CN110090929B

CN110090929B - Process for manufacturing antique bronze ware and smelting and roasting system thereof

Info

Publication number: CN110090929B
Application number: CN201910399163.4A
Authority: CN
Inventors: 方长勋; 方长站; 方伊东; 方长伟; 方静丽
Original assignee: Luoyang Yanyunjian Bronze Ware Co ltd
Current assignee: Luoyang Yanyunjian Bronze Ware Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-12-04
Anticipated expiration: 2039-05-14
Also published as: CN110090929A

Abstract

A process for making the bronze wares of imitating the antique and its smelting roasting system related to the manufacture field of bronze wares of imitating the antique, this process includes sculpture model, gypsum make shell, wax pattern mould, finishing the ornamentation, silica gel make a mould, silica gel backing, rinse and get the wax one, assemble the wax pattern, gypsum bag type, roast lost wax, smelt the casting, clear up the gypsum, cut off the runner, polish and polish, make old processing and finished product inspection sixteen processes; the smelting and roasting system comprises a gas-fired smelting furnace, a gas-fired drying furnace, an ignition system and a flue gas and dust cooling and filtering system; the whole process for manufacturing the antique bronze wares and the smelting and roasting system thereof can manufacture more exquisite antique bronze wares, greatly improve the manufacturing efficiency and ensure that the manufacturing process is cleaner and pollution-free.

Description

Process for manufacturing antique bronze ware and smelting and roasting system thereof

Technical Field

The invention relates to the field of manufacturing of antique bronze wares, in particular to a process for manufacturing the antique bronze wares and a smelting and roasting system thereof.

Background

Bronze ware is called gold or gilt in ancient times, is an alloy of red copper and other chemical elements such as tin, lead and the like, and the patina of the bronze ware is greenish; the use of bronze wares is popular in the late period of the neolithic age to the period of Qin Han dynasty, and the wares in the period of the week of the trade are the most exquisite; although ancient bronze wares are national cultural relics and protected, because the bronze wares have exquisite shapes, high artistic value and strong cultural smell and can represent some nice connotations, people often buy some antique bronze wares as ornaments, thereby driving the development of the antique bronze wares industry;

the antique bronze vessels are the bronze vessels imitated by modern people according to the ancient bronze vessels or the pictures of the ancient bronze vessels, and the manufacturing process of the modern antique bronze vessels and the manufacturing of the ancient bronze vessels are different from the Japanese due to the permission of modern equipment and conditions, so that the process is more perfect in the aspects of manufacturing large antique bronze vessels and manufacturing the antique bronze vessels in batches, the manufacturing efficiency is higher, and the manufactured antique bronze vessels are more exquisite; however, in the manufacturing process of the antique bronze wares, the pollution problem always exists, in the manufacturing process of the plaster mold and the polishing process of the bronze wares, dust pollution mainly exists, in the process of drying the plaster mold and smelting copper materials, in order to observe the states of the plaster mold and the copper materials and facilitate ladling out copper liquid from a crucible, the general smelting and roasting processes are carried out in the open air, smoke pollution exists, and energy is wasted.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses a process for manufacturing an antique bronze ware and a smelting and roasting system thereof, which can manufacture the more exquisite antique bronze ware, greatly improve the manufacturing efficiency and ensure that the manufacturing process is cleaner and pollution-free.

In order to achieve the purpose, the invention adopts the following technical scheme:

a process for manufacturing an antique bronze ware comprises sixteen processes of carving a model, making a shell by gypsum, making a wax pattern mold, finishing ornamentation, molding by silica gel, backing by silica gel, rinsing a wax piece, assembling a wax pattern, packaging a gypsum bag, roasting to lose wax, smelting and casting, cleaning the gypsum, cutting off a sprue, polishing, performing old-making treatment and inspecting a finished product; s1 sculpture model: red clay is adopted, and is processed by airing, impurity removal, sieving, elutriation and mud refining to prepare cooked mud for later use, and the mixed material for solidifying the mud material with the specific gravity of 10-17 percent is added and mixed before a concrete sculpture model; then, according to the designed bronze ware type content, performing model sculpture; s2 making a shell by gypsum: after the clay model is shaped, the clay model is wrapped by gypsum slurry, after the gypsum is condensed, the clay is dug out, the inner wall of the gypsum model is cleaned, and the gypsum model is cut to manufacture a plurality of split type mould shells; s3 wax pattern mold: combining and fixing the split mould shells into a plaster mould, pouring the molten wax juice into the plaster mould, and cooling to prepare a wax mould; s4 finishing the texture: taking out the wax mould, and elaborately carving the wax mould by using a nicking tool according to the pattern of the original bronze ware to further refine the wax mould; s5 silica gel molding: finely carving and then performing range processing on the wax mould, disassembling the wax mould into a plurality of parts with proper sizes, and uniformly coating and airing the model surface of each part of wax pattern by using silica gel; s6 silica gel susceptor: after each part of wax-shaped silica gel is formed, respectively wrapping the silica gel with gypsum slurry, and taking out the wax-shaped silica gel after solidification to form a plurality of silica gel supporting molds; s7 rinsing wax: after the paraffin is melted into liquid, repeatedly and uniformly brushing the inner wall of the silica gel support die, and filling the whole silica gel support die to form a wax piece; s8 assembling wax pattern: taking out the dispersed wax pieces from the silica gel support die according to the structure of the bronze ware designed originally, combining the dispersed wax pieces together, arranging a drainage rod, and fixing the drainage rod and the wax pieces by using wax strips; s9 gypsum package type: mixing gypsum and sand into slurry according to the ratio of 1: 1-2, injecting the slurry into a movable barrel, putting the combined wax pattern into the barrel, and only exposing the drainage rod; s10 baking lost wax: placing the condensed gypsum body into a gas type drying furnace for low-temperature roasting with a casting opening facing downwards, and recovering the melted paraffin to form a formwork in the gypsum body; s11 smelting and casting: preparing bronze alloy according to the proportion of 75-90% of red copper and 10-25% of tin or tin-lead, putting the bronze alloy into a crucible and smelting in a gas-fired smelting furnace, scooping out alloy liquid after smelting is finished, and pouring the alloy liquid into a gypsum body casting mold; s12 cleaning gypsum: after the alloy solution is cooled, breaking the gypsum body to expose the bronze ware blank, and then cleaning; s13 cutting off the gate: cutting off a pouring gate, a bracket, a model line and the like remained on the bronze ware blank; s14 grinding and polishing: polishing for multiple times by using staggered stones until the surface of the bronze ware is smooth; finely grinding and polishing by using rag, hide, polishing sand or polishing wool; s15 distressing: performing ground color treatment on the polished bronze ware, and then performing old finishing by an electrochemical method; and S16, checking of finished products: the test was performed from the aspects of shape, color, smell, sound, weight, residue, ornamentation, fanning and verve.

A smelting and roasting system for implementing the process for manufacturing the antique bronze wares comprises a gas-fired smelting furnace, a gas-fired drying furnace, an ignition system and a flue gas dust cooling and filtering system; the bottom of the smelting furnace is communicated with a gas mixer I, and the top of the smelting furnace is communicated with an exhaust pipe I; the bottom of the drying furnace is communicated with a gas mixer II, and the top of the drying furnace is communicated with an exhaust pipe II; the gas mixer I and the gas mixer II are respectively provided with a gas inlet pipe, an air inlet pipe and an electric arc ignition device; the ignition system comprises a gasifier device, a blower and a control box for controlling ignition and combustion of fuel gas; the outlet of the air feeder is respectively communicated with the air inlet pipes of the gas mixer I and the gas mixer II, and the air inlet pipes are sequentially provided with a stop valve and a one-way valve along the air feeding direction; the gas outlet pipe of the gasifier equipment is respectively communicated with the gas inlet pipes of the gas mixer I and the gas mixer II, and the gas inlet pipes are respectively provided with a ball valve, an explosion-proof electromagnetic valve and a one-way valve along the gas transmission direction; the control box is respectively and electrically connected with the arc ignition device, the explosion-proof electromagnetic valve and the air feeder; the smoke dust cooling and filtering system comprises an electromagnetic pulse dust collector, a heat exchange tower, a chimney and a cooling water tank; the exhaust pipe I and the exhaust pipe II are respectively communicated with a flue gas inlet at the top of the heat exchange tower, flue valves are respectively arranged on the exhaust pipe I and the exhaust pipe II, and a flue gas outlet at the bottom of the heat exchange tower is sequentially communicated with the electromagnetic pulse dust collector and the chimney correspondingly; the cooling water tank bottom is equipped with the immersible pump, I outer wall of blast pipe is equipped with coolant tank, coolant tank's inlet tube and outlet pipe respectively with the export and the cooling water tank intercommunication of immersible pump, the inlet tube and the outlet pipe of heat transfer tower communicate with the export and the cooling water tank of immersible pump respectively, and coolant tank's inlet tube and outlet pipe to and the inlet tube and the outlet pipe of heat transfer tower all are equipped with the valve.

