CN203715476U - Longitudinal-flame one-kiln multi-line energy-saving environment-friendly glass bottle melting kiln - Google Patents

Abstract

The utility model relates to a longitudinal-flame one-kiln multi-line energy-saving environment-friendly glass bottle melting kiln, and aims at solving the problem of high energy consumption in the prior art. The longitudinal-flame one-kiln multi-line energy-saving environment-friendly glass bottle melting kiln comprises a melting tank, a small furnace or a combustor, a heat accumulation chamber and terminally arranged feed inlets, wherein the melting tank is used for melting a glass bottle material; the small furnace or the combustor and the heat accumulation chamber provided with a reverser are configured on two short edges of the rectangular melting kiln; the terminally arranged feed inlets are configured on both ends of two long edge breast walls of the rectangular melting kiln; the intermediate part of the melting tank is provided with two horizontal partition walls horizontally arranged and used for obstructing molten glass from directly flowing to the intermediate part of the melting tank; liquid flow holes communicated with the melting tanks positioned at both sides of the horizontal partition walls are formed at the lower sides of the horizontal partition walls; a discharge port is arranged on the melting tank edge wall, which is positioned between the horizontal partition walls, of the melting tank. The longitudinal-flame one-kiln multi-line energy-saving environment-friendly glass bottle melting kiln disclosed by the utility model enhances the flame utilization ratio, reduces the dust pollution, greatly enhances the quality of a glass bottle, prolongs the service life of the melting kiln and is energy-saving and environment-friendly.

Description

Longitudinal flame one kiln multi-line energy saving and environmental protection glass wine bottle melting kiln

technical field

The utility model relates to equipment for smelting and producing glass wine bottles, in particular to a longitudinal flame one kiln multi-line energy-saving and environment-friendly glass wine bottle melting kiln.

Background technique

The glass wine bottle melting kiln traditionally used to produce glass wine bottles is a horseshoe flame kiln. After investigation by the inventor, it is found that there are problems such as high energy consumption and dust pollution of raw materials.

Contents of the invention

The purpose of the utility model is to overcome the above-mentioned defects of the prior art, and provide a longitudinal flame one kiln multi-line energy-saving and environment-friendly glass wine bottle melting kiln.

In order to achieve the above purpose, the utility model longitudinal flame one kiln multi-line energy-saving and environment-friendly glass wine bottle melting kiln includes a melting pool and a kiln roof for melting glass wine bottle materials, as well as a parapet connecting the kiln roof and the melting pool, a feeding port and a feeding port. The chest wall is equipped with small furnaces or burners and regenerators with commutators (or reversing valves); the two short breast walls of the rectangular melting furnace with long longitudinal length and short horizontal width are equipped with relatively distributed small furnaces or burners and accessories. There is a regenerator with a commutator, and the two long side parapets of the rectangular melting furnace are equipped with feeding ports at the ends; the middle of the melting pool is provided with two horizontal lines to prevent the glass liquid from flowing directly to the middle of the melting pool. Wall, below the horizontal partition wall, there is a flow hole connecting the melting pools on both sides of the horizontal partition wall (guiding the glass liquid to the middle of the melting pool), and the material intake port is set on the side wall of the melting pool where the melting pool is located between the horizontal partition walls . With such a design, due to the long flame path and no need to turn, it avoids the flame directly burning the parapet, has the advantages of uniform heat transfer, high thermal efficiency, significantly reduced energy consumption and extended service life.

As an optimization, the longitudinal length of the rectangular melting furnace is 20-90 meters, and the depth of the melting pool is 0.2-0.9m; the bottom of the melting pool is the bottom of the strong heat preservation pool; the middle of the melting pool is provided with a horizontal wall that separates glass liquids of different formulas on both sides. Partition wall; one or more parallel flow holes are arranged under each horizontal partition wall.

As an optimization, the top-to-bottom hierarchical structure of the strong thermal insulation pool bottom includes electro-fused brick layer, ramming material layer, high-alumina brick layer, clay brick layer and thermal insulation brick layer; The depth of the pool area is less than the depth of the melting pool area at both ends located on the outside of the transverse partition wall; the transverse partition wall is a straight line transverse partition wall or a curved transverse partition wall directly reaching the side walls of the melting pool on both sides, and each transverse partition wall is set under Multiple juxtaposed flow holes.

