CN218178888U

CN218178888U - Oxy-fuel combustion baking device

Info

Publication number: CN218178888U
Application number: CN202223186071.4U
Authority: CN
Inventors: 白磊; 吕长太; 刘英武
Original assignee: Xinxiang Tianchuang Machinery Co ltd
Current assignee: Xinxiang Tianchuang Machinery Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2022-12-30
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a total oxygen burning baking equipment relates to metal heat treatment technical field. The utility model discloses a top cap, connection shell, gas pipe and support shell, the top central authorities of top cap are fixed with the connection shell, and the gas pipe includes conveyer pipe and output tube, and the top cap internal fixation has an output tube, and the connection shell link up the top and is fixed with the conveyer pipe, and the below of top cap is provided with the support shell, and the support shell is hollow structure. The utility model discloses a set up top cap, connection shell, gas pipe and support shell, flame is less difficult to the steady problem of taking away too much heat easily when leading to the fact the metal to toast inequality and exhaust gas when having solved the oxy-fuel combustion and toasting for no matter the size of flame, all can guarantee better stably, and can keep warm better when exhausting.

Description

Oxy-fuel combustion baking device

Technical Field

The utility model belongs to the technical field of metal heat treatment, especially, relate to a oxy-fuel combustion baking equipment.

Background

The total oxygen combustion means that industrial oxygen replaces air to combust fuel gas, so that the fuel gas can be combusted more completely. Oxy-fuel combustion has many advantages over air combustion: compared with air combustion, about 79% of nitrogen in the air does not participate in combustion, so that the flame temperature can be increased, nitrogen does not exist in flue gas, combustion products are triatomic products, the heat transfer effect of the triatomic substances is higher than that of diatomic substances, and the heating efficiency is improved: and nitrogen no longer participates in discharging fume, can reduce the flue gas volume by a wide margin, reduce the heat loss of discharging fume, in the metalworking process, carry out heat treatment through the gas combustion, can heat the surface fully to can not carry out thorough sealing in the furnace body, still can guarantee that the metal heat treatment in-process can not be oxidized, the sealed requirement is lower, but it still has following drawback in the in-service use:

1. in the process of total oxygen combustion baking, because the temperatures required by treatment are different during different metal heat treatment, the input quantities of different oxygen and fuel gas need to be controlled, and when the flame is too small, the position where the flame is blown into the furnace body is uncertain, so that the metal components in the furnace body are easily heated unevenly;

2. when the total oxygen burning is baked, the gas burning back produces waste gas and directly discharges, and at the exhaust in-process, a large amount of heats are derived, cause in the course of the work, need more gas and longer time just can reach the temperature of predetermineeing of thermal treatment, the extravagant energy and time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a oxy-fuel combustion baking equipment through setting up top cap, connecting shell, gas pipe and support shell, has solved the less difficult maintenance of flame when oxy-fuel combustion toasts and has caused the metal to toast uneven and arrange the waste gas when take away too much thermal problem easily.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a total oxygen burning baking equipment, including top cap, connection shell, gas pipe and support shell, the top central authorities of top cap are fixed with the connection shell, the gas pipe includes conveyer pipe and output tube, the top cap internal fixation has the output tube, the connection shell link up the top and is fixed with the conveyer pipe, the below of top cap is provided with the support shell, the support shell is hollow structure, during the use, the utility model discloses a top cap lid seals the top of furnace body on the furnace body, through connecting shell cooperation top cap with dyestuff union coupling above that, leads oxygen to between conveyer pipe and the output tube through linking the shell, provides the support for the top cap on the furnace body through the support shell to provide the position of giving vent to anger, and for providing the heat preservation of certain degree in the furnace body.

Furthermore, a heat preservation plate is fixed in the center of the bottom end face of the top cover, a fixing hole is formed in the top center of the top cover through the heat preservation plate, the upper portion of the output pipe is fixed to the upper portion of the fixing hole, and the top cover further preserves heat for the upper portion of the furnace body through the heat preservation plate.

Furthermore, the top center of the connecting shell is provided with a top hole, the conveying pipe is fixed in the top hole, and the connecting shell fixes the conveying pipe through the top hole.

Furthermore, all sides lower part of connecting the shell is annular array and has seted up the input hole, all sides lower part of connecting the shell is annular array and is fixed with the gas-supply pipe, the gas-supply pipe corresponds with the input hole position, and the connecting shell passes through input hole and gas-supply pipe intercommunication, when the gas-supply pipe carries oxygen, leads oxygen in the connecting shell.

Further, the gas pipe still includes the connecting rod, leave certain ground clearance between conveyer pipe and the output tube, be the annular array and be fixed with the connecting rod jointly on the terminal surface that conveyer pipe and output tube are close to each other for when the conveyer pipe carries high-pressure gas, when blowing the output tube with the gas, drive the oxygen in the connection shell and lead to in the output tube.

