CN216738419U

CN216738419U - Coal blast furnace main pipeline deposits grey device

Info

Publication number: CN216738419U
Application number: CN202122954678.1U
Authority: CN
Inventors: 黄彦兵; 何宁; 曹喜
Original assignee: Ningxia Xinghua Iron And Steel Co ltd
Current assignee: Ningxia Xinghua Iron And Steel Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-06-14
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a coal blast furnace main pipeline ash settling device, which comprises a blast furnace, wherein the blast furnace comprises a main pipeline, the main pipeline is connected with an ash settling box, a negative pressure pump is arranged at the joint of the main pipeline and the ash settling box, a supporting seat is arranged at the bottom of the ash settling box, the supporting seat comprises an upper part, a middle part and a lower part, a water inlet and a feed inlet are arranged at the top of the upper part, and a stirring device and a density detector are arranged in the upper part; the stirring device comprises a telescopic stirring vertical shaft; a plurality of ultraviolet germicidal lamps are arranged on the inner side wall of the middle part; the lower part is funnel-shaped, and a plurality of heating blocks are arranged on the inner side wall of the lower part; the sedimentation ash box is connected with a sedimentation box, and a pressure pump is arranged at the joint of the sedimentation ash box and the sedimentation box; the ash settling tank is connected with a PLC control device; can be with the dust clean up in the trunk line, need not artifical regular clearance again, can not influence production efficiency again, practiced thrift the cost of labor, improved production efficiency, also can not cause environmental pollution simultaneously.

Description

Coal blast furnace main pipeline deposits grey device

Technical Field

The utility model relates to an ash precipitating device, in particular to an ash precipitating device for a main pipeline of a coal blast furnace.

Background

The blast furnace of semi-clean coal gas along with its work, the trunk line can accumulate a large amount of dusts in long-term the use, including some harmful substance, directly discharge and can cause the atmosphere pollution, consequently generally all stay in the trunk line, can block up the trunk line when serious, needs the clearance of staff's regularity, and the cost of labor not only can be increased in frequent clearance like this, and most importantly can be shut down when clearing up, can seriously influence work efficiency. The production efficiency is greatly reduced for a long time, which is not beneficial to production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solution to the above problems, a coal blast furnace main pipeline ash settling device is provided, which comprises a blast furnace, wherein the blast furnace comprises a main pipeline, the main pipeline is connected with an ash settling box, a negative pressure pump is arranged at the joint of the main pipeline and the ash settling box, a supporting seat is arranged at the bottom of the ash settling box, the supporting seat comprises an upper part, a middle part and a lower part, a water inlet and a feed inlet are arranged at the top of the upper part, and a stirring device and a density detector are arranged in the upper part;

the stirring device comprises a telescopic stirring vertical shaft; a plurality of ultraviolet germicidal lamps are arranged on the inner side wall of the middle part; the lower part is funnel-shaped, and a plurality of heating blocks are arranged on the inner side wall of the lower part; the sedimentation ash box is connected with a sedimentation box, and a pressure pump is arranged at the connection part of the sedimentation ash box and the sedimentation box; the ash settling box is connected with a PLC control device.

Furthermore, the stirring vertical shaft is connected with a rectangular stirring blade, and the stirring blade is transversely arranged.

Further, the middle part is connected with the settling tank.

Further, the sediment ash box with supporting seat fixed connection.

Further, the upper part is detachably connected with the sediment ash box.

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

the utility model relates to a coal blast furnace trunk line deposits grey device, make medicine and water dissolve under agitating unit's effect, form medicine solution, agitating unit also promotes the dust to dissolve into medicine solution simultaneously, make dust and medicine solution mix more abundant, the heating piece heats it, make the medicine exert the maximum effect under suitable temperature, sterilamp disinfects to solution simultaneously, get rid of the harmful substance in the dust, the change of solution density is measured at any time to the density detector, and pass to PLC controlling means, the staff before the PLC controlling means, according to the data of returning, judge whether need continue to add the medicine in the solution. And stopping stirring immediately after the solution is reacted, pumping the reacted solution into a precipitation tank through a pressure pump, and performing precipitation and next treatment.

Negative pressure pump and sediment ash bin are lasted or discontinuity work like this, can be with the dust clean up in the trunk line, and the sediment after the neutralization detects discharge after up to standard, both need not artifical clearance regularly, can not influence production efficiency again, have practiced thrift the cost of labor, have improved production efficiency, also can not cause environmental pollution simultaneously.

Drawings

In order to more clearly explain the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

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

Fig. 2 is a schematic view of the ash depositing tank of the present invention.

In the figure, 1-blast furnace, 2-main pipeline, 3-ash settling tank, 4-negative pressure pump, 5-supporting seat, 501-upper part, 502-middle part, 503-lower part, 504-water inlet, 505-feeding hole, 6-stirring device, 7-density detector, 601-stirring vertical shaft, 8-ultraviolet sterilizing lamp, 9-heating block, 10-settling tank and 11-pressure pump.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses a coal blast furnace main pipeline deposits grey device, including blast furnace 1, blast furnace 1 includes main pipeline 2, and main pipeline 2 is connected with deposits grey case 3, and the negative pressure pump 4 is installed with depositing grey case 3 junction to main pipeline 2, and the bottom of depositing grey case 3 is installed and is supported seat 5, and supported seat 5 includes upper portion 501, middle part 502 and lower part 503, and the top of upper portion 501 is provided with water inlet 504 and feed inlet 505, installs agitating unit 6 and density detector 7 in the upper portion 501;

the stirring device 6 comprises a telescopic stirring vertical shaft 601; a plurality of ultraviolet germicidal lamps 8 are arranged on the inner side wall of the middle part 502; the lower part 503 is funnel-shaped, and a plurality of heating blocks 9 are arranged on the inner side wall of the lower part 503; the sediment ash box 3 is connected with a sediment box 10, and a pressure pump 11 is arranged at the joint of the sediment ash box 3 and the sediment box 10; the ash settling tank 3 is connected with a PLC control device.

Specifically, the vertical stirring shaft 601 is connected with a rectangular stirring blade, and the stirring blade is transversely arranged.

In particular, the middle portion 502 is connected to the settling tank 10.

Specifically, the ash settling box 3 is fixedly connected with the supporting seat 5.

In particular, the upper part 501 is detachably connected with the deposition ash box 3.

The utility model discloses the theory of operation: when in use, the negative pressure pump 4 extracts dust accumulated in the main pipeline 2 of the blast furnace 1, so that the dust enters the dust settling box 3 through the negative pressure pump 4, the dust settling box 3 is introduced with water through the water inlet 504 before the dust enters, then medicine capable of neutralizing dust components is added through the feed inlet 505, the medicine is dissolved with water under the action of the stirring device 6 to form medicine solution, meanwhile, the stirring device 6 also promotes the dust to be dissolved into the medicine solution, so that the dust and the medicine solution are mixed more fully, the medicine is heated by the heating block 9, the medicine can exert the maximum effect at a proper temperature so as to dissolve and neutralize the dust to the maximum, meanwhile, the ultraviolet sterilizing lamp 8 sterilizes the solution, harmful substances in the dust are removed to the maximum, the density detector 7 measures the density change of the solution at any time and transmits the change to the PLC control device, and a worker in front of the PLC control device, and judging whether the medicine needs to be continuously added into the solution or not according to the fed back data. The worker can know the components of the dust approximately according to experience, so whether the components capable of being neutralized by the medicine in the solution are neutralized or not can be judged approximately according to the density of the solution, and whether the medicine needs to be added continuously or not can be judged.

And (3) the neutralized solution can generate precipitate and the like, and according to the feedback of the density detector 7, the solution is judged to have reacted, the stirring is stopped immediately, and then the reacted solution is pumped into a precipitation tank 10 through a pressure pump 11 for precipitation and next treatment.

Stirring vertical axis 601 is connected with rectangle stirring vane, and stirring vane transversely sets up, and the stirring dynamics is big for water, medicine and dust mix more fully.

The middle portion 502 is connected to the settling tank 10 such that the dust inlet position of the settling tank 10 is higher than the liquid discharge position in the settling tank 10.

The ash depositing box 3 is fixedly connected with the supporting seat 5 into a whole without disassembly.

The upper part 501 is detachably connected with the sediment ash box 3, and the replacement of the stirring device 6 in the upper part 501, the cleaning of the water inlet 504 and the feed inlet 505 are realized by taking down the upper part 501.

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

It will be understood that the present application is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims

1. The main pipeline ash precipitating device of the coal blast furnace comprises a blast furnace and is characterized in that the blast furnace comprises a main pipeline, the main pipeline is connected with an ash precipitating box, a negative pressure pump is installed at the joint of the main pipeline and the ash precipitating box, a supporting seat is installed at the bottom of the ash precipitating box and comprises an upper part, a middle part and a lower part, a water inlet and a feed inlet are formed in the top of the upper part, and a stirring device and a density detector are installed in the upper part;

2. The coal blast furnace main pipe ash settling device as claimed in claim 1, wherein the stirring vertical shaft is connected with rectangular stirring blades which are transversely arranged.

3. The main pipe ash settling device of a coal blast furnace as claimed in claim 1, wherein the middle portion is connected to the settling tank.

4. The coal blast furnace main pipe ash settling device as claimed in claim 3, wherein the ash settling tank is fixedly connected with the supporting seat.

5. The main coal blast furnace pipe ash settling device as claimed in claim 4, wherein the upper part is detachably connected to the ash settling tank.