As an optimization, the depth of the melting pool area in the middle between the transverse partition walls is 0.2-0.3m, and the depth of the melting pool areas at both ends outside the transverse partition walls is about 0.9m; The distance between the liquid surfaces is about 5CM; the curved transverse partition wall is that the two ends of the transverse partition wall are respectively connected to the side wall of the melting pool through symmetrical turning heads, and the liquid flow hole is arranged at the side wall except the turning heads at both ends. Below the middle section of the transverse partition wall parallel to the middle section of the transverse partition wall. A plurality of juxtaposed liquid flow holes arranged under each transverse partition wall are larger as they are farther from the material intake, and smaller as they are closer.

As an optimization, the curved transverse partition wall is composed of a middle section parallel to the transverse partition wall and two end sections and two longitudinal sections connecting the middle section and both end sections, and the two ends of the middle section are respectively connected to the two end sections through longitudinal section groups, The two end sections are connected to the side wall of the melting pool; a feeding port is respectively arranged on the side wall of the melting pool opposite to the two longitudinal sections; the liquid flow hole close to the feeding port is small, and the liquid flow hole far away from the feeding port is large.

As an optimization, the two flow holes are arranged side by side; the hierarchical structure at the bottom of the melting pool between the longitudinal section and the transverse partition wall includes, from top to bottom, a layer of electric fused bricks, a layer of ramming material, and a layer of high alumina bricks and clay brick layer; the side wall of the melting pool is at the same height as the horizontal partition wall and the horizontal partition wall.

As an optimization, the two ends of the two long breast walls of the rectangular melting furnace are equipped with two end feeding ports distributed diagonally or a total of four opposite side-by-side feeding ports; the feeding ports are further connected to the glass wine bottle forming machine ; The feeding port is a trumpet-shaped thin-layer feeding port with a wide front end and a narrow rear end; the feeding port is a feeding pre-melting chamber equipped with electrified heating pre-melting equipment. The main feed channel and the feed channel are preferably equipped with heating equipment, and the heating equipment is preferably electric heating equipment. The glass wine bottle forming machine is further connected to a glass tempering heat treatment furnace (or equipment) or glass tempering equipment (also called glass bottle tempering heat treatment furnace or glass bottle tempering equipment).

As an optimization, the feeding port is connected to the glass wine bottle forming machine through a main forehearth and a distribution channel. The feed port is a bell-shaped thin-layer feed port with a wide front end and a narrow rear end, which can introduce flames into the bell mouth for pre-melting glass frit, preventing blockage of the feed port and improving melting efficiency and flame utilization intensity; the feed port It is equipped with a feeding pre-melting chamber with electric heating pre-melting equipment to ensure that the surface of the raw material entering the kiln is in a molten state to prevent dust pollution.

As an optimization, the electric heating pre-melting equipment includes a silicon carbide rod above the material layer that melts the surface layer of the glass material by radiating heat to the surface layer of the glass material; The forehearth is connected with the glass wine bottle forming machine.

As an optimization, the electric heating pre-melting equipment also has a molybdenum electrode arranged in the glass frit layer, which can prevent the feeding port from being blocked by pre-melting.

The utility model is a longitudinal flame melting furnace (melting furnace part) which utilizes a rectangular melting furnace with long vertical length and short horizontal direction, and two short side parapets are equipped with relatively distributed small furnaces, combustion systems, regenerators, commutators, and timing reversing. . The long-diameter longitudinal flame melts and heats the glass frit in the melting furnace pool. The melting pool is divided into four pools and six areas by setting three partition walls horizontally in the melting furnace. It is a new type of melting furnace that takes molten glass and configures a feeding port at both ends of the two long side parapets of the rectangular melting furnace to feed materials, so as to achieve the goals of energy saving, environmental protection, high quality and prolonging the service life of the melting furnace.

