CN103694065A - Micro spherical explosive washing apparatus and method - Google Patents
Micro spherical explosive washing apparatus and method Download PDFInfo
- Publication number
- CN103694065A CN103694065A CN201310561584.5A CN201310561584A CN103694065A CN 103694065 A CN103694065 A CN 103694065A CN 201310561584 A CN201310561584 A CN 201310561584A CN 103694065 A CN103694065 A CN 103694065A
- Authority
- CN
- China
- Prior art keywords
- subsider
- tank
- controlling system
- water
- miniature ball
- 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.)
- Granted
Links
Images
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention discloses a micro spherical explosive washing apparatus and a method. The micro spherical explosive washing apparatus comprises a sedimentation tank, wherein a detachable filtration plate parallel to the bottom of the sedimentation tank is arranged inside the sedimentation tank, a filtration cloth is paved on the sedimentation tank, the diameter of meshes on the filtration cloth is less than the diameter of the micro spherical explosive, the sedimentation tank inner wall above the filtration plate is provided with a water spraying device, the water spraying device is connected with a constant temperature hot water tank through a water inlet pipe, an explosive wetting high position tank is positioned just above the sedimentation tank, the bottom end of the explosive wetting high position tank is provided with a control valve, the control valve is connected with a control system, the bottom of the sedimentation tank is connected with the upper end of a buffer tank through a transparent soft pipe, the bottom of the buffer tank is provided with a liquid discharge pipe, the liquid discharge pipe is provided with a concentration online detector, the top end of the buffer tank is connected with a vacuum pump through a gas pump pipe, and the concentration online detector and the vacuum pump are connected with the control system. With the apparatus and the method, human and apparatus isolation of the micro spherical explosive washing process can be achieved, the washing efficiency is improved, and automation is achieved.
Description
Technical field
The invention belongs to fiery explosive field, relate generally to a kind of miniature ball washing device and technique, relate in particular to a kind of device and method that can realize fast miniature ball washing automatization, serialization.
Background technology
Miniature ball (general diameter 50 μ m are following) is mainly used in the composite modified double base propellant Slurry casting technique of high-energy, low adhesive content.High quality, low cost, the meticulous ball of particle is the key of application Slurry casting technique, wherein washes ball operation and be mainly to wash away the gelatine of ball remained on surface and inorganic salt etc., washes ball whether thoroughly very greatly to the quality influence of ball.Due to the singularity of fiery Explosive Industry, domestic existing miniature ball what wash that ball technique mainly adopts is natural sedimentation.First miniature ball to be washed is positioned over to subsider, adds hot water hand mixing, after miniature ball natural subsidence, then subsider upper strata washings is poured out, repeatedly come and go cyclical operation limpid to washings till.
The method washes that the ball cycle is long, efficiency is low, and single was washed the ball cycle up to 10 hours; Wash ball process water loss large, cannot realize and detecting online washing ball effect, mainly to washing ball effect, judge by rule of thumb.Due to man-machine, do not isolate simultaneously, operation field poisonous and harmful, labour intensity is large, and employee's physical and mental health is caused to larger employment injuries.
Summary of the invention
The object of the invention is to wash ball operation for current miniature ball is interrupted discontinuous, human-machine operation and does not isolate, the problems such as detersive efficiency is low, environmental issue is outstanding, design and a kind ofly can realize fast the abundant washing device of ball and man-machine isolation environment is provided simultaneously, can realizes automatic continuous production technique.
To achieve these goals, the present invention takes following technical solution:
A miniature ball washing device, comprises subsider, and this device also comprises constant temp. heating tank, wet medicine header tank, surge tank, vacuum pump and Controlling System;
In described subsider, be provided with the also removable filter plate that is parallel to subsider bottom, be equipped with filter cloth on screen plate, on filter cloth, mesh diameter is less than the diameter of miniature ball; On the subsider inwall of screen plate top, be provided with waterworks, waterworks is connected with constant temp. heating tank by water inlet pipe;
Wet medicine header tank be positioned at subsider directly over, the bottom of wet medicine header tank is provided with by-pass valve control, by-pass valve control is connected to Controlling System;
The bottom of subsider is connected with the upper end of surge tank by transparent hose, and surge tank bottom is provided with liquid discharge pipe, and concentration on-line detector is installed on liquid discharge pipe; Surge tank top is connected with vacuum pump by extraction pipe, and concentration on-line detector is connected with Controlling System with vacuum pump.
Described waterworks comprises the cirele bend that is parallel to screen plate, on cirele bend with on a circumference of this cirele bend distance of center circle minimum, evenly offers a plurality of spout holes, and cirele bend is connected with water inlet pipe by flange.
On described water inlet pipe, pressure pump is installed, is provided with water-level instrumentation and temperature monitor in subsider, on the liquid discharge pipe of surge tank bottom, tapping valve is installed, pressure pump, water-level instrumentation, temperature monitor and tapping valve are all connected with Controlling System.
Described screen plate adopts heatproof polypropylene material or polyester material to make.
Described subsider is circular groove, in the sidewall of subsider, is provided with heat preservation sandwich layer.
In described wet medicine header tank, be provided with automatic scouring device and stirring rake, explosion release valve is installed on transparent hose, the strainer for the protection of vacuum pump is installed on vacuum pump.
Described liquid discharge pipe below is provided with wastewater disposal basin, is provided with waste water pump in wastewater disposal basin, and waste water pump is connected to Controlling System.
A method of washing miniature ball, comprises the following steps:
Step 1, is transported to miniature ball to be washed in wet medicine header tank, in dewing medicine header tank, adds water, opens automatic scouring device and stirring rake, and after miniature ball and water mix, Controlling System is opened by-pass valve control, and mixed solution is entered in subsider;
Step 3, Controlling System is opened vacuum pump, by in the waste liquid suction surge tank of subsider screen plate bottom, open tapping valve, by the concentration on-line detector on liquid discharge pipe, detect the concentration of waste liquid Plays material, and detected result is fed back to Controlling System, if the concentration of reference material does not reach established standards, repeated execution of steps two, step 3, until the concentration of reference material reaches established standards, finish washing process.
The temperature of hot water described in step 2 is 55～65 ℃.
When Controlling System is opened vacuum pump, in surge tank, vacuum tightness is 0～60kPa.
The present invention has following characteristics:
1. the man-machine isolation of the washing process of miniature ball, whole washing process has been realized serialization, automatization.
2. the detersive efficiency of miniature ball significantly improves, and has realized zero loss, whole technological process cleaned in situ, environmental friendliness in washing process simultaneously.
3. introduce real-time monitoring system, washing effect has been set up to the observation method of science, be convenient to launch correlation theory research, be conducive to form sector planning and standard.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of this device;
Fig. 2 is the vertical view of subsider;
Fig. 3 is the structured flowchart that this apparatus control portion is divided;
Fig. 4 is the control flow chart of this apparatus control system;
Number in the figure representative: 1-constant temp. heating tank, 2-water inlet pipe, 3-pressure pump, 4-screen plate, 5-by-pass valve control, 6-subsider, 7-wet medicine header tank, 8-cirele bend, 9-explosion release valve, 10-transparent hose, 11-liquid discharge pipe, 12-wastewater disposal basin, 13-tapping valve, 14-surge tank, 15-concentration on-line detector, 16-extraction pipe, 17-vacuum pump, 18-strainer, 19-waste water pump, 20-spout hole;
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment
The present invention implements with reference to Fig. 1, Fig. 2, Fig. 3.
A miniature ball washing device, comprises subsider 6, and this device also comprises constant temp. heating tank 1, wet medicine header tank 7, surge tank 14, vacuum pump 17 and Controlling System;
In described subsider 6, be provided with the also removable filter plate 4 that is parallel to subsider 6 bottoms, on screen plate 4, be equipped with filter cloth, the mesh diameter of filter cloth is less than the diameter of miniature ball; On subsider 6 inwalls of screen plate 4 tops, be provided with waterworks, waterworks is connected with constant temp. heating tank 1 by water inlet pipe 2;
Wet medicine header tank 7 be positioned at subsider 6 directly over, the bottom of wet medicine header tank 7 is provided with by-pass valve control 5, by-pass valve control 5 is connected to Controlling System;
The bottom of subsider 6 is connected with the upper end of surge tank 14 by transparent hose 10, and surge tank 14 bottoms are provided with liquid discharge pipe 11, and concentration on-line detector 15 is installed on liquid discharge pipe 11; Surge tank 14 tops are connected with vacuum pump 17 by extraction pipe 16, and concentration on-line detector 15 is connected with Controlling System with vacuum pump 17.
