CN103721448A - Sand pumping device - Google Patents
Sand pumping device Download PDFInfo
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- CN103721448A CN103721448A CN201310477010.XA CN201310477010A CN103721448A CN 103721448 A CN103721448 A CN 103721448A CN 201310477010 A CN201310477010 A CN 201310477010A CN 103721448 A CN103721448 A CN 103721448A
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Abstract
The invention provides a sand pumping device which can reduce time for maintaining management, etc. A sand pumping device (1) of the invention performs sand pumping on the sands (S) on the bottom of two spiral-flow type grit chambers (70A, 70B) and comprises an injection pump (18) configured on the external part of the spiral-flow type grit chambers (70A, 70B), absorbing the sands (S) on the bottom of two spiral-flow type grit chambers (70A, 70B) and discharging the sands (S) to the external parts of the spiral-flow type grit chambers (70A, 70B); two suckers (11A,11B) respectively arranged in the spiral-flow type grit chambers (70A, 70B) and connected to the injection pump (18) so as to absorb sand particles on the bottom of the spiral-flow type grit chambers (70A, 70B); and two sucker switching parts (12) selectively switching the suckers (11A,11B) connected to the injection pump (18).
Description
Technical field
The application advocates the priority of No. 2012-228940th, Japanese patent application based on October 16th, 2012 application.The full content of its application is by reference to being applied in this description.
The present invention relates to a kind ofly to what be deposited in that the sand grains of setting pot bottom takes out sand, take out sand device.
Background technology
In patent documentation 1, record injecting type and take out sand system.This is taken out in sand system, and the sand grains dropping in setting pot is collected in the predetermined location in setting pot by Ji Sha mechanism.The sand grains gathering is taken out together with water by sandpump structure.The water of being taken out containing sand grains is separated into sand grains and water by Separation of Solid and Liquid member.
Patent documentation 1: TOHKEMY 2011-245414 communique
But, according to the injecting type of recording in patent documentation 1, take out sand system, on 1 setting pot, configure 1 injecting type and take out sand system.Therefore, when being provided with multiple setting pot in terminal sewage treatment plant etc., each setting pot needs injecting type to take out sand system, the problem that therefore exists the maintenance managements such as the many and maintenance of equipment to lose time and so on.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of can reduce equipment and reduce the spent time of the maintenance management such as maintenance take out sand device.
The involved in the present invention sand device of taking out is taken out sand to the sand grains that is deposited in multiple setting pots bottom, and it possesses: 1 jet pump, be disposed at the outside of setting pot, and suck and be deposited in the sand grains of setting pot bottom and discharge outside setting pot; Multiple suction pipes, are disposed at respectively setting pot, and are connected in jet pump and the sand grains of setting pot bottom is drunk up; And suction pipe switching part, optionally switch the suction pipe being connected with jet pump.
This is taken out in sand device, and the suction pipe that is disposed at respectively multiple setting pots is optionally connected in jet pump by suction pipe switching part.According to this structure, even if be multiple setting pots, as long as suction pipe is configured on each setting pot and just can deals with and take out sand with a jet pump.Therefore, when in each of multiple setting pots, sand device is taken out in configuration compared with, reduced the quantity of jet pump, therefore can reduce the spent times of maintenance management such as maintenance.
Configuring the setting pot of taking out sand device involved in the present invention can be for to possess the cyclone-type sand precipitating pool that separates the separation unit of sand grains and water for generation of eddy flow, and suction pipe drinks up the sand grains separating in separation unit.And, configuring the setting pot of taking out sand device involved in the present invention and also can be the horizontal flow type grit chamber that possesses the groove for making sand fallout in bottom, suction pipe drinks up the sand grains that drops to groove.In addition, configuring the setting pot of taking out sand device involved in the present invention can also be for possessing the aeration type setting pot of the groove for carrying out aeration when making sand fallout in bottom, and suction pipe drinks up the sand grains that drops to groove.
This is taken out in sand device, and no matter setting pot is any one in cyclone-type sand precipitating pool, horizontal flow type grit chamber or aeration type setting pot, as long as suction pipe is configured on each setting pot and just can deals with and take out sand with a jet pump.Therefore, when in each of multiple setting pots, sand device is taken out in configuration compared with, reduced the quantity of jet pump, therefore can reduce the spent times of maintenance management such as maintenance.
According to the sand device of taking out of the present invention, provide a kind of can reduce the spent time of the maintenance managements such as maintenance take out sand device.
Accompanying drawing explanation
Fig. 1 is the figure that takes out sand device that represents that the 1st embodiment is related.
Fig. 2 is the figure that takes out sand device that represents that the 2nd embodiment is related.
Fig. 3 is the figure that takes out sand device that represents that the 3rd embodiment is related.
1,2,3-takes out sand device, 11A, 11B-suction pipe, 12-suction pipe switching part in figure:, the 13-portion of drawing water, 18-jet pump, 70A, 70B-cyclone-type sand precipitating pool, 71-separation unit, 72A, 72B-collection sand portion, 78-eddy flow generating unit, 79-equipment for separating liquid from solid, 80A, 80B-horizontal flow type grit chamber, 81A, 81B-collection sand groove, 82A, 82B-collection sand device, 90A, 90B-aeration type setting pot, 91A, 91B-collection sand groove, 92A, 92B-aerator, W-processed water, S-sand grains.
The specific embodiment
Below, with reference to accompanying drawing, the embodiment of taking out sand device involved in the present invention is elaborated.In addition, in accompanying drawing explanation, identical important document is added to same-sign, and omit repeat specification.
[the 1st embodiment]
Fig. 1 is the figure that takes out sand device 1 that represents that the 1st embodiment is related.As shown in Figure 1, take out sand device 1 and be disposed at 2 cyclone-type sand precipitating pool 70A, 70B being arranged in terminal sewage treatment plant.The processed water W that cyclone-type sand precipitating pool 70A, 70B make to comprise sand grains etc. produces eddy flow, by so-called cyclone effect, separates the sand grains with larger specific gravity and the processed water W with less proportion.In present embodiment, the sand device 1 of taking out of sand grains S etc. being taken out to sand from 2 cyclone-type sand precipitating pool 70A, 70B is described.
Cyclone-type sand precipitating pool 70A has separation unit 71 and the collection 72A of sand portion, and wherein, this separation unit separates sand grains and water for generation of eddy flow, and this collection sand portion is for gathering separated sand grains.Separation unit 71 is cylindrical shape for example.The sidewall 73 of separation unit 71 is provided with water inlet 74 and outlet 76, and wherein, this water inlet is for importing processed water W containing sand grains, and this outlet is for discharging the processed water W of sand grains after separated.In this cyclone-type sand precipitating pool 70A, processed water W is imported into continuously or discontinuously from water inlet 74.Integrate the 72A of sand portion for example as drum, there is the internal diameter that is less than separation unit 71.The upper end of the collection 72A of sand portion is towards bottom 77 openings of separation unit 71.In addition,, because cyclone-type sand precipitating pool 70B has identical structure with cyclone-type sand precipitating pool 70A, therefore identical important document is added same-sign and omits repeat specification.
Take out sand device 1 collect the 72A of sand portion, 72B sand grains S to being deposited in the bottom of cyclone-type sand precipitating pool 70A, 70B and take out sand.Take out sand device 1 and possess the suction pipe 11A of cyclone-type sand precipitating pool 70A, the suction pipe 11B that is disposed at cyclone-type sand precipitating pool 70B, suction pipe switching part 12 and the portion 13 of drawing water of being disposed at.
Suction pipe switching part 12 is selected any in suction pipe 11A or suction pipe 11B and is connected in the portion of drawing water 13.On suction pipe switching part 12, be connected with respectively the other end of suction pipe 11A, 11B.And, on suction pipe switching part 12, be connected with the portion of drawing water 13.The pipe arrangement 17 that suction pipe switching part 12 comprises 2 inlet valve 16A, 16B and each inlet valve 16A, 16B are connected with the portion of drawing water 13.On inlet valve 16A, be connected with the other end of suction pipe 11A.And, on inlet valve 16B, be connected with the other end of suction pipe 11B.By controlling the switching of inlet valve 16A, 16B, can select any in suction line 11A or suction line 11B and be connected in the portion of drawing water 13.About the switching of inlet valve 16A, 16B, can manually be implemented by operating personnel, also can implement by the control device (not shown) that is connected in each inlet valve 16A, 16B.