Furthermore, it has seted up the air guide hole to be annular array on the support shell inner wall, the support shell outside is annular array and has seted up the venthole, the position between venthole and the air guide hole staggers each other, the support shell top is fixed with the top cover, the top cover is fixed in the top cap outside, the bottom of support shell is fixed with the bottom ring, and the support shell leads wherein the waste gas in the furnace body through the air guide hole to derive through the venthole.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the top cap, connect shell and gas pipe, the less difficult maintenance of flame when having solved the total oxygen burning and toasting stably causes the metal to toast uneven problem, the internal diameter of conveyer pipe is less than the internal diameter of output tube, make the oxygen of leading-in the connection shell lead to between conveyer pipe and the output tube through the clearance between the connecting rod, and can take away an amount with the oxygen in the connection shell, contact with high temperature gas, make the gas lighted, make the gas during operation, produce flame blowout again in the follow top cap, and through the high pressure gas in the conveyer pipe, mix after meetting oxygen and lighted, oxygen is in the outside of gas air current, wrap up the gas better, make the burning of gas more stable.

2. The utility model discloses a set up the top cap and support the shell, take away too much thermal problem easily when having solved total oxygen burning exhaust gas when toasting, support the shell and support back on the furnace body, the back waste gas of burning in the furnace body at first supports the shell through it and leads wherein, after carrying in supporting the shell, the rethread venthole is derived for the temperature can rise in supporting the shell, reduces with the temperature difference in the furnace body, increases the heat preservation effect.

Drawings

FIG. 1 is a perspective view of the assembly structure of the present invention;

FIG. 2 is a perspective view of the top cover structure of the present invention;

FIG. 3 is a perspective view of the connecting shell structure of the present invention;

FIG. 4 is a perspective view of the structure of the gas pipe of the present invention;

fig. 5 is a perspective view of the supporting shell structure of the present invention.

Reference numerals are as follows:

100. a top cover; 101. a thermal insulation plate; 102. a fixing hole; 200. a connecting shell; 201. a top hole; 202. an input aperture; 203. a gas delivery pipe; 300. a gas pipe; 301. a delivery pipe; 302. a connecting rod; 303. an output pipe; 400. a support housing; 401. an air outlet; 402. an air vent; 403. a bottom ring; 404. and (6) jacking and sleeving.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention relates to a total oxygen combustion baking apparatus, including a top cover 100, a connecting shell 200, a gas pipe 300 and a supporting shell 400, the top center of the top cover 100 is fixed with the connecting shell 200, the top cover 100 provides a sealing function of a furnace body, the connecting shell 200 is used for providing a transfer position for oxygen transportation, the gas pipe 300 includes a conveying pipe 301 and an output pipe 303, the top cover 100 is fixed with the output pipe 303, the connecting shell 200 has a through top fixed with a conveying pipe 301, the top end of the conveying pipe 301 is communicated with a pipeline for conveying combustible gas such as methane, a mixed gas obtained by mixing oxygen in the connecting shell 200 and gas in the conveying pipe 301 is ignited and guided to a fixed hole 102 through the conveying pipe 301, the supporting shell 400 is arranged below the top cover 100, the supporting shell 400 is of a hollow structure, the top cover 100 is supported on the furnace body through the supporting shell 400, and the hollow structure of the supporting shell 400 is used for further providing a heat preservation function in the exhaust process of the furnace body.

As shown in figures 1 and 2, a heat preservation disc 101 is fixed in the center of the bottom end face of a top cover 100, the top cover 100 further provides a heat preservation function for the top of the furnace body through the heat preservation disc 101, a fixing hole 102 is formed in the center of the top cover 100 and penetrates through the heat preservation disc 101, the upper portion of an output pipe 303 is fixed to the inner upper portion of the fixing hole 102, fuel gas is combusted in the output pipe 303 to generate flame, and the flame is further guided into the furnace body when passing through the fixing hole 102.

As shown in fig. 1 and 3, a top hole 201 is formed in the center of the top of the connecting shell 200, the conveying pipe 301 is fixed in the top hole 201, and the connecting shell 200 fixes the conveying pipe 301 through the top hole 201.

As shown in fig. 1 and 3, the circumferential lower part of the connecting shell 200 is an annular array and is provided with input holes 202, the circumferential lower part of the connecting shell 200 is an annular array and is fixed with gas pipes 203, the gas pipes 203 correspond to the input holes 202, when the connecting shell works, one ends of the gas pipes 203 far away from the connecting shell 200 are communicated with a pipeline of oxygen conveying equipment, oxygen is guided into the input holes 202 on the connecting shell 200 through the gas pipes 203 and then into the connecting shell 200, so that the pressure of the oxygen in the connecting shell 200 is smaller than the conveying pressure of gas in the gas pipe 300, and when the gas is blown into the output pipe 303 from the conveying pipe 301, the oxygen in the connecting shell 200 is conveyed into the output pipe 303.

As shown in fig. 1 and 4, the gas pipe 300 further includes a connecting rod 302, a certain gap is left between the delivery pipe 301 and the output pipe 303, the connecting rods 302 are jointly fixed on the mutually adjacent end surfaces of the delivery pipe 301 and the output pipe 303 in an annular array, the inner diameter of the delivery pipe 301 is smaller than the inner diameter of the output pipe 303, so that oxygen introduced into the connecting shell 200 is guided between the delivery pipe 301 and the output pipe 303 through the gap between the connecting rods 302, and oxygen in the connecting shell 200 can be taken away by a certain amount to be in contact with high-temperature gas, so that the gas is ignited.

