CN114798196A - Double-frequency conversion centrifugal desanding and desilting integrated machine - Google Patents
Double-frequency conversion centrifugal desanding and desilting integrated machine Download PDFInfo
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- CN114798196A CN114798196A CN202210181571.4A CN202210181571A CN114798196A CN 114798196 A CN114798196 A CN 114798196A CN 202210181571 A CN202210181571 A CN 202210181571A CN 114798196 A CN114798196 A CN 114798196A
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- centrifugal
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- desilting
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 239000004576 sand Substances 0.000 claims abstract description 48
- 238000005119 centrifugation Methods 0.000 claims abstract description 11
- 239000010802 sludge Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 description 14
- 238000013461 design Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 6
- 238000007906 compression Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/10—Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/08—Arrangement or disposition of transmission gearing ; Couplings; Brakes
Abstract
The invention provides a double-frequency-conversion centrifugal desanding and desilting integrated machine, and relates to the technical field of mud desanding. The centrifugal machine comprises a machine body, wherein a first centrifugal mechanism used for removing sand is arranged in the machine body, a second centrifugal mechanism used for removing mud is further arranged in the machine body, and centrifugal liquid obtained after centrifugation of the first centrifugal mechanism enters the second centrifugal mechanism through a drainage tube. According to the double-frequency-conversion centrifugal sand and mud removing integrated machine, the first centrifugal mechanism for removing sand and the second centrifugal mechanism for removing mud are arranged in the machine body, and the centrifugal liquid obtained after centrifugation of the first centrifugal mechanism enters the second centrifugal mechanism through the drainage tube, so that sand and mud can be removed respectively when the machine works, and the sand and mud removing effect of the machine is greatly improved.
Description
Technical Field
The invention relates to the technical field of double-frequency-conversion centrifugal desanding and desilting integrated machines, in particular to a double-frequency-conversion centrifugal desanding and desilting integrated machine.
Background
A slurry is a semi-colloidal suspension of clay in water in which small particles are dispersed and mixed. In colloidal chemistry, solid clays are called the dispersed phase or solid phase, and water is the medium or liquid phase. If the solid phase is dispersed into molecular and ionic state, there is no homogeneous body in the interface between the solid phase and the liquid phase, and this is called true solution, such as salt solution dissolved in water.
The mud is a common flushing fluid for drilling complex stratum, which is widely applied to the drilling industry, sand removal needs to be carried out on the mud in the processing process of the mud, so that mud sand removal equipment needs to be used, and the sand and mud have different particle diameters, so that the particle diameter of the sand is larger than that of the mud, and most of the existing sand removal equipment for the mud only has the sand removal function but does not have the mud removal function.
Therefore, how to solve the above technical problems becomes a focus of research in the field.
Disclosure of Invention
The invention aims to provide a double-frequency-conversion centrifugal desanding and desilting integrated machine which has the functions of desanding and desilting.
The embodiment of the invention is realized by the following steps:
the utility model provides a centrifugal desanding desilting all-in-one of two frequency conversion, includes the organism, be provided with the first centrifugal mechanism that is used for the desanding in the organism, still be provided with the second centrifugal mechanism that is used for the desilting in the organism, centrifugate behind the centrifugation of first centrifugal mechanism gets into through the drainage tube the second centrifugal mechanism.
The embodiment of the invention at least has the following advantages or beneficial effects:
according to the double-frequency-conversion centrifugal sand and mud removing integrated machine, the first centrifugal mechanism for removing sand and the second centrifugal mechanism for removing mud are arranged in the machine body, and the centrifugal liquid after centrifugation of the first centrifugal mechanism enters the second centrifugal mechanism through the drainage tube, so that sand and mud can be removed respectively when the equipment works, and the sand and mud removing effect of the equipment is greatly improved.
In some embodiments of the present invention, the first centrifugal mechanism includes a core sleeve, a filter cartridge, and a first driving mechanism, the filter cartridge is disposed in the core sleeve, and two ends of the filter cartridge are disposed with connecting shafts, wherein the connecting shaft at either end is in transmission connection with the first driving mechanism.
Based on the design, the filter cylinder is arranged in the core sleeve and is driven to rotate by the first driving mechanism, so that the sand removing work is completed in a centrifugal mode.
In some embodiments of the present invention, one end of the connecting shaft is fixed to the housing through a bearing seat, and the other end of the connecting shaft is connected to the filter cartridge through a flange.
Based on the design, the core sleeve and the filter cylinder can be conveniently disassembled from the machine body through the disassembling flange while the first centrifugal mechanism can smoothly rotate freely.
In some embodiments of the present invention, the first driving mechanism includes a first motor, a driving pulley and a driven pulley, the driving pulley is disposed at an output end of the first motor, and the driven pulley is sleeved on the connecting shaft and is connected to the driving pulley via a belt.
Based on the design, the filter cartridge can be stably driven to realize centrifugal rotation, and the sand removing work is completed.
In some embodiments of the present invention, the connecting shaft is a hollow shaft, and a feeding pipe is connected to the connecting shaft at an end far away from the first driving mechanism through an adapter.
Based on above-mentioned design, through establishing the connecting axle into the hollow shaft to rotate the inlet pipe and be connected with the connecting axle, thereby be convenient for accomplish the feeding.
In some embodiments of the present invention, a sealing sleeve is disposed at an end of the connecting shaft close to one end of the first driving mechanism, and a sand pump is further disposed in the body and detachably connected to the connecting shaft close to one end of the first driving mechanism.
Based on above-mentioned design, can dismantle through taking out sand pump and connecting axle and be connected to when the sand is taken out to needs, will take out sand pump and be connected the completion with the connecting axle and take out sand, when need not take out sand, with sealing strip sealing connection axle, thereby made things convenient for the sand pumping operation greatly.
In some embodiments of the present invention, the core sleeve has a column-cone structure, and the drainage tube is disposed at a lower end of the core sleeve.
Based on the design, the core sleeve is arranged into a column-cone structure, and the lower end of the core sleeve is provided with the drainage tube, so that the centrifugal liquid can conveniently enter the second centrifugal mechanism.
In some embodiments of the present invention, the second centrifugal mechanism includes a filter sleeve vertically disposed in the machine body through a connecting bearing, and a second driving mechanism in transmission connection with the filter sleeve.
Based on the design, the second driving mechanism drives the filter sleeve to rotate centrifugally, so that the sludge removal work is realized.
In some embodiments of the present invention, the filter sleeve is sleeved with a driven gear, and the second driving mechanism includes a second driving motor and a driving gear, and the driving gear is engaged with the driven gear.
Based on the design, the filter sleeve can be stably driven to realize centrifugal rotation, and the mud removing work is completed.
In some embodiments of the invention, a sludge discharge pipe is rotatably arranged at the bottom of the filter sleeve, and the sludge discharge pipe is connected with a sludge pump.
Based on the design, the sludge in the filter sleeve can be conveniently and clearly removed, and the sludge is prevented from being gathered in the filter sleeve.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a double-frequency-conversion centrifugal desanding and desilting integrated machine provided by an embodiment of the invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1.
Icon: 1-machine body, 2-first centrifugal mechanism, 201-core sleeve, 202-filter cylinder, 203-connecting shaft, 204-first motor, 205-driving pulley, 206-driven pulley, 3-bearing seat, 4-flange, 5-second centrifugal mechanism, 501-filter sleeve, 502-second motor, 503-driving gear, 504-driven gear, 6-drainage tube, 7-sand pump, 8-sand pump pipe, 9-sand discharge pipe, 10-seal sleeve, 11-mud pump, 12-mud discharge pipe, 13-transverse plate, 14-compression spring, 15-limit table and 16-liquid discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the product of the present invention is used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1 to 2, fig. 1 is a schematic structural diagram of a dual-frequency-conversion centrifugal desanding and desliming integrated machine according to an embodiment of the present invention; FIG. 2 is an enlarged view of the invention at A in FIG. 1.
The double-frequency-conversion centrifugal desanding and desilting integrated machine provided by the embodiment comprises a machine body 1, a first centrifugal mechanism 2 transversely arranged in the machine body 1 and a second centrifugal mechanism 5 vertically arranged in the machine body 1. Wherein, be provided with the cover on the organism 1, first centrifugal mechanism 2 is used for the desanding work, and second centrifugal mechanism 5 is used for the desilting work, just the centrifugate after first centrifugal mechanism 2 centrifugation gets into through drainage tube 6 second centrifugal mechanism 5.
Specifically, the method comprises the following steps:
the first centrifugal mechanism 2 includes a core sleeve 201, a filter cartridge 202 and a first driving mechanism, wherein the filter cartridge 202 is disposed in the core sleeve 201, and a filter hole diameter of the filter cartridge 202 is 74 um. Meanwhile, two ends of the filter cartridge 202 are provided with connecting shafts 203, one end of each connecting shaft 203 is rotatably mounted on the machine body 1 through a bearing seat 3, the other end of each connecting shaft 203 is fixedly connected with the outer wall of the filter cartridge 202 through a connecting method, and the core sleeve 201 is sleeved on the connecting shaft 203 through a bearing.
The two connecting shafts 203 are hollow shafts, wherein the left connecting shaft 203 is connected to the feed pipe via an adapter, so that slurry enters the filter cartridge 202 via the connecting shaft 203.
The first driving mechanism comprises a first motor 204, a driving pulley 205 and a driven pulley 206, wherein the driving pulley 205 is arranged at the output end of the first motor 204, and the driven pulley 206 is sleeved on a connecting shaft 203 at the right end and is in belt connection with the driving pulley 205. After the slurry enters the filter cartridge 202, the rotation of the first motor 204 can drive the driving pulley 205 to rotate, the driving pulley 205 drives the driven pulley 206 to rotate through the belt, and then the filter cartridge 202 can be driven to communicate with the core sleeve 201 to rotate, so that the centrifugal desanding of the filter cartridge 202 is realized.
Above-mentioned second centrifugation mechanism 5 sets up in the below of first centrifugation mechanism 2, just second centrifugation mechanism 5 includes filter sleeve 501, filter sleeve 501's filtration pore diameter is 20um, core cover 201 is provided with drainage tube 6 downwards, filter sleeve 501's top is provided with the inlet, drainage tube 6 follows the inlet stretches into in the filter sleeve 501, and the bore of inlet slightly is greater than drainage tube 6's external diameter to form clearance fit.
The bottom of the filter sleeve 501 is provided with a rotary table, the bottom of the rotary table is provided with a rotary shaft, and the rotary shaft is rotatably connected with the bottom of the machine body 1 through a bearing.
The second driving mechanism comprises a second motor 502, a driving gear 503 is arranged at the output end of the second motor 502, a driven gear 504 is sleeved on the outer wall of the filter sleeve 501, the driving gear 503 is meshed with the driven gear 504, so that centrifugal liquid after sand removal of the first centrifugal mechanism 2 enters the filter sleeve 501 through the drainage tube 6, the second motor 502 is rotated to drive the driving gear 503 to rotate, and the driving gear 503 is meshed with the driven gear 504 to drive the filter sleeve 501 to rotate, so that centrifugal rotation is achieved, and mud removal is completed.
A drain pipe 16 for discharging the slurry after sand and mud removal is further provided at the bottom of the machine body 1.
According to the double-frequency-conversion centrifugal desanding and desilting integrated machine, the first centrifugal mechanism 2 and the second centrifugal mechanism 5 are arranged inside the machine body 1, slurry sequentially enters the first centrifugal mechanism 2 and the second centrifugal mechanism 5 to complete desanding and desilting, and therefore the desanding and desilting effects of equipment are greatly improved.
Example 2
Referring to fig. 1 to fig. 2, the present embodiment provides a dual-frequency conversion centrifugal desanding and desilting all-in-one machine, which is basically the same as the dual-frequency conversion centrifugal desanding and desilting all-in-one machine provided in embodiment 1, and the main difference lies in that:
in the double-frequency-conversion centrifugal desanding and desilting integrated machine provided by the embodiment, the core sleeve 201 is of a column-cone structure, and the lower end of the core sleeve 201 is provided with the drainage tube 6.
From the above, the core sleeve 201 is set to be a column-cone structure, and the drainage tube 6 is set at the lower end of the core sleeve 201, so that the centrifugate centrifugally filtered by the fine filter 202 can smoothly enter the second centrifugal mechanism 5 from the drainage tube 6 along the low potential, without the assistance of external force, and the equipment structure is simplified.
Example 3
Referring to fig. 1 to 2, the present embodiment provides a dual-frequency conversion centrifugal desanding and desilting integrated machine, which is substantially the same as the dual-frequency conversion centrifugal desanding and desilting integrated machine provided in embodiment 1 or embodiment 2, and the main difference is that:
in the double-frequency-conversion centrifugal desanding and desilting integrated machine provided by the embodiment, a sand pumping device is arranged at the position of the first centrifugal mechanism 2, and a sludge pumping device is arranged at the position of the second centrifugal mechanism 5.
Specifically, the method comprises the following steps:
the sand pumping device comprises a sand pumping pump 7, wherein one end of the sand pumping pump 7 is provided with a sand pumping pipe 8, the other end of the sand pumping pump is provided with a sand discharge pipe 9, the sand pumping pipe 8 is a corrugated pipe, the end part of the corrugated pipe is provided with a threaded sleeve, the connecting shaft 203 at the right end of the filter cylinder 202 is a hollow shaft, the end part of the connecting shaft 203 is in threaded connection with the sealing sleeve 10, and when centrifugation is carried out, the sealing sleeve 10 is connected with the connecting shaft 203, so that slurry is prevented from seeping.
And the sand pumping pipe 8 is detachably connected with the connecting shaft 203 on the side of the sealing sleeve 10 in a threaded manner through a threaded sleeve, when too much mortar is in the filter cylinder 202, feeding is stopped, and the sand pumping pipe 8 is connected with the connecting shaft 203 on the side in a threaded manner. The mortar in the filter cartridge 202 is pumped out by the sand pump 7 and discharged out of the machine body 1 through the sand discharge pipe 9.
Above-mentioned mud pumping device is including mud pump 11 and mud pipe 12, the bottom of filter sleeve 501 is provided with the counter bore, mud pipe 12 sets up in the counter bore, and is provided with the boss that matches with the counter bore at mud pipe 12's tip, and the boss cooperates in the counter bore, it is equipped with diaphragm 13 still to move about on the mud pipe 12, the fixed compression spring 14 that is provided with on diaphragm 13, compression spring 14 keep away from diaphragm 13's one end and filter sleeve 501's outer bottom surface fixed connection to it has spacing platform 15 to go back integrated into one piece on the sleeve pipe, spacing platform 15 laminates in diaphragm 13's lower bottom surface.
It can be seen that the mud discharging pipe 12 is arranged in the counter bore in a matching manner, so that the rotation of the filter sleeve 501 is not affected by the mud discharging pipe 12, meanwhile, the compression spring 14 is utilized to enable the mud discharging pipe 12 to be tightly attached to the counter bore, and after the excessive mud deposited in the filter sleeve 501 is discharged through the mud pump 11, the mud pump is very convenient.
In conclusion, the double-frequency-conversion centrifugal desanding and desilting integrated machine provided by the invention has the following advantages:
1. according to the invention, the first centrifugal mechanism 2 for sand removal and the second centrifugal mechanism 5 for mud removal are arranged in the machine body 1, and the centrifugal liquid after centrifugation of the first centrifugal mechanism 2 enters the second centrifugal mechanism 5 through the drainage tube 6, so that sand removal and mud removal can be respectively completed when the equipment works, and the sand and mud removal effects of the equipment are greatly improved.
2. According to the invention, the sand pumping device is arranged on the first centrifugal mechanism 2, and the mud pumping device is arranged on the second centrifugal mechanism 5, so that the mortar and the sludge in the machine body 1 can be cleared conveniently.
While the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the details of the foregoing illustrative embodiments, and that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a centrifugal desanding desilting all-in-one of two frequency conversion, includes the organism, be provided with the first centrifugal mechanism that is used for the desanding in the organism, its characterized in that, still be provided with the second centrifugal mechanism that is used for the desilting in the organism, the centrifugate after the centrifugation of first centrifugal mechanism gets into through the drainage tube second centrifugal mechanism.
2. The dual-frequency conversion centrifugal desanding and desliming all-in-one machine according to claim 1, wherein the first centrifugal mechanism comprises a core sleeve, a filter cylinder and a first driving mechanism, the filter cylinder is arranged in the core sleeve, connecting shafts are arranged at two ends of the filter cylinder, and the connecting shafts at any end are in transmission connection with the first driving mechanism.
3. The dual-frequency-conversion centrifugal desanding and desilting all-in-one machine as claimed in claim 2, wherein one end of the connecting shaft is fixed with the machine body through a bearing seat, and the other end of the connecting shaft is connected with the filter cylinder through a flange.
4. The dual-frequency-conversion centrifugal desanding and desilting all-in-one machine as claimed in claim 2, wherein the first driving mechanism comprises a first motor, a driving pulley and a driven pulley, the driving pulley is arranged at the output end of the first motor, and the driven pulley is sleeved on the connecting shaft and is in belt connection with the driving pulley.
5. The dual-frequency conversion centrifugal desanding and desliming all-in-one machine according to claim 2, wherein the connecting shaft is a hollow shaft, and a feeding pipe is connected to the connecting shaft at one end far away from the first driving mechanism through an adapter.
6. The dual-frequency-conversion centrifugal desanding and desliming all-in-one machine as claimed in claim 5, wherein a sealing sleeve is arranged at the end part of the connecting shaft close to one end of the first driving mechanism, a sand pump is further arranged in the machine body, and the sand pump is detachably connected with the connecting shaft close to one end of the first driving mechanism.
7. The dual-frequency conversion centrifugal desanding and desliming all-in-one machine as claimed in claim 2, wherein the core sleeve is of a column-cone structure, and the drainage tube is arranged at the lower end of the core sleeve.
8. The dual-frequency-conversion centrifugal desanding and desilting all-in-one machine is characterized in that the second centrifugal mechanism comprises a filter sleeve and a second driving mechanism, the filter sleeve is vertically arranged in the machine body through a connecting bearing, and the second driving mechanism is in transmission connection with the filter sleeve.
9. The dual-frequency conversion centrifugal desanding and desilting all-in-one machine as claimed in claim 8, wherein the filter sleeve is sleeved with a driven gear, the second driving mechanism comprises a second driving motor and a driving gear, and the driving gear is meshed with the driven gear.
10. The dual-frequency-conversion centrifugal desanding and desilting all-in-one machine as claimed in claim 8, wherein a sludge discharge pipe is rotatably arranged at the bottom of the filter sleeve and is connected with a sludge pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181571.4A CN114798196A (en) | 2022-02-25 | 2022-02-25 | Double-frequency conversion centrifugal desanding and desilting integrated machine |
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| CN202210181571.4A CN114798196A (en) | 2022-02-25 | 2022-02-25 | Double-frequency conversion centrifugal desanding and desilting integrated machine |
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| CN209853897U (en) * | 2019-04-25 | 2019-12-27 | 广东新九洲环境技术有限公司 | A pure water treatment facilities for food industry |
| CN210393695U (en) * | 2019-06-06 | 2020-04-24 | 张家港市大驿汽配科技有限公司 | Plasticizer is with incessant conveyor |
| CN212532369U (en) * | 2020-03-27 | 2021-02-12 | 朱少明 | Centrifugal sewage treatment plant |
| CN213376171U (en) * | 2020-09-07 | 2021-06-08 | 天津鑫泉建筑装饰工程有限公司 | A raw materials mixing arrangement for decoration |
| CN215784136U (en) * | 2021-08-06 | 2022-02-11 | 太阳树(莆田)生物医药有限公司 | Centrifugal device for chemical synthesis |
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Application publication date: 20220729 |