CN219400754U - High-temperature-resistant jet oxygen spray gun - Google Patents
High-temperature-resistant jet oxygen spray gun Download PDFInfo
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- CN219400754U CN219400754U CN202320385207.XU CN202320385207U CN219400754U CN 219400754 U CN219400754 U CN 219400754U CN 202320385207 U CN202320385207 U CN 202320385207U CN 219400754 U CN219400754 U CN 219400754U
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- pipe
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- temperature resistant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to a high-temperature-resistant jet oxygen spray gun which comprises a refractory ceramic tube, a gun body connecting tube and a copper tube, wherein the refractory ceramic tube, the gun body connecting tube and the copper tube are sequentially connected, the refractory ceramic tube and the gun body connecting tube are in plug-in installation, the copper tube is in threaded connection with the gun body connecting tube, and a flange is welded outside the gun body connecting tube. The utility model uses heat-resistant stainless steel as a main bearing component, the ultrahigh temperature part of the head adopts a high temperature resistant ceramic component, and the heat resistant ceramic component and the high temperature resistant ceramic component are meshed and combined together through high temperature glue, so that oxygen injection in different temperature occasions can be satisfied.
Description
Technical Field
The utility model relates to the technical field of thermal kilns, in particular to a high-temperature-resistant jet oxygen spray gun.
Background
Oxygen enrichment technology is used in the modification process of the thermal furnace, an oxygen injection device is needed, and an oxygen injection gun suitable for high-temperature environment is needed to be designed for injecting oxygen into the furnace.
The spray gun has certain structural strength and can meet the requirement of 1200 ℃ for a long time. Under normal conditions, the spray gun material is made of a metal structure, and the conventional heat-resistant stainless steel (Cr 25Ni 20) of the current high-temperature-resistant metal cannot meet the use requirement of the spray gun at 1200 ℃ for a long time. The refractory material product can meet the use requirement of high-temperature places, but the radial size of the structure required by the jet oxygen lance is smaller and the axial size is larger; the strength of the refractory material is difficult to ensure, and the impact caused by repeated start and stop of the oxygen (pressure) flow is more difficult to bear.
The patent document with the application number of 201220315379.1 discloses a high-temperature-resistant oxygen-enriched combustion-supporting long spray gun for a rotary kiln, wherein a gun barrel of the oxygen gun is a common steel pipe, and a high-temperature-resistant heat preservation layer is wrapped outside the common steel pipe in order to adapt to a high-temperature operation environment.
Disclosure of Invention
The utility model aims to provide a high-temperature resistant jet oxygen spray gun, which uses heat-resistant stainless steel as a main bearing component, adopts a high-temperature resistant ceramic component at the ultrahigh-temperature part of the head, and can meet the oxygen blowing requirements of different temperature occasions by meshing and combining the heat-resistant ceramic component and the high-temperature resistant ceramic component together through high-temperature glue.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high temperature resistant efflux oxygen spray gun, includes fire-resistant ceramic pipe, rifle body takeover, copper pipe, fire-resistant ceramic pipe, rifle body takeover and copper pipe are connected in proper order, fire-resistant ceramic pipe is for pegging graft installation with rifle body takeover, copper pipe is threaded connection with rifle body takeover, the outside welding of rifle body takeover has the flange.
The tail part of the refractory ceramic tube is provided with a circumferential annular groove, the tail end of the refractory ceramic tube is provided with an axial groove, and the groove penetrates through the annular groove and the end face of the tail part; the inner side of the head of the gun body connecting pipe is provided with a bulge, and after the bulge is matched and inserted with the groove and embedded into the position of the annular groove, the bulge and the groove are twisted and dislocated.
The high-temperature wear-resistant ceramic glue is smeared at the matched and spliced part of the refractory ceramic tube and the gun body connecting tube.
The copper pipe is in threaded connection with the gun body connecting pipe through a taper pipe.
The gun body connecting pipe comprises a first pipe head, a connecting pipe and a second pipe head, wherein the first pipe head and the second pipe head are fixed at two ends of the connecting pipe, a flange is welded outside the first pipe head, the first pipe head is connected with a fireproof ceramic pipe, the second pipe head is connected with a copper pipe, and the flange is connected with a connecting pipe flange of a burner box plate.
The first pipe head and the connecting pipe are made of Ni25Cr20, and the second pipe head is made of 1Cr18Ni9 Ti.
The inner diameter of the connecting pipe flange is 6-8 mm larger than the outer diameter of the gun body connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1) The head part of the utility model adopts the refractory ceramic tube, which can meet the high-temperature working requirement of 1200 ℃ for a long time.
2) The middle part of the high-speed jet oxygen lance is made of Ni25Cr20 high-temperature resistant metal, and the tail end of the high-speed jet oxygen lance is made of 1Cr18Ni9Ti metal, so that the high-speed jet oxygen lance can adapt to the structural characteristics of small radial size and large axial size of a structure required by the high-speed jet oxygen lance;
3) The refractory ceramic tube, the first tube head, the connecting tube and the second tube head are made of different materials, so that the manufacturing cost is reduced on the premise of meeting the requirement of high-temperature use; the copper pipe is provided with threads and is used for connecting an oxygen pipeline and blocking fire; the utility model can solve the problem that oxygen needs to be blown into the high-temperature kiln in the oxygen enrichment technology in the modification process of the thermal kiln.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 taken along line A-A;
FIG. 3 is a schematic view of the structural principle of the refractory ceramic tube of the present utility model;
FIG. 4 is a schematic view of the E-E cross-sectional structure of FIG. 3;
FIG. 5 is a schematic front view of the gun body adapter of the present utility model;
FIG. 6 is a schematic front view of the gun body adapter of the present utility model in a G-G section view;
FIG. 7 is a schematic view of the structural principle of the utility model when the fire-resistant ceramic tube is assembled and spliced with the gun body connecting tube;
in the figure: 1-refractory ceramic tube, 11-ring groove, 12-groove, 2-gun body connecting tube, 21-first tube head, 22-connecting tube, 23-second tube head, 24-flange, 3-connecting tube flange, 4-copper tube, 5-bolt group and 6-burner box plate.
Detailed Description
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present utility model, but the scope of the present utility model is not limited to the following examples. The methods used in the examples described below are conventional methods, and the equipment used is conventional equipment and commercially available.
Example 1:
as shown in figure 1, the high-temperature-resistant jet oxygen spray gun comprises a refractory ceramic tube 1, a gun body connecting tube 2 and a copper tube 4, wherein the refractory ceramic tube 1, the gun body connecting tube 2 and the copper tube 4 are sequentially connected.
Referring to fig. 5 and 6, the gun body connection pipe 2 comprises a first pipe head 21, a connection pipe 22 and a second pipe head 23, wherein the first pipe head 21 and the second pipe head 23 are fixed at two ends of the connection pipe 22, a flange 24 is welded outside the second pipe head 23, the first pipe head 21 is connected with the refractory ceramic pipe 1, the second pipe head 23 is connected with the copper pipe 4, and the flange 24 is fixedly connected with the connection pipe flange 3 of the burner box plate 6 through a bolt group 5 (see fig. 2).
The copper pipe 4 is connected with the gun body connecting pipe 2 by taper pipe threads.
Referring to fig. 3-4 and 7, the tail part of the refractory ceramic tube 1 is provided with a circumferential annular groove 11, the tail end is provided with an axial groove 12, and the groove 12 penetrates through the annular groove 11 and the tail end face; referring to fig. 5-7, a protrusion is arranged on the inner side of the first tube head 21, and is inserted into the groove 12 in a matched manner, and is embedded into the position of the annular groove 11, and the protrusion and the groove 12 are dislocated after being screwed by 90 degrees, so that the refractory ceramic tube 1 and the gun body connecting tube 2 are ensured to be clamped axially.