If be described in more detail, when implementing to take out sand, the inlet valve 16A of suction pipe 11A is made as to open mode in cyclone-type sand precipitating pool 70A, the inlet valve 16B of suction pipe 11B is made as closed condition.By setting inlet valve 16A like this, 16B, the suction pipe 11A that is disposed at cyclone-type sand precipitating pool 70A is connected in the portion of drawing water 13.And, when implementing to take out sand, the inlet valve 16B of suction pipe 11B being made as to open mode in cyclone-type sand precipitating pool 70B, the inlet valve 16A of suction pipe 11A is made as closed condition.By setting inlet valve 16A like this, 16B, the suction pipe 11B that is disposed at cyclone-type sand precipitating pool 70B is connected in the portion of drawing water 13.
Portion's 13 suctions of drawing water are deposited in the collection sand 72A of portion of cyclone-type sand precipitating pool 70A, 70B, the sand grains S of 72B, and discharge outside cyclone-type sand precipitating pool 70A, 70B.The portion 13 of drawing water is disposed at the outside of cyclone-type sand precipitating pool 70A, 70B.The portion 13 of drawing water has jet pump 18, tank 19 and is connected in the compression pump 21 of tank 19.Compression pump 21 is supplied with the press water with predetermined pressure to jet pump 18, and predetermined pressure is configured to and can be controlled to desired value.The press water that is supplied in jet pump 18 sprays to the jet chamber in jet pump 18, the effect of drawing (so-called jet pump effect) of taking out producing by inject high pressure water in the interior generation of jet pump 18.By this, taken out and drawn effect, jet pump 18 together sucks near the processed water W being deposited in sand grains S and the sand grains S of the collection 72A of sand portion, 72B, to equipment for separating liquid from solid 79, discharges.
At this, for example, when sand grains S being taken out to sand from cyclone-type sand precipitating pool 70A as example describes the action of jet pump 18.In addition, while sand grains S being taken out to sand from cyclone-type sand precipitating pool 70A, inlet valve 16A is made as open mode, and inlet valve 16B is made as closed condition.Press water is supplied to the pressurization hydroecium in jet pump 18 from compression pump 21.This press water is inner injected at jet pump 18.The press water spraying to jet pump 18 passes through with high flow velocities, via pipe arrangement 22, to equipment for separating liquid from solid 79, discharges.So, by press water flow at high speed in the jet chamber of jet pump 18, suction pipe 11A side becomes vacuum state, produces attraction.Its result, sand grains S that is deposited in the 72A of the sand portion that collects of cyclone-type sand precipitating pool 70A etc. is inhaled in suction pipe 11A from suction inlet 14A.
The sand device 1 of taking out that is arranged at cyclone-type sand precipitating pool 70A, 70B also possesses eddy flow generating unit 78.Eddy flow generating unit 78 has rotating vane 78a, rotating shaft 78b and motor 78c.Rotating vane 78aYi center and separation unit 71 center roughly consistent mode are disposed at the bottom 77 of separation unit 71.Rotating vane 78a is fixed on rotating shaft 78b.Rotating shaft 78bYi center and separation unit 71 center roughly consistent mode extend to the upper surface portion 75 of cyclone-type sand precipitating pool 70A, 70B from the bottom 77 of separation unit 71.
Be disposed on one end of rotating shaft 78b of cyclone-type sand precipitating pool 70A, 70B rotating vane 78a is installed.From the other end of the outstanding rotating shaft 78b of the upper surface portion 75 of separation unit 71, through speed changer 78d, motor 78c is installed.By motor 78c is installed on to rotating shaft 78b via speed changer 78d, can adjust the rotating speed of the rotating vane 78a that is fixed on rotating shaft 78b.
Eddy flow generating unit 78 imports to the processed water W of separation unit 71 inside by making rotating vane 78a rotate to stir.By this stirring, at the eddy flow of the interior generation processed water of separation unit 71 W.Its result, the cyclone effect causing by eddy flow, sand grains S and processed water W are separated.
In addition, when suction pipe 11A, 11B being configured to can rotate with respect to upper surface portion 75 time, can be by suction pipe 11A, 11B as rotating shaft 78b.That is, suction pipe 11A, 11B at this moment has the function as the rotating shaft of the rotating vane 78a rotation for making eddy flow generating unit 78.
Equipment for separating liquid from solid 79 has: separate water pot 79a, accumulate from the portion of drawing water 13, discharge containing sand grains S, take out sand water Wp; Spiral transporter 79b, carries obliquely upward by lodging in when the sand grains S that takes out sand water Wp etc. that separates water pot 79a dewaters, and sand grains S etc. is separated as solid content from taking out sand water Wp; And discharge portion 79c, make to carry the solid content of coming to drop to the rear discharge of hopper (not shown) by spiral transporter 79b.
The sand method of taking out of taking out sand device 1 to utilizing describes.First, in each cyclone-type sand precipitating pool 70A, 70B, import processed water W.Secondly, by making 78 work of eddy flow generating unit produce the eddy flow of processed water W, separate thus sand grains S and processed water W.Then, the inlet valve 16A of suction pipe 11A is made as to open mode, and the inlet valve 16B of suction pipe 11B is made as closed condition.And, by compression pump 21 work that make the portion of drawing water 13, to jet pump 18, supplying with press water, sand grains S and processed water W can be drunk up from cyclone-type sand precipitating pool 70A thus.For example, the supply of press water is only carried out the predefined time.If through setting-up time, controlled pressure pump 21 stops supplying with press water.
Then, the inlet valve 16A in open mode is made as to closed condition, and the inlet valve 16B in closed condition is made as to open mode.And, again by compression pump 21 work that make the portion of drawing water 13, to jet pump 18, supplying with press water, sand grains S and processed water W can be drunk up from the cyclone-type sand precipitating pool 70B of configuration suction pipe 11B thus.
According to present embodiment take out sand device 1, the suction pipe 11A, the 11B that in each of 2 cyclone-type sand precipitating pool 70A, 70B, configure are optionally connected in jet pump 18 by suction pipe switching part 12.According to this structure, even if be 2 cyclone-type sand precipitating pool 70A, 70B, as long as suction pipe 11A, 11B are configured in respectively, cyclone-type sand precipitating pool 70A, 70B are upper just can be taken out sand device 1 with one that possesses a jet pump 18 and deal with and take out sand.Therefore, when configuring jet pump 18 respectively on 2 cyclone-type sand precipitating pool 70A, 70B compared with, can reduce the quantity of required jet pump 18, therefore can reduce and take out spent time and the equipment costs of maintenance management such as the maintenance of sand device 1.
And, owing to taking out sand device 1, possess the portion of drawing water 13 with jet pump 18, therefore without preventing that sand grains S from entering the inside of the jet pump 18 for taking out sand.Therefore, without be configured for the device that temporarily accumulates sand grains S at the discharge path of sand grains S.In addition, according to the portion of drawing water 13 with jet pump 18, can carry out continuously and take out sand.
[the 2nd embodiment]
Fig. 2 is the figure that takes out sand device 2 that represents that the 2nd embodiment is related.As shown in Figure 2, take out sand device 2, for example be applicable to be located at 2 horizontal flow type grit chamber 80A, 80B in terminal sewage treatment plant, to dropping to the collection sand groove 81A of horizontal flow type grit chamber 80A, 80B, the sand grains S of 81B, collect sand, and by the water comprising by the sand grains S of collection sand is drawn water to take out sand as taking out sand water Wp.Take out sand device 2 by this collection sand and take out sand and remove sand grains S from horizontal flow type grit chamber 80A, 80B.Horizontal flow type grit chamber 80A, 80B are used for the sand grains S sedimentation of the processed water W that makes from inflow side (diagram left side) inflow.In the bottom of this horizontal flow type grit chamber 80A, 80B, in the centre position of inflow side and outflow side, be provided with for temporarily accumulating by concavity collection sand groove 81A, the 81B of the sand grains S of collection sand.
Take out sand device 2 and possess the suction pipe 11A of horizontal flow type grit chamber 80A, the suction pipe 11B that is disposed at horizontal flow type grit chamber 80B, suction pipe switching part 12 and the portion 13 of drawing water of being disposed at.The suction inlet 14A of suction pipe 11A is disposed at the upstream side in the collection sand groove 81A of horizontal flow type grit chamber 80A.And the suction inlet 14B of suction pipe 11B is disposed at the upstream side in the collection sand groove 81B of horizontal flow type grit chamber 80B.
