CN106286405A - A kind of processing technology of the fire pump guide wheel of coating - Google Patents
A kind of processing technology of the fire pump guide wheel of coating Download PDFInfo
- Publication number
- CN106286405A CN106286405A CN201610610566.5A CN201610610566A CN106286405A CN 106286405 A CN106286405 A CN 106286405A CN 201610610566 A CN201610610566 A CN 201610610566A CN 106286405 A CN106286405 A CN 106286405A
- Authority
- CN
- China
- Prior art keywords
- coating
- stator
- fire pump
- guide wheel
- processing technology
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
- F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
Abstract
The present invention discloses the processing technology of the fire pump guide wheel of a kind of coating, comprises the steps, pre-treatment, after removing the greasy dirt on stator surface, ferrum and oxide skin foreign material, carries out surface oxide layer process with shot-blasting machine；Coating is with dacro solution spraying or dipping fire pump stator, uses centrifuge dripping, naturally vertical stream the most again, brushes the treatment fluid being more than；Baking is the process that the Dacroment treatment fluid on stator matrix changes film forming layer, is sintered solidifying oxidoreduction through the temperature of about 300 DEG C, then cleans, stator of polishing can complete.
Description
Technical field
The invention belongs to fire-fighting field of mechanical technique, particularly relate to the processing technology of the fire pump guide wheel of coating.
Background technology
Fire pump is mounted on boats and ships, fixed fire extinguishing system or other fire fighting devices, is used as conveying water or foam solution
Dedicated pump Deng liquid extinguisher.Owing to fire-fighting pump structure is complicated, easy to wear, need professional and technical personnel to fire-fighting pump part
Improve the needs meeting life.
Summary of the invention
It is contemplated that overcome the defect of prior art, it is provided that the preparation method of a kind of spraying rod for sprayer, there is rust-preventing characteristic
Can be good, stay-in-grade feature.
In order to solve above-mentioned technical problem, the present invention provides techniques below scheme:
The processing technology of the fire pump guide wheel of a kind of coating, it is characterised in that comprise the steps, pre-treatment, removing is led
After the greasy dirt of leaf surface, ferrum and oxide skin foreign material, carry out surface oxide layer process with shot-blasting machine；Coating is to spray with dacro solution
It is coated with or dipping fire pump stator, uses centrifuge dripping, naturally vertical stream the most again, brush the treatment fluid being more than；Baking is to lead
Dacroment treatment fluid on phyllopodium body changes the process of film forming layer, is sintered solidifying oxidoreduction through the temperature of about 300 DEG C,
Then clean, stator of polishing can complete.
Further, in the first step, pre-treatment is organic solvent, alkaline cleaner defat or sandblasting.
Further, in second step, Dacroment treatment fluid is made up of aluminum shot, chromic anhydride and resin, cured film forming layer net vertical
Body structure.
The construction method of a kind of extinction by automatic sprinkling system, it is characterised in that comprise the following steps, 1, preparation of construction, first
First it is familiar with drawing, examines device therefor material in figure, beam worker facility, arrange according to the duration and the work of schedule requirement reasonable disposition
Power, proposes to get the raw materials ready and adopt for plan；2, set aside pre-embedded, when construction with civil engineering and finishing close fit, workmen's mixed soil
Build by figure reserving hole, service sleeve, tub is embedded reserving hole and fixes, proceed next procedure construction；3, steel pipe is dark
Joining: embedded steel tube first carries out presentation quality inspection, steel pipe inner wall Glabrous stings, and the mouth of pipe scrapes light, inner wall of welded pipe brush antirust paint；4、
Pipeline and valve are installed, and pipe level installs the gradient preferably setting 0.002--0.005, slope aspect water draw-off；5, pipeline pressure test.
Community extinction by automatic sprinkling system construction method of installation summary: fire product used by this engineering should have product qualified
Card, fire product production licence, selling license.Approach facility material specification, model should meet design requirement.For spray line
Tubing every batch march into the arena after should sample and make the 1.4MPa water pressure test.
Community extinction by automatic sprinkling system construction method of installation
1. preparation of construction
Fire product used by this engineering should have work certificate, fire product production licence, selling license.Approach facility material is advised
Lattice, model should meet design requirement.Should sample after the tubing every batch of spray line is marched into the arena and make the 1.4MPa water pressure test, shower nozzle is made
The 3MPa water pressure test., alarm valve leak test one by one, valve, shower nozzle sampling intensity, leak test result should meet construction and test
Receipts specification specifies.
