CN205683946U - A kind of horizontal mixer having from function of sizing mixing - Google Patents
A kind of horizontal mixer having from function of sizing mixing Download PDFInfo
- Publication number
- CN205683946U CN205683946U CN201620527152.1U CN201620527152U CN205683946U CN 205683946 U CN205683946 U CN 205683946U CN 201620527152 U CN201620527152 U CN 201620527152U CN 205683946 U CN205683946 U CN 205683946U
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- impeller
- rotating cylinder
- ore pulp
- medicament
- chemical feed
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Abstract
This utility model belongs to coal slime and sizes mixing flotation technology field, is specifically related to a kind of horizontal mixer having from function of sizing mixing.This utility model includes rabbling mechanism and quantitative dosing unit；Rabbling mechanism is horizontally disposed, and rotating cylinder has the most rotating impeller by impeller welding and counter-rotation type impeller, and ore pulp and air stream can be cut by the gap between dispersion hole and the impeller of impeller surface, dispersion；Ore pulp is driven by the most rotating impeller and counter-rotation type impeller respectively to the other side, improves the remineralization efficacy of ore pulp, and ore pulp and medicament are cut dispersion by the branching block being arranged on rotating cylinder inwall；Stirring sleeve on the second discharging opening and the 3rd discharging opening can by ore pulp together with medicament spouting, again aggravate mineralization degree；Quantitative dosing unit can according to instant mineral slurry flux quantitative in feeding pipe, add medicament, save dosing；This agitator need not ore pulp pre-processing device, it is possible to the center that realizes voluntarily downgrades.
Description
Technical field
This utility model belongs to coal slime and sizes mixing flotation technology field, be specifically related to a kind of have stir from the horizontal of function of sizing mixing
Mix device.
Background technology
Flotation i.e. froth flotation, is based on the difference of mineral surfaces character, by the active force of bubble from ore pulp, reaches
Sort the purpose of mineral.The most important step of flotation is before flotation, and ore pulp is carried out pretreatment operation, is ore pulp surface and changes
Matter so that the surface nature of target minreal disclosure satisfy that into floating requirement.The floatation equipment that current most of coal preparation plants use is main
For mechanical type flotation device and air jet flotation machine, additionally mechanical type flotation device mechanism is complicated, and maintenance workload is big, and power consumption is big；Spray
She Shi flotation device mechanism is relatively easy, but the adaptability with ore pulp is poor, it is impossible to enough effectively by ore pulp, medicament, microvesicle three-phase
Being effectively bonded together, other two kinds of flotation devices are required to ore pulp pretreatment unit, could meet flotation requirement.
Utility model content
The purpose of this utility model is to provide a kind of horizontal mixer having from function of sizing mixing.This agitator is at pan feeding
Mouth is provided with quantitative dosing unit；Can be according to instant mineral slurry flux data, quantitative dosing；Rabbling mechanism can adapt to dissimilarity
The ore pulp of matter, is effectively improved the mineralization degree of ore pulp, it is achieved the effect certainly sized mixing；This agitator need not ore pulp pretreatment system
System, simple in construction, easy to maintenance, save dosing.
For achieving the above object, this utility model have employed techniques below scheme: a kind of have from sizing mixing the horizontal of function
Agitator, at least includes rabbling mechanism and quantitative dosing unit, it is characterised in that: described rabbling mechanism by frequency conversion motor, rotating cylinder,
Impeller, stirring sleeve, feeding pipe composition；Described frequency conversion motor is connected with drive shaft by shaft coupling, described drive shaft and rotating cylinder
Welding together, described rotating cylinder two ends are provided with bearing one and bearing two；Branching block it is welded with on described rotating cylinder inwall, described point
Stream block is a cube of tetrahedron, and the longest stringcourse of described branching block is positioned opposite with flow of slurry direction；On described rotating cylinder outer wall
Being welded with some impellers, leave certain gap between impeller, described impeller offers dispersion hole, described impeller is with the most rotating
Impeller and counter-rotation type blade wheel structure are arranged on rotating cylinder outer surface, the most rotating described impeller and counter-rotation type impeller interlaced arrangement；Institute
State and on rotating cylinder, offer the first discharging opening being uniformly distributed in cylinder.