Constant temp. heating tank 1 provides the constant-temperature hot water of 55～65 ℃ of technological temperatures, and can within the scope of 40～90 ℃, realize constant temperature and automatically control.Constant-temperature hot water is delivered to subsider 6 by the pressure pump 3 on water inlet pipe 2, and the pressure range of pressure pump 3 is adjustable, by Controlling System, is controlled.
Wet medicine header tank 7 be arranged on subsider 6 directly over, its bottom is provided with by-pass valve control 5, by-pass valve control 5 is operated pneumatic valve, can carry out Flow-rate adjustment; Inside liquid level is controlled, and is provided with automatic scouring device, stirring rake, when miniature ball enters in wet medicine header tank 7 through e Foerderanlage, opens automatic scouring device after liquid level arrives desired location, starts whipping appts.
In the present invention, waterworks adopts the cirele bend 8 with spout hole 20, as shown in Figure 2, the miniature ball on screen plate 4 is washed.Cirele bend 8 is arranged on the sidewall of subsider 6, and subsider 6 is preferably circular groove, can just in time be fitted with circular groove inwall in the outer ring of cirele bend 8; Cirele bend 8 place disks are parallel with screen plate 4, on cirele bend 8 with a circumference of these cirele bend 8 distance of center circle minimums on (being on the inner ring of cirele bend 8) evenly offer a plurality of spout holes 20.
Surge tank 14 is for extracting the waste liquid of subsider 6 bottoms, and subsider 6 bottoms are connected with surge tank 14 upper ends by transparent hose 10; Explosion release valve 9 is installed on transparent hose 10; On the liquid discharge pipe 11 of surge tank 14 lower ends, be provided with the tapping valve 13 and the concentration on-line detector 15 that are connected with Controlling System, be responsible for the concentration of the standard reference material of waste water to detect online, standard reference material refers generally to gelatine or sodium sulfate.
Vacuum pump 17 is connected to the top of surge tank 14 by pipeline, for vacuum environment is provided, form negative pressure, extracts the waste liquid of subsider 6 bottoms.Strainer 18 is installed on vacuum pump 17, vacuum pump 17 is protected.
The waste liquid of discharging in surge tank 14 enters in the wastewater disposal basin 12 of surge tank 14 belows, is provided with the waste water pump 19 being connected with control center in wastewater disposal basin 12, and waste water pump 19 is evacuated to treatment center of sewage by waste water.
The Controlling System of this device is PLC controller, on PLC controller, be connected with field instrument and performer, these field instruments and performer comprise by-pass valve control 5, concentration on-line detector 15, vacuum pump 17, pressure pump 3, tapping valve 13, water-level instrumentation, temperature monitor, tapping valve 13 and waste water pump 19 etc., mainly complete automatic detection and the data feedback of processing parameter; On PLC controller, be also connected with output equipment and warning howler.Output equipment mainly comprises printer, mainly completes output and the printing of production report and historical data.Controlling System completes set-point and sets, implementation data feedback, monitoring, warning, data logging and query function, according to the real-time supervisory control and data acquisition of the data such as temperature, pressure, liquid level, concentration, and carry out control strategy computing and judgement, its control process as shown in Figure 4; Final realization automatically regulates and controls.
A miniature ball washing methods, comprises the following steps:
Step 1, miniature ball to be washed is transported in wet medicine header tank, in dewing medicine header tank, add appropriate water (can select tap water), open automatic scouring device and start stirring rake after liquid level arrives desired location, stir 5～10min, after miniature ball and water mix, Controlling System is opened by-pass valve control, and mixed solution is entered in subsider; Mixed solution enters closing control valve after subsider desired location.
Step 3, Controlling System is opened vacuum pump, produces negative pressure in surge tank, makes in the waste liquid suction surge tank of subsider bottom; After waste liquid is drained, now miniature ball becomes filter cake state, open surge tank tapping valve, by the concentration on-line detector on liquid discharge pipe, detect the concentration of waste liquid Plays material, and detected result is fed back to Controlling System, and if the concentration of reference material does not reach established standards, repeated execution of steps two, step 3, until the concentration of reference material reaches established standards, finish washing process; After washing, miniature ball becomes filter cake state, and filter cake is taken out.The waste water Yi Wei unit producing in whole washing process enters treatment center of sewage through waste water pump.
