Baking gun showerhead and oxygen-enriched combustion method using same

The present invention provides a sprayer for a baking gun, and an oxygen enrichment combustion method using the sprayer. The sprayer comprises an outer layer and an inner layer which are mutually sealed by welding. The outer layer is of a housing structure and provided with a gas-jet tube. The inner layer is sleeved inside the outer layer, and a through hole is arranged thereon. The gas-jet tube of the outer layer traverses the through hole and is partly exposed outside the inner layer. The inner layer is also provided with an igniter jet orifice and an oxygen jet orifice. When the sprayer is used, the central fuel gas is fed at a low speed from the gas-jet tube. 90 to 95 percent of the total amount of the oxygen enrichment gas is sprayed at a high speed from the oxygen jet orifice, and only 5 to 10 percent remains adjacent to the fuel. The sprayer for the baking gun is simple and convenient in manufacture and reliable in use, and the novel oxygen enrichment combustion method can effectively ...

METHOD FOR PRODUCING BIG CANDLE

The big candle of the present invention is made of paraffin wax, Chinese herbs and candle core. For the candle body, cylindric and conical shapes are adopted. The cylindric candle body is divided into three segments of the same size. The upper segment has a candle core, while the middle and lower segments have holes, but no cores. The conical candle has a structure of coarse upper end and fine lower end. The method of making big candle is to mix proportionally the ground powder of Chinese herbs dried under sun light and melted paraffin wax, then stirred evenly and poured into a candle mould.

Oxygen lance Spray nozzle

The invention relates to an oxygen lance spay nozzle which comprises an oxygen lance upper part, an oxygen lance middle part and an oxygen lance lower part; wherein a plurality of oxygen through holes area arranged at the end part of the oxygen lance upper part; a plurality of laval hole copper pillars are uniformly arranged on the end part of the oxygen lance upper part and form an air current channel with the oxygen through holes; the oxygen lance middle part is arranged in the middle part of the laval hole copper pillars; the oxygen lance lower part is arranged on the external side of the lower end part of the laval hole copper pillars; all parts are not integrally arranged; the centre line of the six laval hole copper pillars and the centre line of the oxygen lance upper part are arranged in 15-45 degree way; the laval hole copper pillars and the oxygen lance lower part are integrally arranged; the inner side of the lower end part of the laval hole copper pillars is provided with a ...

LOTUS THRONE SHAPED CANDLESTICK

The candlestick in the form of a lotus flower is comprised of a candle holder and a lotus formed tray, which has three types: (A) number of petals on upper tray is less than that on lower tray, the size of petals on upper tray is also smaller; (B) nmber of petals on upper tray is less than that on lower tray, but the size of petals on upper tray is the smae as that on lower tray; (C) upper tray and lower tray have same number of petals but different sizes. The lower tray has three petal legs which form an angle of 120 deg with respect to the center of the tray, the candle holder is made up of H figured cylindrical grooves, the bottom of the grooves is made up of cross ribs and needle type holders thereon.

METHOD FOR PRODUCING BIRTHDAY CANDLE

The birthday candle of the present invention is made of paraffin wax and Chinese herbs. They are birthday candles for children, blessing candles for youth and longevity candles for the old. The birthday candles for children can be made into cylindric and conical forms with five colours respectively. The blessing candles for youth can be made into cylindric forms with normal red color. The longevity candles for the old can be made into cylindric forms with dark red color. The compounding method of birthday candles of the present invention is to mix the ground powders of Chinese herbs dried under sun light and melted paraffin wax, and then stirred evenly. Colouring agent may also be added in the mixture.

Electronic device test system

The invention provides an electronic device test system. The electronic device test system operates in a computer, and used for carrying out production test on an electronic device connected with the computer. The operating modes of the electronic device comprise a system mode and a recovery mode. The system comprises a test interface providing module and a mode switching module, wherein the test interface providing module is used for providing a test interface on the computer, and the test interface comprises a mode switching button; and the mode switching module is used for responding to an operation of clicking on the mode switching button by an operator so as to generate a mode switching command, and then sending the mode switching command to the electronic devices by virtue of the computer, so that the electronic devices are subjected to system-mode and recovery-mode switching according to the mode switching command. According to the invention, when carrying out a production test on ...

