CN112710084A

CN112710084A - Gas pipeline and using method

Info

Publication number: CN112710084A
Application number: CN202011569613.9A
Authority: CN
Inventors: 傅梅英
Original assignee: Nan'an Boming Industrial Design Co ltd
Current assignee: Nan'an Boming Industrial Design Co ltd
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2021-04-27
Also published as: CN109612105A; CN109612105B

Abstract

The invention discloses a gas pipeline and a use method thereof, the structure of the gas pipeline comprises a combustion chamber, a diffusion pipe, a flow stopping structure, a straight pipe, a contraction pipe and a nozzle, wherein the horizontal two ends of the straight pipe are respectively connected with the diffusion pipe and the contraction pipe, the diffusion pipe and the contraction pipe are both hollow structures, the height of the contraction pipe is smaller than that of the diffusion pipe, the tail end of the diffusion pipe is positioned in the combustion chamber, the nozzle is arranged in the middle of the tail end of the contraction pipe, and the flow stopping structure is arranged close to the straight pipe.

Description

Gas pipeline and using method

The invention relates to a gas pipeline branch for a gas water heater, which has the application date of 2018, 11 and 30 and the application number of CN201811450436.5 and is named as reducing speed-increasing and backflow-blocking preventing

Application for a patent.

Technical Field

The invention relates to the field of gas water heaters, in particular to a gas pipeline and a using method thereof.

Background

In the process of using the gas water heater, the water of the water heater is not hot after the switch is turned on, when the equipment has no appearance damage or obvious fault, generally, the position of a gas pipeline is the position, the pressure of the gas pipeline is low or the gas pipeline is blocked, one end of the gas pipeline is connected with a combustion chamber, because a small amount of impurities exist in the gas, substances can flow back into the combustion pipeline after combustion, the gas pipeline is blocked, the gas cannot be conveyed, the existing gas pipeline is a straight-through pipe, and once the pressure of the gas is insufficient, the entering speed becomes very slow, and the gas cannot be heated immediately.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the structure of the gas pipeline comprises a combustion chamber, a diffusion pipe, a flow stopping structure, a straight pipe, a contraction pipe and a nozzle, wherein the two horizontal ends of the straight pipe are respectively connected with the diffusion pipe and the contraction pipe, the diffusion pipe and the contraction pipe are both of hollow structures, the height of the contraction pipe is smaller than that of the diffusion pipe, the tail end of the diffusion pipe is located inside the combustion chamber, the nozzle is arranged in the middle of the tail end of the contraction pipe, the diffusion pipe is close to the straight pipe and is provided with the flow stopping structure, the diameters of the ends, which are not mechanically connected with the straight pipe, of the diffusion pipe and the contraction pipe are larger than those of the other ends of the diffusion pipe and the contraction pipe, and the diffusion pipe, the straight pipe and the contraction pipe.

As a further optimization of this technical scheme, it is equipped with lamella body, separation blade, end position circle, installation head, notch, shell to end the structure, it has a notch to open on the shell is loop configuration and the inner ring wall, all weld perpendicularly in the middle of the top is exactly about the shell inner wall and end the circle, end the circle is the loop configuration, the lamella body is the fan-shaped structure of quarter circle, both ends are equipped with the installation head about the external arc line of lamella, install the head and be located the notch, and end position circle other separation blade that is equipped with on the shell inner wall that is close to the combustion chamber, separation blade and shell adopt perpendicular welding, the thickness of separation blade is less than and ends the circle height, both ends and diffusion tube adopt interference fit about the shell.

As a further optimization of the technical scheme, the mounting head is an arc-shaped body, the upper end face and the lower end face of the mounting head are both provided with a recess, the stop ring and the recess are positioned on the same axis, and the cross section of the mounting head is in a gourd shape and used for limiting the mounting head and preventing the mounting head from being separated from the shell due to rotation and entering the combustion chamber or the straight pipe to cause blockage.

As a further optimization of the present technical solution, the thickness of the flap body is smaller than the height of the notch.

Advantageous effects

Compared with the prior art, the gas pipeline and the use method thereof have the following advantages:

1. the design of the flow stopping structure of the invention utilizes the pressure difference at the two ends of the flow stopping structure and the gravity of the flow stopping structure as the switch for opening and closing, thereby further sealing the straight pipe, avoiding that the impurity ash reversely enters the straight pipe after the combustion of the combustion chamber and can block the pipeline to convey the fuel gas for a long time.

2. The diffusion pipe, the straight pipe and the contraction pipe are matched together, the diameter is changed or contracted, the diameter is changed and the circulation is unchanged, the low-flow-rate gas entering the nozzle is rapidly improved, the gas is rapidly diffused in the combustion chamber through the diffusion pipe, the gas diffusion speed in the combustion chamber is ensured to be accelerated, the gas can be rapidly ignited and heated, and the gas can be conveyed when the pipeline pressure is not too low.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a gas pipeline and a method of using the same according to the present invention.

FIG. 2 is a schematic cross-sectional view of a gas pipeline and method of use of the invention.

FIG. 3 is a partial detailed view of a gas pipeline and method of use of the present invention.

FIG. 4 is an enlarged view of the structure A in FIG. 3 according to the present invention.

FIG. 5 is a top view of the flow stopping structure after combination.

FIG. 6 is a top view of the flow stop structure of the present invention.

In the figure: the device comprises a combustion chamber 1, a diffusion pipe 2, a flow stopping structure 3, a straight pipe 4, a contraction pipe 5, a nozzle 6, a flap body 31, a baffle 32, a stop ring 33, a mounting head 34, a notch 35 and a shell 36.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-6, the present invention provides a gas pipeline and a using method thereof, the structure of the gas pipeline comprises a combustion chamber 1, a diffusion pipe 2, a flow stopping structure 3, a straight pipe 4, a contraction pipe 5 and a nozzle 6, wherein two horizontal ends of the straight pipe 4 are respectively connected with the diffusion pipe 2 and the contraction pipe 5, the diffusion pipe 2 and the contraction pipe 5 are both hollow structures, the height of the contraction pipe 5 is smaller than that of the diffusion pipe 2, the tail end of the diffusion pipe 2 is located inside the combustion chamber 1, the nozzle 6 is installed in the middle of the tail end of the contraction pipe 5, the flow stopping structure 3 is installed on the diffusion pipe 2 close to the straight pipe 4, the diameters of the ends of the diffusion pipe 2 and the contraction pipe 5 which are not mechanically connected with the straight pipe 4 are larger than those of the other ends, and the diffusion pipe 2, the straight pipe 4 and the contraction pipe 5 are in the.

Flow stopping structure 3 is equipped with lamella body 31, separation blade 32, end position circle 33, installation head 34, notch 35, shell 36 is opened on annular structure and the inner ring wall and has a notch 35, all perpendicular welding in the middle of the top is all stopped position circle 33 about the shell 36 inner wall, end position circle 33 is the annular structure, lamella body 31 is the fan-shaped structure of quarter circle, both ends are equipped with installation head 34 about lamella body 31 outer arc line, installation head 34 is arranged in notch 35, stop position circle 33 other being equipped with separation blade 32 on the shell 36 inner wall that is close to combustion chamber 1, separation blade 32 and shell 36 adopt perpendicular welding, separation blade 32's thickness is less than end position circle 33 height, and when separation blade 32 was too high, will block lamella body 31 and turn in the combustion chamber 1, and the unable entering of gas interference, shell 36 upper and lower both ends and diffusion tube 2 adopt the cooperation.

The mounting head 34 is an arc-shaped body, and both the upper end surface and the lower end surface of the mounting head are provided with a recess, the stop ring 33 and the recess are positioned on the same axis, the cross section of the mounting head 34 is gourd-shaped and used for limiting the mounting head 34 to prevent the mounting head from separating from the shell 36 due to rotation and entering the combustion chamber 1 or the straight pipe 4 to cause blockage.

The thickness of the flap body 31 is smaller than the height of the notch 35, so that the flap body 31 is prevented from being too thick and being incapable of moving in the notch 35.

The gas is sprayed out from the nozzle 6 and enters the contraction pipe 5, if the pressure of the pipeline is not enough, the gas is in a low flow speed state, the diameter of the gas changes when the gas passes through the straight pipe 4, the flow rate is unchanged, the flow speed of the gas is rapidly increased, and the pressure of the pipeline is also rapidly increased.

The flow velocity is increased and the pressure is enhanced, the pressure difference is formed between the diffusion pipes 2 at the front and the rear of the flow stopping structure 3, the valve tips of the valve bodies 31 rotate towards the combustion chamber 1 under the condition of changing the pressure, after the four valve bodies 31 are opened, the fuel gas quickly passes through and enters the combustion chamber 1,

in the process, the stop ring 33 corresponds to the mounting head 34 in a concave manner, so that the valve body 31 cannot be separated from the notch 35 of the shell 36 due to diameter limitation in the rotation process, the valve body 31 rotates stably, secondly, most of the diffusion tube 2 is in the combustion chamber 1, the gas accelerated by the straight tube 4 reaches the diffusion tube 2, the diameter of the diffusion tube 2 is gradually increased, the diffusion range of the gas is expanded, the combustion chamber 1 is quickly filled with the gas, and the combustion chamber 1 can be ignited and uniformly generates heat when the gas is ignited.

