阅读说明：本技术 一种铅带连续铸造系统及方法 (Lead belt continuous casting system and method ) 是由 董博 于 2021-08-31 设计创作，主要内容包括：本发明公开一种铅带连续铸造系统,包括铅液输送单元、铅液加压单元、铅液分配器、冷却单元,铅液输送单元能够与铅液相连通,铅液加压单元与铅液输送单元相连通,铅液输送单元与铅液分配器相连通；铅液分配器具有若干个分配出口,冷却单元与铅液分配器相连通,冷却单元能够冷却铅带成品。本发明还提供一种铅带连续铸造方法,熔融状态的铅液进入铅液输送单元,铅液加压单元将铅液加压,铅液在高温高压状态下进入铅液分配器,经过分配出口的铅液在冷却单元的冷却作用下凝固成铅带成品,由于进入铅液分配器的铅液具有一定压力,会将铅带成品推出,以实现铅带连续铸造。(The invention discloses a lead belt continuous casting system which comprises a lead liquid conveying unit, a lead liquid pressurizing unit, a lead liquid distributor and a cooling unit, wherein the lead liquid conveying unit can be communicated with lead liquid; the lead liquid distributor is provided with a plurality of distribution outlets, the cooling unit is communicated with the lead liquid distributor, and the cooling unit can cool the lead belt finished product. The invention also provides a continuous casting method of the lead belt, wherein molten lead liquid enters the lead liquid conveying unit, the lead liquid pressurizing unit pressurizes the lead liquid, the lead liquid enters the lead liquid distributor at a high temperature and high pressure state, the lead liquid passing through the distribution outlet is solidified into a finished lead belt product under the cooling action of the cooling unit, and the finished lead belt product can be pushed out due to certain pressure of the lead liquid entering the lead liquid distributor so as to realize continuous casting of the lead belt.)

1. A lead strip continuous casting system, characterized in that: the lead liquid pressurization device comprises a lead liquid conveying unit, a lead liquid pressurization unit, a lead liquid distributor and a cooling unit, wherein the lead liquid conveying unit can be communicated with lead liquid, the lead liquid pressurization unit is communicated with the lead liquid conveying unit, the lead liquid pressurization unit can pressurize the lead liquid in the lead liquid conveying unit, the lead liquid conveying unit is communicated with the lead liquid distributor, and the lead liquid pressurization unit is positioned at the upstream of the lead liquid distributor along the flowing direction of the lead liquid;

the lead liquid distributor is provided with a plurality of distribution outlets, when the distribution outlets are multiple, the distribution outlets are arranged in parallel, the cooling unit is communicated with the lead liquid distributor, and the cooling unit can cool a lead belt finished product.

2. The lead strip continuous casting system of claim 1, wherein: the lead liquid pressurizing unit comprises a plunger cylinder and a pressurizing plunger, the plunger cylinder is communicated with the lead liquid conveying unit, and the pressurizing plunger is slidably arranged in the plunger cylinder.

3. The lead strip continuous casting system of claim 2, wherein: the sliding direction of the pressurizing plunger relative to the plunger cylinder is perpendicular to the conveying direction of the lead liquid.

4. The lead strip continuous casting system of claim 1, wherein: the lead liquid conveying unit is communicated with the lead melting furnace, the lead melting furnace can convey lead liquid to the lead liquid conveying unit, and a first one-way valve is arranged between the lead melting furnace and the lead liquid conveying unit.

5. The lead strip continuous casting system of claim 4, wherein: and a second one-way valve is arranged between the lead liquid distributor and the lead liquid conveying unit, and the lead liquid pressurizing unit is positioned between the first one-way valve and the second one-way valve.

6. The lead strip continuous casting system of claim 1, wherein: the dispensing outlet comprises a plurality of through holes arranged side by side, the through holes being circular holes.

7. The lead strip continuous casting system of claim 6, wherein: the cooling unit comprises a lead liquid inlet and a lead belt outlet, the lead liquid inlet is communicated with the lead belt outlet through a communicating channel, the lead liquid inlet is communicated with the through hole, the lead liquid inlet and the lead belt outlet are both rectangular holes, and the shapes of the lead liquid inlet and the lead belt outlet are consistent with the cross section shape of a lead belt finished product.

8. The lead strip continuous casting system of claim 7, wherein: the cooling unit comprises a circulating water channel, the circulating water channel is communicated with an external cooling water source, and the circulating water channel surrounds the communication channel.

9. The lead strip continuous casting system as defined in any one of claims 1 to 8, wherein: the lead liquid pressurizing unit and the lead liquid distributor are both provided with heating and heat-insulating elements, and the heating and heat-insulating elements can heat the lead liquid.

