CN207685586U - A kind of combustion of natural gas rifle pipette tips for alkali recovery furnace - Google Patents
A kind of combustion of natural gas rifle pipette tips for alkali recovery furnace Download PDFInfo
- Publication number
- CN207685586U CN207685586U CN201721883005.9U CN201721883005U CN207685586U CN 207685586 U CN207685586 U CN 207685586U CN 201721883005 U CN201721883005 U CN 201721883005U CN 207685586 U CN207685586 U CN 207685586U
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- Prior art keywords
- pipette tips
- pipe
- combustion
- natural gas
- gun barrel
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Abstract
The utility model discloses a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace, it includes gun barrel and Taper Pipe, the gun barrel is cylindrical tubular structure, the front end of gun barrel is fixedly connected with the big end of Taper Pipe, the small end end face of Taper Pipe is fixedly connected with end plate, there is several through-holes on the end plate, and several circle coil pipes are equipped in the outside of gun barrel and Taper Pipe, the front end of the coil pipe is connect by short tube with inlet tube, and rear end is connected with outlet.By increasing water cooling coil pipe on the outside of gun barrel, cooling protection is carried out to pipette tips, reduces the operating temperature of pipette tips; also the material of original pipette tips is optimized simultaneously; it has changed two phase stainless steel into, has improved the corrosion resistant ability of pipette tips, substantially prolong the working life of pipette tips.
Description
Technical field
The utility model is related to a kind of combustion gun pipette tips, more particularly to a kind of combustion of natural gas rifle rifle for alkali recovery furnace
Head belongs to alkali recovery technology field.
Background technology
Alkali recovery furnace is mainly used for pulp and paper technology field, the black liquor for being generated in combusting pulping process, generates steaming
Vapour is for generating electricity and producing, and alkali recovery furnace is usually to carry out igniting heating with natural gas or heavy oil, due to the temperature in burner hearth
Higher, at 900 DEG C or so, existing pipette tips do not have a cooling device for temperature at pipette tips, the pipette tips service life of combustion gun all compared with
It is short, generally use less than 1 year, pipette tips will corrosion and damage, therefore, every time overhaul, be required for carrying out replacement processing to pipette tips,
This considerably increases maintenance workloads and production cost, this is the technical issues that need to address.
Invention content
The technical problems to be solved in the utility model is：A kind of combustion of natural gas rifle pipette tips for alkali recovery furnace are provided,
On the basis of original pipette tips structure, by increasing water cooling coil pipe on the outside of gun barrel, cooling protection is carried out to pipette tips, is reduced
The operating temperature of pipette tips, while also the material of original pipette tips is optimized, it has changed two phase stainless steel into, has improved the resistance to of pipette tips
The ability of corrosion substantially prolongs the working life of pipette tips, solves the problems, such as above-mentioned.
The technical solution of the utility model is：A kind of combustion of natural gas rifle pipette tips for alkali recovery furnace, it includes gun barrel
And Taper Pipe, the gun barrel are cylindrical tubular structure, the front end of gun barrel is fixedly connected with the big end of Taper Pipe, the small end end face of Taper Pipe
It is fixedly connected with end plate, there are several through-holes on the end plate, several circle coil pipes, the coil pipe are equipped in the outside of gun barrel and Taper Pipe
Front end connect with inlet tube by short tube, rear end is connected with outlet.
The gun barrel is seamless pipe, and length is 150~200mm.
The length of the Taper Pipe is 50~80mm, and taper is 35~45 °.
The end plate is a circular steel plate, and plate thickness is 5~8mm.
The coil pipe, short tube, inlet tube and outlet are seamless pipe made of a whole coiling, specification be φ 14 ×
2。
A diameter of 8~16mm of φ of the through-hole, through-hole number are 15~20, are uniformly distributed.
The gun barrel, Taper Pipe, end plate and coil pipe material be 0Cr25Ni20.
The mode that is fixedly connected is to be welded to connect.
The utility model has the beneficial effects that：Compared with prior art, the utility model is by above technical scheme, in original
On the basis of some pipette tips structures, by increasing water cooling coil pipe on the outside of gun barrel, cooling protection is carried out to pipette tips, reduces pipette tips
Operating temperature, while also the material of original pipette tips is optimized, has changed the two phase stainless steel more resistant to high temperature corrosion into, improved
The corrosion resistant abilities of pipette tips, substantially prolongs the working life of pipette tips；Lead to the clean desalted water of processing, Bu Hui in coil pipe
Fouling on coil pipe inner wall improves the efficiency of heat exchange, effectively reduces the operating temperature of pipette tips；It is set as in the front end of pipette tips
Taper can effectively improve the flow velocity of natural gas, can improve rigidity of the flame in stove, while also can partly reduce the work of end plate
Make temperature.By the improvement on above structure, the service life of pipette tips was greatly prolonged from original 1 year by 4 years or so, was reduced
Maintenance frequency and production cost, improve production efficiency, have a better effect.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the end plate trepanning schematic diagram of the utility model.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, below with reference to this specification attached drawing pair
The utility model is described in further detail.
