CN211705997U - Clarifying tank for coking plant - Google Patents

Abstract

The utility model discloses a clarification tank for coking plant, this clarification tank is provided with drain tank and oil-separating grid in the cell body, wherein, oil-separating grid can be with the interception of oil slick and part light tar that does not subside down, and the light tar that subsides down can suspend in the mixed layer between tar layer and aqueous ammonia layer, through the interception of drain tank, the light tar that finally is intercepted by oil-separating grid and drain tank all derives from the cell body through the drain tank, accomplish the separation of light tar, be used for the preparation of primary cooler spray liquid in the coking plant to use, in order to avoid the wasting of resources of light tar; the clarifying tank for the coking plant has the advantages of simple structure, reasonable design, convenience in use, reduction of light tar resource waste and the like.

Description

Clarifying tank for coking plant

Technical Field

The utility model discloses a technical field who uses equipment in the coking plant especially relates to a coking plant uses depositing reservoir.

Background

The clarifying tank is the extraction equipment used by people at first and is the necessary equipment of a coke-oven plant. At present, coke-oven plant all inputs tar aqueous ammonia mixed liquid to the clarification tank in, clarifies the extraction through the clarification tank, makes the tar aqueous ammonia mixed liquid of input divide into by supreme down in proper order in the clarification tank: tar slag layer, tar layer and aqueous ammonia layer, wherein, the tar slag is scraped away through the scraper blade on the scraper conveyor to carry tar slag discharge hole department and discharge, and tar discharges through the tar discharge hole, and the aqueous ammonia discharges through the aqueous ammonia discharge hole.

However, in the actual production process: some light tar will be mixed in the discharged ammonia water and the discharged tar, and in essence, the light tar is one of the raw materials of the primary cooler spraying liquid in the coke-oven plant, so how to separate the light tar from the clarifying tank to avoid the waste of resources, which becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a clarification tank is used in coking plant to at least, solve current clarification tank and can't separate out light tar from aqueous ammonia and tar, lead to the wasting of resources scheduling problem.

The utility model provides a technical scheme specifically does, a coking plant uses depositing reservoir, and this depositing reservoir includes: the device comprises a tank body 1, a cover body 2, a scraper conveyor 3, a liquid guide groove 4 and an oil separation grid 5;

the upper end of the tank body 1 is open, an ammonia water discharge hole 11, a mounting hole and a tar discharge hole 12 which are communicated with the inner cavity of the tank body 1 are sequentially arranged on the side wall of one end of the tank body 1 from top to bottom, and a tar residue discharge hole 13 is arranged below the other end of the tank body 1;

the cover body 2 is buckled and arranged at an open position at the upper end of the groove body 1;

the scraper conveyer 3 is arranged above the bottom surface of the tank body 1 along the length direction of the tank body 1, and one end of the scraper conveyer 3 is positioned above the tar residue discharge hole 13;

one end of the liquid guide groove 4 is positioned outside the groove body 1, and the other end of the liquid guide groove passes through the mounting hole on the groove body 1, horizontally extends to the side wall of the other end of the liquid guide groove 4 and is fixedly connected with the inner wall of the side wall of the other end;

the oil separation grid 5 is arranged along the length direction of the groove body 1, the upper end of the oil separation grid 5 is fixedly connected with the lower surface of the cover body 2, and the lower end of the oil separation grid 5 is located in the liquid guide groove 4.

Preferably, the end surfaces of both ends of the liquid guide groove 4 are trapezoidal.

Further preferably, the height of the oil fence 5 is 546 mm.

More preferably, the width of the end surfaces of both ends of the liquid guide groove 4 is 200mm, and the height is 100 mm.

Further preferably, the scraper conveyor 3 includes: a driving wheel 31, a driven wheel 32, a conveying belt 33 and a plurality of oil scraping plates 34;

the conveyer belt 33 is sleeved outside the driving wheel 31 and the driven wheel 32 in a transmission manner;

the plurality of oil scraping plates 34 are respectively arranged along the transmission direction of the conveying belt 33 at intervals, and one end part of each oil scraping plate 34 is fixedly connected with the conveying belt.

The utility model provides a coking plant uses clarification tank, this clarification tank is provided with drain tank and oil separation bars in the cell body, wherein, oil separation bars can get off the interception of the light tar that oil slick and part do not subside, and the light tar that subsides and get off can suspend the mixing layer between tar layer and aqueous ammonia layer, through the drain tank interception, finally by the light tar that separates oil grid and drain tank interception, all derive from the cell body through the drain tank, accomplish the separation of light tar, a preparation that is arranged in the coking plant primary cooler sprays liquid is used, in order to avoid the wasting of resources of light tar.

The utility model provides a clarification tank is used in coking plant has simple structure, reasonable in design, convenient to use, reduces advantages such as light tar wasting of resources.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a clarifying tank for a coking plant according to an embodiment of the present disclosure;

fig. 2 is a cross-sectional view along AA of fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.

In order to solve the problems of resource waste and the like caused by the fact that the light tar cannot be separated from ammonia water and tar in the existing clarification tank, the embodiment provides a clarification tank for a coking plant, which is mainly composed of a tank body 1, a cover body 2, a scraper conveyor 3, a liquid guide tank 4 and an oil separation grid 5, wherein the upper end of the tank body 1 is open, an ammonia water discharge hole 11, a mounting hole and a tar discharge hole 12 which are communicated with an inner cavity of the tank body 1 are sequentially arranged on the side wall of one end of the tank body 1 from top to bottom, a tar residue discharge hole 13 is arranged below the other end of the tank body 1, the cover body 2 is buckled and arranged at the opening of the upper end of the tank body 1, the scraper conveyor 3 is arranged above the bottom surface of the tank body 1 along the length direction of the tank body 1, one end of the scraper conveyor 3 is positioned above the tar residue discharge hole 13, one end of the liquid, the other end passes the mounting hole on the cell body 1 after, and the level extends to the other end lateral wall of liquid guide groove 4, and with the inner wall fixed connection of other end lateral wall, oil removal bars 5 set up along the length direction of cell body 1, and the upper end of oil removal bars 5 and the lower surface fixed connection of lid 2, and the lower extreme of oil removal bars 5 is located liquid guide groove 4.