10. A continuous casting method of a lead strip is characterized by comprising the following steps:

step one, heating pure lead to the temperature of 400-;

and step two, enabling the high-temperature and high-pressure lead liquid to uniformly flow out along the width direction of the lead belt finished product, and cooling the lead liquid to form the lead belt finished product.

Technical Field

The invention relates to the technical field of lead belt casting, in particular to a lead belt continuous casting system and a lead belt continuous casting method.

Background

The existing lead belt continuous casting machine adopts two pairs of rollers and a V-shaped space formed between side wall plates at two ends of the rollers to contain molten lead liquid, cooling water is arranged in the rollers, the lead liquid is cooled and solidified through heat transfer of the rollers, meanwhile, the rollers rotate, and a lead belt is extruded from a gap between the two rollers, so that the continuous casting of the lead belt is realized. This casting method has disadvantages: the platform structure is huge, and because the two pairs of rollers can only discharge the lead belt downwards, the whole structure is heightened, a huge working platform is required for supporting equipment and manual operation, and a large space is occupied; the structure of the double rollers is huge, the diameter of the double rollers for rolling the finished product belt is larger at present, if the productivity is improved by the existing mode, the cooling length of the lead liquid can be lengthened only by increasing the diameter of the double rollers, the cooling speed of the lead liquid is improved, and the double rollers are larger when the belt making speed is higher; the roller rolls the condensed lead liquid in the rotating process to manufacture a lead belt with uniform thickness, certain energy is lost, and meanwhile, two speed reducers with low speed and large torque are needed, so that the manufacturing cost is increased; in the manufacturing process, when the machine is stopped, the lead liquid can be solidified in the containing pool between the pair rollers, so that the inconvenience is caused to the subsequent production.

Therefore, how to change the current situation that the production is inconvenient due to the large occupied area of the lead belt casting equipment in the prior art becomes a problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

The invention aims to provide a lead belt continuous casting system and a lead belt continuous casting method, which are used for solving the problems in the prior art, saving the floor area of lead belt casting equipment and improving the lead belt casting production efficiency.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a lead belt continuous casting system which comprises a lead liquid conveying unit, a lead liquid pressurizing unit, a lead liquid distributor and a cooling unit, wherein the lead liquid conveying unit can be communicated with lead liquid;

the lead liquid distributor is provided with a plurality of distribution outlets, when the distribution outlets are multiple, the distribution outlets are arranged in parallel, the cooling unit is communicated with the lead liquid distributor, and the cooling unit can cool a lead belt finished product.

Preferably, the lead liquid pressurizing unit comprises a plunger cylinder and a pressurizing plunger, the plunger cylinder is communicated with the lead liquid conveying unit, and the pressurizing plunger is slidably arranged in the plunger cylinder.

Preferably, the sliding direction of the pressurizing plunger relative to the plunger cylinder is perpendicular to the conveying direction of the lead liquid.

Preferably, the lead liquid conveying unit is communicated with a lead melting furnace, the lead melting furnace can convey lead liquid to the lead liquid conveying unit, and a first one-way valve is arranged between the lead melting furnace and the lead liquid conveying unit.

Preferably, a second one-way valve is arranged between the lead liquid distributor and the lead liquid conveying unit, and the lead liquid pressurizing unit is positioned between the first one-way valve and the second one-way valve.

Preferably, the dispensing outlet comprises a plurality of through holes arranged side by side, the through holes being circular holes.

Preferably, the cooling unit comprises a lead liquid inlet and a lead belt outlet, the lead liquid inlet is communicated with the lead belt outlet through a communicating channel, the lead liquid inlet is communicated with the through hole, the lead liquid inlet and the lead belt outlet are both rectangular holes, and the shapes of the lead liquid inlet and the lead belt outlet are consistent with the cross section shape of a lead belt finished product.

Preferably, the cooling unit includes a circulation water passage, the circulation water passage being communicated with an external cooling water source, the circulation water passage being provided around the communication passage.

Preferably, the lead liquid pressurizing unit and the lead liquid distributor are both provided with heating and heat-preserving elements which can heat the lead liquid.

The invention also provides a continuous casting method of the lead belt, which comprises the following steps:

step one, heating pure lead to the temperature of 400-;

and step two, enabling the high-temperature and high-pressure lead liquid to uniformly flow out along the width direction of the lead belt finished product, and cooling the lead liquid to form the lead belt finished product.

Compared with the prior art, the invention has the following technical effects: the continuous casting system for the lead belt comprises a lead liquid conveying unit, a lead liquid pressurizing unit, a lead liquid distributor and a cooling unit, wherein the lead liquid conveying unit can be communicated with lead liquid; the lead liquid distributor is provided with a plurality of distribution outlets, when the distribution outlets are multiple, the distribution outlets are arranged in parallel, the cooling unit is communicated with the lead liquid distributor, and the cooling unit can cool a lead belt finished product. The invention also provides a continuous casting method of the lead belt, which comprises the steps of heating pure lead to 400-450 ℃, and pressurizing and preserving heat for lead liquid; and enabling the high-temperature and high-pressure lead liquid to uniformly flow out along the width direction of the lead belt finished product, and cooling the lead liquid to form the lead belt finished product.

According to the continuous casting system for the lead belt, molten lead liquid enters the lead liquid conveying unit, the lead liquid pressurizing unit communicated with the lead liquid conveying unit pressurizes the lead liquid, the lead liquid enters the lead liquid distributor in a high-temperature and high-pressure state, the lead liquid passing through the distribution outlet is solidified into a finished lead belt product under the cooling action of the cooling unit, the finished lead belt product can be pushed out due to certain pressure of the lead liquid entering the lead liquid distributor, so that continuous casting of the lead belt is realized, and the lead liquid distributor ensures the uniformity of the finished lead belt product; the continuous casting system for the lead belt saves the occupied space of equipment and reduces the manufacturing cost of the lead belt. According to the continuous casting method of the lead belt, pure lead is heated and pressurized, and then the lead liquid flows out and is cooled to form a lead belt finished product, so that continuous casting is performed, and the production efficiency of the lead belt is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in 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, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the lead strip continuous casting system of the present invention;

FIG. 2 is a schematic structural view of a cooling unit of the lead strip continuous casting system of the present invention;

the lead liquid cooling system comprises a lead liquid conveying unit 1, a lead liquid pressurizing unit 2, a plunger barrel 201, a pressurizing plunger 202, a lead liquid distributor 3, a distribution outlet 301, a cooling unit 4, a lead liquid inlet 401, a cooling water inlet 402, a cooling water outlet 403, a lead melting furnace 5, a first one-way valve 6 and a second one-way valve 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a lead belt continuous casting system and a lead belt continuous casting method, which are used for solving the problems in the prior art, saving the floor area of lead belt casting equipment and improving the lead belt casting production efficiency.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a lead strip continuous casting system of the present invention, and fig. 2 is a schematic structural diagram of a cooling unit of the lead strip continuous casting system of the present invention.

The invention provides a lead belt continuous casting system, which comprises a lead liquid conveying unit 1, a lead liquid pressurizing unit 2, a lead liquid distributor 3 and a cooling unit 4, wherein the lead liquid conveying unit 1 can be communicated with lead liquid, the lead liquid pressurizing unit 2 is communicated with the lead liquid conveying unit 1, the lead liquid pressurizing unit 2 can pressurize the lead liquid in the lead liquid conveying unit 1, the lead liquid conveying unit 1 is communicated with the lead liquid distributor 3, and the lead liquid pressurizing unit 2 is positioned at the upstream of the lead liquid distributor 3 along the flowing direction of the lead liquid;

the lead liquid distributor 3 is provided with a plurality of distribution outlets 301, when the distribution outlets 301 are multiple, the distribution outlets 301 are arranged in parallel, the cooling unit 4 is communicated with the lead liquid distributor 3, and the cooling unit 4 can cool the lead belt finished product.

According to the continuous casting system for the lead belt, molten lead liquid enters the lead liquid conveying unit 1, the lead liquid pressurizing unit 2 communicated with the lead liquid conveying unit 1 pressurizes the lead liquid, the lead liquid enters the lead liquid distributor 3 in a high-temperature and high-pressure state, the lead liquid passing through the distribution outlet 301 is solidified into a finished lead belt product under the cooling effect of the cooling unit 4, the finished lead belt product can be pushed out due to certain pressure of the lead liquid entering the lead liquid distributor 3, so that continuous casting of the lead belt is realized, and the lead liquid distributor 3 ensures the uniformity and consistency of the finished lead belt product; the continuous casting system for the lead belt saves the occupied space of equipment and reduces the manufacturing cost of the lead belt.

The lead liquid pressurizing unit 2 comprises a plunger cylinder 201 and a pressurizing plunger 202, the plunger cylinder 201 is communicated with the lead liquid conveying unit 1, the pressurizing plunger 202 is slidably arranged in the plunger cylinder 201, the plunger cylinder 201 and the pressurizing plunger 202 are matched to pressurize lead liquid, the lead liquid pressure in the lead liquid conveying unit 1 is improved, and convenience is provided for subsequent continuous casting.

In this embodiment, the sliding direction of the pressurizing plunger 202 relative to the plunger cylinder 201 is perpendicular to the conveying direction of the lead liquid, and the pressurizing plunger 202 is connected with a driving element which drives the pressurizing plunger 202 to reciprocate.

Specifically, the lead liquid conveying unit 1 is communicated with the lead melting furnace 5, the lead melting furnace 5 can convey lead liquid to the lead liquid conveying unit 1, the lead melting furnace 5 conveys the molten lead liquid to the lead liquid conveying unit 1, and a first one-way valve 6 is arranged between the lead melting furnace 5 and the lead liquid conveying unit 1 to avoid backflow in the lead liquid pressurizing process.

Correspondingly, a second one-way valve 7 is arranged between the lead liquid distributor 3 and the lead liquid conveying unit 1, and the lead liquid pressurizing unit 2 is positioned between the first one-way valve 6 and the second one-way valve 7, so that the pressurized high-temperature lead liquid can smoothly enter the lead liquid distributor 3, and the continuous casting of the lead belt is realized.

More specifically, the distribution outlet 301 includes a plurality of through holes arranged side by side, the through holes are circular holes, and after the high-temperature and high-pressure lead liquid passes through the through holes, the lead liquid enters the cooling unit 4 to be cooled to form a lead belt finished product according to the characteristics of the liquid.

Further, cooling unit 4 includes lead liquid import 401 and lead belt export, lead liquid import 401 utilizes intercommunication passageway and lead belt export to be linked together, lead liquid import 401 is linked together with the clearing hole, lead liquid import 401 and lead belt export are the rectangular hole, the shape of lead liquid import 401 and lead belt export all is unanimous with the off-the-shelf cross sectional shape of lead belt, lead liquid through distribution export 301 gets into the intercommunication passageway via lead liquid import 401 in, cooling unit 4 has cooled the lead liquid in the intercommunication passageway and has made it solidify, generate the lead belt finished product. In this embodiment, the rectangular lead liquid inlet 401 and lead belt outlet can prevent the lead belt finished product from generating additional extrusion resistance in the pushing process, and ensure the smooth proceeding of continuous casting, in this embodiment, the specifications of the lead liquid inlet 401 and lead belt outlet are controlled within 390mm × 12mm, and in the actual production, the adjustment can be performed according to the actual requirement.

In another embodiment of the present invention, the cooling unit 4 includes a circulating water channel, the circulating water channel is communicated with an external cooling water source, the circulating water channel is disposed around the communicating channel, the circulating water channel includes a cooling water inlet 402 and a cooling water outlet 403, the lead liquid entering the communicating channel forms a lead belt finished product under the cooling effect of the circulating water channel, and the cooled lead belt finished product is pushed out by the high-temperature and high-pressure lead liquid subsequently entering the lead liquid distributor 3, so as to achieve continuous production.

It should be further noted that both the lead liquid pressurizing unit 2 and the lead liquid distributor 3 are provided with heating and heat-preserving elements, and the heating and heat-preserving elements can heat the lead liquid, so that the lead liquid is prevented from being solidified at the lead liquid pressurizing unit 2 and the lead liquid distributor 3, and the continuous casting of the lead strip is ensured to be smoothly performed.

When the continuous casting system works, when the pressurizing plunger 202 rises, the first check valve 6 is opened, the second check valve 7 is closed, and normal-pressure lead liquid enters the lead liquid pressurizing unit 2; when the pressurizing plunger 202 presses down, the first one-way valve 6 is closed, the pressure of the lead liquid rises and jacks the second one-way valve 7, the high-pressure lead liquid enters the lead liquid distributor 3, the lead liquid distributor 3 can ensure that the lead liquid flowing into the cooling unit 4 is uniform, the lead liquid is gradually cooled into a lead belt finished product after entering the cooling unit 4, and the subsequent high-pressure lead liquid can push out the condensation-formed lead belt to realize continuous production. The continuous casting system has the advantages of small structure, space saving, greatly reduced manufacturing cost, capability of manufacturing thinner lead strip finished products and reduction of later-stage rolling processes; the cooling unit has simple structure and low energy consumption; the system can be stopped at any time, so that the fault is avoided, and the production convenience is improved.

Further, the invention also provides a continuous casting method of the lead strip, which comprises the following steps:

step one, heating pure lead to the temperature of 400-450 ℃, pressurizing and preserving heat of the lead liquid by the lead liquid pressurizing unit 2, and keeping the temperature of the lead liquid pressurizing unit 2 within 380-400 ℃;

and step two, enabling the high-temperature and high-pressure lead liquid to enter a lead liquid distributor 3, keeping the temperature of the lead liquid distributor 3 within 380-400 ℃, enabling the high-temperature and high-pressure lead liquid to uniformly flow out along the width direction of the lead belt finished product, cooling the lead liquid flowing out through a cooling unit 4 to form a lead belt finished product, and pushing the lead belt finished product out by subsequent high-pressure lead liquid to realize continuous casting.

According to the continuous casting method of the lead belt, pure lead is heated and pressurized, and then the lead liquid flows out and is cooled to form a lead belt finished product, so that continuous casting is performed, and the production efficiency of the lead belt is improved.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.