High-grade incense (pest repellant) and preparation method thereof

Ignition device for vacuum refining furnace

The invention discloses an ignition device for vacuum refining furnace with smart structure and stable quality. The ignition device is formed by the combination of an ignition head, a duct, a high-voltage ignition cable, an ignition transformer, and a lifting cylinder; the ignition head is firstly connected with the high-voltage ignition cable and then linked with the duct; the duct is an integrated seamless steel pipe; the ignition transformer is firstly connected with the high-voltage ignition cable and then linked with the duct. The device has the advantages that due to the integrated design of the ignition device, the clever structure is characterized by not needing centration, and successfully solves the problems of poor contact due to unideal centration when the imported similar equipment is installed on the steel-making site and the falling of an ignition pipe due to the jitter of equipment in the running process, thereby avoiding a series of losses; simultaneously, the installation ...

Baking gun showerhead and oxygen-enriched combustion method using same

The present invention provides a sprayer for a baking gun, and an oxygen enrichment combustion method using the sprayer. The sprayer comprises an outer layer and an inner layer which are mutually sealed by welding. The outer layer is of a housing structure and provided with a gas-jet tube. The inner layer is sleeved inside the outer layer, and a through hole is arranged thereon. The gas-jet tube of the outer layer traverses the through hole and is partly exposed outside the inner layer. The inner layer is also provided with an igniter jet orifice and an oxygen jet orifice. When the sprayer isused, the central fuel gas is fed at a low speed from the gas-jet tube. 90 to 95 percent of the total amount of the oxygen enrichment gas is sprayed at a high speed from the oxygen jet orifice, and only 5 to 10 percent remains adjacent to the fuel. The sprayer for the baking gun is simple and convenient in manufacture and reliable in use, and the novel oxygen enrichment combustion method can effectively ...

Sublance body

The invention discloses a sublance body which comprises an outer pipe, a center pipe, an inner pipe, a probe holding part, a cooling water inlet pipe, a cooling water outlet pipe and a probe compensating cable, wherein the inner pipe is sleeved in the center pipe; the center pipe is sleeved in the outer pipe; one end of the inner pipe and the center pipe are connected into a whole, and the other end of the inner pipe extends outwards after penetrating through the center pipe and the outer pipe; a clearance is arranged between both ends of the center pipe and the outer pipe and used for stretching during the thermal expansion of the center pipe and the outer pipe; the probe holding part is screwed from the lower part of the outer pipe and used for holding a probe; the cooling water inlet pipe and the cooling water outlet pipe are arranged at the upper part of the outer pipe, and an opening is arranged on the center pipe; accordingly, a space between the outer pipe and the center pipe and ...

LONG INCENSE AND ITS PREN. METHOD

The tall incense of the present invention is made of 60 kinds of Chinese herbs, adhesive materials, water and incense cores. Its head is of a normal four-edged pyramid type, and its body of a normal eight-edged cylinder type. There is a passage in the middle part of its body, with a base incense trough at the bottom. The incense cores consist of many cotton threads. The method to make the tall incense is to dry 60 kinds of herbs under the sunlight and to grind them into powder. The powders of Chinese herbs, adhesive materials and water are mixed in a definite ration and homogenously mode into a semi-paste.

Oxygen lance spray nozzle for converter

The invention discloses an oxygen lance spray nozzle for a converter, which is assembled at the air nozzle part of the rear end of an oxygen lance, and is characterized in that the oxygen lance spray nozzle comprises a spray nozzle main body communicated with the air nozzle part, a plurality of nitrogen spray pipes detachably spliced on the spray nozzle main body and a spiral vane device, whereina straight spray pipe and at least two side nozzles around the straight spray pipe are positioned in the center of the spray nozzle main body, the spiral vane device is a dish-shaped tray having a hollow cylinder with the rear end being closed, meanwhile, the upper end of the hollow cylinder is connected with the straight spray pipe in a sealing way, the lower end of the hollow cylinder is connected with the dish-shaped tray through a bearing, and 3 to 6 blade-shaped inclined steel sheets are arranged on the upper surface of the dish-shaped tray and rotate relative to the hollow cylinder. Through ...

Ignition burner of baking gun

The invention discloses an ignition burner of a baking gun, which comprises an igniting needle, a spray rod body and a gas nozzle connected into a whole through washers, igniting needle fixing bolts and fixing nuts. The spray rod body is a communicating pipe body formed by a first joint, a second joint, a third joint, a fourth joint and a fifth joint through screwed connection in sequence, the gas nozzle is sleeved on the fifth joint and stretches into the cavity of the fourth joint, and the side wall of the cavity of the fourth joint is provided with at least one air inlet; a Karwar hole structure is arranged in the cavity of the third joint; and the end part of the second joint, which is far away from the gas nozzle, is provided with a partition board part, and a plurality of through holes are evenly distributed in the partition board part. The ignition burner of the baking gun is made by respective processing and screwed connection and is convenient for the local improvement of the burner ...

Sublance body

The invention discloses a sublance body which comprises an outer pipe, a center pipe, an inner pipe, a probe holding part, a cooling water inlet pipe, a cooling water outlet pipe and a probe compensating cable, wherein the inner pipe is sleeved in the center pipe; the center pipe is sleeved in the outer pipe; one end of the inner pipe and the center pipe are connected into a whole, and the other end of the inner pipe extends outwards after penetrating through the center pipe and the outer pipe; a clearance is arranged between both ends of the center pipe and the outer pipe and used for stretching during the thermal expansion of the center pipe and the outer pipe; the probe holding part is screwed from the lower part of the outer pipe and used for holding a probe; the cooling water inlet pipe and the cooling water outlet pipe are arranged at the upper part of the outer pipe, and an opening is arranged on the center pipe; accordingly, a space between the outer pipe and the center pipe and ...

Oxygen gun water-cooling protective sleeve and method thereof

The invention discloses an oxygen gun water-cooling protective sleeve and a method thereof. The oxygen gun water-cooling protective sleeve is arranged on the furnace wall of a steel-making electric furnace, and comprises a water-cooling seat, wherein the water-cooling seat at least comprises a gun inserting hole, a water inlet, a water outlet and a cooling passage, the water inlet is arranged at one side of the gun inserting hole, the water outlet is arranged at the other side of the gun inserting hole, the water-cooling passage is connected with the water inlet and the water outlet, and the water-cooling passage is in snakelike wriggle arrangement. When the oxygen gun water-cooling protective sleeve is adopted, the shooting burning loss speed of an oxygen gun can be greatly reduced, so the cost is saved, the steel yield in unit time is increased, the processing is simple and convenient, and the popularization and the volume production can be easily realized.

Ignition device for vacuum refining furnace

The invention discloses an ignition device for vacuum refining furnace with smart structure and stable quality. The ignition device is formed by the combination of an ignition head, a duct, a high-volThe invention discloses an ignition device for vacuum refining furnace with smart structure and stable quality. The ignition device is formed by the combination of an ignition head, a duct, a high-voltage ignition cable, an ignition transformer, and a lifting cylinder; the ignition head is firstly connected with the high-voltage ignition cable and then linked with the duct; the duct is an integrattage ignition cable, an ignition transformer, and a lifting cylinder; the ignition head is firstly connected with the high-voltage ignition cable and then linked with the duct; the duct is an integrated seamless steel pipe; the ignition transformer is firstly connected with the high-voltage ignition cable and then linked with the duct. The device has the advantages that due to the integrated desiged ...

Oxygen lance spray nozzle for converter

The invention discloses an oxygen lance spray nozzle for a converter, which is assembled at the air nozzle part of the rear end of an oxygen lance, and is characterized in that the oxygen lance spray nozzle comprises a spray nozzle main body communicated with the air nozzle part, a plurality of nitrogen spray pipes detachably spliced on the spray nozzle main body and a spiral vane device, wherein a straight spray pipe and at least two side nozzles around the straight spray pipe are positioned in the center of the spray nozzle main body, the spiral vane device is a dish-shaped tray having a hollow cylinder with the rear end being closed, meanwhile, the upper end of the hollow cylinder is connected with the straight spray pipe in a sealing way, the lower end of the hollow cylinder is connected with the dish-shaped tray through a bearing, and 3 to 6 blade-shaped inclined steel sheets are arranged on the upper surface of the dish-shaped tray and rotate relative to the hollow cylinder. Through ...

