阅读说明：本技术 氮化硅辐射管 (Silicon nitride radiant tube ) 是由 陈巨喜 曾小锋 于 2019-11-25 设计创作，主要内容包括：本发明提供一种氮化硅辐射管。所述氮化硅辐射管包括：管体,所述管体包括外管和内管,所述内管的内部设置有燃烧室,并且内管的底部固定连接有放火网；进气组件,所述进气组件设置于所述管体的一侧,所述进气组件包阔进气管,所述进气管一侧固定连接有第一法兰盘,并且进气管的内部设置有密封垫,所述进气管上设置有阀门；进气装置。本发明提供的氮化硅辐射管具有通过控制组件对空气的进入速度进行控制,便于对辐射管内部的燃烧进行控制,当需要停止燃烧时,关闭阀门,再手动向入气口中央拉动两个控制杆,密封条可以充分防止空气进入到燃烧室,防止燃烧室内部的燃气继续燃烧,产生不必要资源消耗。(The invention provides a silicon nitride radiant tube. The silicon nitride radiant tube comprises: the combustion chamber is arranged in the inner pipe, and the bottom of the inner pipe is fixedly connected with a fire releasing net; the air inlet assembly is arranged on one side of the pipe body, the air inlet assembly covers the air inlet pipe, one side of the air inlet pipe is fixedly connected with a first flange, a sealing gasket is arranged inside the air inlet pipe, and a valve is arranged on the air inlet pipe; an air intake device. The silicon nitride radiant tube provided by the invention has the advantages that the air inlet speed is controlled through the control assembly, the combustion in the radiant tube is convenient to control, when the combustion needs to be stopped, the valve is closed, the two control rods are manually pulled to the center of the air inlet, the air can be fully prevented from entering the combustion chamber through the sealing strip, the gas in the combustion chamber is prevented from being continuously combusted, and unnecessary resource consumption is generated.)

1. A silicon nitride radiant tube, comprising:

the combustion chamber is arranged in the inner pipe, and the bottom of the inner pipe is fixedly connected with a fire releasing net;

the air inlet assembly is arranged on one side of the pipe body, the air inlet assembly covers the air inlet pipe, one side of the air inlet pipe is fixedly connected with a first flange, a sealing gasket is arranged inside the air inlet pipe, and a valve is arranged on the air inlet pipe;

the gas inlet device is arranged on one side of the gas inlet assembly and comprises a gas pipe, a second flange plate is arranged on one side of the gas pipe, and a screw is arranged on the second flange plate;

the exhaust assembly is fixed at the top of the outer pipe;

the air inlet assembly is fixed at the top of the inner pipe;

the control assembly is fixed at the top of the gas inlet assembly;

a fixing assembly fixed to one side of the exhaust assembly.

2. The nitride radiant tube of claim 1, wherein the gas pipe and the gas inlet pipe are fitted, and one end of the screw penetrates the second flange and extends to the outside of the second flange.

3. The silicon nitride radiant tube of claim 1, wherein the exhaust assembly comprises an exhaust pipe, a first dust screen is arranged inside the exhaust pipe, the first dust screen is located above the exhaust pipe, and the first dust screen is matched with the exhaust pipe.

4. The silicon nitride radiant tube of claim 1, wherein the gas inlet assembly comprises a gas inlet tube, a second dust screen is arranged inside the gas inlet tube, a fixing groove is formed in the top of the gas inlet tube, and one end of the gas inlet tube penetrates through the outer tube and the exhaust tube in sequence and extends to the outside of the exhaust tube.

5. The silicon nitride radiant tube of claim 1, wherein the control assembly comprises a rotating shaft, a baffle is rotatably connected to the rotating shaft, a sealing strip is fixedly connected to one side of the baffle in a jacking mode, a control rod is fixedly connected to one side of the baffle, a handle is fixedly connected to one end of the control rod, and a through groove is formed in the top of the control rod.

6. The silicon nitride radiant tube of claim 5 wherein there are two baffles, both baffles being located above the gas inlet tube, the through slot being located directly above the fixed slot.

7. The silicon nitride radiant tube of claim 1, wherein the fixing assembly comprises a fixing block, a pull rope is arranged on the fixing block, a clamping block is fixedly connected to one end of the pull rope, and one end of the clamping block penetrates through the baffle and the exhaust pipe in sequence and extends into the air inlet pipe.