Described rotating cylinder is externally-arranged with stirring sleeve, and described stirring sleeve is fixed on outside rotating cylinder and is not involved in rotary motion,
Having certain gap between described stirring sleeve and rotating cylinder, described stirring sleeve two ends are provided with sealing ring, described stirring set
The lower side of cylinder uniformly offers the second discharging opening, offers the 3rd discharging opening inside stirring sleeve central axis horizontal direction；
The other end of described stirring sleeve is provided with suction nozzle, and described suction nozzle is arranged in the gap port between stirring sleeve and rotating cylinder
Place is connected with air, port sealing；The described rotating cylinder other end is provided with feeding pipe, and described feeding pipe is nested in bearing two；Institute
Stating and be provided with quantitative dosing unit on feeding pipe, the other end of feeding pipe is feeding mouth.
Described quantitative dosing unit is by medicament barrel, chemical feed pipe, rubber piston, motor, PLC control cabinet, Electromagnetic Flow
Meter, circular nut composition.
The bottom of described medicament barrel is connected with on the downside of chemical feed pipe by pipeline, and described chemical feed pipe and medicament barrel connecting place are medicine
Agent entrance, is provided with electromagnetic valve one before described medicament entrance；Electromagnetic valve two, described chemical feed pipe it is provided with on the downside of described chemical feed pipe
Outlet to be arranged on feeding pipe internal for agent outlet, described agent outlet direction flows to identical with ore pulp；Described chemical feed pipe by
Colourless transparent resin glass is made, and described chemical feed pipe outer wall is carved with scale, and the positioned inside of described chemical feed pipe has rubber
Piston, described rubber piston is connected with rack, together with described rack and motor are fitted tightly by gear, institute
State gear to be arranged on motor.
Described electromagnetic flowmeter is placed on feeding pipe, is positioned at feeding mouth, and described electromagnetic flowmeter is arranged in medicament and goes out
Before Kou, described electromagnetic flowmeter, motor, electromagnetic valve one, electromagnetic valve two are connected with PLC control cabinet by wire, described
It it is the pass being realized mutual collaborative work by PLC control cabinet between electromagnetic flowmeter, motor, electromagnetic valve one, electromagnetic valve two
System；Described circular nut is placed in the lower end of chemical feed pipe, plays the effect of fixing chemical feed pipe, also functions to conveniently dismantle maintenance and changes
The effect of chemical feed pipe.
The beneficial effects of the utility model show:
1, this utility model uses quantitative dosing unit, and in the case of pulp density is certain, electromagnetic flowmeter collection is i.e.
Time data on flows be transferred to PLC control cabinet；Export through the data processed result within PLC control cabinet and control turning of motor
Speed and movement travel, such that it is able to realize quantitative addition medicament；Additionally chemical feed pipe is that organic clear glass makes, convenient scene
Workman observes；Electromagnetic valve one in quantitative dosing unit, the work process of electromagnetic valve two are the relations of mutual locking, i.e. when
Electromagnetic valve one is opened, and when electromagnetic valve two cuts out, the data that step motor drive gear transmits according to PLC control cabinet promote gear
Bar, sucks medicament in medicament pipe from medicament barrel；When electromagnetic valve one cuts out, and electromagnetic valve two is opened, motor is according to PLC
The speed of the Data Control dosing of control chamber transmission and chemical feeding quantity, thus realize quantitative dosing.
2, this utility model uses interval on rotating cylinder to arrange the most rotating impeller and counter-rotation type impeller, and the most rotating impeller is with anti-
Rotating impeller is arranged by impeller and is formed, and in the case of drum rotation, the most rotating impeller-driven ore pulp moves to counter-rotation type impeller,
Counter-rotation type impeller-driven ore pulp moves to the most rotating impeller, after two bursts of flow of slurry are met, drastically collides, shears, and improves gas-liquid
Gu the mixability of three-phase；On impeller, additionally have dispersion hole, ore pulp and air stream can be cut dispersion；Two impellers it
Between leave certain gap, the ore pulp between the most rotating impeller of preceding layer can by gap flow to the most rotating impeller of lower floor it
Between；Behind gap, the mineralization degree of ore pulp and the emulsifying degree of medicament are improved.