The operating principle of the clarifying tank for the coking plant in the embodiment is as follows: after the tar-ammonia mixed liquid is input from the inlet of the tank body 1, the mixed liquid is precipitated and layered in the tank body 1, according to the specific gravity of each component, tar residue is positioned at the bottommost layer of the tank body 1 to form a tar residue layer, tar is positioned at the middle layer of the tank body 1 to form a tar layer, ammonia is positioned at the uppermost layer to form an ammonia water layer, wherein a mixed layer is formed between the tar layer and the ammonia water layer, and mainly light tar is in the layer, the light tar in the mixed layer can be led out from the clarifying tank due to the arrangement of the liquid guiding groove 4 and the oil separating grid 5 in the clarifying tank in the embodiment, particularly, the oil separating grid 5 is positioned at the ammonia water layer and the mixed layer, floating oil and part of the light tar which is not precipitated can be intercepted, and the precipitated light tar can be suspended in the mixed layer and intercepted by the liquid guiding groove 4, and the light tar intercepted by the oil separating grid 5 and the liquid guiding groove, the ammonia water in the ammonia water layer and the tar in the tar layer can be respectively discharged through an ammonia water discharge hole 11 and a tar discharge hole 12, and the tar residue in the tar residue layer can be conveyed to a tar residue discharge hole 13 through a scraper conveyor 3 and discharged.

As an improvement of the technical scheme, referring to FIG. 2, the end surfaces of both ends of the liquid guiding groove 4 are trapezoidal, and the two side walls of the liquid guiding groove 4 can be inclined by the trapezoidal structural design, so that the light tar of the mixed layer can enter the liquid guiding groove 4 more easily, and the liquid guiding effect of the liquid guiding groove 4 is improved.

In a specific implementation, the height of the oil fence 5 is designed to be 546 mm; the width of the end faces of the two ends of the liquid guide groove 4 is 200mm, and the height is 100 mm.

Wherein, scraper conveyor 3 can choose for use any structure, as long as can realize carrying the tar on tar sediment layer to tar sediment discharge hole 13 department can, the following concrete structure that provides a scraper conveyor 3, as the example, but is not used for the restriction the utility model discloses a protection scope.

Referring to fig. 1, the scraper conveyor 3 mainly comprises a driving wheel 31, a driven wheel 32, a conveyor belt 33 and a plurality of scraper plates 34, wherein the conveyor belt 33 is sleeved outside the driving wheel 31 and the driven wheel 32 in a transmission manner, the plurality of scraper plates 34 are respectively arranged at intervals along the transmission direction of the conveyor belt 33, and one end of each scraper plate 34 is fixedly connected with the conveyor belt.

The specific working process of the scraper conveyor 3 is as follows: through the rotation of action wheel 31, can drive conveyer belt 33 and carry out the transmission in cell body 1, scraper 34 can move along with conveyer belt 33 in the transmission of conveyer belt 33, scrapes the tar sediment, and after arriving from driving wheel 32, along with action wheel 31 continues to rotate, the tar sediment on this scraper 34 can drop to tar sediment discharge hole 13 and discharge.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (5)

1. A clearing sump for a coking plant, comprising: the device comprises a tank body (1), a cover body (2), a scraper conveyor (3), a liquid guide tank (4) and an oil separation grid (5);

the upper end of the tank body (1) is open, an ammonia water discharge hole (11), a mounting hole and a tar discharge hole (12) which are communicated with the inner cavity of the tank body (1) are sequentially arranged on the side wall of one end of the tank body (1) from top to bottom, and a tar residue discharge hole (13) is arranged below the other end of the tank body (1);

the cover body (2) is buckled and arranged at an upper end opening of the groove body (1);

the scraper conveyor (3) is arranged above the bottom surface of the tank body (1) along the length direction of the tank body (1), and one end of the scraper conveyor (3) is positioned above the tar residue discharge hole (13);

one end of the liquid guide groove (4) is positioned outside the groove body (1), and the other end of the liquid guide groove penetrates through the mounting hole in the groove body (1), horizontally extends to the side wall of the other end of the liquid guide groove (4), and is fixedly connected with the inner wall of the side wall of the other end;

the oil separation fence (5) is arranged along the length direction of the groove body (1), the upper end of the oil separation fence (5) is fixedly connected with the lower surface of the cover body (2), and the lower end of the oil separation fence (5) is located in the liquid guide groove (4).

2. The coking plant clarifying tank according to claim 1, wherein both end faces of the liquid guide tank (4) are trapezoidal.

3. A coking plant settler according to claim 1, characterized in that the oil boom (5) has a height of 546 mm.

4. The coking plant clarifying tank defined in claim 2, wherein the width of the end faces of both ends of said liquid guiding tank (4) is 200mm and the height thereof is 100 mm.

5. The coker clarifier of claim 1, wherein the scraper conveyor (3) comprises: a driving wheel (31), a driven wheel (32), a conveying belt (33) and a plurality of oil scraping plates (34);

the conveying belt (33) is sleeved outside the driving wheel (31) and the driven wheel (32) in a transmission manner;

the plurality of oil scraping plates (34) are arranged along the transmission direction of the conveying belt (33) at intervals, and one end part of each oil scraping plate (34) is fixedly connected with the conveying belt.

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