Technical Field

The invention relates to the field of combustion control, in particular to a silicon nitride radiant tube.

Background

Radiant tubes refer to pipes extending in straight lines in all directions from the center, and refer to non-central pipes, which are pipes that transport the physical substances of the main pipe to a designated or non-designated address. The radiant tube is widely applied to a heating furnace and is a main heating element of the heating furnace, and the heat efficiency of the gas radiant tube is about one time higher than that of an electric heating radiant tube, so that the gas radiant tube is the development trend of the future radiant tube.

In the prior art, when the gas valve is closed to stop supplying gas in the radiant tube, the residual gas in the radiant tube can be continuously combusted, which brings unnecessary energy loss.

Therefore, there is a need to provide a silicon nitride radiant tube to solve the above-mentioned technical problems.

Disclosure of Invention

The invention provides a silicon nitride radiant tube, which solves the problem that when a gas valve of the silicon nitride radiant tube is closed to stop supplying gas in the radiant tube, the residual gas in the radiant tube can be continuously combusted.

In order to solve the above technical problem, the silicon nitride radiant tube provided by the present invention comprises: the combustion chamber is arranged in the inner pipe, and the bottom of the inner pipe is fixedly connected with a fire releasing net; the air inlet assembly is arranged on one side of the pipe body, the air inlet assembly covers the air inlet pipe, one side of the air inlet pipe is fixedly connected with a first flange, a sealing gasket is arranged inside the air inlet pipe, and a valve is arranged on the air inlet pipe; the gas inlet device is arranged on one side of the gas inlet assembly and comprises a gas pipe, a second flange plate is arranged on one side of the gas pipe, and a screw is arranged on the second flange plate; the exhaust assembly is fixed at the top of the outer pipe; the air inlet assembly is fixed at the top of the inner pipe; the control assembly is fixed at the top of the gas inlet assembly; a fixing assembly fixed to one side of the exhaust assembly.

Preferably, the gas pipe with the intake pipe looks adaptation, the one end of screw runs through the second ring flange and extends to the outside of second ring flange.

Preferably, the exhaust assembly includes the blast pipe, the inside of blast pipe is provided with first dust screen, first dust screen is located the top of blast pipe, and first dust screen with blast pipe looks adaptation.

Preferably, the air inlet assembly comprises an air inlet pipe, a second dustproof net is arranged inside the air inlet pipe, a fixing groove is formed in the top of the air inlet pipe, and one end of the air inlet pipe penetrates through the outer pipe and the exhaust pipe in sequence and extends to the outside of the exhaust pipe.

Preferably, the control assembly comprises a rotating shaft, the rotating shaft is rotatably connected with a baffle, one side of the baffle is fixedly connected with a sealing strip in a jacking mode, one side of the baffle is fixedly connected with a control rod, one end of the control rod is fixedly connected with a handle, and the top of the control rod is provided with a through groove.

Preferably, the number of the baffle plates is two, the two baffle plates are both positioned above the air inlet pipe, and the penetrating groove is positioned right above the fixing groove.

Preferably, the fixing assembly comprises a fixing block, a pull rope is arranged on the fixing block, a clamping block is fixedly connected to one end of the pull rope, and one end of the clamping block penetrates through the baffle and the exhaust pipe in sequence and extends to the inside of the air inlet pipe.

Compared with the related art, the silicon nitride radiant tube provided by the invention has the following beneficial effects:

the invention provides a silicon nitride radiant tube, which ensures the combustion of gas in a combustion chamber through an exhaust pipe and an air inlet pipe, wherein a first dustproof net and a second dustproof net can prevent dust from entering the interior of a tube body, the gas inlet speed is controlled through a valve, the air inlet speed is controlled through a control assembly, the combustion in the radiant tube is conveniently controlled, when the combustion needs to be stopped, the valve is closed, two control rods are manually pulled towards the center of an air inlet, and a clamping block is placed in a through groove.

Drawings

FIG. 1 is a schematic structural diagram of a silicon nitride radiant tube according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the construction of the baffle portion shown in FIG. 1;

fig. 4 is a schematic structural diagram of a portion of the control assembly shown in fig. 1.