Oxygen gun water-cooling protective sleeve and method thereof

The invention discloses an oxygen gun water-cooling protective sleeve and a method thereof. The oxygen gun water-cooling protective sleeve is arranged on the furnace wall of a steel-making electric furnace, and comprises a water-cooling seat, wherein the water-cooling seat at least comprises a gun inserting hole, a water inlet, a water outlet and a cooling passage, the water inlet is arranged at one side of the gun inserting hole, the water outlet is arranged at the other side of the gun inserting hole, the water-cooling passage is connected with the water inlet and the water outlet, and the water-cooling passage is in snakelike wriggle arrangement. When the oxygen gun water-cooling protective sleeve is adopted, the shooting burning loss speed of an oxygen gun can be greatly reduced, so the cost is saved, the steel yield in unit time is increased, the processing is simple and convenient, and the popularization and the volume production can be easily realized.

Water-cooling copper seat for multifunctional oxygen lance

The invention relates to a water-cooling copper seat for a multifunctional oxygen lance, which comprises a shell, a copper body, a waterslot seat, a U-shaped plate, a small barrel and a lug shell, wherein the shell is a one-piece-forged hollow body; the copper body is welded in the shell, and a mazy channel is formed between the copper body and an object; the U-shaped plate is welded at the exterior of the barrel; and a gap is formed between the U-shaped plate and the barrel. In the scheme of the invention, the shell is formed by machining after one-piece forging, thereby ensuring that cooling circulating water can not leak, and successfully solving the problem of immature technology of non-ferrous metal casting. In addition, the other components are sequentially welded on a base by an MIG welding mode, and after solution treatment is carried out, the service life can be prolonged to 12 months. The market price of the original foreign product is 180000-200000yuan RMB per piece, while the ...

INCENSE BURNER OF ELLIPSE TRIPOT SHAPE

The elliptic tripod type incense burner has three legs and two handles with an incense holder but without top cover. Its body is elliptic in shape with projecting gilded characters and patterns. There are vent holes at the bottom of the burner body. The incense holder is H figured tubular structure with grooves and a central hole. Three legs of the burner make 120 deg. angle with respect to the center of the burner. One of the legs is located on minor axis of the elliptic burner body, two handles are designed at both sides of the burner and on major axis of the burner.

Coherent jet lance

The invention discloses a coherent jet lance which is arranged on the wall of a steel-smelting electric furnace. The coherent jet lance is characterized in that the lance body of the coherent jet lance is of three sets of tubular structures which include a main oxygen spray nozzle, a gas spray nozzle and an auxiliary oxygen spray nozzle, wherein the main oxygen spray nozzle is arranged in the center, the gas spray nozzle and the auxiliary oxygen spray nozzle are sheathed at the outer layer of the main oxygen spray nozzle; the spray nozzles with different functions are welded and combined with each other; and the main oxygen spray nozzle is provided with a Laval-hole type main oxygen hole in a nozzle part. The coherent jet lance has the burner nozzle function of steel scrap preheating, the fluxing function of blowing oxygen and cutting steel scraps, the function of leading a bath to decarburize and heat up by blowing oxygen, the function of spraying powdered carbon to make foamed slag and ...

Ignition burner of baking gun

The invention discloses an ignition burner of a baking gun, which comprises an igniting needle, a spray rod body and a gas nozzle connected into a whole through washers, igniting needle fixing bolts and fixing nuts. The spray rod body is a communicating pipe body formed by a first joint, a second joint, a third joint, a fourth joint and a fifth joint through screwed connection in sequence, the gas nozzle is sleeved on the fifth joint and stretches into the cavity of the fourth joint, and the side wall of the cavity of the fourth joint is provided with at least one air inlet; a Karwar hole structure is arranged in the cavity of the third joint; and the end part of the second joint, which is far away from the gas nozzle, is provided with a partition board part, and a plurality of through holes are evenly distributed in the partition board part. The ignition burner of the baking gun is made by respective processing and screwed connection and is convenient for the local improvement of theburner ...