It is to change the traditional horseshoe flame furnace (the flame of the horseshoe flame furnace stays in the melting pool for about a second) into a longitudinal flame furnace. The longitudinal flame stroke length is 20M-90M, (the length of the flame is determined according to the output of the furnace according to the customer's requirements). The flame stays in the melting pool for about five seconds to realize the full use of heat energy, which is about 25% more energy-saving than the horseshoe flame flame kiln.

It is to set a bell-shaped thin-layer feeding port with a wide front end and a narrow rear end on each of the two long sides of the breast wall of the rectangular melting furnace. A molybdenum electrode is placed in the material layer to electrically heat the raw material, and a silicon carbide rod is placed on the upper part of the feeding port to heat and pre-melt the surface of the raw material, so that there is basically no dust pollution of glass raw materials, and the emission of dust pollutants is reduced by about 95%. According to the energy saving of about 25% in claim 2, the emission of carbon dioxide and sulfur dioxide pollutants can be relatively reduced by about 25%, and the emission of dust pollutants can be reduced by about 95%.

It divides the rectangular melting pool into four pools and six areas by setting three horizontal partition walls in the middle of the melting pool, with one high-temperature melting pool (melting area) on each side of the two ends, and one row on each side of the horizontal middle of the rectangular middle. Bubble pool (for the bubble exhaust area). A cooling zone is set at one end of each air bubble exhausting zone (transverse direction of the melting furnace) and at the charging port. A large (90% material passes through) and a small (10% material passes through) flow hole is respectively set at the bottom of the transverse partition wall on both sides. On the one hand, the scum is kept in the melting zone, on the other hand, 90% of the material is far away from the feeding port, and the glass liquid fully discharges the air bubbles in the micro-pressure shallow area. The small liquid hole (10% passing material) makes the two melting zones have no dead material, which greatly improves the quality of the molten glass. The function of the middle partition wall of the three horizontal partition walls: it can control the direction of the glass liquid and fully discharge the air bubbles. The height of the three transverse partition walls is consistent with the pool wall bricks in the melting pool (electric fused bricks). It can not only block the glass liquid, but also allow the longitudinal flame to pass through the melting furnace smoothly.

The heat energy is consumed by adopting the longitudinal flame staying in the furnace for a long time. The temperature of the flame entering the regenerator is about 1000 degrees, which is about 300 degrees lower than that of the regenerator of the horseshoe kiln. The temperature of the regenerator is low and the service life is long. Another feature of the invention is that the melting area is wide, the discharge rate is low, and the melting temperature is designed to be about 1520 degrees, which can extend the service life of the melting furnace by about one time (about 15 years) compared with the traditional melting furnace (same material).

It is to set a cooling zone at one end of each bubble exhaust area (referring to the lateral direction of the melting pool) and the material inlet, and the glass liquid is cooled and then passed through the material inlet to form. One material intake on one side or one material intake on both sides is set in the middle of the long side of the melting pool, so as to realize single-line output from one kiln or multi-line output from one kiln.

That is to say, the utility model changes the traditional horseshoe flame kiln into a longitudinal flame, the depth of the melting pool is determined according to the melting point of the raw material into the furnace, the feeding adopts the horizontal side premelting method, and the horizontal middle part is single-line or both sides are multi-line forming. Compared with traditional horseshoe-shaped furnaces, it can save energy by more than 30%, reduce _CO2 and _SO2 emissions by more than 30%, reduce raw material dust and particle emissions by more than 95%, greatly improve the quality of glass wine bottles, and extend the service life of furnaces by more than two times.

After adopting the above technical scheme, the utility model longitudinal flame one kiln multi-line energy saving and environmental protection glass wine bottle melting furnace has the advantages of improving flame utilization rate, reducing dust pollution, greatly improving the quality of glass wine bottle, prolonging the service life of melting furnace, energy saving and environmental protection .

Description of drawings

Fig. 1 is a structural schematic diagram of a utility model longitudinal flame one kiln multi-line energy-saving and environment-friendly glass wine bottle melting kiln.

