to the utility model, the structure is simpler, the power of the used equipment is reduced, the working efficiency is higher, and the equipment cost is greatly reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tar processing, and in particular relates to a tar residue drying processing system. Background Art

[0002] Tar residue is a viscous waste residue, which mainly contains coal powder, coke powder, coal tar, resinous polymers, mechanical impurities, ammonia water, benzene, phenols and naphthalene, etc. The solid component accounts for only about 50%, and it is a hazardous waste.

[0003] The existing devices used in the process of treating tar residue have complex structures, consume a lot of power, and have lower working efficiency.

[0004] Therefore, how to provide a tar residue drying treatment system is a problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] The main purpose of the utility model is to provide a tar residue drying treatment system to solve the above technical problems. The structure of the device is simpler, the power of the equipment used is reduced, the working efficiency is higher and the equipment cost is greatly reduced.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A tar residue drying treatment system comprises a mechanical scraper trough, a conveyor, a liquefaction tank, a delivery pump, a centrifuge, a mechanized clarification tank, a dry residue hopper and a VOCs system, wherein the mechanical scraper trough is connected to one end of the conveyor, the other end of the conveyor is connected to the input port of the liquefaction tank, the output port of the liquefaction tank is connected to the delivery pump through a pipeline, the delivery pump is also connected to the centrifuge through a pipeline, and the centrifuge is respectively connected to the mechanized clarification tank, the dry residue hopper and the VOCs system through pipelines.

[0008] Furthermore, the pipelines are all provided with control valves.

[0009] Furthermore, the liquefaction tank is also connected to the ammonia delivery pipe, the steam delivery pipe and the tar delivery pipe.

[0010] Furthermore, a flow meter is also provided on the pipeline connecting the delivery pump and the centrifuge.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The structure of the utility model is simpler, the power of the equipment used is reduced, the working efficiency is higher and the equipment cost is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the process of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the utility model.

[0016] Among them, 1-mechanical scraping trough, 2-conveyor, 3-liquefaction tank, 4-transfer pump, 5-centrifuge, 6-mechanized clarification tank, 7-dry slag hopper, 8-VOCs system. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] like Figure 1-2As shown, the utility model provides a tar residue drying treatment system, including a mechanical scraping trough 1, a conveyor 2, a liquefaction tank 3, a delivery pump 4, a centrifuge 5, a mechanized clarification tank 6, a dry residue hopper 7 and a VOCs system 8, wherein the mechanical scraping trough 1 is connected to one end of the conveyor 2, the other end of the conveyor 2 is connected to the input port of the liquefaction tank 3, the output port of the liquefaction tank 3 is connected to the delivery pump 4 through a pipeline, the delivery pump 4 is also connected to the centrifuge 5 through a pipeline, and the centrifuge 5 is respectively connected to the mechanized clarification tank 6, the dry residue hopper 7 and the VOCs system 8 through pipelines. The mechanical scraper trough 1 is used to hold tar residue; the conveyor 2 can maintain stable operation and convey the falling material to the liquefaction tank 3; heated ammonia water and heated steam are introduced into the liquefaction tank 3 to heat the tar residue and tar in the liquefaction tank 3 and keep it smooth, so as to facilitate the grinding of the tar residue and separate the tar residue, tar and gas without discharging any substances, completely separate the tar from the tar residue, and recover the tar without wasting resources; at the same time, the liquefaction tank 3 can stir the tar residue inside, and add tar while stirring to increase the fluidity of the tar residue; the centrifuge 5 is used to separate the dry residue and the oil-water mixture; the mechanized clarification tank 6 can separate the tar, ammonia water and tar residue by the principle of gravity sedimentation; it is divided into three layers in the tank, the upper layer is ammonia water, the middle layer is tar, and the lower layer is tar residue; the dry residue bucket 7 is used to collect the dry residue, and the separated dry residue is transported to the coal yard for coal blending; the VOCs system 8 is used to treat the waste gas.

[0019] In this embodiment, control valves are provided on the pipelines, and the control valves are used to control the flow of tar.

[0020] In this embodiment, the liquefaction tank 3 is also connected to the ammonia water delivery pipe, the steam delivery pipe and the tar delivery pipe; and is used to deliver heated ammonia water, heated steam and tar.

[0021] In this embodiment, a flow meter is also provided on the pipeline connecting the delivery pump 4 and the centrifuge 5 .

[0022] Working principle: The tar residue in the mechanical scraper tank 1 is transported to the inside of the liquefaction tank 3 by the conveyor 2, and heated ammonia water and heated steam are introduced to heat the tar residue and tar in the liquefaction tank 3 to keep it smooth, and tar is added while stirring in the liquefaction tank 3 to ensure the fluidity of the tar residue; then the mixture in the liquefaction tank 3 is transported to the centrifuge 5 by the delivery pump for centrifugal separation of dry residue and oil-water mixture, and the remaining waste gas is discharged into the VOCs system 8 for treatment; the dry residue is discharged into the dry residue hopper 7 for collecting the dry residue, and the separated dry residue is finally transported to the coal yard for coal blending; the oil-water mixture is discharged into the mechanized clarification tank 6 for separation.

[0023] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0024] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tar residue drying treatment system, characterized in that: The invention comprises a mechanical scraper tank (1), a conveyor (2), a liquefaction tank (3), a delivery pump (4), a centrifuge (5), a mechanized clarification tank (6), a dry slag hopper (7) and a VOCs system (8), wherein the mechanical scraper tank (1) is connected to one end of the conveyor (2), the other end of the conveyor (2) is connected to the input port of the liquefaction tank (3), the output port of the liquefaction tank (3) is connected to the delivery pump (4) through a pipeline, the delivery pump (4) is also connected to the centrifuge (5) through a pipeline, and the centrifuge (5) is respectively connected to the mechanized clarification tank (6), the dry slag hopper (7) and the VOCs system (8) through pipelines.

2. A tar residue drying treatment system according to claim 1, characterized in that: The pipelines are all provided with control valves.

3. A tar residue drying treatment system according to claim 1, characterized in that: The liquefaction tank (3) is also connected to an ammonia water delivery pipe, a steam delivery pipe and a tar delivery pipe.

4. The tar residue drying treatment system according to claim 1, characterized in that: A flow meter is also provided on the pipeline connecting the delivery pump (4) and the centrifuge (5).

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