As shown in fig. 1 and 5, the inner wall of the supporting shell 400 is provided with air holes 402 in an annular array, the outer side of the supporting shell 400 is provided with air holes 401 in an annular array, positions between the air holes 401 and the air holes 402 are staggered, after the supporting shell 400 is supported on a furnace body, exhaust gas generated by combustion in the furnace body is firstly guided into the supporting shell 400 through the supporting shell 400, and is conveyed in the supporting shell 400 and then guided out through the air holes 401, so that the temperature in the supporting shell 400 is increased, the temperature difference between the exhaust gas and the temperature in the furnace body is reduced, the heat insulation effect is improved, a top sleeve 404 is fixed at the top of the supporting shell 400, the top sleeve 404 is fixed at the outer side of a top cover 100, the supporting shell 400 is connected with the top cover 100 through the top sleeve 404, and provides heat insulation for the space below the top cover 100 above the supporting shell 400, a bottom ring 403 is fixed at the bottom of the supporting shell 400, and the bottom ring 403 is sleeved at the outer side of the furnace body, so that the supporting shell 400 can be stably supported on the furnace body.

The utility model discloses a concrete theory of operation does: when the furnace is in operation, the lifting mechanism fixed on the top of the top cover 100 drives the top cover 100 to move downwards to the upper part of the furnace body, and then drives the top cover 100 to move downwards, so that the support shell 400 is supported on the furnace body, the bottom ring 403 is sleeved on the outer side of the furnace body, and then gas transmission can be started, at this time, the oxygen transmission equipment is started firstly, oxygen is guided into the connection shell 200 through the gas transmission pipe 203, and is guided into the output pipe 303 through the gap between the transmission pipe 301 and the output pipe 303. Then the gas is guided into the fixing hole 102 on the top cover 100 through the output pipe 303, the equipment for conveying the gas is started, the gas is guided into the conveying pipe 301 through the gas pipe 300 and then blown into the output pipe 303, in the process, the oxygen in the connecting shell 200 is driven by the high-pressure gas to be in an appropriate amount into the output pipe 303, the gas is ignited in the output pipe 303, the gas is guided out of the furnace body through the fixing hole 102 on the top cover 100 and is combusted in the furnace body, the generated waste gas rises to the bottom of the top cover 100, the gas guide hole 402 on the supporting shell 400 is guided into the supporting shell 400, after the temperature in the supporting shell 400 is increased, the gas is guided out through the gas outlet hole 401, so that the difference between the temperature in the supporting shell 400 and the temperature in the furnace body is reduced when the gas is discharged, and the heat insulation effect is increased.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims

1. A oxy-fuel combustion roasting apparatus comprising a top cover (100), a connecting shell (200), a gas pipe (300) and a supporting shell (400), characterized in that: the top central authorities of top cap (100) are fixed with connects shell (200), gas pipe (300) are including conveyer pipe (301) and output tube (303), top cap (100) internal fixation has output tube (303), it is fixed with conveyer pipe (301) to connect shell (200) to link up the top, the below of top cap (100) is provided with supports shell (400), it is hollow structure to support shell (400).

2. The oxy-fuel combustion roasting apparatus of claim 1, wherein: the heat preservation plate (101) is fixed in the center of the bottom end face of the top cover (100), a fixing hole (102) is formed in the top center of the top cover (100) in a penetrating mode through the heat preservation plate (101), and the upper portion of the output pipe (303) is fixed to the inner upper portion of the fixing hole (102).

3. The oxy-fuel combustion roasting apparatus of claim 1, wherein: the top center of the connecting shell (200) is provided with a top hole (201), and the conveying pipe (301) is fixed in the top hole (201).

4. The oxy-fuel combustion roasting apparatus of claim 1, wherein: the connecting shell (200) is characterized in that the lower part of the periphery of the connecting shell (200) is in an annular array, and input holes (202) are formed in the lower part of the periphery of the connecting shell (200), gas conveying pipes (203) are fixed to the lower part of the periphery of the connecting shell (200) in an annular array, and the gas conveying pipes (203) correspond to the input holes (202) in position.

5. The oxy-fuel combustion roasting apparatus of claim 1, wherein: the gas pipe (300) further comprises a connecting rod (302), a certain gap is reserved between the conveying pipe (301) and the output pipe (303), and the connecting rod (302) is jointly fixed on one end face, close to each other, of the conveying pipe (301) and the output pipe (303) in an annular array mode.

6. The oxy-fuel combustion roasting apparatus of claim 1, wherein: support and be on shell (400) inner wall that the annular array has seted up air guide hole (402), support shell (400) outside and be annular array and seted up venthole (401), the position between venthole (401) and air guide hole (402) staggers each other, support shell (400) top is fixed with top cover (404), top cover (404) are fixed in top cap (100) outside, the bottom of supporting shell (400) is fixed with bottom ring (403).