Detailed ways

As shown in the figure, the longitudinal flame one-kiln multi-line energy-saving and environment-friendly glass wine bottle melting furnace of the present utility model includes a melting pool 1, a kiln roof, a breast wall connecting the kiln roof and the melting pool, a feeding port 2 and a material taking port 3, and the breast wall is equipped with A small furnace 4 (or burner) and a regenerator 5 with a commutator, specifically, the parapet is connected to the regenerator 5 equipped with a commutator through the small furnace 4; The chest wall is equipped with relatively distributed small furnaces 4 and regenerators 5 equipped with commutators. The longitudinal length of the rectangular melting furnace is 20-90 meters, and the depth of the melting pool is 0.2-0.9 m.

The bottom of the melting pool is the bottom of the strong heat preservation pool; the hierarchical structure of the bottom of the strong heat preservation pool from top to bottom successively includes a layer of electric fused bricks, a layer of ramming material, a layer of high alumina bricks, a layer of clay bricks and a layer of heat preservation bricks;

The middle part of the melting pool 1 is provided with two horizontal lines for preventing the glass liquid from flowing directly to the horizontal partition wall 6 in the middle of the melting pool 1, and the horizontal partition wall 6 is provided with flow holes 8 connecting the melting pools on both sides of the horizontal partition wall. The material intake port 3 is arranged on the side wall of the melting pool 1 between the transverse partition walls. The middle of the melting pool 1 is provided with a transverse partition wall 9 for separating glass liquids of different formulations on both sides; two side-by-side flow holes 8 are arranged under each transverse partition wall 6 . The depth of zone 1 of the melting pool in the middle between the transverse partition walls 6 is less than the depth of zone 1 of the melting pool at both ends located outside the transverse partition walls 6; the transverse partition wall 9 is a curved transverse partition wall directly reaching the side walls of the melting pool on both sides (or linear horizontal partition wall). The curved transverse partition wall is that the two ends of the transverse partition wall are respectively connected to the side wall of the melting pool through symmetrical turning heads, and the liquid flow hole 8 is arranged at a transverse interval parallel to the middle section of the transverse partition wall 9 except for the turning heads at both ends. Below the middle section of wall 6. The curved transverse partition wall 9 is composed of a middle section parallel to the transverse partition wall 6 and two end sections and two longitudinal sections connecting the middle section and the two end sections. The end section is connected to the side wall of the melting pool; the side walls of the melting pool 1 opposite to the two longitudinal sections are respectively provided with a feeding port; Preferably, the ratio of the cross-sectional area of the flow hole close to the material intake 3 to the cross-sectional area of the flow hole away from the material intake is about 1:9; It includes fused brick layer, ramming material layer, high alumina brick layer and clay brick layer successively from bottom to bottom; the side wall of the melting pool 1 is of the same height as the transverse partition wall 6 and the transverse partition wall 9 .

Preferably, the depth of the central melting pool area between the transverse partition walls is 0.2-0.3m, and the depth of the melting pool areas at both ends outside the transverse partition wall is about 0.9m; the distance between the transverse partition wall and the liquid surface of the glass is About 5CM.

The two ends of the two long side parapets of the rectangular melting furnace are arranged with four relatively side-by-side end feed ports 2 (or two end feed ports distributed diagonally). Each of the feeding ports 3 is further connected to the glass wine bottle molding machine 7 by a main forehearth 70 and five halved forehearths 71 in the same direction as the main forehearth (finally, each forehearth 7 is connected to a glass Wine bottle forming machine 7). Preferably, the glass wine bottle forming machine is further connected with a glass tempering heat treatment furnace (or equipment) or glass tempering equipment (also called glass bottle tempering heat treatment furnace or glass bottle tempering equipment).

The feeding port 2 is a trumpet-shaped thin-layer feeding port with a wide front end and a narrow rear end; the feeding port 2 is a feeding pre-melting chamber equipped with electrified heating pre-melting equipment; The radiant heat of the material surface layer melts the silicon carbide rod above the material layer of the glass material surface layer and the molybdenum electrode arranged in the glass material layer.

The utility model is a longitudinal flame melting furnace (melting furnace part) which utilizes a rectangular melting furnace with long vertical length and short horizontal direction, and two short side parapets are equipped with relatively distributed small furnaces, combustion systems, regenerators, commutators, and timing reversing. . The long-diameter longitudinal flame melts and heats the glass frit in the melting furnace pool. The melting pool is divided into four pools and six areas by setting three partition walls horizontally in the melting furnace. It is a new type of melting furnace that takes molten glass and configures a feeding port at both ends of the two long side parapets of the rectangular melting furnace to feed materials, so as to achieve the goals of energy saving, environmental protection, high quality and prolonging the service life of the melting furnace.

It is to change the traditional horseshoe flame furnace (the flame of the horseshoe flame furnace stays in the melting pool for about a second) into a longitudinal flame furnace. The longitudinal flame stroke length is 20M-90M, (the length of the flame is determined according to the output of the furnace according to the customer's requirements). The flame stays in the melting pool for about five seconds to realize the full use of heat energy, which is about 25% more energy-saving than the horseshoe flame flame kiln.

It is to set a bell-shaped thin-layer feeding port with a wide front end and a narrow rear end on each of the two long sides of the breast wall of the rectangular melting furnace. A molybdenum electrode is placed in the material layer to electrically heat the raw material, and a silicon carbide rod is placed on the upper part of the feeding port to heat and pre-melt the surface of the raw material, so that there is basically no dust pollution of glass raw materials, and the emission of dust pollutants is reduced by about 95%. According to the energy saving of about 25% in claim 2, the emission of carbon dioxide and sulfur dioxide pollutants can be relatively reduced by about 25%, and the emission of dust pollutants can be reduced by about 95%.

It divides the rectangular melting pool into four pools and six areas by setting three horizontal partition walls in the middle of the melting pool, with one high-temperature melting pool (melting area) on each side of the two ends, and one row on each side of the horizontal middle of the rectangular middle. Bubble pool (for the bubble exhaust area). A cooling zone is set at one end of each air bubble exhausting zone (transverse direction of the melting furnace) and at the charging port. A large (90% material passes through) and a small (10% material passes through) flow hole is respectively set at the bottom of the transverse partition wall on both sides. On the one hand, the scum is kept in the melting zone, on the other hand, 90% of the material is far away from the feeding port, and the glass liquid fully discharges the air bubbles in the micro-pressure shallow area. The small liquid hole (10% passing material) makes the two melting zones have no dead material, which greatly improves the quality of the molten glass. The function of the middle partition wall of the three horizontal partition walls: it can control the direction of the glass liquid and fully discharge the air bubbles. The height of the three transverse partition walls is consistent with the pool wall bricks in the melting pool (electric fused bricks). It can not only block the glass liquid, but also allow the longitudinal flame to pass through the melting furnace smoothly.

The heat energy is consumed by adopting the longitudinal flame staying in the furnace for a long time. The temperature of the flame entering the regenerator is about 1000 degrees, which is about 300 degrees lower than that of the regenerator of the horseshoe kiln. The temperature of the regenerator is low and the service life is long. Another feature of the invention is that the melting area is wide, the discharge rate is low, and the melting temperature is designed to be about 1520 degrees, which can extend the service life of the melting furnace by about one time (about 15 years) compared with the traditional melting furnace (same material).

It is to set a cooling zone at one end of each bubble exhaust area (referring to the lateral direction of the melting pool) and the material inlet, and the glass liquid is cooled and then passed through the material inlet to form. One material intake on one side or one material intake on both sides is set in the middle of the long side of the melting pool, so as to realize single-line output from one kiln or multi-line output from one kiln.

The utility model is to change the traditional horseshoe flame kiln into a vertical flame, the depth of the melting pool is determined according to the melting point of the raw material into the furnace, the feeding adopts the horizontal side pre-melting method, and the horizontal middle part is single-line or both sides are multi-line forming. Compared with traditional horseshoe-shaped furnaces, it can save energy by more than 30%, reduce _CO2 and _SO2 emissions by more than 30%, reduce raw material dust and particle emissions by more than 95%, greatly improve the quality of glass wine bottles, and extend the service life of furnaces by more than two times.