Embodiment 1：As shown in attached drawing 1~2, a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace, it includes gun barrel 2
With Taper Pipe 6, the gun barrel 2 is cylindrical tubular structure, and the front end of gun barrel 2 is fixedly connected with the big end of Taper Pipe 6, Taper Pipe 6 it is small
End end face is fixedly connected with end plate 7, there is several through-holes 8 on the end plate 7, and 15 circle disks are equipped in the outside of gun barrel 2 and Taper Pipe 6
The front end of pipe 4, the coil pipe 4 is connect by short tube 5 with inlet tube 3, and rear end is connected with outlet 1.In original pipette tips structure
On the basis of, by increasing water cooling coil pipe 4 on the outside of gun barrel 2, cooling protection is carried out to pipette tips, leads in coil pipe 4 and handles totally
Desalted water, will not the fouling on 4 inner wall of coil pipe, improve the efficiency of heat exchange, effectively reduce the operating temperature of pipette tips；In rifle
The front end of head is set as taper, can effectively improve the flow velocity of natural gas, can improve rigidity of the flame in stove, while also can portion
Dividing reduces the operating temperature of end plate 7.
The gun barrel 2 is seamless pipe, and specification is φ 108 × 5, length 180mm.
The length of the Taper Pipe 6 is 60mm, and taper is 40 °, and taper is set as in the front end of pipette tips, can be effectively improved natural
The flow velocity of gas can improve rigidity of the flame in stove, while also can partly reduce the operating temperature of end plate 7.
The end plate 7 is a circular steel plate, plate thickness 8mm.
The coil pipe 4, short tube 5, inlet tube 3 and outlet 1 are seamless pipe made of a whole coiling, specification φ
14×2.It can effectively avoid generating manufacturing defect on coil pipe 4, improve production security.
A diameter of φ 10mm of the through-hole 8, through-hole number are 19, are uniformly distributed.
The gun barrel 2, Taper Pipe 6, end plate 7 and coil pipe 4 material be 0Cr25Ni20.Improve the corrosion resistant of pipette tips
Ability substantially prolongs the working life of pipette tips.
The mode that is fixedly connected is to be welded to connect, and production and processing is convenient, and scene, which is fixed by welding with natural air gun, to be connected
It connects, maintenance is replaced and is also convenient for.
Place is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.Finally illustrate, with
Upper embodiment is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although with reference to preferred embodiment to the utility model
It is described in detail, it will be understood by those of ordinary skill in the art that, the technical solution of the utility model can be repaiied
Change or equivalent replacement should all cover without departing from the objective and range of technical solutions of the utility model in the utility model
Right in.
Claims (8)
1. a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace, it includes gun barrel（2）And Taper Pipe（6）, it is characterised in that：Institute
State gun barrel（2）For cylindrical tubular structure, gun barrel（2）Front end and Taper Pipe（6）Big end be fixedly connected, Taper Pipe（6）Small end
End face is fixedly connected with end plate（7）, the end plate（7）On have several through-holes（8）, in gun barrel（2）And Taper Pipe（6）Outside be equipped with
Several circle coil pipes（4）, the coil pipe（4）Front end pass through short tube（5）With inlet tube（3）Connection, rear end is connected with outlet
（1）.
2. a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace according to claim 1, it is characterised in that：The rifle
Pipe（2）For seamless pipe, length is 150~200mm.
3. a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace according to claim 1, it is characterised in that：The cone
Pipe（6）Length be 50~80mm, taper be 35~45 °.
4. a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace according to claim 1, it is characterised in that：The end
Plate（7）For a circular steel plate, plate thickness is 5~8mm.
5. a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace according to claim 1, it is characterised in that：The disk
Pipe（4）, short tube（5）, inlet tube（3）And outlet（1）It is φ 14 × 2 for seamless pipe, specification made of a whole coiling.
6. a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace according to claim 1, it is characterised in that：It is described logical
Hole（8）A diameter of 8~16mm of φ, through-hole number be 15~20, be uniformly distributed.
7. a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace according to claim 1, it is characterised in that：The rifle
Pipe（2）, Taper Pipe（6）, end plate（7）And coil pipe（4）Material be 0Cr25Ni20.
8. a kind of combustion of natural gas rifle pipette tips for alkali recovery furnace according to claim 1, it is characterised in that：It is described solid
It is to be welded to connect to determine connection type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883005.9U CN207685586U (en) | 2017-12-28 | 2017-12-28 | A kind of combustion of natural gas rifle pipette tips for alkali recovery furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883005.9U CN207685586U (en) | 2017-12-28 | 2017-12-28 | A kind of combustion of natural gas rifle pipette tips for alkali recovery furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207685586U true CN207685586U (en) | 2018-08-03 |
Family
ID=62992966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721883005.9U Expired - Fee Related CN207685586U (en) | 2017-12-28 | 2017-12-28 | A kind of combustion of natural gas rifle pipette tips for alkali recovery furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207685586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2050871A1 (en) * | 2020-07-09 | 2022-01-10 | Valmet Oy | Cooling shield for a liquor injection pipe, a liquor gun system and a method for cooling a liquor injection pipe |
-
2017
- 2017-12-28 CN CN201721883005.9U patent/CN207685586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2050871A1 (en) * | 2020-07-09 | 2022-01-10 | Valmet Oy | Cooling shield for a liquor injection pipe, a liquor gun system and a method for cooling a liquor injection pipe |
| SE544235C2 (en) * | 2020-07-09 | 2022-03-08 | Valmet Oy | Cooling shield for a liquor injection pipe, a liquor gun system and a method for cooling a liquor injection pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20211228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |