CN112725560A - Cooling liquid distribution type scrap steel batching port and manufacturing method thereof - Google Patents
Cooling liquid distribution type scrap steel batching port and manufacturing method thereof Download PDFInfo
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- CN112725560A CN112725560A CN202110101044.3A CN202110101044A CN112725560A CN 112725560 A CN112725560 A CN 112725560A CN 202110101044 A CN202110101044 A CN 202110101044A CN 112725560 A CN112725560 A CN 112725560A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/466—Charging device for converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/02—Casting in, on, or around objects which form part of the product for making reinforced articles
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4646—Cooling arrangements
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Abstract
The invention discloses a cooling liquid distribution type scrap steel batching port, belonging to the field of metallurgical equipment. The invention also discloses a manufacturing method of the cooling liquid distribution type scrap steel burdening port, which comprises the steps of taking the temperature-resistant layer and the cooling circulation layer, connecting and sealing the end part between the temperature-resistant layer and the cooling circulation layer through the lower sealing plate, connecting and sealing the end part of the cooling circulation layer through the upper sealing plate to form a cavity, arranging a cooling circulation channel in the cooling circulation layer, and pouring an impact-resistant layer material between the temperature-resistant layer and the low-temperature cooling layer to form a cylinder wall. The circulating cooling channel is arranged to cool the dosing port cylinder, so that the thermal stress of the cylinder is reduced, the thermal conductivity is reduced through the multi-layer structure, the service life of the cylinder is prolonged, the materials are simple and easy to obtain, the cost is low, the production efficiency is improved, and the circulating cooling channel is suitable for adding all hard materials.
Description
Technical Field
The invention belongs to the field of metallurgical equipment, relates to metallurgical equipment and a manufacturing method thereof, and particularly relates to a cooling liquid distribution type scrap steel batching port and a manufacturing method thereof.
Background
The converter steelmaking uses molten iron, scrap steel and ferroalloy as main raw materials, does not need external energy, and completes the steelmaking process in the converter by means of heat generated by physical heat of molten iron and chemical reaction among molten iron components. At present, in order to reduce the consumption of molten iron and reduce the cost, the iron works can increase the proportion of scrap steel.
For more efficient addition of scrap, in the related art, scrap is added from a batching port at the vaporization cooling flue of the converter. The batching mouth is the tubulose opening of intercommunication setting on vaporization cooling flue, and reinforced convenient and fast. However, as the cyclic high-temperature flue gas and dust scouring exist in the vaporization cooling flue, the working condition is severe, and the hardness of the scrap steel is higher, so that the scrap steel collides the inner wall of the proportioning port when passing through the proportioning port, the requirements on fatigue resistance, wear resistance and impact resistance of the proportioning port in production are higher, and the proportioning port in the related technology is difficult to meet the higher requirements, so that the service life is generally shorter.
In order to solve the problem, a batching mouth has appeared, buries condenser tube underground in the inner wall of batching mouth and cools down the batching mouth to set up wear resistant strip and strengthen the anti wear resistance and the shock resistance of batching mouth at batching mouthful inner wall. However, the above-mentioned material-mixing opening is formed by integral casting, and its performance is still relatively poor in every aspect, and its service life is still short.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a cooling liquid distribution type scrap steel batching port and a manufacturing method thereof so as to achieve the purposes of enhancing the strength of the batching port and prolonging the service life of the batching port.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a coolant liquid distribution type steel scrap batching mouth, includes the barrel, the barrel is the tubular structure, cooling circulation passageway has been buried underground in the barrel wall, the barrel wall includes temperature-resistant layer, the shock-resistant layer that sets gradually from inside to outside, low temperature cooling layer and the cooling circulation layer of constituteing by cooling circulation passageway, the shock-resistant layer is close to gasification cooling flue one end and is provided with the lower shrouding that is used for the corresponding tip seal with shock-resistant layer, cooling circulation layer is kept away from gasification cooling flue one end and is provided with the last shrouding that is used for the corresponding tip seal on cooling circulation layer, water inlet and delivery port have been seted up on the cooling circulation passageway.
As a limitation of the present invention: the temperature-resistant layer, the low-temperature cooling layer, the upper sealing plate and the lower sealing plate are all made of steel plates, and the impact-resistant layer is made of cast steel.
As a limitation of the present invention: the water inlet intercommunication is provided with the inlet tube, the delivery port intercommunication is provided with the outlet pipe, inlet tube and outlet pipe run through the barrel outer wall to the direction in the barrel outside extends.
As a further limitation of the invention: the cooling circulation layer is close to gasification cooling flue one side and is enclosed by the arc steel sheet, the inside and outside both sides on cooling circulation layer are enclosed by low temperature cooling layer and barrel outer wall, the barrel outer wall is made by the steel sheet, is provided with the first baffle that is used for forming cooling circulation passageway between low temperature cooling layer and barrel outer wall.
As a further limitation of the invention: and a cylinder ring plate used for being connected with the quick connecting device is arranged at the end part of the cylinder far away from the vaporization cooling flue.
As still further limiting the invention: first baffle sets up in the cooling circulation layer along barrel width direction, separates the cooling circulation passageway and becomes the distribution passageway of keeping away from gasification cooling flue one side and the circulation channel that is close to gasification cooling flue one side, be provided with the circulating pipe of a plurality of along the barrel direction on the first baffle, circulating pipe one end and distribution passageway intercommunication, the other end lead to circulation channel and are close to gasification cooling flue one side, water inlet and delivery port are all seted up in on the distribution passageway, the both sides of delivery port all are provided with and are used for the second baffle with delivery port and distribution channel interrupt, set up the return water mouth that is used for making the coolant liquid to flow to the delivery port on the first baffle between two second baffles.
As a further limitation of the invention: the first partition plate and the second partition plate are both made of steel plates.
The invention also discloses a manufacturing method of the cooling liquid distribution type scrap steel batching port, which is used for manufacturing the cooling liquid distribution type scrap steel batching port: comprises the following steps which are carried out in sequence:
manufacturing a cavity: the method comprises the following steps of taking a temperature-resistant layer and a cooling circulation layer formed by surrounding the low-temperature cooling layer and the outer wall of a cylinder body, sleeving the temperature-resistant layer and the cooling circulation layer in sequence from inside to outside, connecting and sealing the end part, close to an evaporation cooling flue, between the temperature-resistant layer and the cooling circulation layer through a lower sealing plate, and connecting and sealing the end part, far away from the evaporation cooling flue, of the cooling circulation layer through an upper sealing plate to form a cavity, wherein a cooling circulation channel is arranged in the cooling circulation layer;
pouring an impact-resistant layer: pouring an impact-resistant layer material between the temperature-resistant layer and the low-temperature cooling layer, and cooling to form a cylinder wall which is provided with the temperature-resistant layer, the impact-resistant layer, the low-temperature cooling layer and the cooling circulation layer in sequence from inside to outside;
setting a water inlet and a water outlet: the cooling circulation channel is provided with a water inlet and a water outlet.
As a limitation of the present invention: in the step of manufacturing the cavity, the step of enclosing the low-temperature cooling layer and the outer wall of the cylinder body into a cooling circulation layer comprises the following steps:
s1: a first partition plate and a second partition plate are arranged on the outer wall of the low-temperature cooling layer or the inner wall of the outer wall of the cylinder;
s2: a circulating pipe is arranged on the first partition plate and forms a water return port;
s3: according to the step S1, the other ends of the first partition board and the second partition board are fixedly arranged at corresponding positions on the outer wall of the low-temperature cooling layer or the inner wall of the outer wall of the cylinder body;
s4: the low-temperature cooling layer and one end of the outer wall of the cylinder body close to the gasification cooling flue are connected and sealed through an arc-shaped steel plate.
As a limitation of the present invention: after the water inlet and the water outlet are arranged, a water inlet pipe is arranged on the water inlet, a water outlet pipe is arranged on the water outlet, and a cylinder ring plate is arranged at the end part of the cylinder far away from the vaporization cooling flue.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) the barrel body of the proportioning port is provided with the cooling circulation layer consisting of the cooling circulation channel, the barrel body of the proportioning port can be cooled, the thermal stress of the barrel body is reduced, and the service life of the barrel body is prolonged, in addition, the barrel body wall comprises the temperature-resistant layer, the impact-resistant layer, the low-temperature cooling layer and the cooling circulation layer which are sequentially arranged from inside to outside, the unstable connection is formed among the temperature-resistant layer, the impact-resistant layer and the low-temperature cooling layer through a multi-layer structure, in the using process, the temperature of the temperature-resistant layer is the highest, the impact-resistant layer is the lowest, the temperature of each low-temperature cooling layer is different, the higher the temperature is, the larger the expansion amount is, therefore, the whole layered structure can be more and more compact in the using process, even if a tiny gap is generated between the temperature-resistant layer and the impact-resistant layer due to expansion, the, the strength of the impact-resistant layer is enhanced, and the impact-resistant layer plays a positive role in prolonging the service life of the cylinder body;
(2) the temperature-resistant layer and the low-temperature cooling layer are steel plates, the impact-resistant layer is cast steel, waste steel is in contact with the temperature-resistant layer after falling into the cylinder, the temperature-resistant layer is poor in wear resistance and impact resistance, the surface temperature is high, the abrasion is severe, when a gap or a broken hole is formed due to abrasion, the impact-resistant layer is exposed, the strength and hardness of the impact-resistant layer are high, the thermophysical property is good, the impact-resistant layer is not easily damaged by the falling waste steel, the temperature is low due to the fact that the impact-resistant layer is close to a cooling circulation channel, the abrasion resistance and the impact resistance of the impact-resistant layer are kept, the layered structure enables the layers to lose effectiveness layer by layer, the service life of the cylinder is further prolonged, the failure rate of a batching port is effectively reduced, and the service life is greatly prolonged compared with a cylinder formed by simple integral;
(3) the cooling circulation channel comprises a distribution channel and a circulation channel, wherein the distribution channel distributes the entering cooling liquid to each circulation pipe, the circulation pipes are utilized to enable the cooling liquid to flow to one side close to the gasification cooling flue, and the cooling liquid flows to the water return port after fully flowing in the cooling circulation layer and then flows out of the cooling circulation channel, so that the cooling is full, and the effect is better;
(4) the inner side and the outer side of the cooling circulation layer are surrounded by the low-temperature cooling layer and the outer wall of the cylinder body, and the distance between the side wall of the cooling circulation layer facing the temperature-resistant layer and the temperature-resistant layer is consistent, so that the cooling effect of the temperature-resistant layer is more uniform, the phenomenon that the thickness of the cooling thickness of a heating surface is different, and the thermal stress and the thermal deformation of the heating surface are complex and various, so that the service life is influenced, is avoided;
the low-temperature cooling layer and the outer wall of the cylinder body are fully utilized, so that the cost is low; in addition, the low-temperature cooling layer, the outer wall of the cylinder body, the first partition plate and the second partition plate are all made of steel plates, the materials are simple and easy to obtain, and the cost is further controlled;
(5) according to the invention, the distribution channel is formed in the cooling circulation layer, and the water inlet and the water outlet are directly formed in the distribution channel, and in the prior art, a plurality of cooling water pipes are connected with the annular structure collecting pipe through the annular structure distribution pipe extending out of the cylinder body, so that compared with the prior art, the cooling circulation channel has a simpler structure and reduces the cost on the premise of ensuring the cooling effect;
(6) the water inlet and the water outlet are provided with the water inlet pipe and the water outlet pipe, so that the cooling water tank is easy to connect with cooling liquid and convenient to use;
(7) when the material preparing port is manufactured, the cavity is formed first and then the impact-resistant layer material is poured into the cavity, so that a layered structure can be formed, the design and manufacturing cost of a mold can be saved, the production cost is reduced, and the production efficiency is improved.
In conclusion, the circulating cooling channel is arranged to cool the barrel at the dosing port, so that the thermal stress of the barrel is reduced, the thermal conductivity is reduced through the multi-layer structure, the service life of the barrel is prolonged, the materials are simple and easy to obtain, the cost is low, the production efficiency is improved, and the circulating cooling channel is suitable for adding all hard materials.
Drawings
The invention is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the cylinder in the embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view showing a tiling structure of cooling circulation passages according to an embodiment of the present invention;
FIG. 5 is a schematic view of the connection between the cylinder ring plate and the quick-connect device according to the embodiment of the present invention;
fig. 6 is a schematic structural view of a ferrule in an embodiment of the present invention.
In the figure: 1-cylinder, 2-temperature-resistant layer, 3-impact-resistant layer, 4-low-temperature cooling layer, 5-lower sealing plate, 6-cooling circulation channel, 61-circulation channel, 62-distribution channel, 7-water inlet, 8-water outlet, 9-water inlet pipe, 10-water outlet pipe, 11-cylinder annular plate, 12-connecting device annular plate, 13-ferrule, 14-sealing layer, 15-cylinder outer wall, 16-upper sealing plate, 17-first partition plate, 18-second partition plate, 19-circulation pipe and 20-water return port.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the coolant distribution type scrap dispenser and the method of making the same described herein are preferred embodiments, are only for purposes of illustration and explanation, and are not to be construed as limiting the invention.
The terms "upper", "lower", "left", "right" and the like of the present invention are used in the positional relationship of fig. 1 and 2 based on the drawings of the present specification, and are only for convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that a device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus should not be construed as limiting the contents of the present invention.
EXAMPLE 1 Coolant distribution type scrap Steel dosing Port
In the present embodiment, as shown in fig. 1 to 6, a coolant distribution type scrap blending port comprises a cylinder 1, wherein the cylinder 1 is a hollow cylindrical structure with an upper opening and a lower opening, which is obliquely and fixedly arranged on a vaporization cooling flue of a converter. In the embodiment, the cylinder 1 has a circular cross section, and the cylinder 1 is disposed on the side wall of the evaporative cooling flue and is communicated with the evaporative cooling flue. As the barrel body 1 is a channel for entering the converter by the scrap steel, the barrel body 1 has higher requirements on wear resistance and impact resistance.
Because barrel 1 is hollow structure, therefore barrel 1 has the barrel wall, in order to improve barrel 1's wear-resisting and shock resistance, sets up the barrel wall into multilayer structure: as shown in fig. 2, the cylinder wall comprises a temperature-resistant layer 2, an impact-resistant layer 3, a low-temperature cooling layer 4 and a cooling circulation layer composed of cooling circulation channels 6 which are arranged in sequence from inside to outside. Temperature-resistant layer 2 is round tubular structure, and low temperature cooling layer 4 is greater than the round tubular structure on temperature-resistant layer 2 for the diameter, and the barrel has the diameter and is greater than barrel outer wall 15 on low temperature cooling layer 4, forms the cooling cycle layer between barrel outer wall 15 and the low temperature cooling layer 4, and low temperature cooling layer 4 covers in temperature-resistant layer 2's the outside, and barrel outer wall 15 covers in low temperature cooling layer 4's the outside.
Because the inside and outside both sides on cooling circulation layer are enclosed by low temperature cooling layer 4 and barrel outer wall 15 to cooling circulation layer is close to gasification cooling flue one side and is enclosed by the arc steel sheet, consequently, 3 layers of resistant impact are close to gasification cooling flue one end and are provided with and are used for the lower shrouding 5 with the corresponding end seal of resistant impact layer 3, cooling circulation layer is kept away from gasification cooling flue one end and is provided with and is used for the last shrouding 16 with the corresponding end seal of cooling circulation layer, make temperature resistant layer 2, low temperature cooling layer 4, barrel outer wall 15 form the lower extreme and seal, the upper end part confined cavity.