Claims (9)

1. A longitudinal flame one-kiln multi-line energy-saving and environment-friendly glass wine bottle melting kiln, characterized in that it includes a melting pool and a kiln roof for melting glass wine bottle material, and a parapet connecting the kiln roof and the melting pool, a feeding port and a material withdrawal The chest wall is equipped with a small furnace or burner and a regenerator with a commutator; the two short sides of the breast wall of a rectangular melting furnace that is long in length and short in width are equipped with relatively distributed small furnaces or burners and a regenerator with a commutator. In the hot chamber, the two long parapets of the rectangular melting furnace are equipped with end-mounted feed ports; the middle of the melting pool is provided with two horizontal partition walls for preventing the glass liquid from flowing directly to the middle of the melting pool. A flow hole connecting the melting pools on both sides of the transverse partition wall is provided, and the feeding port is arranged on the side wall of the melting pool where the melting pool is located between the transverse partition walls; The two ends of the two long side parapets of the rectangular melting furnace are equipped with two end feeding ports distributed diagonally or a total of four opposite side-by-side feeding ports; the feeding ports are further connected to the glass wine bottle forming machine; the The feeding port is a trumpet-shaped thin-layer feeding port with a wide front end and a narrow rear end; the feeding port is a feeding pre-melting chamber equipped with electrified heating pre-melting equipment. the 2. The melting furnace according to claim 1, characterized in that the longitudinal length of the rectangular melting furnace is 20-90 meters, and the depth of the melting pool is 0.2-0.9m; the bottom of the melting pool is a strong heat preservation pool bottom; the middle of the melting pool is Horizontal partition walls are arranged to separate glass liquids of different formulations on both sides of the partition; one or more parallel liquid flow holes are arranged under each horizontal partition wall. the 3. The melting furnace according to claim 2, characterized in that the layered structure of the bottom of the strong heat preservation pool from top to bottom successively includes a layer of electric fused bricks, a layer of ramming material, a layer of high alumina bricks, a layer of clay bricks and heat preservation bricks layer; the depth of the melting pool area in the middle between the transverse partition walls is less than the depth of the melting pool areas at both ends located outside the transverse partition wall; the transverse partition wall is a linear transverse partition wall or a curved line that directly reaches the side walls of the melting pool on both sides For the horizontal partition wall, a plurality of juxtaposed liquid flow holes are arranged under each horizontal partition wall. the 4. The melting furnace according to claim 3, characterized in that the depth of the central melting pool area between the transverse partition walls is 0.2-0.3m, and the depth of the melting pool areas at both ends of the lateral partition wall is about 0.9m; The distance between the horizontal partition wall and the top of the horizontal partition wall and the glass liquid surface is about 5CM; The hole is arranged below the middle section of the transverse partition wall parallel to the middle section of the transverse partition wall except the corners at both ends. the 5. The melting furnace according to claim 4, wherein the curved transverse partition wall is composed of a middle section and two end sections parallel to the transverse partition wall and two longitudinal sections connecting the middle section and two end sections, the middle section has two The two ends are respectively connected to the two end sections through the longitudinal section group, and the two end sections are connected to the side wall of the melting pool; a feeding port is respectively set on the side wall of the melting pool opposite to the two longitudinal sections; the flow hole near the feeding port is small, far away from the The flow hole of the feed port is large. the 6. The melting furnace according to claim 5, characterized in that the two liquid flow holes are arranged side by side; the hierarchical structure at the bottom of the melting pool between the longitudinal section and the transverse partition wall includes the electric melting furnace from top to bottom. A brick layer, a ramming material layer, a high alumina brick layer and a clay brick layer; the side wall of the melting pool is of the same height as the transverse partition wall and the transverse partition wall. the 7. The melting furnace according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that the material intake port is connected to the glass wine bottle forming machine through a main feedway and a distribution channel. the 8. The melting furnace according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that the electric heating pre-melting equipment includes a silicon carbide rod above the material layer that melts the surface layer of the glass material by radiating heat to the surface layer of the glass material ; The feeding port is connected to the glass wine bottle forming machine through a main feedway and five sub-feeders in the same direction as the main feeder. the 9. The melting furnace according to claim 8, characterized in that the electric heating pre-melting equipment also has a molybdenum electrode arranged in the glass frit layer. the