Reference numbers in the figures: 1. the gas inlet device comprises a pipe body, 11, an outer pipe, 12, an inner pipe, 13, a combustion chamber, 13, a fireproof net, 2, a gas inlet assembly, 21, a gas inlet pipe, 22, a first flange plate, 23, a sealing gasket, 24, a valve, 3, a gas inlet device, 31, a gas pipe, 32, a second flange plate, 33, screws, 4, an exhaust assembly, 41, an exhaust pipe, 42, a first dustproof net, 5, a gas inlet assembly, 51, a gas inlet pipe, 52, a second dustproof net, 53, a fixing groove, 6, a control assembly, 61, a rotating shaft, 62, a baffle, 63, a sealing strip, 64, a control rod, 65, a handle, 66, a through groove, 7, a fixing assembly, 71, a fixing block, 72, a pull rope, 73 and a clamping block.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a silicon nitride radiant tube according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the baffle portion of FIG. 1; fig. 4 is an enlarged schematic view of the latch portion shown in fig. 3. The silicon nitride radiant tube comprises: the tube body 1 comprises an outer tube 11 and an inner tube 12, a combustion chamber 13 is arranged inside the inner tube 12, and the bottom of the inner tube 12 is fixedly connected with a fire-releasing net 14; the air inlet component 2 is arranged on one side of the pipe body 1, the air inlet component covers an air inlet pipe 21, one side of the air inlet pipe 21 is fixedly connected with a first flange plate 22, a sealing gasket 23 is arranged inside the air inlet pipe 21, and a valve 24 is arranged on the air inlet pipe 21; the air inlet device 3 is arranged on one side of the air inlet assembly 2, the air inlet device 3 comprises a gas pipe 31, a second flange 32 is arranged on one side of the gas pipe 31, and a screw 33 is arranged on the second flange 32; the exhaust assembly 4 is fixed at the top of the outer pipe 11; the air inlet assembly 5 is fixed at the top of the inner pipe 12; the control assembly 6 is fixed at the top of the gas inlet assembly 4; and the fixing component 7 is fixed on one side of the exhaust component 4.

Guarantee the burning of gas in combustion chamber 13 through blast pipe 41 and income trachea 51, first dust screen 42 and second dust screen 52 can prevent that the dust from entering into the inside of body 1, the gas gets into intake pipe 21 through gas pipe 31 and reentries combustion chamber 13 and burns, it is fixed with second ring flange 32 and first ring flange 22 through screw 33, prevent that the gas from leaking, sealed pad 23 makes the pipeline sealing performance better, further prevent the gas leakage, be convenient for the change and the dismantlement of gas pipe 31 simultaneously.

Control the admission speed of gas through valve 24, control the admission speed of air through control assembly 6, be convenient for control the burning of radiant tube inside, when the burning speed of needs increase gas, manual upwards pulling stay cord 72, stay cord 72 upwards removes the in-process can drive fixture block 73 rebound, break away from completely when the bottom of fixture block 73 runs through groove 66, think both sides pulling control lever 64 can increase the size of income gas port, increase burning speed, when needs stop burning, close valve 24, again manual to two control lever 64 of the central pulling of income gas port, put into fixture block 73 again and run through groove 66 can, the sealing strip can fully prevent that the air from entering the combustion chamber, prevent that the inside gas of combustion chamber 13 from continuing to burn, produce unnecessary resource consumption.

Gas pipe 31 with intake pipe 21 looks adaptation, the one end of screw 33 is run through second ring flange 32 and extend to the outside of second ring flange 32, the side becomes dismantlement and the change to gas pipe 31.

The exhaust assembly 4 comprises an exhaust pipe 41, a first dustproof net 42 is arranged in the exhaust pipe 41, the first dustproof net 42 is positioned above the exhaust pipe 41, and the first dustproof net and the exhaust pipe 41 are matched to prevent dust from entering the interior of the radiant tube through the exhaust pipe 41.

The air inlet assembly 5 comprises an air inlet pipe 51, a second dustproof net 52 is arranged inside the air inlet pipe 51, a fixing groove 53 is formed in the top of the air inlet pipe 51, one end of the air inlet pipe 51 penetrates through the outer pipe 11 and the exhaust pipe 41 in sequence and extends to the outside of the exhaust pipe 41, air is provided for combustion inside the combustion chamber 13, and meanwhile dust is prevented from entering the combustion chamber through the air inlet pipe 51.

