CN218465857U - Constant temperature cooling system of blast furnace stokehold tapping equipment - Google Patents
Constant temperature cooling system of blast furnace stokehold tapping equipment Download PDFInfo
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- CN218465857U CN218465857U CN202222204790.8U CN202222204790U CN218465857U CN 218465857 U CN218465857 U CN 218465857U CN 202222204790 U CN202222204790 U CN 202222204790U CN 218465857 U CN218465857 U CN 218465857U
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Abstract
The utility model discloses a constant temperature cooling system of blast furnace stokehold tapping equipment relates to blast furnace metallurgical equipment technical field, has solved the technical problem that tapping hole tapping time tapping machine and mud gun were toasted by long-term high temperature among the correlation technique. The constant-temperature cooling system comprises a shell and a drainage tube, wherein a cold air inlet is formed in the shell, a molten iron ditch, a tapping machine and a mud gun are arranged in the shell, the shell is connected with a dust removal fan through a pipeline, one end of the drainage tube is communicated with the cold air inlet through the shell, one end of the drainage tube is communicated with a normal-temperature air space, and the drainage tube drains normal-temperature gas in the normal-temperature air space to the tapping machine and the mud gun under the action of the dust removal fan. The relatively low-temperature air is introduced into the shell by using the dust removal fan of the existing blast furnace system, so that the ambient temperature of the tapping machine and the mud gun is reduced, the tapping machine and the mud gun are cooled by air, the service life of the equipment is prolonged, the maintenance cost and the equipment failure are reduced, and the smooth and stable production of the blast furnace is guaranteed.
Description
Technical Field
The utility model relates to a blast furnace metallurgical equipment technical field especially relates to a constant temperature cooling system of blast furnace stokehold tapping equipment.
Background
Blast furnace equipment is provided with a plurality of tapholes, and each taphole is provided with a hydraulic tapping machine in front of the furnace and a mud gun. The tapping machine was used on average about 12 times a day, and for an average of about 15 minutes each time. The totally enclosed treatment of a blast furnace front casting house can cause the faults that a tapping machine and a mud gun are baked at 1500 ℃ for a long time during casting, oil pipes of equipment are burnt, oil is leaked, and the like.
SUMMERY OF THE UTILITY MODEL
The application provides a constant temperature cooling system of blast furnace stokehold tapping equipment, has solved tapping hole tapping time tapping machine and mud gun by the long-term high temperature baked technical problem among the correlation technique.
The application provides a blast furnace stokehold tapping equipment's constant temperature cooling system, tapping equipment includes the iron runner and is located tapping machine and the mud gun of iron runner both sides respectively, constant temperature cooling system includes shell and drainage tube, the shell is provided with the cold wind import, the iron runner, tapping machine and mud gun set up in the shell, the shell passes through the pipeline and is connected with dust exhausting fan, the one end and the shell of drainage tube communicate in cold wind import department, the one end of drainage tube switches on to normal atmospheric temperature air space, the drainage tube is in order to be under dust exhausting fan's effect with the normal atmospheric temperature gas drainage in the normal atmospheric temperature air space to tapping machine and mud gun department.
Optionally, the normal atmospheric temperature air space includes furnace shaft wet return water catch bowl, and the one end of drainage tube switches on to the liquid level top of furnace shaft wet return water catch bowl.
Optionally, the cold air inlet comprises a first cold air inlet and a second cold air inlet which are respectively arranged at two sides of the shell, and the drainage tube comprises a first drainage tube and a second drainage tube;
one end of the first drainage tube is communicated with the shell at a first cold air inlet, and the other end of the first drainage tube is communicated to the normal-temperature air space so as to guide the normal-temperature air in the normal-temperature air space to the tapping machine under the action of the dust removal fan;
one end of the second drainage tube is communicated with the shell at the second cold air inlet, and the other end of the second drainage tube is communicated with the normal-temperature air space so as to drain the normal-temperature air in the normal-temperature air space to the mud gun under the action of the dust removal fan.
Optionally, one end of the molten iron runner is connected with the iron outlet;
the constant-temperature cooling system also comprises a left side air suction opening and a right side air suction opening, the left side air suction opening and the right side air suction opening are respectively arranged at two sides of the molten iron runner, and the left side air suction opening and the right side air suction opening face to the part close to the iron outlet in the molten iron runner;
the left side inlet scoop is the mouth of pipe setting of left side aspiration channel, and the right side inlet scoop is the mouth of pipe setting of right side aspiration channel, and left side aspiration channel and right side aspiration channel all are connected with dust exhausting fan.
Optionally, the constant temperature cooling system still includes thermal-insulated guard plate, and thermal-insulated guard plate sets up in the both sides of molten iron ditch, and the thermal-insulated guard plate that sets up in the molten iron ditch both sides is close to left side inlet scoop and right side inlet scoop setting respectively.
Optionally, the top of the shell is provided with an upper air suction opening, and the upper air suction opening faces the opening machine and the clay gun;
the upper air suction opening is communicated with a dust removal fan through a pipeline.
Optionally, the top of the shell is also provided with an iron runner air suction opening, and the iron runner air suction opening is far away from the tapping machine and the mud gun in the length direction of the iron runner;
the air suction opening of the molten iron ditch is communicated with a dust removal fan through a pipeline.
Optionally, the tapping machine comprises a tapping machine drilling mechanism and a tapping machine turning mechanism connected to the tapping machine drilling mechanism, and both the tapping machine drilling mechanism and the tapping machine turning mechanism are disposed in the housing.
Optionally, the mud gun comprises a mud gun mud beating mechanism and a mud gun slewing mechanism connected with the mud gun mud beating mechanism, and the mud gun mud beating mechanism and the mud gun slewing mechanism are both arranged in the shell.
Optionally, the water mist providing constant temperature of 28 ℃ in winter and 31 ℃ in summer is included above the liquid level of the furnace body return water collection tank.
The beneficial effects of this application are as follows: the application provides a blast furnace stokehold tapping equipment's constant temperature cooling system, through set up the cold wind import at the shell, the cold wind import switches on through drainage tube and normal atmospheric temperature air space, normal atmospheric temperature gas drainage to the shell in with normal atmospheric temperature air space under dust exhausting fan's effect department with the tapping machine and the mud gun department, compare in the internal high temperature spatial state when tapping of shell, the dust exhausting fan that will utilize current blast furnace system to the air relatively microthermal introduces in the shell, reduce the environmental temperature of locating of tapping machine and mud gun, the realization carries out air cooling to tapping machine and mud gun equipment, equipment service life has been prolonged, maintenance cost and equipment trouble have been reduced, guarantee the steady production in the same direction as of blast furnace.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a top view of a thermostatic cooling system of a blast furnace front tapping apparatus provided herein;
FIG. 2 is a left side view of the structure shown in FIG. 1;
fig. 3 is a right side view of the structure shown in fig. 1.
The attached drawings are marked as follows: 1-a taphole, 2-a molten iron ditch, 3-a left side air suction inlet, 4-a mud gun rotating mechanism, 5-a mud gun mud beating mechanism, 6-a tapping machine drilling mechanism, 7-a tapping machine rotating mechanism, 8-a right side air suction inlet, 9-a first cold air inlet, 10-a second cold air inlet, 11-a blast furnace body, 12-a heat insulation protection plate, 13-an upper side air suction inlet and 14-a molten iron ditch air suction inlet.
Detailed Description
The embodiment of the application provides a constant temperature cooling system of blast furnace stokehold tapping equipment, has solved tapping hole tapping time tapping machine and mud gun by the long-term high temperature baking's among the correlation technique technical problem.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
the utility model provides a blast furnace stokehold tapping equipment's constant temperature cooling system, tapping equipment includes the iron runner and is located tapping machine and the mud gun of iron runner both sides respectively, constant temperature cooling system includes shell and drainage tube, the shell is provided with the cold wind import, the iron runner, tapping machine and mud gun set up in the shell, the shell passes through the pipeline and is connected with dust exhausting fan, the one end and the shell of drainage tube communicate in cold wind import department, the one end of drainage tube switches on to normal atmospheric temperature air space, the drainage tube is with the normal atmospheric temperature gas drainage in with normal atmospheric temperature air space to tapping machine and mud gun department under dust exhausting fan's effect.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 3, the present embodiment provides a constant temperature cooling system for a blast furnace front tapping device, which includes a molten iron runner 2, and a tapping machine and a mud gun respectively located at two sides of the molten iron runner 2. The constant-temperature cooling system specifically comprises a shell and a drainage tube, wherein the shell is provided with a cold air inlet, and the molten iron runner 2, the tapping machine and the mud gun are positioned in the shell. The left-hand arc line in fig. 1 graphically represents a shaft of a blast furnace, as shown in fig. 1, the shell is adjacent to or connected with the blast furnace during tapping, and similarly, a blast furnace body 11 is shown in fig. 2 and 3. The shell passes through the pipeline and is connected with dust exhausting fan (not shown in the figure), and the one end and the shell of drainage tube communicate in cold wind import department, and the one end of drainage tube switches on to normal atmospheric temperature air space, and the drainage tube is in order to be under dust exhausting fan's effect with the normal atmospheric temperature gas drainage in the normal atmospheric temperature air space to tapping machine and mud gun department.
Compared with the high-temperature space state in the shell during tapping, relatively low-temperature air is introduced into the shell by using the dust removal fan of the existing blast furnace system, the ambient temperature of the tapping machine and the mud gun is reduced, air cooling is performed on the tapping machine and the mud gun, the service life of equipment is prolonged, the maintenance cost and equipment faults are reduced, and smooth and stable production of the blast furnace is guaranteed.
Above-mentioned normal atmospheric temperature air space aims at providing the normal atmospheric temperature air, can be the air space that does not receive blast furnace high temperature to influence, relates to the blast furnace in the blast furnace casting in this embodiment, and the preferred furnace shaft wet return water header of normal atmospheric temperature air space, and furnace shaft wet return water header gathers the section for converging of blast furnace wet return, and the one end of drainage tube switches on to the liquid level top of furnace shaft wet return water header.
In practical application, the water mist with the constant temperature of about 28 ℃ is provided above the liquid level of the water collecting tank of the furnace body water return pipe in winter, and the water mist with the constant temperature of about 31 ℃ is provided in summer.
Optionally, referring to fig. 1 and fig. 2, the tapping machine includes a tapping machine drilling mechanism 6 and a tapping machine turning mechanism 7 connected to the tapping machine drilling mechanism 6, and both the tapping machine drilling mechanism 6 and the tapping machine turning mechanism 7 are disposed in the housing.
Optionally, referring to fig. 1 and fig. 3, the mud gun comprises a mud gun mud striking mechanism 5 and a mud gun slewing mechanism 4 connected with the mud gun mud striking mechanism 5, and both the mud gun mud striking mechanism 5 and the mud gun slewing mechanism 4 are arranged in the housing.
Regarding the scheme that the tapping machine and the mud gun are respectively located at two sides of the molten iron runner 2, cold air inlets can be selectively arranged aiming at the tapping machine and the mud gun, specifically, referring to fig. 1, each cold air inlet comprises a first cold air inlet 9 and a second cold air inlet 10 which are respectively arranged at two sides of the shell, and each drainage pipe comprises a first drainage pipe and a second drainage pipe. One end of the first drainage tube is communicated with the shell at the first cold air inlet 9, and the other end of the first drainage tube is communicated with the normal-temperature air space so as to drain the normal-temperature air in the normal-temperature air space to the tapping machine under the action of the dust removal fan. One end of the second drainage tube is communicated with the shell at the second cold air inlet 10, and the other end of the second drainage tube is communicated to the normal-temperature air space so as to guide the normal-temperature air in the normal-temperature air space to the mud gun under the action of the dust removal fan.
In the embodiment of preferred, inject on the normal atmospheric temperature gas that gets into the shell through first drainage tube under dust exhausting fan's effect can directly blow the tapping machine, inject on the normal atmospheric temperature gas that gets into the shell through the second drainage tube under dust exhausting fan's effect can directly blow the mud gun.
The constant temperature cooling system of this embodiment can also increase the dust removal function of induced drafting.
Optionally, referring to fig. 1 to 3, a left air suction opening 3 and a right air suction opening 8 are added, and the left air suction opening 3 and the right air suction opening 8 are respectively disposed on two sides of the molten iron runner 2. 2 one end of iron runner is connected with taphole 1, and iron runner 2 includes the part similar with taphole 1, and left side inlet scoop 3 and right side inlet scoop 8 all set up towards this part to carry out key dust removal processing to the region that iron runner 2 is similar with taphole 1. In order to achieve the dust removal and air suction function, the existing dust removal fan of the blast furnace tapping system is still utilized, the left side air suction opening 3 and the right side air suction opening 8 are communicated with the dust removal fan, specifically, the left side air suction opening 3 is the pipe opening setting of the left side air suction pipe (not marked in the figure), the right side air suction opening 8 is the pipe opening setting of the right side air suction pipe (not marked in the figure), and the left side air suction pipe and the right side air suction pipe are both connected with the dust removal fan.
Optionally, referring to fig. 2 and 3, the top of the housing is provided with an upper air suction opening 13, the upper air suction opening 13 is arranged facing the opening machine and the clay gun, the upper air suction opening 13 is communicated with the dust removal fan through a pipeline, and the area where the opening machine and the clay gun are located in the housing is subjected to intensive air suction and dust removal treatment.
Optionally, referring to fig. 2 and 3, the top of the housing is further provided with an iron runner air suction opening 14, the iron runner air suction opening 14 is far away from the tapping machine and the mud gun in the length direction of the iron runner 2, and the iron runner air suction opening 14 is communicated with the dust removal fan through a pipeline. The molten iron channel inlet 14 is opposite to the upper inlet 13, and the molten iron channel inlet 14 is used for performing air suction and dust removal treatment on other areas of the molten iron channel 2.
Optionally, referring to fig. 1 to 3, the constant temperature cooling system further includes thermal insulation protection plates 12, the thermal insulation protection plates 12 are disposed on two sides of the molten iron runner 2, and the thermal insulation protection plates 12 disposed on two sides of the molten iron runner 2 are respectively disposed near the left side air suction opening 3 and the right side air suction opening 8. The purpose of the heat insulation protection plate 12 is to improve the direct splashing of molten iron on the tapping machine and the mud gun and also to insulate the tapping machine and the mud gun from radiant heat.
The constant-temperature cooling system of the blast furnace stokehole tapping equipment provided by the embodiment can be applied to various domestic stokehole full-hydraulic tapping equipment and has the advantage of wide application range.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a blast furnace stokehold tapping equipment's constant temperature cooling system which characterized in that, tapping equipment includes the iron runner and is located tapping machine and the mud big gun of iron runner both sides respectively, constant temperature cooling system includes:
the shell is provided with a cold air inlet, the molten iron runner, the tapping machine and the mud gun are arranged in the shell, and the shell is connected with a dust removal fan through a pipeline; and
and one end of the drainage tube is communicated with the shell at the cold air inlet, and the other end of the drainage tube is communicated with a normal-temperature air space so as to guide normal-temperature gas in the normal-temperature air space to the tapping machine and the mud gun under the action of the dust removal fan.
2. The constant-temperature cooling system according to claim 1, wherein the room-temperature air space comprises a furnace-body water return pipe water collection tank, and one end of the drainage pipe is communicated to a position above a liquid level of the furnace-body water return pipe water collection tank.
3. The constant-temperature cooling system according to claim 1 or 2, wherein the cold air inlet comprises a first cold air inlet and a second cold air inlet respectively provided at both sides of the housing, and the draft tube comprises a first draft tube and a second draft tube;
one end of the first drainage tube is communicated with the shell at the first cold air inlet, and the other end of the first drainage tube is communicated to the normal-temperature air space, so that normal-temperature gas in the normal-temperature air space is drained to the tapping machine under the action of the dust removal fan;
one end of the second drainage tube is communicated with the shell at the second cold air inlet, and the other end of the second drainage tube is communicated to the normal-temperature air space, so that normal-temperature gas in the normal-temperature air space is drained to the mud gun under the action of the dust removal fan.
4. The isothermal cooling system of claim 1, wherein one end of the molten iron runner is connected with a taphole;
the constant-temperature cooling system further comprises a left side air suction opening and a right side air suction opening, the left side air suction opening and the right side air suction opening are respectively arranged on two sides of the molten iron runner, and the left side air suction opening and the right side air suction opening face to the part, close to the tapping hole, in the molten iron runner;
the left side inlet scoop is the mouth of pipe setting of left side aspiration channel, the right side inlet scoop is the mouth of pipe setting of right side aspiration channel, the left side aspiration channel with the right side aspiration channel all with dust exhausting fan connects.
5. The constant-temperature cooling system according to claim 4, further comprising heat-insulation protection plates, wherein the heat-insulation protection plates are arranged on two sides of the molten iron ditch, and the heat-insulation protection plates arranged on the two sides of the molten iron ditch are respectively arranged close to the left side air suction opening and the right side air suction opening.
6. The thermostatic cooling system of claim 1, wherein the housing is provided with an upper air suction opening at the top, the upper air suction opening being arranged towards the tapping machine and the mud gun;
the upper air suction opening is communicated with the dust removal fan through a pipeline.
7. The constant-temperature cooling system according to claim 6, wherein the shell is further provided with a molten iron channel air suction opening at the top, and the molten iron channel air suction opening is far away from the tapping machine and the mud cannon in the length direction of the molten iron channel;
and the air suction opening of the molten iron channel is communicated with the dust removal fan through a pipeline.
8. The thermostatic cooling system of claim 1, wherein the tapping machine includes a tapping machine drilling mechanism and a tapping machine swivel mechanism coupled to the tapping machine drilling mechanism, the tapping machine drilling mechanism and the tapping machine swivel mechanism both disposed within the housing.
9. The thermostatic cooling system of claim 1, wherein the mud gun comprises a mud gun mud striking mechanism and a mud gun slewing mechanism connected to the mud gun mud striking mechanism, the mud gun mud striking mechanism and the mud gun slewing mechanism both disposed within the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222204790.8U CN218465857U (en) | 2022-08-22 | 2022-08-22 | Constant temperature cooling system of blast furnace stokehold tapping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222204790.8U CN218465857U (en) | 2022-08-22 | 2022-08-22 | Constant temperature cooling system of blast furnace stokehold tapping equipment |
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| Publication Number | Publication Date |
|---|---|
| CN218465857U true CN218465857U (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222204790.8U Active CN218465857U (en) | 2022-08-22 | 2022-08-22 | Constant temperature cooling system of blast furnace stokehold tapping equipment |
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| CN (1) | CN218465857U (en) |
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- 2022-08-22 CN CN202222204790.8U patent/CN218465857U/en active Active
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