Then nozzle 6 no longer carries the gas, and the pressure difference of both sides is unanimous around the structure of only flowing 3, and the lamella body 31 resumes the normal position under the action of its own gravity, and along with the burning of gas, the pressure of only flowing 3 both sides is positive opposite, and the lamella body 31 just begins to rotate backward toward straight tube 4 and just touches separation blade 32, can't continue to rotate, and the closed conduit, the lime-ash that impurity produced in the gas promptly can not get into in the straight tube 4, can not cause the jam.

The invention solves the problems that a small amount of impurities exist in gas, the substances flow back into a combustion pipeline after combustion to cause the blockage of the gas pipeline and the incapability of conveying the gas, the existing gas pipeline is a straight-through pipe, and the entering speed becomes extremely slow once the pressure of the gas is insufficient and the gas cannot be heated immediately.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Reducing is accelerated and is prevented backflowing gas pipeline for gas heater who blocks up, its characterized in that: the structure of the combustion chamber comprises a combustion chamber (1), a diffusion pipe (2), a flow stopping structure (3), a straight pipe (4), a contraction pipe (5) and a nozzle (6), wherein the two horizontal ends of the straight pipe (4) are respectively connected with the diffusion pipe (2) and the contraction pipe (5), the diffusion pipe (2) and the contraction pipe (5) are both of hollow structures, the tail end of the diffusion pipe (2) is located inside the combustion chamber (1), the nozzle (6) is installed in the middle of the tail end of the contraction pipe (5), the flow stopping structure (3) is installed on the diffusion pipe (2) close to the straight pipe (4), and the diffusion pipe (2), the straight pipe (4) and the contraction pipe (5) are communicated with one another in the same straight line;

end and flow structure (3) and be equipped with lamella body (31), separation blade (32), end position circle (33), installation head (34), notch (35), shell (36), it has one notch (35) to open on the annular structure and the inner ring wall shell (36), all vertical welding has end position circle (33) in the middle of the top is positive about shell (36) inner wall, lamella body (31) are the fan-shaped structure of quarter circle, both ends are equipped with installation head (34) about lamella body (31) outer camber line, installation head (34) are arranged in notch (35), and end position circle (33) other separation blade (32) are equipped with on shell (36) inner wall near combustion chamber (1), both ends and diffusion tube (2) adopt interference fit about shell (36).

2. The gas pipeline for a gas water heater with variable diameter, speed increasing and backflow blockage preventing functions as claimed in claim 1, wherein the gas pipeline comprises: the mounting head (34) is an arc-shaped body, the upper end face and the lower end face of the mounting head are both provided with a recess, the stop ring (33) and the recess are positioned on the same axis, and the cross section of the mounting head (34) is gourd-shaped.

3. The gas pipeline for a gas water heater with variable diameter, speed increasing and backflow blockage preventing functions as claimed in claim 1, wherein the gas pipeline comprises: the thickness of the flap body (31) is less than the height of the notch (35).

4. A gas pipeline and method of use according to any one of claims 1 to 3, wherein:

in the process, the stop ring (33) corresponds to the mounting head (34) in a concave manner, so that the valve body (31) cannot be separated from the notch (35) of the shell (36) due to diameter limitation in the rotation process, the valve body (31) rotates stably, secondly, most of the diffusion pipe (2) is in the combustion chamber (1), the fuel gas accelerated by the straight pipe (4) reaches the diffusion pipe (2), the diameter of the diffusion pipe (2) is gradually increased, the diffusion range of the fuel gas is expanded, the combustion chamber (1) is quickly filled, and the combustion chamber (1) can be respectively ignited to uniformly generate heat after ignition is ensured;

then nozzle (6) no longer carry the gas, the pressure difference of both sides is unanimous around the structure of only flowing (3), the lamella body (31) resumes the normal position under the action of gravity of its own, along with the burning of gas, the pressure of structure of only flowing (3) both sides is on the contrary, lamella body (31) just begins to reverse to straight tube (4) rotation and just touches separation blade (32), can't continue to rotate, the closed pipeline, during the lime-ash that impurity produced can not get into in the straight tube (4) in the gas promptly, can not cause the jam.