The temperature-resistant layer 2, the low-temperature cooling layer 4, the upper sealing plate 16 and the lower sealing plate 5 are all made of steel plates, namely, the cavity is made of steel plates, and the impact-resistant layer 3 is cast steel formed by pouring molten steel. The temperature-resistant layer 2, the impact-resistant layer 3 and the low-temperature cooling layer 4 form a multi-layer structure with steel plates on the outside and cast steel on the inside. In order to further improve the performance of the impact-resistant layer 3, the impact-resistant layer 3 may be made of wear-resistant alloy steel. Utilize the composition difference of steel sheet and pouring material, make the material of barrel 1 form the layering, form unstable connection between the layer, take place stress deformation after being heated for appear small space between the layer, thereby reduce the heat conductivity between the layer, be favorable to the cooling of barrel 1. And, at first with the scrap steel contact be temperature-resistant layer 2, because temperature-resistant layer 2 wear-resisting and shock resistance can be relatively poor, surface temperature is higher, therefore wearing and tearing are the most serious, and some serious department of wearing and tearing can appear brokenly and breach to expose the impact-resistant layer 3 of nexine, impact-resistant layer 3's intensity and hardness are all higher, and near apart from the cooling cycle layer distance, the temperature is lower, and thermophysical also is better, is difficult for being damaged by the scrap steel blanking, can prolong the life of batching mouth. And, because there is still the clearance between the layer of nai warm layer 2 and the layer of nai impact 3 of remaining, still can obstruct certain heat transfer.
In order to further prolong the service life of the cylinder 1, the inner side and the outer side of the cooling circulation layer are enclosed by the low-temperature cooling layer 4 and the cylinder outer wall 15, the cylinder outer wall 15 is made of steel plates, a first partition plate 17 for forming the cooling circulation channel 6 is arranged between the low-temperature cooling layer 4 and the cylinder outer wall 15, and the first partition plate 17 is made of steel plates.
Further, as shown in fig. 3 and 4 (the direction of the arrow in fig. 4 is the flow direction of the coolant), in order to make the circulation of the coolant more sufficient, the first partition 17 is provided in the cooling circulation layer along the width direction of the cylinder 1, the cooling circulation passage 6 is partitioned into a distribution passage 62 on the side away from the gasification cooling flue and a circulation passage 61 on the side close to the gasification cooling flue, and 15 circulation pipes 19 are provided in the cylinder direction on the first partition 17. One end of the circulating pipe 19 is communicated with the distribution channel 62, and the other end of the circulating pipe is communicated with one side of the circulating channel 61 close to the gasification cooling flue, and is used for guiding the cooling liquid from the distribution channel to one side of the circulating channel 61 close to the gasification cooling flue, so that the cooling liquid can be fully circulated, and the diameter, the length and the number of the circulating pipe 19 can be adjusted according to actual needs. The water inlet 7 and the water outlet 8 are both arranged on the distribution channel 62, the two sides of the water outlet 8 are both provided with second partition plates 18 for interrupting the water outlet 8 and the distribution channel 62, the second partition plates 18 are made of steel plates, and the first partition plate 17 between the two second partition plates 18 is provided with a water return port 20 for enabling the coolant to flow to the water outlet 8. The cooling liquid enters the distribution channel 62 from the water inlet 7, flows into the circulating pipe 19 from the distribution channel 62, reaches the side of the circulating channel 61 close to the gasification cooling flue, and finally flows to the water outlet 8 from the water return port 20. Of course, the first partition 17 may also be disposed along the height direction of the cylinder 1 to divide the cooling circulation layer into an S-shaped pipeline, and the cooling circulation channel 6 is provided with a water inlet 7 and a water outlet 8.
Since the cooling circulation passage 6 is formed by enclosing the first partition 17 between the low-temperature cooling layer 4 and the outer wall 15 of the drum, the water inlet 7 and the water outlet 8 in this embodiment are provided on the outer wall 15 of the drum. The water inlet 7 is communicated with a water inlet pipe 9, the water outlet 8 is communicated with a water outlet pipe 10, and the water inlet pipe 9 and the water outlet pipe 10 penetrate through the outer wall 15 of the barrel body and extend towards the direction of the outer side of the barrel body 1. The arrangement of the water inlet pipe 9 and the water outlet pipe 10 enables cooling liquid to easily enter the cooling circulation channel 6, and the use is convenient. And, compare with prior art, many condenser tubes are through stretching out the structure that the annular structure distributing pipe of batching mouth links to each other with annular structure collection pipe, under the prerequisite of guaranteeing the cooling effect, the structure is simpler.
In order to connect the cylinder 1 to the quick-connect device, a cylinder ring plate 11 is provided at the end of the cylinder 1 remote from the evaporative cooling flue. In the present embodiment, the cylinder ring plate 11 is formed of a steel plate that is provided integrally with the upper sealing plate 16 and extends outward of the cylinder 1, that is, the cylinder ring plate 11 and the upper sealing plate 16 are integrally formed. Of course, the cylinder ring plate 11 may be an annular plate welded to the upper closure plate 16 and extending radially outward from the cylinder 1. Fig. 5 is a schematic diagram showing the connection between the cylinder ring plate 11 and the quick connection device, wherein a connection device ring plate 12 (only the connection device ring plate 12 is shown in the figure, and the quick connection device is not shown in the figure in order to make the structure of the connection part clearer) is arranged at one end of the quick connection device facing the cylinder 1, and a collar 13 is sleeved outside the cylinder ring plate 11 and the connection device ring plate 12. The ferrule 13 is a circular ring matched with the cylinder annular plate 11 and the connecting device annular plate 12, the section of the ferrule is of a C-shaped structure wrapping the cylinder annular plate 11 and the connecting device annular plate 12, and a sealing layer 14 is arranged on the inner side of the C-shaped structure. As shown in fig. 6, the ferrule 13 includes two semicircular half-turns, and the two half-turns are connected by bolts and nuts.
When connecting coolant liquid distribution type scrap steel batching mouth and quick connecting device, with barrel crown plate 11 and connecting device crown plate 12 butt joint, make the two laminating, hoop two semicircles in the laminating department of barrel crown plate 11 and connecting device crown plate 12, this moment "C" font structure with barrel crown plate 11 and connecting device crown plate 12 parcel, "sealing layer 14 is sealed with the two junction, fasten two semicircles through the bolt and nut structure, realize barrel 1 and quick connecting device's being connected. In order to improve the sealing effect, a sealing layer 14 may be provided on the contact surface between the cylinder ring plate 11 and the coupling ring plate 12. Above-mentioned connected mode compares with among the prior art through setting up the flange on the barrel, and the structure is simpler, connects more fast, convenient.
When the cooling device is used, the pipeline for outputting the cooling liquid is connected with the water inlet pipe 9, the pipeline for inputting the cooling liquid is connected with the water outlet pipe 10, a cooling liquid circulation loop is formed, and heat is absorbed by the cooling liquid and then taken away to cool the barrel 1. The 1 successive layer of shell is invalid in the steel scrap blanking process, temperature resistant layer 2 at first contacts with the steel scrap blanking, bear wearing and tearing destruction, after damage appears in temperature resistant layer 2, expose shock-resistant layer 3, shock-resistant layer 3 is mainly fatigue destruction, its wearability, impact resistance is good, and because cooling circulation channel 6 acts on, can further improve shock-resistant layer 3's performance, when shock-resistant layer 3 reaches the fatigue limit, low-temperature cooling layer 4 just can receive the influence, and when the life-span of low-temperature cooling layer 4 reached the limit, cooling circulation channel 6 just can receive the destruction. The life-span of temperature-resistant layer 2 is shorter, but can effectively prolong the life-span of shock-resistant layer 3, and when the fatigue life of shock-resistant layer 3 reached the limit, low temperature cooling layer 4 just can receive the influence, so this kind of structure compares with whole cast molding's barrel, very big extension the life of barrel, the effectual fault rate that has reduced the batching mouth. When it is desired to connect to the quick-connect attachment, the dosing port is connected to the quick-connect attachment by means of a collar 13.
EXAMPLE 2 method for producing Coolant distribution type scrap Steel metering Port
This example is a method for manufacturing a coolant distribution type scrap gate, which is used to manufacture the coolant distribution type scrap gate in example 1. The manufacturing method of the cooling liquid distribution type scrap steel batching port in the embodiment comprises the following steps of:
manufacturing a cooling circulation layer: taking the low-temperature cooling layer 4 or the outer wall 15 of the cylinder body, arranging a first partition plate 17 and a second partition plate 18 on the outer wall of the low-temperature cooling layer 4 or the inner wall of the outer wall 15 of the cylinder body in a welding mode, arranging a circulating pipe 19 on the first partition plate 17 in a welding mode after punching, and forming a water return port 20 in a punching mode, wherein according to the arrangement positions of the first partition plate 17 and the second partition plate 18 in the steps, the other ends of the first partition plate 17 and the second partition plate 18 are fixedly arranged on the outer wall of the low-temperature cooling layer or the corresponding position on the inner wall of the outer wall of the cylinder body in a welding mode, so that one ends of the first partition plate 17 and the second partition plate 18 are welded on the outer wall of the low-temperature cooling layer 4; and taking an arc-shaped steel plate, and connecting and sealing the low-temperature cooling layer 4 and one end of the outer wall 15 of the cylinder close to the gasification cooling flue through the arc-shaped steel plate. Besides welding, the first partition 17 and the second partition 18 may be disposed on the outer wall of the cryogenic cooling layer 4 and the inner wall of the outer wall 15 of the cylinder by screwing, riveting or the like.
Manufacturing a cavity: taking the temperature-resistant layer 2 and a cooling circulation layer formed by enclosing the low-temperature cooling layer 4 and the outer wall 15 of the cylinder body, and sleeving the temperature-resistant layer 2 and the cooling circulation layer from inside to outside in sequence; the end part between the temperature-resistant layer 2 and the cooling circulation layer, which is close to the evaporative cooling flue, is connected and sealed through a lower sealing plate 5, namely one end of the lower sealing plate 5 is welded at the end part of the temperature-resistant layer 2, the other end of the lower sealing plate is welded on an arc-shaped steel plate, the end part of the cooling circulation layer, which is far away from the evaporative cooling flue, is connected and sealed through an upper sealing plate 16 to form a cavity, and a cooling circulation channel 6 is formed in the cavity at the moment; in addition to welding, the lower sealing plate 5 and the upper sealing plate 16 may be connected by welding, screwing or riveting.
Pouring an impact-resistant layer 3: pouring an impact-resistant layer material between the temperature-resistant layer 2 and the low-temperature cooling layer 4 from an opening at the upper end of the cylinder 1, and cooling to form a cylinder wall which is sequentially provided with the temperature-resistant layer 3, the impact-resistant layer 4, the low-temperature cooling layer 5 and a cooling circulation layer from inside to outside;
setting a water inlet 7 and a water outlet 8: a water inlet 7 and a water outlet 8 are arranged on the distribution channel 62 of the cooling circulation channel 6, namely the water inlet 7 and the water outlet 8 are arranged at the corresponding positions of the outer wall 15 of the cylinder body;
installing a water inlet pipe 9 and a water outlet pipe 10: a water inlet pipe 9 is arranged on the water inlet 7, a water outlet pipe 10 is arranged on the water outlet 8, and the water inlet pipe 9 and the water outlet pipe 10 can be connected with the water inlet 7 and the water outlet 8 in a welding or threaded connection mode;
installing a cylinder ring plate 11: the end part of the cylinder 1 far away from the evaporative cooling flue is provided with a cylinder annular plate 11, in the embodiment, the cylinder annular plate 11 and the upper sealing plate 16 are of an integral structure, namely, the installation of the cylinder annular plate 11 is completed while the upper sealing plate 16 is installed; when the cylinder annular plate 11 is an annular plate welded to the upper sealing plate 16 and extending outward in the radial direction of the cylinder 1, the cylinder annular plate 11 may be disposed at the upper end of the cylinder 1 by welding or may be disposed at the upper end of the cylinder 1 by screwing.
Claims (10)
1. The utility model provides a coolant liquid distribution type steel scrap batching mouth, includes the barrel, the barrel is the tubular structure, cooling circulation passageway has been buried underground in the barrel wall, a serial communication port, the barrel wall includes temperature-resistant layer, shock-resistant layer, the low temperature cooling layer that sets gradually from inside to outside and the cooling circulation layer of constituteing by cooling circulation passageway, shock-resistant layer is close to gasification cooling flue one end and is provided with the lower shrouding that is used for the corresponding end seal on shock-resistant layer, gasification cooling flue one end is kept away from on the cooling circulation layer is provided with and is used for the last shrouding of the corresponding end seal on cooling circulation layer, water inlet and delivery port have been seted up on the cooling circulation passageway.
2. The coolant distribution type scrap gate in accordance with claim 1, wherein said temperature-resistant layer, said cryogenic cooling layer, said upper sealing plate and said lower sealing plate are made of steel plate, and said impact-resistant layer is made of cast steel.
3. The coolant distribution type scrap batching port according to claim 2, wherein the side of said cooling circulation layer close to the gasification cooling flue is defined by an arc-shaped steel plate, the inner side and the outer side of said cooling circulation layer are defined by a low temperature cooling layer and the outer wall of the barrel, said outer wall of the barrel is made of steel plate, and a first partition plate for forming a cooling circulation channel is arranged between the low temperature cooling layer and the outer wall of the barrel.
4. The coolant distribution type scrap batching port according to claim 3, wherein said first partition plate is disposed in the cooling circulation layer along the width direction of the cylinder to divide the cooling circulation channel into a distribution channel on the side away from the gasification cooling flue and a circulation channel on the side close to the gasification cooling flue, said first partition plate is provided with a plurality of circulation pipes along the cylinder direction, one end of said circulation pipes is connected to the distribution channel, the other end of said circulation pipes is connected to the side close to the gasification cooling flue, said water inlet and outlet are opened on said distribution channel, said water outlet is provided on both sides with second partition plates for interrupting the water outlet and the distribution channel, and said first partition plate between said two second partition plates is provided with a water return port for flowing the coolant to the water outlet.
5. The coolant distribution scrap gate according to claim 4 wherein said first and second partitions are made of sheet steel.
6. The coolant distribution type scrap steel dosing port according to any one of claims 1 to 5, wherein the water inlet is connected to a water inlet pipe, the water outlet is connected to a water outlet pipe, and the water inlet pipe and the water outlet pipe penetrate through the outer wall of the barrel and extend in the direction of the outer side of the barrel.
7. The coolant distribution scrap dosing port according to claim 6 wherein the end of said barrel remote from said evaporative cooling flue is provided with a barrel collar plate for attachment to a quick connect device.
8. The method for manufacturing a cooling liquid distribution type scrap steel batching port according to any one of claims 1 to 7, characterized by comprising the following steps carried out in sequence:
manufacturing a cavity: the method comprises the following steps of taking a temperature-resistant layer and a cooling circulation layer formed by surrounding the low-temperature cooling layer and the outer wall of a cylinder body, sleeving the temperature-resistant layer and the cooling circulation layer in sequence from inside to outside, connecting and sealing the end part, close to an evaporation cooling flue, between the temperature-resistant layer and the cooling circulation layer through a lower sealing plate, and connecting and sealing the end part, far away from the evaporation cooling flue, of the cooling circulation layer through an upper sealing plate to form a cavity, wherein a cooling circulation channel is arranged in the cooling circulation layer;
pouring an impact-resistant layer: pouring an impact-resistant layer material between the temperature-resistant layer and the low-temperature cooling layer, and cooling to form a cylinder wall which is provided with the temperature-resistant layer, the impact-resistant layer, the low-temperature cooling layer and the cooling circulation layer in sequence from inside to outside;
setting a water inlet and a water outlet: the cooling circulation channel is provided with a water inlet and a water outlet.
9. The method of claim 8, wherein the step of forming the chamber includes a step of surrounding the outer wall of the cylinder with a cryogenic cooling layer to form a cooling circulation layer, and the step of forming the cooling circulation layer includes:
s1: a first partition plate and a second partition plate are arranged on the outer wall of the low-temperature cooling layer or the inner wall of the outer wall of the cylinder;
s2: a circulating pipe is arranged on the first partition plate and forms a water return port;
s3: according to the step S1, the other ends of the first partition board and the second partition board are fixedly arranged at corresponding positions on the outer wall of the low-temperature cooling layer or the inner wall of the outer wall of the cylinder body;
s4: the low-temperature cooling layer and one end of the outer wall of the cylinder body close to the gasification cooling flue are connected and sealed through an arc-shaped steel plate.
10. The method for manufacturing a cooling liquid distribution type scrap steel batching port according to claim 8 or 9, wherein after the water inlet and the water outlet are opened, a water inlet pipe is installed on the water inlet, a water outlet pipe is installed on the water outlet, and a cylinder ring plate is arranged at the end of the cylinder far away from the evaporative cooling flue.
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