The first tube head 21 and the connecting tube 22 are made of Ni25Cr20, the second tube head 23 is made of 1Cr18Ni9Ti, and different materials are adopted, so that the manufacturing cost and the maintenance cost are reduced on the premise of meeting the high-temperature use.
The inner diameter of the connecting pipe flange 3 is 6-8 mm larger than the outer diameter of the gun body connecting pipe 2, and the overhaul and the replacement are convenient.
Before the refractory ceramic tube 1 is assembled with the gun body connecting tube 2, high-temperature wear-resistant ceramic glue is smeared on the matching part.
When in operation, the device comprises:
1) The connecting pipe flange 3 is installed on site and welded on the burner box plate 6;
2) After the refractory ceramic tube 1 and the gun body connecting tube 2 are assembled, standing for 30min until the heat-resistant glue is completely solidified;
3) The end of the refractory ceramic tube 1 extends into the connecting tube flange 3 to the kiln, and is connected and fastened with the flange 24 by a bolt group through the connecting tube flange 3;
4) The copper pipe 4 is connected with the oxygen main pipe to realize oxygen blowing in the kiln.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a high temperature resistant efflux oxygen spray gun, its characterized in that includes fire-resistant ceramic pipe, rifle body takeover, copper pipe, fire-resistant ceramic pipe, rifle body takeover and copper pipe are connected in proper order, fire-resistant ceramic pipe is for pegging graft installation with rifle body takeover, copper pipe and rifle body takeover are threaded connection, the outside welding of rifle body takeover has the flange.
2. The high-temperature resistant jet oxygen spray gun according to claim 1, wherein the tail part of the refractory ceramic tube is provided with a circumferential ring groove, the tail end is provided with an axial groove, and the groove penetrates through the ring groove and the tail end face; the inner side of the head of the gun body connecting pipe is provided with a bulge, and after the bulge is matched and inserted with the groove and embedded into the position of the annular groove, the bulge and the groove are twisted and dislocated.
3. A high temperature resistant jet oxygen lance as claimed in claim 1 or claim 2 wherein the mating plug portion of the refractory ceramic tube and lance body nipple is coated with a high temperature resistant ceramic paste.
4. The high-temperature resistant jet oxygen spray gun according to claim 1, wherein the copper pipe is in threaded connection with the gun body connecting pipe through a taper pipe.
5. The high-temperature resistant jet oxygen spray gun according to claim 1, wherein the gun body connecting pipe comprises a first pipe head, a connecting pipe and a second pipe head, the first pipe head and the second pipe head are fixed at two ends of the connecting pipe, a flange is welded outside the first pipe head, the first pipe head is connected with a refractory ceramic pipe, the second pipe head is connected with a copper pipe, and the flange is connected with a connecting pipe flange of a burner box plate.
6. The high-temperature resistant jet oxygen spray gun according to claim 5, wherein the first tube head and the connecting tube are made of Ni25Cr20 material, and the second tube head is made of 1Cr18Ni9Ti material.
7. The high temperature resistant jet oxygen lance of claim 5 wherein the inner diameter of the nozzle flange is 6-8 mm greater than the outer diameter of the lance body nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320385207.XU CN219400754U (en) | 2023-03-03 | 2023-03-03 | High-temperature-resistant jet oxygen spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320385207.XU CN219400754U (en) | 2023-03-03 | 2023-03-03 | High-temperature-resistant jet oxygen spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219400754U true CN219400754U (en) | 2023-07-25 |
Family
ID=87207474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320385207.XU Active CN219400754U (en) | 2023-03-03 | 2023-03-03 | High-temperature-resistant jet oxygen spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219400754U (en) |
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2023
- 2023-03-03 CN CN202320385207.XU patent/CN219400754U/en active Active
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