2. construction arranges
Spray piping is installed and floor should be divided to carry out from bottom to top by subregion, and its technological process is as follows:
Preparation → piping network installation → equipment installation → shower nozzle arm installation → shower nozzle and system component installation → water flowing debugging are installed
3. support of pipelines
All of support of pipelines should be sought unity of standard, and concentrates and makes, and makes every effort to ensure unanimously with attractive in appearance.It is horizontally mounted the card holder one of pipeline
As based on suspension bracket, by GB S161 select.
4. piping network installation
Owing to this engineering spray quantities is big, and the similar layout of pipeline is more, and coating steel pipe uses processing prefabricated, existing as far as possible
The method that field is installed, and mark should be taked.Answer alignment pipe before Pipe installing and remove internal foreign material, stopping installing when installing
Pipeline uncovered should block.Pipe level installs the gradient preferably setting 0.002--0.005, slope aspect water draw-off.Every section of main should
If 1 anti-shake support.When pipeline changes direction, should set up anti-shake support, the installation site of pipe-hanger support should not hinder shower nozzle
Water spray effect.When pipeline reducing diameter, reducing joint should be used.Coating steel pipe cuts off and uses abrasive wheel cutting machine, after pipe cutting
Flat nick is frustrated with frustrating cutter.Screw thread processing use D100 die head threading machine, should check before mantle fiber that pipe end is the most straight, mantle fiber answer twice complete
Become, make screw thread tapered.The burr of silk mouth should be removed after mantle fiber is complete, make the mouth of pipe smooth.After Pipe installing is complete, the fiber crops that should will expose
Silk is cleaned out.Large diameter pipeline uses coating steel pipe clamp connection, and connector is professional production product, during Pipe installing, and should
Interface is cleaned out.Draining after every layer of water flow indicator is connected to waste pipe.
5. the water pressure test
The water pressure test should be layered and carry out, to pinpoint the problems in time.Peak exhaust apparatus to be had during water in test, height respectively fills
One piece of Pressure gauge, checks after filling up water that pipeline, with or without leakage, occurs after boosting carrying out labelling, release post processing when revealing again.Must
Will time reveal water process.Test pressure uses 1.4MPa；The voltage stabilizing 30min when pressure testing, range estimation pipe network without revealing and should deform, and
Pressure drop no more than 0.05MPa is qualified.System carries out the system water pressure test after all installing again, and pressure testing is qualified by pressure
Being down to operating pressure and make leak test, voltage stabilizing 24 hours is non-leakage for qualified.Examination formality is handled in time after pressure testing is qualified.
6. rinse
Spray that pipeline pressure test is complete can do flushing work continuously.It is ensured that there is enough discharge in pipe during flushing.Drainage pipeline should
Being reliably connected with drainage system, its discharge should unimpeded and safety.Should be continuous during pipe network wash, when the color of exit water, transparent
In basic one to time, can terminate degree with the color of water inlet.The water (flow) direction of pipe network wash should with go out water time pipe network water (flow) direction
Unanimously.Rinse qualified after should by pipe water get rid of totally and in time handle examination formality.
7. alarm valve is installed
Install alarm valve time water source control valve, alarm valve should be first installed, then carry out again according to equipment specification subsidiary conduit and
Adnexa is installed.Water source control valve, alarm valve and the connection of sparge pipe main, should make water (flow) direction consistent.Alarm valve group is installed
Position should meet design requirement.When designing no requirement (NR), alarm valve group is arranged on above the fold convenient to operate, away from flooring
Highly it is preferably the distance preferably less than 0.5m of 1.2m: both sides and wall；Front is not preferably less than 1.2m with wall distance.Alarm valve group is installed
Flooring should have pumping equipment.
8. water flowing debugging
Sprinkling system installs and carries out overall water flowing, makes system reach service pressure and prepares debugging.Put by end equipment
Water, when ductwork pressure drops to setting value, stabilized pressure pump should start, and stops discharging water, when ductwork pressure returns to normal value, surely
Press pump should be out of service.When end equipment discharges water with the flow of 0.94--1.5L/S, stabilized pressure pump answers self-locking.Water flow indicator,
Pressure switch, warning water system and fire pump etc. should actions in time send corresponding signal.
Further, in the 4th step, steel pipe is coating steel pipe.Coating steel pipe uses processes method prefabricated, field erected,
Spray water supply system pipeline uses coating steel pipe, and caliber DN ＜ 100 mm uses screwed connection, and DN >=100mm uses clip even
Connect.
Further, in the 3rd step, large diameter pipeline uses coating steel pipe clamp connection.
Compared with prior art, the present invention has a following beneficial effect:
Benefit of the invention is, technique is skilled, had both improve product quality, and had protected again natural ecological environment.This coating has
Have nuisanceless, without features such as hydrogen embrittlement, excellent corrosion resistance, impregnability, thermostabilitys, it is to avoid steel pipe plating leakage, good product quality, no
Easily get rusty.
Detailed description of the invention
The most peering the preferred embodiments of the present invention illustrate, it will be appreciated that preferred embodiment described herein is only
For instruction and explanation of the present invention, it is not intended to limit the present invention.
The processing technology of the fire pump guide wheel of a kind of coating of embodiment, comprises the steps, pre-treatment, removing is led
After the greasy dirt of leaf surface, ferrum and oxide skin foreign material, carry out surface oxide layer process with shot-blasting machine；In the first step, pre-treatment is for having
Machine solvent, alkaline cleaner defat or sandblasting.Coating is with dacro solution spraying or dipping fire pump stator, uses the most again
Centrifuge dripping, naturally hang down stream, brush the treatment fluid being more than；In second step, Dacroment treatment fluid is by aluminum shot, chromic anhydride and resin group
Become, the netted stereochemical structure of cured film forming layer.Baking is the process that the Dacroment treatment fluid on stator matrix changes film forming layer,
It is sintered solidifying oxidoreduction through the temperature of about 300 DEG C, then cleans, stator of polishing can complete.
The foregoing is only explanation embodiments of the present invention, be not limited to the present invention, for the technology of this area
For personnel, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in
Within protection scope of the present invention.
Claims (3)
1. the processing technology of the fire pump guide wheel of a coating, it is characterised in that comprise the steps, pre-treatment, removes
After the greasy dirt on stator surface, ferrum and oxide skin foreign material, carry out surface oxide layer process with shot-blasting machine；Coating is to use dacro solution
Spraying or dipping fire pump stator, use centrifuge dripping, naturally vertical stream the most again, brush the treatment fluid being more than；Baking be by
Dacroment treatment fluid on stator matrix changes the process of film forming layer, is sintered solidification oxidation also through the temperature of about 300 DEG C
Former, then clean, stator of polishing can complete.
The processing technology of the fire pump guide wheel of coating the most according to claim 1, it is characterised in that: in the first step, front
It is processed as organic solvent, alkaline cleaner defat or sandblasting.
The processing technology of the fire pump guide wheel of coating the most according to claim 1, it is characterised in that: in second step, reach
Crow treatment fluid is made up of aluminum shot, chromic anhydride and resin, the netted stereochemical structure of cured film forming layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610610566.5A CN106286405A (en) | 2016-07-29 | 2016-07-29 | A kind of processing technology of the fire pump guide wheel of coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610610566.5A CN106286405A (en) | 2016-07-29 | 2016-07-29 | A kind of processing technology of the fire pump guide wheel of coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106286405A true CN106286405A (en) | 2017-01-04 |
Family
ID=57663084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610610566.5A Pending CN106286405A (en) | 2016-07-29 | 2016-07-29 | A kind of processing technology of the fire pump guide wheel of coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701194A (en) * | 2018-12-19 | 2019-05-03 | 北京龙辰泉消防设备安装工程有限公司 | A kind of construction method of fire engineering spraying fire-extinguishing system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861915A (en) * | 2012-09-17 | 2013-01-09 | 无锡华悦光学镜盒有限公司 | Surface coating technique of powder metallurgical parts |
| CN104152791A (en) * | 2014-08-14 | 2014-11-19 | 无锡阁特精密冷拔管有限公司 | High-strength hard seamless steel tube and manufacturing technology thereof |
-
2016
- 2016-07-29 CN CN201610610566.5A patent/CN106286405A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861915A (en) * | 2012-09-17 | 2013-01-09 | 无锡华悦光学镜盒有限公司 | Surface coating technique of powder metallurgical parts |
| CN104152791A (en) * | 2014-08-14 | 2014-11-19 | 无锡阁特精密冷拔管有限公司 | High-strength hard seamless steel tube and manufacturing technology thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张雪莲 等: "达克罗涂覆工艺及涂层检验要点浅析", 《科技致富向导》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701194A (en) * | 2018-12-19 | 2019-05-03 | 北京龙辰泉消防设备安装工程有限公司 | A kind of construction method of fire engineering spraying fire-extinguishing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
|
| RJ01 | Rejection of invention patent application after publication |