Further, the top of the combustion smelting furnace is communicated with the bottom of the drying furnace through a heat transfer pipe, and valves are arranged at two ends of the heat transfer pipe.

Furthermore, the smelting roasting system further comprises a smoke dust collecting cover, a bottom end pipeline of the smoke dust collecting cover is communicated with a top flue gas inlet of the heat exchange tower, and a bottom end pipeline of the smoke dust collecting cover is provided with a flue valve.

Furthermore, the forced draught blowers are provided with two forced draught blowers, and outlets of the two forced draught blowers are respectively communicated with the air inlet pipes of the gas mixer I and the gas mixer II.

Further, a dust collection trolley is arranged at a dust outlet of the electromagnetic pulse dust collector.

Further, the cooling water tank contains two cooling water cabinets, the upper end intercommunication of two cooling water cabinets, the immersible pump is located bottom in one of them cooling water cabinet, the outlet pipe of cooling water tank outlet pipe and heat exchange tower is respectively with another cooling water cabinet intercommunication.

Furthermore, the gas inlet pipe of the gasifier equipment is respectively communicated with a plurality of gas inlet branch pipes with valves, and a ball valve, a Y-shaped filter, a safety valve, a pressure regulator and a pressure gauge are sequentially arranged on the gas outlet pipe of the gasifier equipment.

Further, a plurality of gas mixers II are uniformly arranged at the bottom of the drying furnace.

Further, an exhaust fan is installed on a pipeline communicated with the electromagnetic pulse dust collector and the chimney.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

the invention discloses a process for manufacturing an antique bronze wares, which comprises sixteen process steps of carving a model, making a shell by gypsum, making a wax mould, finishing ornamentation, molding by silica gel, backing by silica gel, rinsing a wax part, assembling a wax mould, packaging the gypsum mould, roasting lost wax, smelting and casting, cleaning the gypsum, cutting off a sprue, polishing, performing antique treatment and inspecting a finished product.

The smelting and roasting system for manufacturing the antique bronze wares, disclosed by the invention, is characterized in that a gas-type smelting furnace is used for smelting bronze alloys, and a gas-type drying furnace is used for carrying out wax-loss roasting on a plaster mold, so that the smelting and drying efficiency is improved, and the energy is saved; the ignition system is arranged, so that workers can respectively control the smelting furnace and the drying furnace to ignite, burn and heat through the control box, and the cooling tower and the dust remover are used for cooling and recovering smoke, thereby effectively reducing smoke pollution and enabling the whole manufacturing process of the antique bronze wares to reach the environmental protection standard; in addition, because the smelting temperature of the smelting furnace is higher than the drying temperature of the drying furnace, the temperature of the flue gas discharged from the smelting furnace can be reduced through the cooling water tank and then the flue gas is introduced into the smelting furnace for drying, so that the energy consumption is effectively reduced, the energy utilization rate is improved, and the pollution of the flue gas generated by combustion to the environment is reduced.

Drawings

FIG. 1 is a schematic view of the smelt roasting system.

In the figure: 1. a control box; 2. a smelting furnace; 3. an exhaust pipe I; 4. a cooling water tank; 5. a gasifier apparatus; 6. an exhaust pipe II; 7. a flue valve; 8. a gas mixer I; 9. a blower; 10. a gas mixer II; 11. a drying oven; 12. a submersible pump; 13. a cooling water tank; 14. a heat exchange tower; 15. an electromagnetic pulse dust collector; 16. a chimney; 17. a smoke dust collecting cover.

Detailed Description

The present invention will be explained in detail by the following examples, which are intended to protect all technical improvements within the scope of the present invention, and are not limited to the following examples:

example 1:

the process for manufacturing the antique bronze wares comprises sixteen processes of carving models, making shells with gypsum, making wax molds, finishing ornamentation, making molds with silica gel, backing with silica gel, rinsing wax pieces, assembling wax molds, making gypsum bags, roasting to lose wax, smelting and casting, cleaning gypsum, cutting off a sprue, polishing, performing antique treatment and inspecting finished products;

s1 sculpture model: red clay is adopted, and is processed by airing, impurity removal, sieving, elutriation and mud refining to prepare cooked mud for later use, and before a concrete sculpture model is sculptured, a blending material with the specific gravity of 10-17% for solidifying the mud is added and mixed, the viscosity of the red clay is high and can be improved by 30-40% compared with the viscosity of common loess, the mud model can be manufactured more conveniently, and the blending material is generally gypsum powder and talcum powder and has the functions of accelerating the solidification of the mud model, reducing cracking and facilitating the sculpture; then, according to the designed bronze ware type content, performing model sculpture; s2 making a shell by gypsum: after the clay model is shaped, gypsum slurry is used for wrapping, after the gypsum is condensed into the model, the clay in the gypsum model is dug out, the inner wall of the gypsum model is cleaned, the gypsum model is cut to manufacture a plurality of split type mould shells, and the wax model is convenient to take out; s3 wax pattern mold: combining and fixing the split mould shells into a plaster mould, pouring the molten wax juice into the plaster mould, and cooling to prepare a wax mould; s4 finishing the texture: the plaster mold is separated and then the wax mold is taken out, and compared with the bronze ware pattern designed originally, the wax mold is further refined by meticulously carving with a nicking tool; s5 silica gel molding: finely carving and then performing range processing on the wax mould, disassembling the wax mould into a plurality of parts with proper sizes, and uniformly coating and airing the model surface of each part of wax pattern by using silica gel; s6 silica gel susceptor: after each part of wax-shaped silica gel is formed, respectively wrapping the silica gel with gypsum slurry, and taking out the wax-shaped silica gel after solidification to form a plurality of silica gel supporting molds; s7 rinsing wax: after the paraffin is melted into liquid, repeatedly and uniformly brushing the inner wall of the silica gel support die, and filling the whole silica gel support die to form a wax piece; s8 assembling wax pattern: taking out the dispersed wax pieces from the silica gel support die according to the structure of the bronze ware designed originally, combining the dispersed wax pieces together, arranging a drainage rod made of wax, and fixing the drainage rod and the wax pieces by using a wax strip; s9 gypsum package type: gypsum and sand are mixed into slurry according to the proportion of 1: 1.5, the slurry is injected into a movable type barrel, the combined wax pattern is placed, only the drainage rod is exposed, the movable type barrel is in a shape of a barrel which can be rolled into different sizes by plastic wrappers according to the size of the wax pattern, the manufacture is convenient, and the plaster body is convenient to take out; s10 baking lost wax: after the gypsum body is condensed, a casting opening is formed at the position of the drainage rod, the condensed gypsum body is placed into a gas type drying furnace 11 with the casting opening facing downwards for low-temperature roasting, paraffin is melted and then recovered, and a formwork is formed in the gypsum body; s11 smelting and casting: preparing bronze alloy according to the proportion of 75-90% of red copper and 10-25% of tin or tin-lead, putting the bronze alloy into a crucible and smelting in a gas type smelting furnace 2, scooping out alloy liquid after smelting, and pouring the alloy liquid into a gypsum body casting mold; s12 cleaning gypsum: after the alloy solution is cooled, breaking the gypsum mold to expose the bronze ware blank, and then cleaning; s13 cutting off the gate: cutting off a pouring gate, a bracket, a model line and the like remained on the bronze ware blank; s14 grinding and polishing: polishing for multiple times by using staggered stones until the surface of the bronze ware is smooth; finely grinding and polishing by using rag, hide, polishing sand or polishing wool; s15 distressing: performing ground color treatment on the polished bronze ware, and then performing ageing by a sapropel heating ageing method or performing ageing by the existing electrochemical method; and S16, checking of finished products: testing from the aspects of shape, color, smell, sound, weight, residue, ornamentation, model line and verve; through the sixteen process steps, the gas-fired drying furnace 11 is adopted in the roasting dewaxing process, and the gas-fired smelting furnace 2 is adopted in the smelting and casting process, so that compared with the traditional antique bronze ware manufacturing method, the manufactured bronze ware is more exquisite, is particularly suitable for manufacturing large-scale antique bronze wares and manufacturing the antique bronze wares in batches, and has more perfect manufacturing steps.

Example 2:

with reference to the attached drawing 1, the smelting and roasting system for implementing the process for manufacturing the antique bronze wares comprises a gas-fired smelting furnace 2, a gas-fired drying furnace 11, an ignition system and a flue gas and dust cooling and filtering system; the gas-fired smelting furnace 2 comprises a smelting furnace body and a furnace cover, wherein the bottom of the smelting furnace body is provided with a crucible base on which a crucible is arranged; the gas type drying furnace 11 comprises a square drying furnace body and a furnace door positioned on the front side of the furnace body, a supporting furnace plate which is convenient to pull out towards the furnace door is arranged at the bottom in the furnace body, a wax channel is arranged on the supporting furnace plate, an outlet of the wax channel corresponds to a flow guide pipe arranged on the furnace door, and a worker can collect wax liquid through the flow guide pipe outside the furnace door in the process of drying a plaster mold by the drying furnace 11;

the bottom of the smelting furnace 2 is communicated with a gas mixer I8, and the top of the smelting furnace 2 is communicated with an exhaust pipe I3; the bottom of the drying furnace 11 is communicated with a gas mixer II 10, and the top of the drying furnace 11 is communicated with an exhaust pipe II 6; according to the requirement, a plurality of gas mixers II 10 are uniformly arranged at the bottom of the drying furnace 11, so that the gypsum mold can be dried in all directions conveniently; the gas mixer I8 and the gas mixer II 10 are respectively provided with a gas inlet pipe, an air inlet pipe and an electric arc ignition device; the ignition system comprises a gasifier device 5, a blower 9 and a control box 1 for controlling ignition combustion of gas; according to the requirements, the gas inlet pipe of the gasifier device 5 is respectively communicated with a plurality of gas inlet branch pipes with valves, the gas outlet pipe of the gasifier device 5 is sequentially provided with a ball valve, a Y-shaped filter, a safety valve, a pressure regulator and a pressure gauge, and the plurality of gas inlet branch pipes are arranged to facilitate the input of methane, natural gas and the filling of gas according to the conditions; the outlet of the blower 9 is respectively communicated with the air inlet pipes of the gas mixer I8 and the gas mixer II 10, and the air inlet pipes are sequentially provided with a stop valve and a one-way valve along the air supply direction; according to the requirement, two fans 9 are arranged, and outlets of the two blowers 9 are respectively communicated with air inlet pipes of the gas mixer I8 and the gas mixer II 10, so that the corresponding fans 9 can be controlled independently to feed air into the smelting furnace 2 or the drying furnace 11; a gas outlet pipe of the gasifier device 5 is respectively communicated with a gas inlet pipe of the gas mixer I8 and a gas inlet pipe of the gas mixer II 10, and ball valves, explosion-proof electromagnetic valves and one-way valves are arranged on the gas inlet pipes along the gas transmission direction; the control box 1 is respectively and electrically connected with the arc ignition device, the explosion-proof electromagnetic valve and the blower 9; the control button of the control box 1 controls the on-off of the explosion-proof electromagnetic valve to control the transportation of fuel gas, the on-off of the blower 9 is controlled to control the transportation of air, and the on-off of the arc ignition device is controlled to control the ignition, so that the device is very convenient, and the smelting furnace 2 and the drying furnace 11 can work synchronously and separately;

the flue gas and dust cooling and filtering system comprises an electromagnetic pulse dust collector 15, a heat exchange tower 14, a chimney 16 and a cooling water tank 13; the exhaust pipe I3 and the exhaust pipe II 6 are respectively communicated with a flue gas inlet at the top of the heat exchange tower 14, a flue valve 7 is respectively arranged on the exhaust pipe I3 and the exhaust pipe II 6, a flue gas outlet at the bottom of the heat exchange tower 14 is sequentially communicated with the electromagnetic pulse dust collector 15 and the chimney 16 correspondingly, in addition, a dust collecting trolley is arranged at a dust outlet of the electromagnetic pulse dust collector 15, so that dust collected in the electromagnetic pulse dust collector 15 can be conveniently collected and transported away, and preferably, an exhaust fan is arranged on a pipeline communicated with the electromagnetic pulse dust collector 15 and the chimney 16, so that the flow rate of flue gas can be conveniently controlled; a submersible pump 12 is arranged at the bottom of the cooling water tank 13, a cooling water tank 4 is arranged on the outer wall of the exhaust pipe I3, a water inlet pipe and a water outlet pipe of the cooling water tank 4 are respectively communicated with an outlet of the submersible pump 12 and the cooling water tank 13, a water inlet pipe and a water outlet pipe of the heat exchange tower 14 are respectively communicated with an outlet of the submersible pump 12 and the cooling water tank 13, and valves are respectively arranged on the water inlet pipe and the water outlet pipe of the cooling water tank 4, and the water inlet pipe; according to the requirement, the cooling water tank 13 comprises two cooling water cabinets, the upper ends of the two cooling water cabinets are communicated, the submersible pump 12 is arranged at the bottom in one cooling water cabinet, the water outlet pipe of the cooling water tank 4 and the water outlet pipe of the heat exchange tower 14 are respectively communicated with the other cooling water cabinet, and cold water and hot water after heat exchange are separated by the two cooling water cabinets, so that the cooling efficiency is improved; in addition, the smelting roasting system also comprises a smoke dust collecting cover 17, a bottom end pipeline of the smoke dust collecting cover 17 is communicated with a top flue gas inlet of the heat exchange tower 14, a flue valve 7 is arranged on the bottom end pipeline of the smoke dust collecting cover 17, and the smoke dust collecting cover 17 is mainly arranged in a gypsum molding area and a bronze ware polishing area and is used for collecting dust and reducing pollution; when the smelting furnace 2 works, the inlet pipe and the outlet pipe of the cooling water tank 4 and the inlet pipe and the outlet pipe valves of the heat exchange tower 14 are opened, the submersible pump 12 and the electromagnetic pulse dust collector 15 are started at the same time, and the flue valve of the drying furnace 11 is closed, so that the flue gas cooling treatment of the smelting furnace 2 can be carried out; when the drying furnace 11 works, the water inlet pipe and the water outlet pipe valves of the heat exchange tower 14 are opened, the submersible pump 12 and the electromagnetic pulse dust collector 15 are started at the same time, and the flue valve of the drying furnace 11 is closed, so that the flue gas cooling treatment of the smelting furnace 2 can be carried out.

Example 3:

compared with the embodiment 2, in the smelting and roasting system for manufacturing the antique bronze wares, the top of the gas-fired smelting furnace 2 is communicated with the bottom of the gas-fired drying furnace 11 through a heat transfer pipe, and valves are arranged at two ends of the heat transfer pipe; because the smelting temperature of smelting furnace 2 is higher than the stoving temperature of drying furnace 11, can cool down naturally through the heat transfer pipe heat transfer in-process, perhaps install indirect heating equipment additional at the heat transfer pipe shaft, again perhaps the heat transfer pipe is equipped with on blast pipe I3 of smelting furnace 2 behind cooling water tank 4, utilize cooling water tank 4 to let in after reducing the flue gas temperature of emission in the smelting furnace 2 and dry in smelting furnace 2 and use, effectively reduced the consumption of the energy, the utilization ratio of the energy has been improved, the pollution of the flue gas that the burning produced to the environment has also been reduceed simultaneously.

The present invention is not described in detail in the prior art.

Claims

1. A process for manufacturing an antique bronze ware is characterized in that: comprises sixteen processes of sculpture models, gypsum shell making, wax pattern molds, fine finishing ornamentation, silica gel mold making, silica gel support, wax piece rinsing, wax pattern assembly, gypsum bag type, baking lost wax, smelting and casting, gypsum cleaning, sprue cutting, polishing, distressing treatment and finished product inspection;

s1 sculpture model: red clay is adopted, and is processed by airing, impurity removal, sieving, elutriation and mud refining to prepare cooked mud for later use, and the mixed material for solidifying the mud material with the specific gravity of 10-17 percent is added and mixed before a concrete sculpture model; then, according to the designed bronze ware type content, performing model sculpture;

s2 making a shell by gypsum: after the clay model is shaped, the clay model is wrapped by gypsum slurry, after the gypsum is condensed, the clay is dug out, the inner wall of the gypsum model is cleaned, and the gypsum model is cut to manufacture a plurality of split type mould shells;

s3 wax pattern mold: combining and fixing the split mould shells into a plaster mould, pouring the molten wax juice into the plaster mould, and cooling to prepare a wax mould;

s4 finishing the texture: taking out the wax mould, and elaborately carving the wax mould by using a nicking tool according to the pattern of the original bronze ware to further refine the wax mould;

s5 silica gel molding: finely carving and then performing range processing on the wax mould, disassembling the wax mould into a plurality of parts with proper sizes, and uniformly coating and airing the model surface of each part of wax pattern by using silica gel;

s6 silica gel susceptor: after each part of wax-shaped silica gel is formed, respectively wrapping the silica gel with gypsum slurry, and taking out the wax-shaped silica gel after solidification to form a plurality of silica gel supporting molds;

s7 rinsing wax: after the paraffin is melted into liquid, repeatedly and uniformly brushing the inner wall of the silica gel support die, and filling the whole silica gel support die to form a wax piece;

s8 assembling wax pattern: taking out the dispersed wax pieces from the silica gel support die according to the structure of the bronze ware designed originally, combining the dispersed wax pieces together, arranging a drainage rod, and fixing the drainage rod and the wax pieces by using wax strips;

s9 gypsum package type: mixing gypsum and sand into slurry according to the ratio of 1: 1-2, injecting the slurry into a movable barrel, putting the combined wax pattern into the barrel, and only exposing the drainage rod;

s10 baking lost wax: placing the condensed gypsum body into a gas type drying furnace (11) with a casting opening facing downwards for low-temperature roasting, and recovering the melted paraffin to form a mould shell in the gypsum body;

s11 smelting and casting: preparing bronze alloy according to the proportion of 75-90% of red copper and 10-25% of tin or tin lead, putting the bronze alloy into a crucible and smelting in a gas type smelting furnace (2), scooping out alloy liquid after smelting is finished, and pouring the alloy liquid into a gypsum body casting mold;

s12 cleaning gypsum: after the alloy solution is cooled, breaking the gypsum body to expose the bronze ware blank, and then cleaning;

s13 cutting off the gate: cutting off a pouring gate, a bracket and a model line remained on the bronze ware blank;

s14 grinding and polishing: polishing for multiple times by using staggered stones until the surface of the bronze ware is smooth; finely grinding and polishing by using rag, hide, polishing sand or polishing wool;

s15 distressing: performing ground color treatment on the polished bronze ware, and then performing old finishing by an electrochemical method;

and S16, checking of finished products: the test was performed from the aspects of shape, color, smell, sound, weight, residue, ornamentation, fanning and verve.

2. A smelting roasting system for carrying out the process for making an antique bronze ware according to claim 1, wherein: comprises a gas-fired smelting furnace (2), a gas-fired drying furnace (11), an ignition system and a flue gas dust cooling and filtering system; the bottom of the smelting furnace (2) is communicated with a gas mixer I (8), and the top of the smelting furnace (2) is communicated with an exhaust pipe I (3); the bottom of the drying furnace (11) is communicated with a gas mixer II (10), and the top of the drying furnace (11) is communicated with an exhaust pipe II (6); the gas mixer I (8) and the gas mixer II (10) are respectively provided with a gas inlet pipe, an air inlet pipe and an electric arc ignition device; the ignition system comprises a gasifier device (5), a blower (9) and a control box (1) for controlling ignition and combustion of gas; the outlet of the air feeder (9) is respectively communicated with the air inlet pipes of the gas mixer I (8) and the gas mixer II (10), and the air inlet pipes are sequentially provided with a stop valve and a one-way valve along the air feeding direction; a gas outlet pipe of the gasifier device (5) is respectively communicated with a gas inlet pipe of the gas mixer I (8) and a gas inlet pipe of the gas mixer II (10), and ball valves, explosion-proof electromagnetic valves and one-way valves are arranged on the gas inlet pipes along the gas transmission direction; the control box (1) is respectively and electrically connected with the arc ignition device, the explosion-proof electromagnetic valve and the air feeder (9); the flue gas and dust cooling and filtering system comprises an electromagnetic pulse dust collector (15), a heat exchange tower (14), a chimney (16) and a cooling water tank (13); the exhaust pipe I (3) and the exhaust pipe II (6) are respectively communicated with a flue gas inlet at the top of the heat exchange tower (14), a flue valve (7) is respectively arranged on the exhaust pipe I (3) and the exhaust pipe II (6), and a flue gas outlet at the bottom of the heat exchange tower (14) is sequentially communicated with an electromagnetic pulse dust collector (15) and a chimney (16) correspondingly; the utility model discloses a heat exchanger, including cooling water tank (12), blast pipe I (3) outer wall, inlet tube and outlet pipe of cooling water tank (4), cooling water tank (13) bottom is equipped with immersible pump (12), blast pipe I (3) outer wall is equipped with coolant tank (4), the inlet tube and the outlet pipe of coolant tank (4) communicate with export and cooling water tank (13) of immersible pump (12) respectively, the inlet tube and the outlet pipe of coolant tank (4) and the inlet tube and the outlet pipe of heat exchanger tower (14) all are equipped with the valve.

3. The metallurgical roasting system of claim 2, wherein: the top of the smelting furnace (2) is communicated with the bottom of the drying furnace (11) through a heat transfer pipe, and valves are arranged at two ends of the heat transfer pipe.

4. The smelting roasting system for making antique bronze wares of claim 2, which is characterized in that: the flue gas heat exchanger comprises a smoke dust collecting cover (17), wherein a bottom end pipeline of the smoke dust collecting cover (17) is communicated with a top flue gas inlet of a heat exchange tower (14), and a bottom end pipeline of the smoke dust collecting cover (17) is provided with a flue valve (7).

5. The metallurgical roasting system of claim 2, wherein: the two air blowers (9) are arranged, and outlets of the two air blowers (9) are respectively communicated with an air inlet pipe of the air mixer I (8) and an air inlet pipe of the air mixer II (10).

6. The metallurgical roasting system of claim 2, wherein: and a dust collection trolley is arranged at a dust outlet of the electromagnetic pulse dust collector (15).

7. The metallurgical roasting system of claim 2, wherein: the cooling water tank (13) contains two cooling water cabinets, the upper ends of the two cooling water cabinets are communicated, the submersible pump (12) is arranged at the bottom in one of the cooling water cabinets, and the water outlet pipe of the cooling water tank (4) and the water outlet pipe of the heat exchange tower (14) are communicated with the other cooling water cabinet respectively.

8. The metallurgical roasting system of claim 2, wherein: the gas inlet pipe of the gasifier device (5) is respectively communicated with a plurality of gas inlet branch pipes with valves, and a ball valve, a Y-shaped filter, a safety valve, a pressure regulator and a pressure gauge are sequentially arranged on the gas outlet pipe of the gasifier device (5).

9. The metallurgical roasting system of claim 2, wherein: and a plurality of gas mixers II (10) are uniformly arranged at the bottom of the drying furnace (11).

10. The metallurgical roasting system of claim 2, wherein: an exhaust fan is arranged on a pipeline communicated with the electromagnetic pulse dust collector (15) and the chimney (16).