Manufacturing condition of the present invention is: (1) constant temp. heating tank hot water temperature: percent by volume is consolidated in containing of 55 ℃～65 ℃ miniature ball suspension of (2) subsider: 0～50%, (3) (subsider screen plate bottom) vacuum tightness: 0～60kPa in surge tank, (4) miniature spherical powder footpath: 10～80 μ m, (5) subsider screen plate material: high strength heatproof polypropylene or woven dacron.
Due to the singularity of fiery Explosive Industry, Controlling System and operation field isolation, watch-keeping cubicle all adopts explosion-proof metal tube appropriate ground connection to operation field wire, cable etc., and signal transmitting apparatus is all equipped with corresponding insulated gate.Automatization is washed ball process system and also carried out the synchronous design of security in design, the one, the power at all scenes, electrical equipment, detection, monitoring adopt the installations and facilities of corresponding anti-hazard classification, the 2nd, in each control mode, all considered operational anomaly, monitored abnormal chain cross complaint, alarm two-stage prevention and control measure, guarantee that automatization washes essential safety and the high reliability of the operation of ball system.
Embodiment:
To certain miniature ball, utilize apparatus of the present invention to wash: this ball main component is nitro-cotton and certain effective catalyst etc., dry weight 20kg, particle size range 30 μ m～50 μ m.
Step 1, miniature ball to be washed is transported in wet medicine header tank, in dewing medicine header tank, add appropriate water to wet medicine header tank volume 1/2 place, open automatic scouring device and start stirring rake after liquid level arrives wet medicine header tank volume 2/3, stir 10min, Controlling System is opened by-pass valve control, and mixed solution is entered in subsider; Mixed solution enters subsider to closing control valve behind subsider volume 1/3 place;
Step 3, Controlling System is opened vacuum pump, makes in the waste liquid suction surge tank of subsider bottom; After waste liquid is drained, open surge tank tapping valve, by the online concentration meter on liquid discharge pipe, detect the concentration of waste liquid Plays material gelatine, and detected result is fed back to Controlling System, repeating step two, step 3 totally 3 times, detect reference material concentration and reach established standards.
Reference material concentration reaches after established standards, then carries out the washing process of a new round, and twice washing of liquid in wet medicine header tank completes, and expends altogether 0.5 hour, and adopts the medicine of traditional method washing homogenous quantities at least to need to expend 10 hours.
Claims (10)
1. a miniature ball washing device, comprises subsider (6), it is characterized in that, this device also comprises constant temp. heating tank (1), wet medicine header tank (7), surge tank (14), vacuum pump (17) and Controlling System;
In described subsider (6), be provided with the also removable filter plate (4) that is parallel to subsider (6) bottom, screen plate is equipped with filter cloth on (4), and on filter cloth, mesh diameter is less than the diameter of miniature ball; On subsider (6) inwall of screen plate (4) top, be provided with waterworks, waterworks is connected with constant temp. heating tank (1) by water inlet pipe (2);
Wet medicine header tank (7) be positioned at subsider (6) directly over, the bottom of wet medicine header tank (7) is provided with by-pass valve control (5), by-pass valve control (5) is connected to Controlling System;
The bottom of subsider (6) is connected with the upper end of surge tank (14) by transparent hose (10), and surge tank (14) bottom is provided with liquid discharge pipe (11), and concentration on-line detector (15) is installed on liquid discharge pipe (11); Surge tank (14) top is connected with vacuum pump (17) by extraction pipe (16), and concentration on-line detector (15) is connected with Controlling System with vacuum pump (17).
2. miniature ball washing device as claimed in claim 1, it is characterized in that, described waterworks comprises the cirele bend (8) that is parallel to screen plate (4), cirele bend (8) above and on a circumference of this cirele bend (8) distance of center circle minimum evenly offers a plurality of spout holes (20), and cirele bend (8) is connected with water inlet pipe (2) by flange.
3. miniature ball washing device as claimed in claim 2, it is characterized in that, pressure pump (3) is installed on described water inlet pipe (2), subsider is provided with water-level instrumentation and temperature monitor in (6), on the liquid discharge pipe (11) of surge tank (14) bottom, tapping valve (13) is installed, pressure pump (3), water-level instrumentation, temperature monitor and tapping valve (13) are all connected with Controlling System.
4. miniature ball washing device as claimed in claim 3, is characterized in that, described screen plate (4) adopts heatproof polypropylene material or polyester material to make.
5. miniature ball washing device as claimed in claim 3, is characterized in that, described subsider (6) is circular groove, in the sidewall of subsider (6), is provided with heat preservation sandwich layer.
6. miniature ball washing device as claimed in claim 3; it is characterized in that; in described wet medicine header tank (7), be provided with automatic scouring device and stirring rake; explosion release valve (9) is installed on transparent hose (10), the strainer (18) for the protection of vacuum pump (17) is installed on vacuum pump (17).
7. miniature ball washing device as claimed in claim 3, is characterized in that, described liquid discharge pipe (11) below is provided with wastewater disposal basin (12), is provided with waste water pump (19) in wastewater disposal basin (12), and waste water pump (19) is connected to Controlling System.
8. a method of utilizing the device described in claim 6 to wash miniature ball, is characterized in that, comprises the following steps:
Step 1, is transported to miniature ball to be washed in wet medicine header tank, in dewing medicine header tank, adds water, opens automatic scouring device and stirring rake, and after miniature ball and water mix, Controlling System is opened by-pass valve control, and mixed solution is entered in subsider;
Step 2, Controlling System is opened pressure pump, by constant temp. heating tank, in subsider, injects hot water, through water level detection gauge feedback, after subsider liquid level arrives subsider volume 1/2～2/3, stops water filling;
Step 3, Controlling System is opened vacuum pump, by in the waste liquid suction surge tank of subsider screen plate bottom, open tapping valve, logical concentration on-line detector detects the concentration of waste liquid Plays material, and detected result is fed back to Controlling System, if the concentration of reference material does not reach established standards, repeated execution of steps two, step 3, until the concentration of reference material reaches established standards, finish washing process.
9. method as claimed in claim 8, is characterized in that, the temperature of hot water described in step 2 is 55～65 ℃.
10. method as claimed in claim 8, is characterized in that, when Controlling System is opened vacuum pump, in surge tank, vacuum tightness is 0～60kPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310561584.5A CN103694065B (en) | 2013-11-11 | 2013-11-11 | A kind of miniature ball wash mill and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310561584.5A CN103694065B (en) | 2013-11-11 | 2013-11-11 | A kind of miniature ball wash mill and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103694065A true CN103694065A (en) | 2014-04-02 |
| CN103694065B CN103694065B (en) | 2016-07-06 |
Family
ID=50355759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310561584.5A Expired - Fee Related CN103694065B (en) | 2013-11-11 | 2013-11-11 | A kind of miniature ball wash mill and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103694065B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980072A (en) * | 2014-05-23 | 2014-08-13 | 湖南长斧众和科技有限公司 | Integral suction filtration and distribution device for manufacturing initiating explosives |
| CN105061121A (en) * | 2015-08-19 | 2015-11-18 | 西安近代化学研究所 | Explosive molding powder preparation device |
| CN105061122A (en) * | 2015-08-19 | 2015-11-18 | 西安近代化学研究所 | Preparation method for explosive molding powder |
| CN110016098A (en) * | 2019-02-25 | 2019-07-16 | 聊城氟尔新材料科技有限公司 | A kind of perfluoroethylene-propylene production cohesion wash mill |
| CN114134333A (en) * | 2021-12-06 | 2022-03-04 | 紫金铜业有限公司 | Gold powder washing and impurity removing process and device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1446895A1 (en) * | 1963-08-03 | 1969-03-13 | Wasagchemie Ag | Process and plant for the continuous delivery of liquid explosives |
| CN1037089C (en) * | 1994-05-16 | 1998-01-21 | 南京理工大学 | Double-base spherical explosive and its making method |
| EA001061B1 (en) * | 1997-12-09 | 2000-10-30 | Красноармейский Научно-Исследовательский Институт Механизации | Method and apparatus for disposal of ammunition with aluminized hexogen-containing charges |
| US6319341B1 (en) * | 2000-05-25 | 2001-11-20 | Trw Inc. | Process for preparing a gas generating composition |
| CN2773051Y (en) * | 2005-02-28 | 2006-04-19 | 宜兴新兴锆业有限公司 | Sphrical washer for preparing nickel hydroxide |
| CN101982446B (en) * | 2010-10-09 | 2012-07-11 | 西安近代化学研究所 | Continuous drying device for powdery simple substance explosive |
| CN102295496B (en) * | 2010-10-18 | 2013-03-06 | 西安近代化学研究所 | Mould for pressing semi-sphere grain |
| RU2516516C2 (en) * | 2012-03-05 | 2014-05-20 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Method of producing spherical powder |
| RU2497786C1 (en) * | 2012-03-05 | 2013-11-10 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Method of obtaining spherical gunpowder for small arms |
| CN102826938B (en) * | 2012-08-28 | 2014-12-10 | 西安近代化学研究所 | Continuous aftertreatment technology for single-compound explosive HMX |
| CN102826939B (en) * | 2012-08-28 | 2014-07-16 | 西安近代化学研究所 | Continuous aftertreatment technology for DPT (N,N-dipropyltryptamine) chemical product |
-
2013
- 2013-11-11 CN CN201310561584.5A patent/CN103694065B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980072A (en) * | 2014-05-23 | 2014-08-13 | 湖南长斧众和科技有限公司 | Integral suction filtration and distribution device for manufacturing initiating explosives |
| CN103980072B (en) * | 2014-05-23 | 2016-04-20 | 湖南长斧众和科技有限公司 | A kind of suction filtration of priming explosive manufacture divides dish integrated apparatus |
| CN105061121A (en) * | 2015-08-19 | 2015-11-18 | 西安近代化学研究所 | Explosive molding powder preparation device |
| CN105061122A (en) * | 2015-08-19 | 2015-11-18 | 西安近代化学研究所 | Preparation method for explosive molding powder |
| CN105061121B (en) * | 2015-08-19 | 2017-04-12 | 西安近代化学研究所 | Explosive molding powder preparation device |
| CN110016098A (en) * | 2019-02-25 | 2019-07-16 | 聊城氟尔新材料科技有限公司 | A kind of perfluoroethylene-propylene production cohesion wash mill |
| CN114134333A (en) * | 2021-12-06 | 2022-03-04 | 紫金铜业有限公司 | Gold powder washing and impurity removing process and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103694065B (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103694065A (en) | Micro spherical explosive washing apparatus and method | |
| CN206817179U (en) | Drainage pipeline networks on-line monitoring system | |
| CN203639256U (en) | Mobile membrane water treatment technology platform | |
| CN204434383U (en) | With the water purification machine of filter element life automatic detection function | |
| CN104946328A (en) | Air flotation gathering-scattering type drying and oil removal integrated liquid-gas separation equipment | |
| CN111322046A (en) | Sandstone thermal storage geothermal tail water efficient recharge method based on simulation | |
| CN212374960U (en) | Reverse osmosis seawater desalination automatic monitoring system using turbine type energy recovery device | |
| CN204337879U (en) | A kind of high efficiency smart mine water pretreatment complete set of equipment | |
| CN205099441U (en) | CIP cleaning equipment's waste water acid -base neutralization treatment device | |
| CN206278939U (en) | A kind of sewage disposal monitoring device | |
| CN203904276U (en) | Demulsifying agent injection device | |
| CN106153851A (en) | A kind of detection device of imflammable gas concentration | |
| CN207439858U (en) | Self-loopa differential pressure type gypsum, lime stone slurry densitometer | |
| CN204891579U (en) | A processing apparatus for hydrogen fluoride tail gas | |
| CN203683155U (en) | BSL-3 laboratory active toxic wastewater centralized treatment system | |
| CN204074604U (en) | A kind of on-line cleaning device | |
| CN203909029U (en) | Servo device of on-line automatic water quality safety monitoring system | |
| CN209333084U (en) | A kind of circulating fire fighting water system device of pipe gallery | |
| CN209702408U (en) | A kind of ultrafiltration water-purifying apparatus | |
| CN109395300A (en) | Comprehensive pipe gallery circulating fire water system device, method and application | |
| CN204044582U (en) | PH value circulation supervisory system | |
| CN217017788U (en) | Low-carbon intelligent instrument cleaning system | |
| CN205205946U (en) | Waste water recycle system that produces in pure water preparation | |
| CN106139725A (en) | A kind of waste residues in methane tank waste liquid separating and filtering device | |
| CN203833641U (en) | Novel raw water tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20191111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |