CN103071327B - Grillage machine - Google Patents
Grillage machine Download PDFInfo
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- CN103071327B CN103071327B CN201110327729.6A CN201110327729A CN103071327B CN 103071327 B CN103071327 B CN 103071327B CN 201110327729 A CN201110327729 A CN 201110327729A CN 103071327 B CN103071327 B CN 103071327B
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- Prior art keywords
- screen drum
- sleeve
- rotating shaft
- grid maker
- guide plate
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Abstract
The invention discloses a grillage machine which comprises a support and a screen drum arranged on the support through a rotating shaft, wherein the inner wall of the screen drum is provided with a spiral guide plate, one end of the rotating shaft positioned at an initiating end of the spiral guide plate is provided with a sleeve, the sleeve may be rotatably sleeved on the rotating shaft, a water accommodating chamber is formed between the sleeve and the rotating shaft and is in fixed connection with a sewage pipeline, the sidewall of the sleeve is provided with a plurality of nozzles, a plurality of water buckets are fixed on the inner wall of the screen drum, and the openings of the water buckets are corresponding to the nozzles. With such a structure, the grillage machine disclosed in the invention has the advantages of a simple structure, small routine maintenance load, no need for extra power during operation and low operation cost.
Description
Technical field
The present invention relates to field of sewage treatment equipment, relate to a kind of grid maker more specifically.
Background technology
Municipal sewage treatment is one of important infrastructure in city, and its development level directly has influence on the improvement of the healthy and quality of life of the numerous residents in city, to improvement and socioeconomic sustainable development all important in inhibitings of City Investment Environment.
Grid maker is a kind of solid-liquid separating equipment, the materials such as the solid impurity in liquid, particle can be separated from liquid medium, according to the size of grid graticule mesh eye, effectively can control granularity, the size of institute's separating solids material, thus guarantee liquid medium operating index.
Grid maker range of application is also extremely extensive, relates to sewage treatment plant, waterworks, pumping plant, power plant's water inlet, is widely used in city, automatically tackle and remove the floating thing in water, ensure the normal operation of next procedure; Also can be used as weaving, print and dye, butcher, process hides, papermaking, sugaring, wine brewing, food processing, Separation of Solid and Liquid in chemical and medicine industry etc. industry.
Grid maker can be divided into two kinds by structure: swinging grid maker and the large class of rotary grid machine two, wherein, the Application comparison of rotary grid machine is general.Power source, deceleration device and driving chain that rotary grid machine comprises screen drum, drives screen drum to rotate.Wherein, screen drum adopts wedge-shaped bar soldering stainless steel sieve plate to manufacture, and power source sends power to deceleration device, sends power to screen drum by after deceleration device speed change by driving chain, rotates to make screen drum.
Pending uniform liquid is distributed to the screen drum inner surface of reverse rotation, current and screen drum inner surface produce mutual shear motion, solid material is trapped and is automatically discharged by spiral guide plate, liquid after filtration flows out from screen drum gap, thus reaching the object of separation, screen drum is again dredged after pressure flush of water.
Rotary grid function is separating solids material efficiently, effectively reduces suspension in water.But, in prior art, common some problems of rotary grid machine concentrate on following some: 1, the problem damaged of chain, the rotation of rotary drum is driven by reductor draw chain, because condition of work is severe, chain creep, elongation, burn into fracture is caused to be the faults often had.2, the damage problem of reductor, the damage of reductor mainly contains the damage under normal service condition and the chain reaction that causes because roller etc. damages damages.Obviously, rotary grid machine structure of the prior art is more complicated, and ordinary maintenance amount is larger.
In addition, the power source of rotary grid machine generally adopts motor, and motor power consumption is larger.Be becoming tight day along with world energy sources and scarcity, greatly develop the Main way that low power consumption equipment has become our times development.Obviously, the rotary grid machine of prior art can not meet the requirement of low energy consumption.
Therefore, how to provide that a kind of structure is simple, ordinary maintenance amount is less and the rotary grid machine of low energy consumption, becomes those skilled in the art's important technological problems to be solved.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of grid maker, its structure is simple, regular maintenance amount is little, and its operation does not need additionally to provide power, and operating cost is low.
Technical scheme provided by the invention is as described below:
A kind of grid maker provided by the invention, comprise support and be arranged at the screen drum of described support by rotating shaft, the inwall of described screen drum is provided with helical form guide plate, one end that described rotating shaft is positioned at described helical form guide plate initiating terminal is provided with sleeve, described sleeve is placed on described rotating shaft rotatably, water containing chamber is formed between described sleeve and described rotating shaft, described water containing chamber is fixedly connected with sewage conduct, the sidewall of described sleeve is provided with some nozzles, the inwall stationary distribution of described screen drum has multiple bucket, and the opening of described bucket is corresponding with described nozzle.
Preferably, the inside of described water containing chamber is provided with dividing plate, and described water containing chamber is divided into the first half chambeies and the second half chambeies by described dividing plate, and described nozzle is arranged at the sidewall in described the first half chambeies, described the first half chambeies are connected with described sewage conduct, and the sidewall in described the second half chambeies is provided with dewatering outlet; Described sewage conduct is provided with branch road, and described branch road is connected with described the second half chambeies, and described branch road is provided with choke valve.
Preferably, described rotating shaft is provided with the first hub sleeve and the second hub sleeve successively along the screw propulsion direction of described helical form guide plate, be connected with many first brace rods between described first hub sleeve and the inwall of described screen drum, between described second hub sleeve and the inwall of described screen drum, be connected with many second brace rods.
Preferably, described first hub sleeve penetrates with the inside of described screen drum, and described first brace rod is arc support muscle, and described first brace rod one end is connected with described first hub sleeve, the other end is connected to the end of described screen drum, and described sleeve is disposed adjacent with described first hub sleeve.
Preferably, also comprise base and cover in the outer cover of periphery of described screen drum, described outer cover is fixedly connected on described base, and the bottom of described outer cover offers the breach that leaks.
Preferably, the opening that described screen drum is positioned at described helical form guide plate end is provided with foreign material and derives plate.
Preferably, described nozzle is two.
Preferably, the quantity of described bucket is more than or equal to four, and is uniformly distributed in the inwall of described screen drum.
A kind of grid maker provided by the invention, comprise support and be arranged at the screen drum of described support by rotating shaft, the inwall of described screen drum is provided with helical form guide plate, one end that described rotating shaft is positioned at described helical form guide plate initiating terminal is provided with sleeve, described sleeve is placed on described rotating shaft rotatably, water containing chamber is formed between described sleeve and described rotating shaft, described water containing chamber is fixedly connected with sewage conduct, the sidewall of described sleeve is provided with some nozzles, the inwall stationary distribution of described screen drum has multiple bucket, and the opening of described bucket is corresponding with described nozzle.
It should be noted that, grid maker provided by the invention is used for sewage disposal, and it is connected with sewage conduct, and the sewage in sewage conduct is pumped into wherein by water pump, therefore the sewage among sewage conduct has certain overbottom pressure.After the sewage with certain pressure enters water containing chamber, the nozzle ejection arranged by its sidewall, inwall due to screen drum is distributed with multiple bucket, and the opening of bucket is corresponding with nozzle, press water is sprayed onto bucket by nozzle, starts to rotate under the blowing force effect of screen drum between press water and bucket and under the effect of the weight of bucket internal water.It should be noted that, because sleeve is placed in rotating shaft rotatably, and sleeve is fixedly connected with sewage conduct, therefore when rotating shaft is rotated with screen drum, sleeve is static, therefore the position of nozzle is constant all the time.While screen drum rotates, sewage filters through screen drum, and the opening part that filtrate is pushed to screen drum under the impetus of spiral guide plate is discharged.
Obviously, grid maker provided by the invention, do not need to adopt drive unit, transmission device etc., its structure is simple, regular maintenance amount is little, and does not need additionally to provide power, and operating cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is grid maker agent structure schematic diagram in the specific embodiment of the invention;
Fig. 2 is nozzle and bucket structural representation in the specific embodiment of the invention;
Fig. 3 is sewage conduct structural representation in the specific embodiment of the invention;
Fig. 4 is specific embodiment of the invention middle sleeve cross-sectional view;
Fig. 5 is A-A schematic cross-section in Fig. 4;
Fig. 6 is grid maker end construction schematic diagram in the specific embodiment of the invention.
Detailed description of the invention
The invention provides a kind of grid maker, its structure is simple, regular maintenance amount is little, and its operation does not need additionally to provide power, and operating cost is low.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is grid maker agent structure schematic diagram in the specific embodiment of the invention; Fig. 2 is nozzle and bucket structural representation in the specific embodiment of the invention.
Grid maker provided in the present embodiment, for sewage disposal, it should be noted that, grid maker is connected with source of sewage by sewage conduct, and sewage conduct is provided with pumping plant, enters in grid maker to make sewage pump.The grid maker that this detailed description of the invention provides is comprised support (not shown) and is arranged at the screen drum 12 of support by rotating shaft 11.
Wherein, the inwall of screen drum 12 is provided with helical form guide plate (not shown), and one end that rotating shaft 11 is positioned at helical form guide plate initiating terminal is provided with sleeve 13.It should be noted that, helical form guide plate initiating terminal means when screen drum 12 is in normal operation, along the initiating terminal of the direction of propulsion of helical form guide plate.
Sleeve 13 is placed on rotating shaft 11 rotatably, forms water containing chamber 131 between sleeve 13 and rotating shaft 11.Certainly, sleeve 13 can be specially the sleeve with internal layer 132 and outer 133, and wherein, internal layer 132 coordinates rotationally with rotating shaft 11, and the interlayer between internal layer 132 and outer 133 is water containing chamber 131.
Water containing chamber 131 is connected with sewage conduct 14, and the sidewall of sleeve 13 offers some nozzles 134.The inwall stationary distribution of screen drum 12 has multiple bucket 16, and the opening of bucket 16 is corresponding with nozzle 134.
Should be appreciated that the sewage in sewage conduct 14 is pumped into wherein by water pump, therefore the sewage among sewage conduct 14 has certain overbottom pressure.After the sewage with certain overbottom pressure enters water containing chamber 131, the nozzle 134 arranged by its sidewall is sprayed, inwall due to screen drum 12 is distributed with multiple bucket 16, and the opening of bucket 16 is corresponding with nozzle 134, press water is sprayed onto bucket 16 by nozzle 134, starts to rotate under the blowing force effect of screen drum 12 between press water and bucket 16 and under the effect of the weight of bucket 16 internal water.It should be noted that, because sleeve 13 is placed in rotating shaft 11 rotatably, and sleeve 13 is fixedly connected with sewage conduct 14, therefore when rotating shaft 11 is rotated with screen drum 12, sleeve 13 is static, therefore the position of nozzle 134 is constant all the time, and then power cycle can be delivered to each bucket 16 by nozzle 134.While screen drum 12 rotates, sewage filters through screen drum 12, and the opening part that filtrate is pushed to screen drum 12 under the impetus of spiral guide plate is discharged.
Obviously, relative to the grid maker of prior art, grid maker provided in the present embodiment, do not need to adopt drive unit, transmission device etc., its structure is simple, regular maintenance amount is little, and does not need additionally to provide power, and operating cost is low.
It should be noted that, grid maker, in the process of automatic discharge, has certain requirement to the rotating speed of screen drum 12.If screen drum 12 rotating speed is too fast, the granule in sewage can be caused to be blocked by the grid of screen drum 12, even if backwash also cannot be swept away, now, the injection flow rate of nozzle 134 need be reduced, to reduce the rotating speed of screen drum 12.And according to actual used water situation, sometimes need to reduce flow, only run a water pump, speed is comparatively slow, and now, in order to ensure the normal operation of screen drum 12, the injection flow rate of nozzle 134 needs to strengthen.
Given this, in the preferred version of this detailed description of the invention, can as following setting, to make the injection flow rate of nozzle 134 adjustable.Please refer to Fig. 3-Fig. 5, Fig. 3 is sewage conduct structural representation in the specific embodiment of the invention; Fig. 4 is specific embodiment of the invention middle sleeve cross-sectional view; Fig. 5 is A-A schematic cross-section in Fig. 4.
The inside of water containing chamber 131 is provided with dividing plate 135, water containing chamber 131 is divided into the first half chambeies 136 and the second half chambeies 137 by dividing plate 135, nozzle 134 is arranged at the sidewall in the first half chambeies 136, and the first half chambeies 136 are connected with sewage conduct 14, and the sidewall in the second half chambeies 137 is provided with dewatering outlet 1371; Sewage conduct 14 is provided with branch road 141, and branch road 141 is connected with the second half chambeies 137, and branch road 141 is provided with choke valve 142.
Setting like this, sewage has two paths, and one enters the first half chambeies 136 by sewage conduct 14 and sprayed by nozzle 134, and another enters the second half chambeies 137 by branch road 141, because the second half chambeies 137 are provided with dewatering outlet 1371, therefore sewage directly enters screen drum 12 by dewatering outlet 1371 filters.When giant 134 flow need be added, only the flow of choke valve 142 need be turned down, the discharge of sewage in inflow the second half chamber 137 can be made to reduce, and the flow in the first half chambeies 136 will increase, and then the injection flow rate of nozzle 134 is strengthened, the rotating speed of screen drum 12 improves.When needs reduce nozzle 134 flow, only the flow of choke valve 142 need be tuned up, the flow in inflow the second half chamber 137 can be made to increase, and then the discharge of sewage in inflow the first half chamber 136 is reduced, thus the flow sprayed by nozzle 134 reduces, the rotating speed of screen drum 12 declines.
In addition, screen drum 12 provided in the present embodiment is connected to rotating shaft 11 rotationally by such as under type.Rotating shaft 11 is provided with the first hub sleeve 111 and the second hub sleeve 112 successively along the screw propulsion direction of helical form guide plate, be connected with between first hub sleeve 111 and the inwall of screen drum 12 between many first brace rod 113, second hub sleeves 112 and the inwall of screen drum 12 and be connected with many second brace rods 114.
The mode that first hub sleeve 111 and the second hub sleeve 112 are all connected by key is fixed in rotating shaft 11, certainly, is also connected in rotating shaft 11 by alternate manner, such as, and the modes such as bolt connection, welding.Screen drum 12 is larger by Sewage shock active force, with the connection of rotating shaft 11, there is good stability in order to make screen drum 12, first brace rod 113 and the second brace rod 114 can be supported in the port position near screen drum 12 respectively, setting like this, the supporting role power distribution uniform that brace rod suffered by screen drum 12 applies, therefore can make screen drum 12 have good stability with the connection of rotating shaft 11.
In addition, it should be noted that, because bucket 16 is arranged at the inside of screen drum 12 and nozzle 134 is corresponding with screen drum 12, therefore the part of sleeve 13 and nozzle 134 need to be inserted into screen drum 12 inner.In order to the normal operation making nozzle 134 and sleeve 13 not affect screen drum 12, the preferred version of this detailed description of the invention can as following setting.
First hub sleeve 111 penetrates with the inside of screen drum 12, and the first brace rod 113 is arc support muscle, and first brace rod 113 one end is connected with the first hub sleeve 111, and the other end is connected to the end of screen drum 12, and sleeve 13 is disposed adjacent with the first hub sleeve 111.
It should be noted that, because the first hub sleeve 111 is positioned at the inside of screen drum 12, one end of first brace rod 113 is connected to the openend of screen drum 12, therefore the first brace rod 113 is required to be convex structure or bending structure to avoid sleeve 13 and then to be connected with the first hub sleeve 111.Certainly, do not affect the prerequisite of the installation of the first brace rod 113 at sleeve 13 under, the first brace rod 113 also can be straight, and the concrete shape of the first brace rod 113 specifically can set according to actual installation situation.Sleeve 13 is disposed adjacent with the first hub sleeve 111, mean that sleeve 13 also penetrates with screen drum 12 inner, and sleeve 13 is mutually close with the position of the first hub sleeve 111.
