CN215982542U

CN215982542U - Primer penetrating head

Info

Publication number: CN215982542U
Application number: CN202121599436.9U
Authority: CN
Inventors: 陶伟
Original assignee: Chongqing Zhengchuan Pharmaceutical Packaging Materials Co ltd
Current assignee: Chongqing Zhengchuan Pharmaceutical Packaging Materials Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-03-08
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a bottom-penetrating fire head. The bottom-penetrating fire head comprises a burner, a gas pipe, a gas inlet pipe, a pressurizing gas pipe and a nozzle, wherein the burner is provided with a combustion cavity and a preheating cavity, the gas pipe and the gas inlet pipe are communicated with the combustion cavity, the nozzle is positioned at the gas outlet end of the combustion cavity, the preheating cavity is communicated with the gas outlet end of the combustion cavity, the pressurizing gas pipe is communicated with the preheating cavity, the gas pipe is used for supplying fuel to the combustion cavity, the gas inlet pipe is used for supplying oxygen to the combustion cavity, the pressurizing gas pipe is used for supplying oxygen to the preheating cavity, the preheating cavity is used for absorbing heat of the combustion cavity and preheating oxygen coming from the pressurizing gas pipe, and the preheated oxygen enters the combustion cavity to support combustion. The primer penetrating head can keep a bottom penetrating hole as a small hole, so that the air flow in the glass tube is prevented from rising, the probability of condensation of a metal oxide brought to a low-temperature part is reduced, and the water resistance is improved.

Description

Primer penetrating head

Technical Field

The utility model relates to the technical field of processing of low borosilicate glass tubes, in particular to a bottom-penetrating fire head.

Background

At present, domestic controlled antibiotic bottles are still mainly low borosilicate, and the water resistance of the produced low borosilicate controlled antibiotic bottles is easy to exceed the standard. The burning speed of the common primer-penetrating fire head is low, the primer-penetrating process melts the glass depending on the temperature of flame and the residual heat of the previous process, a small hole cannot be formed due to the surface tension of the glass after the primer is penetrated, and the hot air flow in the glass tube rises to bring the metal oxide volatilized by high temperature in the glass to a place with relatively low temperature for condensation, thereby affecting the water resistance of the glass.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-speed and high-pressure bottom-penetrating fire head.

In order to solve the above problems, the present invention provides a primer-piercing tip, which includes a burner, a gas pipe, a gas inlet pipe, a pressurized gas pipe, and a nozzle, wherein the burner has a combustion chamber and a preheating chamber, the gas pipe and the gas inlet pipe are communicated with the combustion chamber, the nozzle is located at a gas outlet end of the combustion chamber, the preheating chamber is communicated with the gas outlet end of the combustion chamber, the pressurized gas pipe is communicated with the preheating chamber, the gas pipe is used for supplying fuel to the combustion chamber, the gas inlet pipe is used for supplying oxygen to the combustion chamber, the pressurized gas pipe is used for supplying oxygen to the preheating chamber, the preheating chamber is used for absorbing heat from the combustion chamber and preheating oxygen coming from the pressurized gas pipe, and the preheated oxygen enters the combustion chamber to support combustion.

Further, the combustor includes end cover, combustion tube, connecting pipe, shell and fixed subassembly, the connecting pipe cover is established on the combustion tube, the shell cover is established on the connecting pipe, the shell forms preheating chamber with the connecting pipe, the end cover is fixed on the connecting pipe, fixed subassembly is fixed on the connecting pipe, the nozzle is fixed on fixed subassembly, combustion tube and connecting pipe all are equipped with the opening, and the oxygen after preheating gets into in the combustion tube from the opening.

Furthermore, the air inlet end of the shell is provided with a mounting hole, and the pressurizing air pipe is mounted in the mounting hole.

Further, fixed subassembly includes fixed cover, nozzle shell and temperature resistant packing ring, fixed cover is established on the connecting pipe, the nozzle shell is fixed to be sheathe in, the temperature resistant packing ring is established between fixed cover and nozzle shell, the nozzle is fixed in the nozzle shell.

Furthermore, a nozzle cavity and a flame outlet hole communicated with the nozzle cavity are arranged on the nozzle shell.

Furthermore, the device also comprises a fixed support, and the fixed support is fixed on the shell.

Furthermore, the gas pipe, the gas inlet pipe and the pressurizing gas pipe are all provided with gas connecting nozzles.

The primer penetrating head preheats oxygen from a pressurized gas pipe by using the preheating cavity, and the preheated oxygen enters the combustion cavity and is combusted secondarily with incompletely combusted gas in the combustion cavity; because the preheated oxygen has higher temperature, higher combustion speed can be obtained, and higher pressure can be obtained by secondary combustion; therefore, the bottom penetrating station is extended backwards, the bottom penetrating can still be carried out, namely after the bottom on the glass tube is properly cooled, a small hole with the diameter of 2 mm can be punched after the bottom penetrating, so that the airflow in the glass tube cannot rise smoothly, the probability of condensation of the metal oxide brought to the low-temperature part is reduced, the water resistance is improved, and the water resistance of the inner surface of the glass bottle is improved.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of the underfloor fire head of the present invention.

Fig. 2 is a side view of the primer-piercing tip of the present invention.

Fig. 3 is a partially enlarged view of a in fig. 1.

Fig. 4 is a partially enlarged view of B in fig. 1.

Detailed Description

The utility model will be further explained with reference to the drawings.

As shown in fig. 1 to 4, the preferred embodiment of the primer-piercing tip of the present invention comprises a burner 1, a gas pipe 2, an air inlet pipe 3, a pressurized gas pipe 4, a nozzle 5, and a fixing bracket 6. The combustor 1 is provided with a combustion cavity 101 and a preheating cavity 102, the gas pipe 2, the gas inlet pipe 3 and the pressurizing gas pipe 4 are all fixed on the combustor 1, the gas pipe 2, the gas inlet pipe 3 and the pressurizing gas pipe 4 are all located at the gas inlet end of the combustor 1, the gas pipe 2 and the gas inlet pipe 3 are communicated with the combustion cavity 101, the preheating cavity 102 is communicated with the gas outlet end of the combustion cavity 101, the pressurizing gas pipe 4 is communicated with the preheating cavity 102, the nozzle 5 is fixed on the combustor 1, and the nozzle 5 is located at the gas outlet end of the combustion cavity 101. The fixed support 6 is fixed on the shell 14, so that the combustor 1 is convenient to stabilize, and the combustor 1 is not easy to shake. The gas pipe 2, the gas inlet pipe 3 and the pressurizing gas pipe 4 are all provided with gas connecting nozzles 7, so that the corresponding gas sources can be connected conveniently and quickly. The gas pipe 2 is used for supplying fuel to the combustion chamber 101, the gas inlet pipe 3 is used for supplying oxygen to the combustion chamber 101, the pressurized gas pipe 4 is used for supplying oxygen to the preheating chamber 102, the preheating chamber 102 is used for absorbing heat of the combustion chamber 101 and preheating oxygen coming from the pressurized gas pipe 4, and the preheated oxygen enters the combustion chamber 101 for supporting combustion.

The burner 1 comprises an end cover 11, a combustion pipe 12, a connecting pipe 13, a shell 14 and a fixing assembly 15, wherein the connecting pipe 13 is sleeved on the combustion pipe 12, the shell 14 is sleeved on the connecting pipe 13, and the shell 14 and the connecting pipe 13 form a preheating cavity 102; the end cover 11 is screwed on the connecting pipe 13, and the gas pipe 2 and the gas inlet pipe 3 are both fixed on the end cover 11; the fixed subassembly 15 is fixed on connecting pipe 13, nozzle 5 is fixed on fixed subassembly 15, the one end and the combustion chamber 101 in-connection of nozzle 5, the other end and the external intercommunication of nozzle 5, fixed subassembly 15 and end cover 11 all are used for sealed combustion tube 12 and form combustion chamber 101 with it. Both the combustion tube 12 and the connecting tube 13 are provided with a circulation hole 121, and preheated oxygen enters the combustion tube 12 from the circulation hole 121. The air inlet end of the shell 14 is provided with a mounting hole, and the pressurized air pipe 4 is mounted in the mounting hole, so that the preheating time of oxygen in the preheating cavity 102 is prolonged, and the preheating temperature of the oxygen is increased. The two ends of the shell 14 are welded on the connecting pipe 13; the combustion tube 12 and the nozzle are made of refractory materials, such as corundum ceramic tubes, and can bear the high temperature of 2000 ℃, and the shell 14 cannot be directly fixed on the combustion tube 12 due to the fact that the combustion tube 12 and the shell 14 are made of different materials, so that the combustion tube 12 is connected with the shell 14 through the connecting tube 13. In other embodiments, the number of the flow holes 121 may be set according to the requirement, and are generally uniformly distributed on the combustion pipe 12 and the connection pipe 13.

The fixing component 15 comprises a fixing sleeve 151, a nozzle shell 152 and a temperature-resistant gasket 153, the fixing sleeve 151 is arranged on the connecting pipe 13, the nozzle shell 152 is fixed on the fixing sleeve 151 through a bolt, the temperature-resistant gasket 153 is arranged between the fixing sleeve 151 and the nozzle shell 152, and the nozzle 5 is fixed in the nozzle shell 152. Particularly, nozzle shell 152 middle part is inside sunken to form the mounting groove, temperature resistant packing ring 153 is established in the mounting groove, nozzle shell 152's mounting groove bottom is equipped with the nozzle chamber and goes out flame hole 1521 with the nozzle chamber intercommunication, nozzle 5 is established in the nozzle chamber, sets up nozzle 5 completely in nozzle shell 152, can avoid processing nozzle 5, and nozzle 5 can adopt high temperature resistant pottery to make like this. The temperature resistant gasket 153 is provided with a through hole, one end of the nozzle 5 is communicated with the combustion cavity 101 through the through hole, and the other end of the nozzle 5 is communicated with the outside through the flame outlet hole 1521. The temperature-resistant gasket 153 is used for isolating the nozzle shell 152 from the combustion tube 12, so that the nozzle shell 152 can be made of a material with relatively low heat resistance, the cost is saved, and the nozzle 5 can be fixed by the temperature-resistant gasket 153.

When in use, the fuel is ignited outside the combustor 1, namely, the combustible gas sprayed out by the nozzle 5 is ignited, and then the flame is tempered to enable the combustible gas in the combustion chamber to start to burn; when the combustion chamber and the outer shell 14 reach a certain temperature, the pressurized air pipe 4 starts to supply oxygen to the preheating cavity 102, the preheating cavity 102 preheats the oxygen coming from the pressurized air pipe 4, and the preheated oxygen enters the combustion cavity 101 to perform secondary combustion with incompletely combusted gas in the combustion cavity 101.

Because the preheated oxygen has higher temperature, higher combustion speed can be obtained, and higher pressure can be obtained by secondary combustion, and the pressure is doubled compared with the pressure of the existing primer-penetrating fire head; therefore, the bottom penetrating station is extended backwards, the bottom penetrating can be still carried out, namely after the bottom on the glass tube is properly cooled, the bottom penetrating can be carried out again, the glass tube can be penetrated, and a small hole with the diameter of 2 mm can be punched, so that the airflow in the glass tube can not smoothly rise, the condensation probability of the metal oxide which is volatilized by high temperature in the glass and flows to a low-temperature area is reduced, the probability that the metal oxide is brought to the low-temperature area for condensation is reduced, the water resistance is improved, and the water resistance of the inner surface of the glass bottle is improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.

Claims

1. A bottom-penetrating fire head is characterized in that: including combustor, gas pipe, intake pipe, pressurization trachea and nozzle, the combustor has the burning chamber and preheats the chamber, gas pipe and intake pipe and burning chamber intercommunication, the nozzle is located the end of giving vent to anger in burning chamber, preheat the chamber and the chamber end intercommunication of giving vent to anger, pressurization trachea and preheating chamber intercommunication, the gas pipe is used for providing fuel for burning the chamber, the intake pipe is used for providing oxygen for burning the chamber, the pressurization trachea is used for providing oxygen for preheating the chamber, preheat the chamber and be used for absorbing the heat in burning chamber and preheat the oxygen that comes in from the pressurization trachea, and the oxygen after preheating gets into the burning chamber and supports combustion.

2. The primer-penetrating fire head of claim 1, wherein: the combustor comprises an end cover, a combustion pipe, a connecting pipe, a shell and a fixing assembly, wherein the connecting pipe is sleeved on the combustion pipe, the shell is sleeved on the connecting pipe, the shell and the connecting pipe form a preheating cavity, the end cover is fixed on the connecting pipe, the fixing assembly is fixed on the connecting pipe, the nozzle is fixed on the fixing assembly, the combustion pipe and the connecting pipe are both provided with circulation holes, and preheated oxygen enters the combustion pipe from the circulation holes.

3. The primer-penetrating fire head of claim 2, wherein: the air inlet end of the shell is provided with a mounting hole, and the pressurizing air pipe is mounted in the mounting hole.

4. The primer-penetrating fire head of claim 2, wherein: the fixed subassembly includes fixed cover, nozzle shell and temperature resistant packing ring, fixed cover is established on the connecting pipe, the nozzle shell is fixed to be sheathe in, the temperature resistant packing ring is established between fixed cover and nozzle shell, the nozzle is fixed in the nozzle shell.

5. The primer-penetrating fire head of claim 4, wherein: and the nozzle shell is provided with a nozzle cavity and a flame outlet hole communicated with the nozzle cavity.

6. The primer-penetrating fire head of claim 1, wherein: still include the fixed bolster, the fixed bolster is fixed on the shell.

7. The primer-penetrating fire head of claim 1, wherein: and the gas pipe, the gas inlet pipe and the pressurizing gas pipe are all provided with gas receiving nozzles.