Control assembly 6 includes pivot 61, it is connected with baffle 62 to rotate on the pivot 61, one side of baffle 62 is pushed up admittedly and is connected with sealing strip 63 to one side fixedly connected with control lever 64 of baffle 62, the one end fixedly connected with handle 65 of control lever 64 to the top of control lever 64 has been seted up and has been run through groove 66, controls the amount of entering of air and then controls the inside burning of combustion chamber 13.

The number of the baffle plates 62 is two, the two baffle plates 62 are both positioned above the air inlet pipe 51, and the penetrating groove 66 is positioned right above the fixing groove 53, so that the baffle plates can be fully closed and isolate air.

The fixing assembly 7 comprises a fixing block 71, a pull rope 72 is arranged on the fixing block 71, one end of the pull rope 72 is fixedly connected with a fixture block 73, and one end of the fixture block 73 sequentially penetrates through the baffle plate 62 and the exhaust pipe 41 and extends into the air inlet pipe 51, so that the baffle plate 62 cannot be loosened when being closed.

The working principle of the silicon nitride radiant tube provided by the invention is as follows:

guarantee the burning of gas in combustion chamber 13 through blast pipe 41 and income trachea 51, first dust screen 42 and second dust screen 52 can prevent that the dust from entering into the inside of body 1, the gas gets into intake pipe 21 through gas pipe 31 and gets into combustion chamber 13 again and burns, it is fixed with second ring flange 32 and first ring flange 22 through screw 33, prevent that the gas from leaking, sealed pad 23 makes the pipeline sealing performance better, further prevent the gas leakage, and the operation is simple, the change and the dismantlement of gas pipe 31 of being convenient for simultaneously.

The inlet speed of the gas is controlled by the valve 24, the inlet speed of the air is controlled by the control component 6, the combustion in the radiant tube is convenient to control, when the combustion speed of the gas needs to be increased, the pull rope 72 is pulled upwards manually, the clamping block 73 is driven to move upwards in the process that the pull rope 72 moves upwards, when the bottom of the block 73 is completely separated from the through groove 66, the size of the air inlet can be increased by pulling the control rods 64 at both sides, the combustion speed is increased, when the combustion needs to be stopped, the valve 24 is closed, the two control rods 64 are manually pulled towards the center of the air inlet, the clamping block 73 is placed into the through groove 66, the sealing strip can fully prevent air from entering the combustion chamber, the gas in the combustion chamber 13 is prevented from being continuously combusted, the necessary resource consumption is generated, the combustion is conveniently controlled, and the use safety of the equipment is improved.

Compared with the related art, the silicon nitride radiant tube provided by the invention has the following beneficial effects:

guarantee the burning of gas in combustion chamber 13 through blast pipe 41 and income trachea 51, first dust screen 42 and second dust screen 52 can prevent that the dust from entering into the inside of body 1, the gas gets into intake pipe 21 through gas pipe 31 and gets into combustion chamber 13 again and burns, it is fixed with second ring flange 32 and first ring flange 22 through screw 33, prevent that the gas from leaking, sealed pad 23 makes the pipeline sealing performance better, further prevent the gas leakage, and the operation is simple, the change and the dismantlement of gas pipe 31 of being convenient for simultaneously.

The inlet speed of the gas is controlled by the valve 24, the inlet speed of the air is controlled by the control component 6, the combustion in the radiant tube is convenient to control, when the combustion speed of the gas needs to be increased, the pull rope 72 is pulled upwards manually, the clamping block 73 is driven to move upwards in the process that the pull rope 72 moves upwards, when the bottom of the block 73 is completely separated from the through groove 66, the size of the air inlet can be increased by pulling the control rods 64 at both sides, the combustion speed is increased, when the combustion needs to be stopped, the valve 24 is closed, the two control rods 64 are manually pulled towards the center of the air inlet, the clamping block 73 is placed into the through groove 66, the sealing strip can fully prevent air from entering the combustion chamber, the gas in the combustion chamber 13 is prevented from being continuously combusted, the necessary resource consumption is generated, the combustion is conveniently controlled, and the use safety of the equipment 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 modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.