CN107755124A - A kind of spraying system and its implementation - Google Patents
A kind of spraying system and its implementation Download PDFInfo
- Publication number
- CN107755124A CN107755124A CN201710935777.0A CN201710935777A CN107755124A CN 107755124 A CN107755124 A CN 107755124A CN 201710935777 A CN201710935777 A CN 201710935777A CN 107755124 A CN107755124 A CN 107755124A
- Authority
- CN
- China
- Prior art keywords
- liquid
- gas
- pressure value
- agitator tank
- sealing
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0078—Arrangements for separately storing several components
- B05B11/0081—Arrangements for separately storing several components and for mixing the components in a common container as a mixture ready for use before discharging the latter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Nozzles (AREA)
Abstract
The present invention provides a kind of spraying system and its implementation, and the spraying system includes spraying liquid discharge device, liquid homogenization sealing apparatus for placing, source of the gas and provides device, man-machine interaction unit and server.Wherein, operating personnel are by man-machine interaction unit by the information transmission of concrete operations to server, the information for the concrete operations that server storage is transmitted, and by the information to being gathered in real time in device compared with the parameter of corresponding setting, judge whether the information of execution concrete operations, source of the gas provides device and is used for provide gas in spraying liquid homogenization apparatus for placing, liquid homogenization sealing apparatus for placing holds liquid to be sprayed for sealing and stirring is homogenized to it, and spraying liquid discharge device is used for spray operation and the withdrawing fluid after operation stops.The present invention improves spray operation efficiency, eliminates spray operation accident potential.
Description
Technical field
The present invention relates to a kind of spraying system, especially a kind of historical relic spraying protection system, belong to Techniques of Relics Protection
Field.
Background technology
Existing historical relic is protected with spraying, generally using the equipment of hand-held, carries out manual operation, easily because to be sprayed
The reason such as liquid sedimentation or manual operation repeatability difference, causes that the effect of spraying treatment is uneven, stability is poor；The spray of automation
In mist equipment, the maintenance to nozzle was both lacked, and so as to easily cause the blocking of nozzle, had lacked again and treat the equal of spraying liquid
Processing is homogenized, so as to shorten the service life of equipment, and by artificially identifying during liquid feeding, easily because of the liquid of addition
Effect that is non-required and causing spraying treatment is deteriorated.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention proposes a kind of spraying system and its implementation, wherein：
System mainly includes such as lower component：Spraying, liquid discharge device, source of the gas provide device, liquid homogenization seals apparatus for placing, clothes
Business device and scanning recognition device；Source of the gas provides device and liquid homogenization sealing apparatus for placing is provided with signal pickup assembly, point
Cai Ji not the atmospheric pressure value of source of the gas offer device and atmospheric pressure value, the level value of liquid homogenization sealing apparatus for placing；Liquid homogenizes
Sealing apparatus for placing is a kind of sealing agitator tank with motor, and motor is positioned at the bottom of sealing agitator tank；Source of the gas
It is a kind of device collectively constituted by air compressor and air accumulator to provide device；Liquid discharge device of spraying is specifically a kind of hand-held
Spray gun.
The spraying system is that implementation method mainly comprises the following steps：
S1. by man-machine interaction unit, activation system equipment is controlled, to the end of 200s preheating time, after equipment normally starts,
The atmospheric pressure value that data acquisition unit provides the source of the gas collected device is tested, when air pressure value stabilization is in 0.3~0.4MPa
When, starting state unit, the liquid level in the atmospheric pressure value of the real-time source of the gas collected according to data acquisition unit, sealing agitator tank
Value and atmospheric pressure value, are shown by man-machine interaction unit；
If the atmospheric pressure value of the source of the gas collected is less than 0.3~0.4MPa, startup air compressor, the aerating into air accumulator, directly
To source of the gas air pressure value stabilization in 0.3~0.4MPa；
If the atmospheric pressure value in the sealing agitator tank collected is less than 0.3~0.4MPa, the blast pipe of sealing agitator tank is first closed
Road and time liquid gas circuit, restart air compressor, the aerating into air accumulator, exist until sealing the air pressure value stabilization in agitator tank
0.3~0.4MPa；
S2. after starting state unit, data acquisition unit still needs the air pressure in atmospheric pressure value and sealing agitator tank to source of the gas
Value is acquired and tested incessantly, when the atmospheric pressure value of source of the gas is less than 0.3~0.4MPa, starts air compressor；When close
When atmospheric pressure value in envelope agitator tank is less than 0.3~0.4MPa, first closes the gas exhaust piping of sealing agitator tank and return liquid gas circuit, then open
Engine-driven air compressor；
When the air pressure value stabilization of source of the gas is in 0.3~0.4MPa, and the atmospheric pressure value sealed in agitator tank is also stabilized in 0.3~0.4MPa
When, data acquisition unit collection seals the real-time level in agitator tank：
A) when liquid level is in middle liquid level, can be optionally fed into fluid replacing unit, operating unit or maintenance unit three in one
Kind；
B) when the liquid level detected is in high level, pressure masks fluid replacing unit, that is, is only capable of start-up operation unit and maintenance
Unit；
C) when the liquid level detected is in low liquid level, force start fluid replacing unit, that is, it is only capable of carrying out fluid infusion, it is impossible to start maintenance
Unit and operating unit.
S3. it is now in running order into working cell, specifically with spraying out after start-up operation unit
Liquid device carries out spray operations to pending workpiece；State cell now be constantly in starting state i.e. always to air pressure and
During liquid level constantly detects；
During spray operation, system can first open air inlet pipeline, be then shut off replenishing line, turn off gas exhaust piping, then
Liquid gas circuit is closed back, finally opens drain line, you can carries out normal spray operation.
S4. when workpiece spraying terminate after, operating personnel will spray liquid discharge device hang up, when data acquisition unit collects spray
After rifle is hung up, by man-machine interaction unit, start " spray gun hang-up " function, specifically：Time in data acquisition unit after
Electrical equipment starts timing, calculates the suspension time of spraying liquid discharge device, starts working cell state if being kept less than 5 minutes；
If greater than 5 minutes, then system equipment is directly closed.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the system flow chart of the present invention；
Fig. 2 is the System control structures figure of the present invention；
Fig. 3 is fluid infusion flow chart；
Fig. 4 is maintenance flow chart；
Fig. 5 is spray operations flow chart.
Embodiment
A kind of spraying system of the present invention, including following critical piece：Spraying liquid discharge device, source of the gas offer device, liquid are equal
Homogenize sealing apparatus for placing, server and scanning recognition device；Source of the gas provides device and liquid homogenization sealing apparatus for placing is all provided with
Signal pickup assembly is equipped with, source of the gas is gathered respectively and the atmospheric pressure value of device and the air pressure of liquid homogenization sealing apparatus for placing is provided
Value, level value.
Liquid discharge device of spraying is specifically a kind of hand-held spray guns；Liquid homogenization sealing apparatus for placing is specifically that one kind carries
The sealing agitator tank of motor, liquid Homogenization Treatments to be sprayed can be imitated with solving the sedimentation of spraying liquid and spraying
The problem of fruit is uneven；Motor is positioned at the bottom of sealing agitator tank；It is specifically that one kind is compressed by air that source of the gas, which provides device,
The device that machine and air accumulator collectively constitute.
Spraying liquid discharge device homogenizes sealing apparatus for placing with liquid and is connected, and source of the gas provides device and liquid homogenization is close
Envelope apparatus for placing is connected, and barcode scanning identifier is connected with server, and server homogenizes sealing apparatus for placing with liquid and is connected
Connect, server controls each hardware to cooperate by operating man-machine interaction unit.
Specific workflow is as depicted in figs. 1 and 2：Mainly comprise the following steps.
1. by man-machine interaction unit, activation system equipment is controlled, to the end of 200s preheating time, equipment normally opens
Dynamic, after equipment starts, data acquisition unit provides device atmospheric pressure value to the source of the gas collected and tested, when air pressure value stabilization exists
During 0.3~0.4MPa, starting state unit, the atmospheric pressure value of the real-time source of the gas collected according to data acquisition unit, sealing are stirred
The level value and atmospheric pressure value in tank are mixed, is shown by man-machine interaction unit；
If the atmospheric pressure value of the source of the gas collected is less than 0.3~0.4MPa, startup air compressor, the aerating into air accumulator, directly
To source of the gas air pressure value stabilization in 0.3~0.4MPa.
If the atmospheric pressure value in the sealing agitator tank collected is less than 0.3~0.4MPa, the row of sealing agitator tank is first closed
Air pipe and time liquid gas circuit, restart air compressor, the aerating into air accumulator, until sealing the air pressure value stabilization in agitator tank
In 0.3~0.4MPa.
Under normal working condition, for the air pressure value stabilization of source of the gas in 0.3~0.4MPa, state cell shows that " source of the gas is just
Often ", the air pressure value stabilization of agitator tank is sealed in 0.3~0.4MPa, and state cell is shown " tank body is ready ".When state cell is shown
When " source of the gas is under-voltage ", system can start air compressor, the aerating into air accumulator, until source of the gas stable gas pressure 0.3~
After 0.4MPa, it is further continued for operating；When state cell shows " tank body is under-voltage ", system can first close the blast pipe of sealing agitator tank
Road and time liquid gas circuit, restart air compressor, the aerating into air accumulator, exist until sealing the air pressure value stabilization in agitator tank
After 0.3~0.4MPa, it is further continued for operating.
2. after starting state unit, data acquisition unit still needs the gas in atmospheric pressure value and sealing agitator tank to source of the gas
Pressure value is acquired and tested incessantly, when the atmospheric pressure value of source of the gas is less than 0.3~0.4MPa, starts air compressor；When
When atmospheric pressure value in sealing agitator tank is less than 0.3~0.4MPa, first closes the gas exhaust piping of sealing agitator tank and return liquid gas circuit, then
Start air compressor.
When the air pressure value stabilization of source of the gas is in 0.3~0.4MPa, and the atmospheric pressure value sealed in agitator tank be also stabilized in 0.3~
During 0.4MPa, the real-time level in data acquisition unit collection sealing agitator tank：
A) when liquid level is in middle liquid level, can be optionally fed into fluid replacing unit, operating unit or maintenance unit three in one
Kind；
B) when the liquid level detected is in high level, pressure masks fluid replacing unit, that is, is only capable of start-up operation unit and maintenance
Unit；C) when the liquid level detected is in low liquid level, force start fluid replacing unit, that is, it is only capable of carrying out fluid infusion, it is impossible to start and protect
Support unit and operating unit.
3. it is now in running order into working cell, specifically with spraying out after start-up operation unit
Liquid device carries out spray operations to pending workpiece.(state cell now is constantly in starting state i.e. always to air pressure
In constantly being detected with liquid level).
As shown in Figure 5：During spray operation, system can first open air inlet pipeline, be then shut off replenishing line, turn off
Gas exhaust piping, liquid gas circuit is then shut off back, finally opens drain line, you can carry out normal spray operation.
4. when workpiece spraying terminate after, it is desirable to operating personnel will spray liquid discharge device hang up, when data acquisition unit collection
After being hung up to spray gun, by man-machine interaction unit, start " spray gun hang-up " function, specifically：In data acquisition unit when
Between relay start timing, the suspension time of spraying liquid discharge device is calculated, if keeping startup working cell shape less than 5 minutes
State；If greater than 5 minutes, then system equipment is directly closed.
5. the workflow of fluid replacing unit, as shown in figure 3, specific as follows：
When data acquisition unit collects low liquid level, system can eject the operation interface of " fluid infusion " always, now to prevent from mending
The liquid filled can not use or injury device, can only supplement specified liquid.Idiographic flow is：Scanning element treats the liquid of supplement
Quick Response Code be identified, if identification compares successfully, progress fluid infusion operation.During fluid infusion, system can first close sealing
The air inlet pipeline of agitator tank, the drain line of sealing agitator tank is turned off, then open the gas exhaust piping of sealing agitator tank, finally
The replenishing line of sealing agitator tank is opened, equipment can be carried out fluid infusion.
When data acquisition unit collects high level, the operation interface of " fluid infusion " can be ashed by system, be lost using benefit
Liquid function.
6. the workflow of unit is maintained, as shown in figure 4, specific as follows：
, it is necessary to when flowing back and clear up spraying liquid remaining in spray gun and in drain line after workpiece completion spray operation, you can
Selection carries out the operation of " maintenance ".Clicking operation enters the operation interface of " maintenance " on man-machine interaction unit, and system can be closed first
Air inlet pipeline is closed, is then shut off replenishing line, turns off gas exhaust piping, then opens drain line, finally opens back liquid gas circuit,
Maintenance operation can be carried out, system can clear up spray gun spray nozzle and drain line by way of returning liquid gas circuit air inlet.
The concrete technical scheme being not limited to described in above-described embodiment of the present invention, all technologies formed using equivalent substitution
Scheme is the protection domain of application claims.
Claims (6)
1. a kind of spraying system, main to include such as lower component：Spraying, liquid discharge device, source of the gas provide device, liquid homogenization seals
Apparatus for placing, server and scanning recognition device；Source of the gas provides device and liquid homogenization sealing apparatus for placing is provided with signal
Harvester, source of the gas is gathered respectively the atmospheric pressure value of device and atmospheric pressure value, the level value of liquid homogenization sealing apparatus for placing are provided；
Spraying liquid discharge device homogenizes sealing apparatus for placing with liquid and is connected, and source of the gas provides device and held with liquid homogenization sealing
Device is connected, and barcode scanning identifier is connected with server, and server homogenizes sealing apparatus for placing with liquid and is connected, and server passes through
Man-machine interaction unit is operated, controls each hardware to cooperate.
A kind of 2. spraying system according to claim 1, it is characterised in that：Liquid homogenization sealing apparatus for placing is a kind of
Sealing agitator tank with motor, motor is positioned at the bottom of sealing agitator tank；Source of the gas offer device is one kind by sky
The device that air compressor and air accumulator collectively constitute；Liquid discharge device of spraying is specifically a kind of hand-held spray guns.
3. a kind of spraying system according to claim 1 or 2, its implementation comprise the following steps：
S1. by man-machine interaction unit, activation system equipment is controlled, to the end of 200s preheating time, after equipment normally starts,
The atmospheric pressure value that data acquisition unit provides the source of the gas collected device is tested, when air pressure value stabilization is in 0.3~0.4MPa
When, starting state unit, the liquid level in the atmospheric pressure value of the real-time source of the gas collected according to data acquisition unit, sealing agitator tank
Value and atmospheric pressure value, are shown by man-machine interaction unit；
If the atmospheric pressure value of the source of the gas collected is less than 0.3~0.4MPa, startup air compressor, the aerating into air accumulator, directly
To source of the gas air pressure value stabilization in 0.3~0.4MPa；
If the atmospheric pressure value in the sealing agitator tank collected is less than 0.3~0.4MPa, the blast pipe of sealing agitator tank is first closed
Road and time liquid gas circuit, restart air compressor, the aerating into air accumulator, exist until sealing the air pressure value stabilization in agitator tank
0.3~0.4MPa；
S2. after starting state unit, data acquisition unit still needs the air pressure in atmospheric pressure value and sealing agitator tank to source of the gas
Value is acquired and tested incessantly, when the atmospheric pressure value of source of the gas is less than 0.3~0.4MPa, starts air compressor；When close
When atmospheric pressure value in envelope agitator tank is less than 0.3~0.4MPa, first closes the gas exhaust piping of sealing agitator tank and return liquid gas circuit, then open
Engine-driven air compressor；
When the air pressure value stabilization of source of the gas is in 0.3~0.4MPa, and the atmospheric pressure value sealed in agitator tank is also stabilized in 0.3~0.4MPa
When, data acquisition unit collection seals the real-time level in agitator tank：
A) when liquid level is in middle liquid level, can be optionally fed into fluid replacing unit, operating unit or maintenance unit three in one
Kind.
B) when the liquid level detected is in high level, pressure masks fluid replacing unit, that is, is only capable of start-up operation unit and maintenance
Unit；
C) when the liquid level detected is in low liquid level, force start fluid replacing unit, that is, it is only capable of carrying out fluid infusion, it is impossible to start maintenance
Unit and operating unit；
S3. after start-up operation unit, it is now in running order into working cell, is specifically filled with liquid of spraying out
Put and spray operations are carried out to pending workpiece；State cell now is constantly in starting state i.e. always to air pressure and liquid level
In constantly detecting；
During spray operation, system can first open air inlet pipeline, be then shut off replenishing line, turn off gas exhaust piping, then
Liquid gas circuit is closed back, finally opens drain line, you can carries out normal spray operation.
S4. when workpiece spraying terminate after, operating personnel will spray liquid discharge device hang up, when data acquisition unit collect spray gun extension
After rising, by man-machine interaction unit, start " spray gun hang-up " function, specifically：The time relay in data acquisition unit
Start timing, calculate the suspension time of spraying liquid discharge device, start working cell state if being kept less than 5 minutes；If
More than 5 minutes, then system equipment is directly closed.
4. spraying system implementation method according to claim 3, it is characterised in that：Described state cell, normal
Under working condition, for the air pressure value stabilization of source of the gas in 0.3~0.4MPa, state cell shows " source of the gas is normal ", seals agitator tank
In 0.3~0.4MPa, state cell is shown " tank body is ready " air pressure value stabilization；When state cell shows " source of the gas is under-voltage ", it is
System can start air compressor, the aerating into air accumulator, until the stable gas pressure of source of the gas is after 0.3~0.4MPa, be further continued for grasping
Make；When state cell shows " tank body is under-voltage ", system can first close the gas exhaust piping of sealing agitator tank and return liquid gas circuit, then open
Engine-driven air compressor, the aerating into air accumulator, until sealing the air pressure value stabilization in agitator tank after 0.3~0.4MPa, followed by
Continuous operation.
5. spraying system implementation method according to claim 3, it is characterised in that：The workflow of described fluid replacing unit
It is as follows：
When data acquisition unit collects low liquid level, system can eject the operation interface of " fluid infusion " always, now to prevent from mending
The liquid filled can not use or injury device, can only supplement specified liquid；Idiographic flow is：Scanning element treats the liquid of supplement
Quick Response Code be identified, if identification compares successfully, progress fluid infusion operation.During fluid infusion, system can first close sealing
The air inlet pipeline of agitator tank, the drain line of sealing agitator tank is turned off, then open the gas exhaust piping of sealing agitator tank, finally
The replenishing line of sealing agitator tank is opened, equipment can be carried out fluid infusion；
When data acquisition unit collects high level, the operation interface of " fluid infusion " can be ashed by system, be lost using fluid infusion work(
Energy.
6. spraying system implementation method according to claim 3, it is characterised in that：The workflow of described maintenance unit
It is as follows：
, it is necessary to when flowing back and clear up spraying liquid remaining in spray gun and in drain line after workpiece completion spray operation, you can
Selection carries out the operation of " maintenance "；Clicking operation enters the operation interface of " maintenance " on man-machine interaction unit, and system can be closed first
Air inlet pipeline is closed, is then shut off replenishing line, turns off gas exhaust piping, then opens drain line, finally opens back liquid gas circuit,
Maintenance operation can be carried out, system can clear up spray gun spray nozzle and drain line by way of returning liquid gas circuit air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935777.0A CN107755124B (en) | 2017-10-10 | 2017-10-10 | A kind of spraying system and its implementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935777.0A CN107755124B (en) | 2017-10-10 | 2017-10-10 | A kind of spraying system and its implementation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107755124A true CN107755124A (en) | 2018-03-06 |
| CN107755124B CN107755124B (en) | 2019-09-20 |
Family
ID=61267161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710935777.0A Active CN107755124B (en) | 2017-10-10 | 2017-10-10 | A kind of spraying system and its implementation |
Country Status (1)
| Country | Link |
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| CN (1) | CN107755124B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706773A (en) * | 2020-07-02 | 2020-09-25 | 浙江壹达真空设备制造有限公司 | Adjustable engine oil spraying device for vacuum pump |
| WO2021031775A1 (en) * | 2019-08-16 | 2021-02-25 | 南京华鼎纳米技术研究院有限公司 | Implementation method for large book deacidification system |
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| CN2506356Y (en) * | 2001-11-09 | 2002-08-21 | 杜秋海 | Pneumatic sprayer |
| US20030231982A1 (en) * | 1999-09-30 | 2003-12-18 | Myrick Stephen E. | Method of forming gas-enriched fluid |
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| CN101670325A (en) * | 2009-09-30 | 2010-03-17 | 东莞市广益食品添加剂实业有限公司 | Liquid storing tank with fixed liquid discharge and atomizer with the liquid storing tank |
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| CN104016011A (en) * | 2014-06-23 | 2014-09-03 | 郭宵琦 | Gas-liquid separation type spray tank |
| CN205461541U (en) * | 2016-01-18 | 2016-08-17 | 武汉理工大学 | Automatic mist spray dust removal heat sink of intelligence |
| WO2016142526A1 (en) * | 2015-03-11 | 2016-09-15 | Linde Aktiengesellschaft | A device for atomising a liquid |
| CN105957326A (en) * | 2016-06-24 | 2016-09-21 | 高晓扬 | Fragrance spreading equipment, control method thereof, fragrance control server and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190033A (en) * | 1997-02-05 | 1998-08-12 | 大日工业株式会社 | Insecticide sprayer |
| US20030231982A1 (en) * | 1999-09-30 | 2003-12-18 | Myrick Stephen E. | Method of forming gas-enriched fluid |
| CN2506356Y (en) * | 2001-11-09 | 2002-08-21 | 杜秋海 | Pneumatic sprayer |
| CN1628912A (en) * | 2003-06-25 | 2005-06-22 | 喷洒系统公司 | Method and apparatus for monitoring system integrity in gas conditioning applications |
| CN101670325A (en) * | 2009-09-30 | 2010-03-17 | 东莞市广益食品添加剂实业有限公司 | Liquid storing tank with fixed liquid discharge and atomizer with the liquid storing tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031775A1 (en) * | 2019-08-16 | 2021-02-25 | 南京华鼎纳米技术研究院有限公司 | Implementation method for large book deacidification system |
| CN111706773A (en) * | 2020-07-02 | 2020-09-25 | 浙江壹达真空设备制造有限公司 | Adjustable engine oil spraying device for vacuum pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107755124B (en) | 2019-09-20 |
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