3, this utility model uses the branching block arranged on rotating cylinder inwall, in the case of ore pulp medicament feeds simultaneously,
Play cutting flow of slurry and the effect of dispersions, improve remineralization efficacy, form the effect once cutting mixing.
4, this utility model uses and arranges the first discharging opening in drum surface, in the case of constantly feeding ore pulp, turns
Limited space in Tong, ore pulp is spouting from the first discharging opening under pressure, and major part impacts stirring sleeve
On inwall, small part is spouting from the second discharging opening, the 3rd discharging opening, plays secondary collision, the effect of injection mixing.
5, this utility model leaves certain gap between rotating cylinder and stirring sleeve, while rotating cylinder high speed rotating,
It is present in the ore pulp in gap to be got rid of and inject flotation cell, it is achieved get rid of the effect penetrating mixing three times.
6, after the rotating cylinder of high speed rotating gets rid of injection ore pulp, gap is formed negative pressure, sucks air, air by suction nozzle
Stream is divided into small bubble by the dispersion hole on impeller and the gap between two impellers, plays the effect of microvesicle generators.
7, rotating cylinder is connected by this utility model with frequency conversion motor, can regulate rotating cylinder at any time according to the character of ore pulp
Rotating speed, it is achieved Based Intelligent Control.
8, this utility model need not ore pulp pre-processing device, can realize voluntarily cutting, sprays, get rid of and penetrate, stir four times and mix
Cooperation use, the purpose sized mixing in the center that realizes inside rabbling mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of horizontal mixer having from function of sizing mixing of the present utility model.
Fig. 2 is quantitative dosing cellular construction schematic diagram.
Fig. 3 is barrel configuration schematic diagram.
Fig. 4 is the internal deployed configuration schematic diagram of rotating cylinder.
Fig. 5 is branching block structural representation.
Fig. 6 is blade wheel structure schematic diagram.
Fig. 7 is agitator A-A generalized section.
In figure, reference implication is as follows:
10 feeding mouths, 20 rabbling mechanisms, 21 frequency conversion motors, 211 shaft couplings, 212 drive shafts, 213 axles
Hold one, 214 bearings two, 215 sealing rings, 22 rotating cylinders, 221 first discharging openings, 222 branching blocks, 23 impellers,
231 dispersion hole, 232 the most rotating impellers, 233 counter-rotation type impellers, 24 stirring sleeves, 241 second discharging openings,
242 the 3rd discharging openings, 25 feeding pipes, 30 suction nozzles, 40 quantitative dosing unit, 41 medicament barrels, 411 electromagnetic valves
One, 412 medicament entrances, 42 chemical feed pipes, 421 electromagnetic valves two, 422 agent outlet, 43 rubber pistons, 431 teeth
Wheel bar, 44 motors, 441-gear, 45 PLC control cabinet, 46 electromagnetic flowmeters, 47 circular nuts
Detailed description of the invention
For ease of understanding, here in connection with Fig. 1-7, specific embodiment of the utility model is made described further below:
Particular make-up part of the present utility model, is divided into two big modules, including: rabbling mechanism (20), quantitative dosing unit
(40) it is described in detail the most one by one:
1, rabbling mechanism
Its mechanism is as it is shown in figure 1, rabbling mechanism (20) is emphasis of the present utility model；Rabbling mechanism (20) is in the horizontal direction
It is arranged in parallel in inside flotation device cell body；Rabbling mechanism (20) includes that rotating cylinder (22), rotating cylinder (22) two ends are provided with bearing one
(213), bearing two (214)；Rotating cylinder (22) left end is welded with drive shaft (212), drive shaft (212) by shaft coupling (211) with
Frequency conversion motor (21) connects；Operationally, frequency conversion motor (21) drives rotating cylinder (22) to rotate, it addition, on rotating cylinder (22), from a left side
A pair the most rotating impeller (232), counter-rotation type impeller (233) at least it is disposed with to the right side；The most rotating impeller (232) and counter-rotation type impeller
(233) it is all to be welded by impeller (23), impeller (23) offers dispersion hole (231), leaves between two impellers (23)
Certain gap, blade wheel structure is as shown in Figure 6；On rotating cylinder (22) inwall, uniform welding has branching block (222), plays cutting ore deposit
Slurry and the effect of medicament, branching block (222) is a cube of tetrahedral structure, stringcourse that branching block (222) is the longest and flow of slurry
Direction is positioned opposite, and branching block (222) is arranged with structural representation as shown in Figure 4,5；Rotating cylinder (22) cylinder uniformly offers
First discharging opening (221)；Stirring sleeve (24) outside being provided with of rotating cylinder (22), stirring sleeve (24) is static, is not involved in rotating
Motion, described stirring sleeve (24) two ends are provided with sealing ring (214), leave certain between rotating cylinder (22) and stirring sleeve (24)
Gap；The second discharging opening (241) is uniformly offered, along stirring sleeve (24) central shaft in the downside of stirring sleeve (24) cylinder
The 3rd discharging opening (242) is offered inside horizontal direction.
When rotating cylinder (22) high speed rotating, between rotating cylinder (22) and stirring sleeve (24), the ore pulp in gap is got rid of injection
Coming, form negative pressure in gap, by being arranged on suction nozzle (30) air-breathing of stirring sleeve (24) right-hand member, air stream passes through impeller
(23) cut behind the gap between the dispersion hole on surface (231) and impeller (23) it is dispersed into small bubble；At rotating cylinder
(22), when rotating, the most rotating impeller (232) drives ore pulp to move to counter-rotation type impeller (233), and counter-rotation type impeller (233) drives ore deposit
Starching and move to the most rotating impeller (232), two strands of ore pulps mutually collide, disperse, mineralising；Ore pulp by the second discharging opening (241) and
3rd discharging opening (242) is spouting；This utility model structure achieves the purpose sized mixing in center in agitator.
2, quantitative dosing unit
As shown in Figure 1, 2, quantitative dosing unit (40) is another emphasis of the present utility model to its structure；Quantitative dosing unit
(40) be arranged on feeding pipe (25), including medicament barrel (41), chemical feed pipe (42), rubber piston (43), motor (44),
PLC control cabinet (45), electromagnetic flowmeter (46)；The agent outlet (422) of chemical feed pipe (42) bottom is built in feeding pipe (25)
In pipeline, Way out is consistent with flow of slurry direction；It is mounted with electromagnetic valve two (421), chemical feed pipe in the downside of chemical feed pipe (42)
(42) being internally provided with rubber piston (43), rubber piston (43) is connected with rack (431), and motor (44) passes through tooth
Wheel (441) links together with rack (431)；Medicament barrel (41) is internal equipped with the medicament modulated, by pipe bottom staving
Road links together with chemical feed pipe (42), and seam is medicament entrance (412), is electromagnetic valve one before medicament entrance (412)
(411)；Electromagnetic valve one (411), electromagnetic valve two (421), electromagnetic flowmeter (46), motor (44) are all by wire and PLC
Control chamber (45) links together；Specific works process is: pass when electromagnetic flowmeter (46) records instant mineral slurry flux data
It is passed to PLC control cabinet (45), after data are processed by PLC control cabinet (45), controls motor (44) action, with certain speed
Rotate, drive rack (431) to move downward certain stroke, it is achieved quantitative dosing, squeeze out medicament by agent outlet (422)
Entering in the pipeline of feeding pipe (25), now, PLC control cabinet (45) controls electromagnetic valve two (421) and opens, electromagnetic valve one (411)
Close；When the medicament in chemical feed pipe (42) all makes to be finished, PLC control cabinet (45) controls electromagnetic valve two (421) and closes, electromagnetic valve
One (411) opens, and motor (44) action drives rack (431) moves upward, and extracts medicament and enter from medicament barrel (41)
Entering in chemical feed pipe (42), extraction medicament process motor (44) is swift in motion；It addition, be provided with ring in chemical feed pipe (42) downside
Shape nut (47), facilitates demolition, repair, replacement chemical feed pipe (42)；Feeding pipe (25) is arranged in bearing two (214), and outlet is deep
Entering in rotating cylinder (22), feeding pipe (25) other end is feeding mouth (10).
Below in conjunction with Fig. 1-7, work process of the present utility model is described further:
When agitator works, frequency conversion motor (21) connects drive shaft (212) by shaft coupling (211) and drives rotating cylinder
(22) rotating, ore pulp feeds from the feeding mouth (10) on right side, is disposed with quantitatively at feeding mouth (10) place of feeding pipe (25) simultaneously
Dosing unit (40), in the case of pulp density is certain, electromagnetic flowmeter (46) records mineral slurry flux data and is transferred to PLC control
Case processed (45), after PLC control cabinet (45) carries out data process, to motor (44) enforcement action, drives rack (431) OK
Making certain stroke quantitative add medicament, now, during dosing, electromagnetic valve one (411) cuts out, and electromagnetic valve two (421) is opened, from medicament
When aspirating medicament in Tong, electromagnetic valve two (421) cuts out, and electromagnetic valve one (411) is opened；During suction, motor (44) action is quick
Prompt quick；
Ore pulp and medicament together join in rotating cylinder (22), by the branching block (222) in rotating cylinder (22) cut ore pulp and
Medicament stream realizes mixed once stirring, dispersions；Rotating cylinder (22) interior limited space, feeds endlessly at feeding mouth (10)
In the case of ore pulp, once cut mixed medicament spouting from the first discharging opening (221) with ore pulp, it is achieved secondary collision
Mixing；Between rotating cylinder (22) and stirring sleeve (24), there is gap, stirring sleeve (24) offers the second discharging opening (241)
With the 3rd discharging opening (242), under the high speed rotating of rotating cylinder (22), the ore pulp in gap is got rid of and is shot out, it is achieved get rid of for three times and penetrate
Mixing；Forming negative inspiratory pressure simultaneously in gap, suck air from suction nozzle (30), air stream is by the dispersion on impeller (23)
Hole (231) enters in flotation device cell body after cutting the slit cuts between impeller (23), dispersion；Rotating cylinder (22) is disposed with
The most rotating impeller (232) being welded by impeller (23) and counter-rotation type impeller (233), the dispersion hole on impeller (23) surface
(231) ore pulp and air flow point are dissipated, mix；Ore pulp is driven by the most rotating impeller (232) to counter-rotation type impeller (233), and anti-
Rotating impeller (233) drives ore pulp to move to the most rotating impeller (232) place, and two strands of ore pulps mutually collide with certain kinetic energy, cut
Cut, mineralising, it is achieved the effect of four mix and blend three-phases；Ore pulp is at the most rotating impeller (232) and the work of counter-rotation type impeller (233)
Under with spouting from the second discharging opening (241) and the 3rd discharging opening (242).
This specification is only to be described preferred implementation of the present utility model, not to model of the present utility model
Enclosing and be defined, on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this utility model
The various deformation made of technical scheme and improvement, the protection domain that claims of the present utility model determine all should be fallen into
In.
Claims (3)
1. there is the horizontal mixer from function of sizing mixing, at least include rabbling mechanism (20) and quantitative dosing unit (40),
It is characterized in that: described rabbling mechanism (20) is by frequency conversion motor (21), rotating cylinder (22), impeller (23), stirring sleeve (24), pan feeding
Pipe (25) composition；Described frequency conversion motor (21) is connected with drive shaft (212) by shaft coupling (211), described drive shaft (212) and
Rotating cylinder (22) welds together, and described rotating cylinder (22) two ends are provided with bearing one (213) and bearing two (214)；Described rotating cylinder
(22) being welded with branching block (222) on inwall, described branching block (222) is a cube of tetrahedron, and described branching block (222) is
Long stringcourse is positioned opposite with flow of slurry direction；Be welded with some impellers (23) on described rotating cylinder (22) outer wall, impeller (23) it
Between leave certain gap, described impeller (23) offers dispersion hole (231), described impeller (23) is with the most rotating impeller
(232) it is arranged on rotating cylinder (22) outer surface with counter-rotation type impeller (233) structure, described the most rotating impeller (232) and counter-rotation type
Impeller (233) interlaced arrangement；The first discharging opening (221) being uniformly distributed in cylinder is offered on described rotating cylinder (22).
A kind of horizontal mixer having from function of sizing mixing the most according to claim 1, it is characterised in that: described rotating cylinder
(22) being externally-arranged with stirring sleeve (24), described stirring sleeve (24) is fixed on rotating cylinder (22) outside and is not involved in rotary motion,
Having certain gap between described stirring sleeve (24) and rotating cylinder (22), described stirring sleeve (24) two ends are provided with sealing ring
(215), the lower side of described stirring sleeve (24) uniformly offers the second discharging opening (241), along stirring sleeve (24) central shaft
The 3rd discharging opening (242) is offered inside horizontal direction；The other end of described stirring sleeve (24) is provided with suction nozzle (30), institute
State suction nozzle (30) be arranged in stirring sleeve (24) and rotating cylinder (22) between port, gap be connected with air, port sealing；
Described rotating cylinder (22) other end is provided with feeding pipe (25), and described feeding pipe (25) is nested in bearing two (214)；Described pan feeding
Being provided with quantitative dosing unit (40) on pipe (25), the other end of feeding pipe (25) is feeding mouth (10).
The most according to claim 1 a kind of have from sizing mixing the horizontal mixer of function, it is characterised in that: described quantitatively add
Prescription unit (40) is by medicament barrel (41), chemical feed pipe (42), rubber piston (43), motor (44), PLC control cabinet (45), electricity
Magnetic flowmeter (46), circular nut (47) form；
The bottom of described medicament barrel (41) is connected with chemical feed pipe (42) downside by pipeline, described chemical feed pipe (42) and medicament barrel
(41) connecting place is medicament entrance (412), is provided with electromagnetic valve one (411) before described medicament entrance (412)；Described chemical feed pipe
(42) downside is provided with electromagnetic valve two (421), and the outlet of described chemical feed pipe (42) is arranged on feeding pipe (25) inside and goes out for medicament
Mouth (422), described agent outlet (422) direction flows to identical with ore pulp；Described chemical feed pipe (42) is by colourless transparent resin glass
Being made, described chemical feed pipe (42) outer wall is carved with scale, the positioned inside of described chemical feed pipe (42) has rubber piston
(43), described rubber piston (43) is connected with gear (441) bar (431), described gear (441) bar (431) and motor
(44) fitting tightly together by gear (441), described gear (441) is arranged on motor (44)；
Described electromagnetic flowmeter (46) is placed on feeding pipe (25), is positioned at feeding mouth (10) place, described electromagnetic flowmeter (46)
Before being arranged in agent outlet (422), described electromagnetic flowmeter (46), motor (44), electromagnetic valve one (411), electromagnetic valve
Two (421) are connected with PLC control cabinet (45) by wire, described electromagnetic flowmeter (46), motor (44), electromagnetic valve one
(411), between electromagnetic valve two (421) it is the relation being realized mutual collaborative work by PLC control cabinet (45)；Described circular nut
(47) lower end of chemical feed pipe (42) it is placed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527152.1U CN205683946U (en) | 2016-05-27 | 2016-05-27 | A kind of horizontal mixer having from function of sizing mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527152.1U CN205683946U (en) | 2016-05-27 | 2016-05-27 | A kind of horizontal mixer having from function of sizing mixing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205683946U true CN205683946U (en) | 2016-11-16 |
Family
ID=57259645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620527152.1U Expired - Fee Related CN205683946U (en) | 2016-05-27 | 2016-05-27 | A kind of horizontal mixer having from function of sizing mixing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205683946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388040A (en) * | 2017-09-04 | 2017-11-24 | 中煤（天津）洗选科技有限公司 | The pulp conveying device on preparation equipment |
| CN108423942A (en) * | 2018-04-17 | 2018-08-21 | 北京夏都水利工程有限公司 | A kind of sanitary wastewater processing equipment |
-
2016
- 2016-05-27 CN CN201620527152.1U patent/CN205683946U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388040A (en) * | 2017-09-04 | 2017-11-24 | 中煤（天津）洗选科技有限公司 | The pulp conveying device on preparation equipment |
| CN107388040B (en) * | 2017-09-04 | 2023-09-26 | 中煤（天津）洗选科技有限公司 | Ore pulp conveying device for mineral separation equipment |
| CN108423942A (en) * | 2018-04-17 | 2018-08-21 | 北京夏都水利工程有限公司 | A kind of sanitary wastewater processing equipment |
| CN108423942B (en) * | 2018-04-17 | 2020-09-04 | 北京夏都水利工程有限公司 | Domestic wastewater treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170527 |