CN217838821U - Furnace top gas recovery and dust removal equipment - Google Patents

Abstract

The utility model relates to a coal gas recovery removes dust technical field, especially relates to a furnace roof coal gas recovery dust collecting equipment. The technical scheme comprises the following steps: the utility model discloses a blast furnace, including blast furnace body, first box and second box, the top face embedding of blast furnace body is fixed with the intake pipe, and the inner wall of blast furnace body installs the filter screen, the bottom face embedding of blast furnace body is fixed with first drain pipe, and installs the valve on the first drain pipe, the embedding is fixed with the feed liquor pipe in the blast furnace body, the rear end face embedding of blast furnace body is fixed with fixed pipe, and fixed pipe deviates from the one end embedding of blast furnace body and be fixed with first box, the one end embedding that first box deviates from fixed pipe is fixed with spacing pipe, and installs the fan in spacing pipe, the one end embedding that spacing pipe deviates from first box is fixed with the second box, and installs the sack cleaner body in the second box. The utility model discloses satisfy the coal gas recovery and be good for, conveniently remove dust fast, and can cool off the flue gas.

Description

Furnace top gas recovery and dust removal equipment

Technical Field

The utility model relates to a coal gas recovery dust removal technical field specifically is a furnace roof coal gas recovery dust collecting equipment.

Background

Blast furnace gas is a byproduct combustible gas in the blast furnace iron-making production process. The combustible carbon monoxide-containing gas is a low-calorific-value gas fuel and can be used as a self-use gas for metallurgical enterprises, such as heating hot rolled steel ingots, preheating steel ladles and the like. Can also be supplied for civil use, if coke oven gas is added, the coke oven gas is called as 'mixed gas', thus improving the heat value.

Through retrieval, patent publication No. CN213113391U discloses a novel furnace top gas recovery device, including the big platform of furnace top, big platform both ends fixedly connected with gas recovery pipe of furnace top, the gas recovery pipe upper end is provided with communicating pipe, the gas recovery pipe left end is provided with first manual eye valve, the gas recovery pipe right-hand member is provided with the manual eye valve of second, first manual eye valve upper end is provided with first voltage-sharing blow-off valve, the upper end of communicating pipe left side is provided with first pressure-sharing valve, first pressure-sharing valve upper end is provided with the manual eye valve of third, the upper end of communicating pipe right side is provided with the second voltage-sharing blow-off valve, second manual eye valve upper end is provided with second voltage-sharing blow-off valve and third voltage-sharing blow-off valve, be connected with the bypass pipeline on the gas recovery pipe, and the gas recovery storehouse body has adopted the mode of air admission, and the horn mouth has been designed to the lower part, has played the effect of gravity dust remover during the recovery, has practiced thrift the cost greatly, has still practiced thrift the place.

The existing furnace top gas recovery dust removal equipment has the following defects:

1. the existing furnace top gas recovery dust removal equipment has no good flue gas dust removal structure, and internal dust cannot be rapidly treated during dust removal, so that the actual recovery efficiency is influenced;

2. the common furnace top gas recovery and dust removal equipment does not have a good flue gas cooling structure, so that the gas outlet temperature is high, and the recovery and utilization are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust collecting equipment is retrieved to furnace top coal gas to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a furnace roof coal gas retrieves dust collecting equipment, includes blast furnace body, first box and second box, the embedding of the top face of blast furnace body is fixed with the intake pipe, and the inner wall of blast furnace body installs the filter screen, the embedding is fixed with the feed liquor pipe in the blast furnace body, the rear end face embedding of blast furnace body is fixed with fixed pipe, and the one end embedding that fixed pipe deviates from the blast furnace body is fixed with first box, the one end embedding that first box deviates from fixed pipe is fixed with spacing pipe, and installs the fan in the spacing pipe, the one end embedding that spacing pipe deviates from first box is fixed with the second box, and installs the sack cleaner body in the second box.

Preferably, a first liquid outlet pipe is fixedly embedded in the bottom end face of the blast furnace body, and a valve is mounted on the first liquid outlet pipe. The valve is arranged on the first liquid outlet pipe, so that the water in the blast furnace body can be discharged when the valve is opened.

Preferably, the support frames are welded at two ends of the outer surface of the blast furnace body, the number of the support frames is four, and the four support frames are distributed in a rectangular array relative to the blast furnace body. The blast furnace body is supported and limited by the supporting frame.

Preferably, a connecting pipe is fixedly embedded in the side end face of the liquid inlet pipe, and an atomizing nozzle is mounted on the connecting pipe. The connecting pipe is provided with the atomizing nozzle, so that the water in the liquid inlet pipe sprays the coal gas through the atomizing nozzle.

Preferably, condensation plates are welded at two ends of the inner wall of the first box body, and the coil pipes are installed on the bottom end faces of the condensation plates. The coil pipe is arranged on the bottom end face of the condensation plate, so that personnel can be externally connected with the water pipe to enable the water body to enter the coil pipe to cool the coal gas and condense the water body in the coal gas.

Preferably, a second liquid outlet pipe is embedded and fixed in the bottom end face of the first box body, and a valve is installed on the second liquid outlet pipe. And a valve is arranged on the second liquid outlet pipe, so that the water in the first box body can be discharged when the valve is opened.

Preferably, an air outlet pipe is embedded and fixed at one end of the second box body, which is far away from the limiting pipe. The gas in the second box body can be discharged and recovered through the gas outlet pipe.

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

1. the utility model discloses a set up the blast furnace body, personnel carry out the feed liquor in to the feed liquor pipe by external water pipe when retrieving this internal coal gas of blast furnace, install atomizer through the connecting pipe, make the intraductal water of feed liquor spray coal gas through atomizer, make debris in the coal gas adsorb through the water, the convenience filters coal gas, and the water after filtering filters the granule debris of inside through the filter screen, conveniently discharge and handle waste water, make the practicality higher, personnel's operation is more convenient.

2. The utility model discloses a set up first box, personnel are spraying the processing back to coal gas, personnel external power supply opens the fan, make coal gas get into first box through fixed pipe in, when coal gas gets into first box in, the coil pipe is installed to bottom face through the cold plate, make personnel can external water pipe make the water get into in the coil pipe cool off coal gas, and carry out the condensation to the water in the coal gas, make the practicality higher, can get rid of the moisture in the coal gas fast, and make gas get into the sack cleaner body and remove dust once more, the convenience is retrieved and is utilized coal gas.

Drawings

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

FIG. 2 is a schematic view of the appearance structure of the present invention;

fig. 3 is a schematic rear view of the present invention;

fig. 4 is a schematic view of the first box of the present invention.

In the figure: 1. a first liquid outlet pipe; 2. a blast furnace body; 3. filtering with a screen; 4. a support frame; 5. a connecting pipe; 6. a liquid inlet pipe; 7. an air inlet pipe; 8. an atomizing spray head; 9. a condensing plate; 10. a first case; 11. a coil pipe; 12. a second liquid outlet pipe; 13. a limiting pipe; 14. a second case; 15. a bag-type dust collector body; 16. an air outlet pipe; 17. a fan; 18. and fixing the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may 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 in specific cases to those skilled in the art.

Example one

As shown in fig. 1-4, the utility model provides a furnace top gas recovery dust collecting equipment, including blast furnace body 2, first box 10 and second box 14, the top face embedding of blast furnace body 2 is fixed with intake pipe 7, and filter screen 3 is installed to the inner wall of blast furnace body 2, the bottom face embedding of blast furnace body 2 is fixed with first drain pipe 1, and install the valve on the first drain pipe 1, support frame 4 has all been welded at the surface both ends of blast furnace body 2, support frame 4 is equipped with four altogether, and four support frame 4 are rectangular array to distribute relatively blast furnace body 2, the embedding is fixed with feed liquor pipe 6 in blast furnace body 2, the side end embedding of feed liquor pipe 6 is fixed with connecting pipe 5, and install atomizer 8 on the connecting pipe 5, the rear end face embedding of blast furnace body 2 is fixed with fixed pipe 18, and the one end embedding that fixed pipe 18 deviates from blast furnace body 2 is fixed with first box 10, the one end embedding that first box 10 deviates from fixed pipe 18 is fixed with spacing pipe 13, and install fan 17 in the spacing pipe 13, the one end of spacing pipe 13 deviates from first box of bag dust remover in the second box 14, and install second box in the second box 14.

The working principle of the furnace top gas recovery and dust removal equipment based on the embodiment 1 is as follows: personnel carry out the feed liquor in feed liquor pipe 6 when retrieving the coal gas to blast furnace body 2, personnel's external water pipe, through installing atomizer 8 on connecting pipe 5, make the water in feed liquor pipe 6 spray coal gas through atomizer 8, make debris in the coal gas adsorb through the water, conveniently filter coal gas, and the water after the filtration filters the granule debris of inside through filter screen 3, conveniently discharge and handle waste water.

Example two

As shown in fig. 1-4, the utility model provides a dust collecting equipment is retrieved to furnace top gas compares in embodiment one, and this embodiment still includes: the blast furnace comprises a blast furnace body 2, a first box body 10 and a second box body 14, wherein an air inlet pipe 7 is fixedly embedded in the top end face of the blast furnace body 2, a filter screen 3 is installed on the inner wall of the blast furnace body 2, a liquid inlet pipe 6 is fixedly embedded in the blast furnace body 2, a fixed pipe 18 is fixedly embedded in the rear end face of the blast furnace body 2, a first box body 10 is fixedly embedded in one end, deviating from the blast furnace body 2, of the fixed pipe 18, a second liquid outlet pipe 12 is fixedly embedded in the bottom end face of the first box body 10, a valve is installed on the second liquid outlet pipe 12, condensing plates 9 are welded at two ends of the inner wall of the first box body 10, a coil pipe 11 is installed on the bottom end face of each condensing plate 9, a limiting pipe 13 is fixedly embedded in one end, deviating from the fixed pipe 18, of the first box body 10, a fan 17 is installed in the limiting pipe 13, a second box body 14 is fixedly embedded in one end, a bag-type dust collector body 15 is installed in the second box body 14, one end, deviating from the limiting pipe 13, an air outlet pipe 16 is embedded in the bag-type dust collector, and a bag-type dust collector 15 and a conventional bag-type dust collector can be provided by a person skilled in the field, or a conventional technology that can be repeated and a conventional bag-type dust collector is provided.

In this embodiment, personnel are spraying the processing back to coal gas, personnel external power supply opens fan 17, make coal gas get into first box 10 through fixed pipe 18 in, when coal gas gets into first box 10 in, install coil pipe 11 through the bottom face of cold plate 9, make personnel can external water pipe make the water get into and cool off coal gas in the coil pipe 11, and carry out the condensation to the water in the coal gas, make the practicality higher, can get rid of the moisture in the coal gas fast, and make gas entering sack cleaner body 15 remove dust once more.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a dust collecting equipment is retrieved to furnace top coal gas, includes blast furnace body (2), first box (10) and second box (14), its characterized in that: the embedded air inlet pipe (7) is fixed in the top end face of the blast furnace body (2), the filter screen (3) is installed on the inner wall of the blast furnace body (2), a liquid inlet pipe (6) is fixed in the embedded air inlet pipe (2), a fixed pipe (18) is fixed in the embedded rear end face of the blast furnace body (2), a first box body (10) is fixed in the embedded end of the fixed pipe (18), a limiting pipe (13) is fixed in the embedded end of the first box body (10) deviating from the fixed pipe (18), a fan (17) is installed in the limiting pipe (13), a second box body (14) is fixed in the embedded end of the limiting pipe (13) deviating from the first box body (10), and a bag-type dust collector body (15) is installed in the second box body (14).

2. The top gas recovery dust removal equipment of claim 1, wherein: the bottom end face of the blast furnace body (2) is embedded and fixed with a first liquid outlet pipe (1), and the first liquid outlet pipe (1) is provided with a valve.

3. The top gas recovery dust removal equipment of claim 1, wherein: the supporting frames (4) are welded at the two ends of the outer surface of the blast furnace body (2), the number of the supporting frames (4) is four, and the four supporting frames (4) are distributed in a rectangular array relative to the blast furnace body (2).

4. The top gas recovery dust removal equipment of claim 1, wherein: the side end face of the liquid inlet pipe (6) is fixedly embedded with a connecting pipe (5), and the connecting pipe (5) is provided with an atomizing nozzle (8).

5. The top gas recovery dust removal equipment of claim 1, wherein: the condenser plate (9) is welded at two ends of the inner wall of the first box body (10), and the coil pipe (11) is installed on the bottom end face of the condenser plate (9).

6. The top gas recovery dust removal equipment of claim 1, wherein: a second liquid outlet pipe (12) is embedded and fixed into the bottom end face of the first box body (10), and a valve is installed on the second liquid outlet pipe (12).

7. The top gas recovery dust removal equipment of claim 1, wherein: an air outlet pipe (16) is embedded and fixed at one end of the second box body (14) deviating from the limiting pipe (13).

Images