Sleeve 13 is arranged at the outer end of the first brace rod 113, and it is inner that its nozzle 134 is arranged at screen drum 12, and corresponding with bucket 16.Obviously, so arrange, on the basis that nozzle 134 is corresponding with bucket 16, nozzle 134 and sleeve 13 do not affect the normal operation of screen drum 12.
Please refer to Fig. 6, Fig. 6 is grid maker end construction schematic diagram in the specific embodiment of the invention.
In addition, grid maker provided in the present embodiment also can comprise the outer cover 17 covering in screen drum 12 periphery and the base 18 be connected to bottom outer cover 17, it should be noted that, because the sewage after screen drum 12 filters is spilt by the bottom of screen drum 12, therefore the bottom of base 18 needs to offer the breach that leaks.Base 18 is for support housings 17.Should be appreciated that grid maker is installed on the top for the treatment of tank, the sewage after grid maker filters directly falls in treatment tank and carries out subsequent treatment.Therefore pass through the base 18 of grid maker, grid maker can be installed on the top for the treatment of tank, and make grid maker have good stability.In addition, outer cover 17 can make grid maker provided by the invention have good aesthetic property.
Be provided with helical form guide plate in screen drum 12, the foreign material after filtration export to the aperture position of screen drum 12 through the impetus of helical form guide plate, and the container that then foreign material fall into accommodating foreign material by aperture position is collected, to carry out subsequent treatment.In order to make foreign material to fall in said vesse smoothly, the screen drum 12 that this detailed description of the invention provides, its opening being positioned at helical form guide plate end is provided with foreign material and derives plate (not shown).Setting like this, foreign material are after filtering derived plate by foreign material and are fallen in the container of accommodating foreign material.
The concrete quantity of nozzle 134 provided in the present embodiment can be two, and certainly, also can be one, three etc., its concrete quantity specifically can set according to the pressure of water and flow.Preferably, the quantity of bucket 16 is more than or equal to four, and is uniformly distributed in the inwall of screen drum 12.Setting like this, can ensure that the power being supplied to screen drum 12 has continuation.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a grid maker, it is characterized in that, comprise support and be arranged at the screen drum of described support by rotating shaft, the inwall of described screen drum is provided with helical form guide plate, one end that described rotating shaft is positioned at described helical form guide plate initiating terminal is provided with sleeve, described sleeve is placed on described rotating shaft rotatably, water containing chamber is formed between described sleeve and described rotating shaft, described water containing chamber is fixedly connected with sewage conduct, the sidewall of described sleeve is provided with some nozzles, the inwall stationary distribution of described screen drum has multiple bucket, and the opening of described bucket is corresponding with described nozzle.
2. a kind of grid maker as claimed in claim 1, it is characterized in that, the inside of described water containing chamber is provided with dividing plate, described water containing chamber is divided into the first half chambeies and the second half chambeies by described dividing plate, described nozzle is arranged at the sidewall in described the first half chambeies, described the first half chambeies are connected with described sewage conduct, and the sidewall in described the second half chambeies is provided with dewatering outlet; Described sewage conduct is provided with branch road, and described branch road is connected with described the second half chambeies, and described branch road is provided with choke valve.
3. a kind of grid maker as claimed in claim 2, it is characterized in that, described rotating shaft is provided with the first hub sleeve and the second hub sleeve successively along the screw propulsion direction of described helical form guide plate, be connected with many first brace rods between described first hub sleeve and the inwall of described screen drum, between described second hub sleeve and the inwall of described screen drum, be connected with many second brace rods.
4. a kind of grid maker as claimed in claim 3, it is characterized in that, described first hub sleeve penetrates with the inside of described screen drum, and described first brace rod is arc support muscle, described first brace rod one end is connected with described first hub sleeve, the other end is connected to the openend of described screen drum, and described sleeve is disposed adjacent with described first hub sleeve.
5. a kind of grid maker as claimed in claim 4, is characterized in that, also comprise base and cover in the outer cover of periphery of described screen drum, described outer cover is fixedly connected on described base, and the bottom of described outer cover offers the breach that leaks.
6. a kind of grid maker as claimed in claim 5, is characterized in that, the opening that described screen drum is positioned at described helical form guide plate end is provided with foreign material derivation plate.
7. a kind of grid maker as claimed in claim 2, is characterized in that, described nozzle is two.
8. a kind of grid maker as described in any one of claim 1-7, is characterized in that, the quantity of described bucket is more than or equal to four, and is uniformly distributed in the inwall of described screen drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327729.6A CN103071327B (en) | 2011-10-25 | 2011-10-25 | Grillage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110327729.6A CN103071327B (en) | 2011-10-25 | 2011-10-25 | Grillage machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103071327A CN103071327A (en) | 2013-05-01 |
| CN103071327B true CN103071327B (en) | 2015-03-04 |
Family
ID=48148150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110327729.6A Expired - Fee Related CN103071327B (en) | 2011-10-25 | 2011-10-25 | Grillage machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103071327B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984909B (en) * | 2015-03-06 | 2019-07-23 | 苏州市和源环保科技有限公司 | A kind of sewage plug-flow sundries separator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4276169A (en) * | 1980-04-10 | 1981-06-30 | Dorr-Oliver Incorporated | Drainage deck assembly for rotary vacuum drum filter |
| CN1055887A (en) * | 1991-02-05 | 1991-11-06 | 陈华泉 | Bucket-type multipurpose foodstuff washer with swinging handle |
| US5435917A (en) * | 1991-12-20 | 1995-07-25 | Fukoku Kogyo Co. Ltd. | Rotary filter comprising a screen drum and internal screw member |
| US20060021921A1 (en) * | 2003-04-04 | 2006-02-02 | Christian Frommann | Apparatus for removing fine material from a liquid |
| JP2009136809A (en) * | 2007-12-07 | 2009-06-25 | Nachi Fujikoshi Corp | Rotating drum type filter |
| CN201665544U (en) * | 2010-03-30 | 2010-12-08 | 环境保护部华南环境科学研究所 | Energy-efficient solid-liquid separating rotary drum type grid machine |
| CN201862314U (en) * | 2009-01-21 | 2011-06-15 | 郭丰时 | Water-driven full-plastic micro-filter |
| CN202237489U (en) * | 2011-10-25 | 2012-05-30 | 中煤能源黑龙江煤化工有限公司 | Grilling machine |
-
2011
- 2011-10-25 CN CN201110327729.6A patent/CN103071327B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4276169A (en) * | 1980-04-10 | 1981-06-30 | Dorr-Oliver Incorporated | Drainage deck assembly for rotary vacuum drum filter |
| CN1055887A (en) * | 1991-02-05 | 1991-11-06 | 陈华泉 | Bucket-type multipurpose foodstuff washer with swinging handle |
| US5435917A (en) * | 1991-12-20 | 1995-07-25 | Fukoku Kogyo Co. Ltd. | Rotary filter comprising a screen drum and internal screw member |
| US20060021921A1 (en) * | 2003-04-04 | 2006-02-02 | Christian Frommann | Apparatus for removing fine material from a liquid |
| JP2009136809A (en) * | 2007-12-07 | 2009-06-25 | Nachi Fujikoshi Corp | Rotating drum type filter |
| CN201862314U (en) * | 2009-01-21 | 2011-06-15 | 郭丰时 | Water-driven full-plastic micro-filter |
| CN201665544U (en) * | 2010-03-30 | 2010-12-08 | 环境保护部华南环境科学研究所 | Energy-efficient solid-liquid separating rotary drum type grid machine |
| CN202237489U (en) * | 2011-10-25 | 2012-05-30 | 中煤能源黑龙江煤化工有限公司 | Grilling machine |
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| CN103071327A (en) | 2013-05-01 |
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