CN217251458U - Tar residue processing apparatus - Google Patents

Abstract

The utility model relates to a tar residue processing apparatus relates to chemical industry equipment technical field. The technical scheme is as follows: the utility model provides a tar sediment processing apparatus, includes wet tar sediment storage tank, reation kettle, the machine of grinding and the tube centrifuge that connects gradually, and reation kettle still is connected with the oil washing storage tank, is provided with stirring subassembly and heating element in the reation kettle, and tube centrifuge's rear still is connected with dry sediment storehouse and tar dashpot. The utility model discloses an incessant joining wash oil of in-process at heating stirring tar sediment guarantees tar sediment and the abundant contact misce bene of wash oil, and the viscosity of sustainable lower tar sediment, the mobility and the separability of high tar sediment have ensured follow-up broken and mummification centrifugal separation's effect.

Description

Tar residue processing apparatus

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a tar sediment processing apparatus.

Background

The tar residue is waste residue generated in the coal tar refining process, the tar residue has extremely complex components, the main components comprise coal dust, coke powder, coal tar, impurities and the like, and a large amount of toxic substances including benzene substances, phenol substances and the like are contained in the tar residue. Part of organic matters in the tar residues are currently recognized as strong carcinogenic substances, and the harmfulness is extremely high. The coal tar slag is industrial waste slag, and the direct discharge of the coal tar slag can cause serious pollution to the surrounding environments such as farmlands, underground water, atmosphere and the like, so that the coal tar slag must be reasonably treated.

The tar residue contains a large amount of tar, has higher heat value and higher economic value. At present, the simple crushing and centrifuge separation technology adopted by the traditional tar residue treatment technology adopts a simple treatment device, cannot fully stir and crush, has poor treatment effect and easily causes tar waste. Therefore, the device which is simple to operate, low in cost, environment-friendly and pollution-free and can recycle the hazardous waste tar residues is very urgently needed.

Disclosure of Invention

To the broken problem of stirring that can not be abundant that the centrifugal processing mode exists behind the broken of above-mentioned tar sediment, the utility model provides a last tar sediment processing apparatus who adds the washing oil in order to improve breakage and separation effect in the tar sediment.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tar sediment processing apparatus, includes wet tar sediment storage tank, reation kettle, the machine of grinding and tubular centrifuge that connect gradually through the pipeline, and reation kettle still has the wash oil storage tank through the pipe connection, is provided with stirring subassembly and heating element in the reation kettle, and tubular centrifuge's rear still has dry sediment storehouse and tar dashpot through the pipe connection. The utility model discloses an incessant joining wash oil of in-process of heating stirring tar sediment guarantees tar sediment and the abundant contact misce bene of wash oil, and the mobility and the separability of the viscosity of sustainable lower tar sediment improve tar sediment have ensured follow-up broken and mummification centrifugal separation's effect.

Preferably, a three-phase horizontal centrifuge is connected in front of the wet tar residue storage tank. And (4) performing centrifugal separation on the coal tar through three horizontal centrifuges to obtain wet tar residues.

Preferably, the reaction kettle and the rear part of the tubular centrifuge are also connected with a tail gas washing tower, the inside of the tail gas washing tower is filled with stainless steel wire mesh corrugated filler, the top end of the tail gas washing tower is provided with a washing oil spray head, and the rear part of the tail gas washing tower is connected with a tubular furnace. Oil gas containing organic light components such as benzene and naphthalene is fully contacted and mixed with washing oil, the washing oil absorbs volatile gases such as benzene and naphthalene, the washed tail gas is sent into the tubular furnace through the fan to be combusted, energy in the tail gas is fully utilized, and the stainless steel wire mesh corrugated packing in the tail gas tower can increase the contact area between the washing oil and the tail gas and improve the effect of organic matter absorption of the washing oil.

Preferably, the stirring assembly comprises a stirring shaft arranged inside the reaction kettle, the stirring shaft is arranged along the direction of the center line of the reaction kettle, the top end of the stirring shaft is connected with the upper cover of the reaction kettle, stirring blades are arranged on the stirring shaft, and the stirring blades are spirally arranged around the stirring shaft or are arranged in parallel along the length direction of the stirring shaft. The tar residue in the reaction kettle is stirred by the stirring blades to be primarily crushed and fully mixed with the washing oil, so that the subsequent crushing and centrifugal separation effect is improved.

Preferably, the heating assembly comprises a steam channel arranged in the reaction kettle shell, the steam channel is arranged around the reaction kettle, the inlet of the steam channel is connected with the steam generator through a pipeline, and the outlet of the steam channel is connected with the condenser through a pipeline. The wet tar residue and the washing oil are heated by steam, so that the fluidity of the tar residue is improved, and the viscosity of the tar residue is reduced.

Preferably, a transfer pump is arranged between the mill and the tube centrifuge. The mixture of crushed wash oil and tar residue is pumped into a tube centrifuge by a transfer pump.

The utility model discloses following beneficial effect has: heating and stirring the tar residues before crushing, and continuously adding washing oil in the process, so that the tar residues and the washing oil are uniformly mixed, the viscosity of the tar residues is reduced, the fluidity and separability of the tar residues are improved, and the subsequent separation effect is improved; the washing oil sprayed by the tail gas washing tower absorbs volatile organic compounds in the tail gas, and then combusts oil gas in the tail gas, so that the pollution to the environment is reduced, the energy in the tail gas is fully utilized, and the resource utilization of tar residues is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of an embodiment of the present invention.

In the figure: 1. the device comprises a reaction kettle, 2 parts of a grinding machine, 3 parts of a conveying pump, 4 parts of a tubular centrifuge, 5 parts of a dry residue bin, 6 parts of a tar buffer tank, 7 parts of a tail gas washing tower, 8 parts of a wet tar residue storage tank, 9 parts of a washing oil storage tank, 10 parts of a three-phase horizontal centrifuge, 11 parts of a steam generator, 12 parts of a condenser, 13 parts of a stirring shaft, 14 parts of a stirring blade.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1, a tar residue treatment device comprises a three-phase horizontal centrifuge 10, wherein the three-phase horizontal centrifuge 10 is connected with a coal tar storage tank and a wet tar residue storage tank 8, the rear part of the wet tar residue storage tank 8 is sequentially connected with a reaction kettle 1, a grinding machine 2, a delivery pump 3 and a tubular centrifuge 4, and the rear part of the tubular centrifuge 4 is also connected with a dry residue bin 5 and a tar buffer tank 6; the front of the reaction kettle 1 is also connected with a washing oil storage tank 9, and the components are connected through pipelines. The reaction kettle 1 and the tubular centrifuge 4 are further connected with a tail gas washing tower 7 through a pipeline, the bottom end of the tail gas washing tower 7 is connected with the pipeline, stainless steel wire mesh corrugated filler is filled in the tail gas washing tower 7, a washing oil nozzle is arranged at the top end of the tail gas washing tower 7, and a tubular furnace is connected to the rear of the tail gas washing tower. A stirring shaft 13 is arranged in the reaction kettle 1, the stirring shaft 13 is arranged along the direction of the central line of the reaction kettle 1, the top end of the stirring shaft 13 is connected with the upper cover of the reaction kettle 1, a stirring blade 14 is arranged on the stirring shaft 13, the stirring blade 14 surrounds the stirring shaft 13 and is spirally arranged, or the stirring blade 14 is arranged in parallel along the length direction of the stirring shaft 13. A steam channel is arranged in the shell of the reaction kettle 1, the steam channel surrounds the reaction kettle 1, the inlet of the steam channel is connected with a steam generator 11 through a pipeline, and the outlet of the steam channel is connected with a condenser 12 through a pipeline.

The utility model discloses a theory of operation does: firstly, the coal tar is centrifuged by a three-phase horizontal centrifuge 10, tar residues in the coal tar are separated, the coal tar is stored in a coal tar storage tank, and wet tar residues are stored in a wet tar residue storage tank 8. Conveying the wet tar residue in the wet tar residue storage tank 8 to the reaction kettle 1, heating and stirring in the reaction kettle 1, and continuously adding washing oil into the reaction kettle 1 by the washing oil storage tank 9 in the heating and stirring processes to fully mix the wet tar residue with the washing oil, so that the viscosity of the wet tar residue is reduced, and the fluidity and separability of the wet tar residue are enhanced; and then conveying the mixture of the tar residue and the washing oil to a grinder 2, grinding and crushing the tar residue, pumping the mixture into a tubular centrifuge 4 through a conveying pump 3 for centrifugal separation, conveying the tar residue obtained by centrifugation to a dry residue bin 5 for storage, and conveying the mixture of the washing oil and the coal tar to a tar buffer tank 6 for recovery. During the heating and stirring of the reaction kettle 1 and the centrifuging process of the tubular centrifuge 4, certain tail gas can be generated, the tail gas is mainly oil gas containing benzene, naphthalene and other organic matters, the tail gas is introduced into the bottom of the tail gas washing tower 7, washing oil is sprayed on the top of the tail gas washing tower 7, the washing oil is fully distributed with stainless steel wire mesh corrugated filler, the contact area between the tail gas and the washing oil is increased, the washing oil absorbs the organic matters in the tail gas, and the oil gas is conveyed to the tubular tower for combustion to provide energy.

It will be understood that when an element or layer is referred to as being "on," connected to, "or" coupled to "another element or layer, it can be directly on, connected or coupled to the other element or layer, and intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Spatially relative terms, such as "under …," "below," "lower," "above," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description in this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The terms "first," "second," "third," "fourth," and the like (if any) in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Without departing from the spirit and substance of the present invention, any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a tar sediment processing apparatus, its characterized in that includes wet tar sediment storage tank, reation kettle, the machine of grinding and the tube centrifuge who connects gradually through the pipeline, and reation kettle still has the oil washing storage tank through the pipe connection, is provided with stirring subassembly and heating element in the reation kettle, and tube centrifuge's rear still has dry sediment storehouse and tar dashpot through the pipe connection.

2. The tar residue treatment apparatus of claim 1, wherein a three-phase horizontal centrifuge is connected in front of the wet tar residue storage tank.

3. The tar residue treatment device according to claim 1 or 2, wherein a tail gas washing tower is connected to the rear of the reaction kettle and the tubular centrifuge, stainless steel wire mesh corrugated packing is filled in the tail gas washing tower, a washing oil nozzle is arranged at the top end of the tail gas washing tower, and a tubular furnace is connected to the rear of the tail gas washing tower.

4. The tar slag treatment apparatus according to claim 1 or 2, wherein the stirring assembly comprises a stirring shaft disposed inside the reaction vessel, the stirring shaft is disposed along a center line direction of the reaction vessel, a top end of the stirring shaft is connected to an upper cover of the reaction vessel, the stirring shaft is provided with stirring blades, and the stirring blades are disposed spirally around the stirring shaft, or the stirring blades are disposed in parallel along a length direction of the stirring shaft.

5. The tar slag treatment apparatus according to claim 1 or 2, wherein the heating assembly includes a steam passage provided in the reaction vessel housing, the steam passage being disposed around the reaction vessel, an inlet of the steam passage being connected to the steam generator through a pipe, and an outlet of the steam passage being connected to the condenser through a pipe.

6. The tar residue treatment apparatus according to claim 1 or 2, wherein a transfer pump is provided between the mill and the tube centrifuge.

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