The sand device 2 of taking out that the 2nd embodiment is related possesses the eddy flow generating unit 78 that sand device 1 possesses of taking out that the collection sand device 82B that is disposed at the collection sand device 82A of horizontal flow type grit chamber 80A and is disposed at horizontal flow type grit chamber 80B replaces the 1st embodiment. Collection sand device 82A, 82B be what is called be arranged in horizontal flow type grit chamber 80A, 80B for carrying out the device of low pressure～pressure collection sand.
The action of taking out sand device 2 is described.First, will be made as open mode with the collection sand valve 86a being connected away from the collection sandpipe 83a of suction inlet 14A, 14B, upstream side spray injection pressure water.By this injection, upstream side shifting of sand grains S.Then, collection sand valve 86b is made as to open mode and from collection sandpipe 83b upstream side spray injection pressure water.By this injection, further side shifting upstream of sand grains S.Then, collection sand valve 86c is made as to open mode and from collection sandpipe 83c upstream side spray injection pressure water.By this injection, sand grains S moves near suction inlet 14A, 14B.By operation like this, be connected in collection sand valve 86a～86c of collection sandpipe 83a～83c, the sand grains S that is deposited in collection sand groove 81A, 81B bottom moves near suction inlet 14A, the 14B of the upstream side that is disposed at collection sand groove 81A, 81B.
After the sand grains S that is deposited in collection sand groove 81A, 81B moves near suction inlet 14A, 14B, utilize and take out sand device 2 sand grains S etc. is taken out to sand.With utilize the 1st embodiment take out sand device 1 take out sand method in the same manner, when sand device 2 is taken out in utilization, by the open and-shut mode of operation inlet valve 16A, 16B, from horizontal flow type grit chamber 80A or horizontal flow type grit chamber 80B, take out sand.Particularly, when taking out sand from horizontal flow type grit chamber 80A, inlet valve 16A is made as to open mode and inlet valve 16B is made as to closed condition and supplies with press water to jet pump 18.And, when taking out sand from horizontal flow type grit chamber 80B, inlet valve 16A is made as to closed condition and inlet valve 16B is made as to open mode and supplies with press water to jet pump 18.
With the 1st embodiment related take out sand device 1 in the same manner, the 2nd embodiment is related takes out sand device 22 horizontal flow type grit chamber 80A, 80B are upper just can be dealt with and take out sand with the sand device 2 of taking out that possesses a jet pump 18 as long as suction pipe 11A, 11B are configured in respectively.Therefore, can reduce and take out the spent times of maintenance management such as the maintenance of sand device 2.
[the 3rd embodiment]
Fig. 3 is the figure that takes out sand device 3 that represents that the 3rd embodiment is related.As shown in Figure 3, take out aeration type setting pot 90A, 90B that sand device 3 is for example applicable to terminal sewage treatment plant etc., to dropping to, be arranged at the collection sand groove 91A of aeration type setting pot 90A, 90B, the sand grains S of 91B and collect sand, and by the water comprising by the sand grains S of collection sand is drawn water to take out sand as taking out sand water Wp.Take out sand device 3 by this collection sand and take out sand and remove sand grains S from aeration type setting pot 90A, 90B.
In aeration type setting pot 90A, 90B, the sand grains S sedimentation the processed water W flowing into from inflow side (diagram left side), and carry out importing the aeration of air in processed water W.In the bottom of this aeration type setting pot 90, in the centre position of inflow side and outflow side, be provided with for temporarily accumulating by concavity collection sand groove 91A, the 91B of the sand grains S of collection sand.
The 3rd embodiment is related takes out sand device 3 and possesses and be disposed at the suction pipe 11A of aeration type setting pot 90A, the suction pipe 11B that is disposed at aeration type setting pot 90B, suction pipe switching part 12, the portion 13 of drawing water, be disposed at the collection sand device 82A of aeration type setting pot 90A and be disposed at the collection sand device 82B of aeration type setting pot 90B.Take out sand device 3 and also possess the aerator 92B that is disposed at the aerator 92A of aeration type setting pot 90A and is disposed at aeration type setting pot 90B.That is, the 3rd embodiment is related, and to take out sand device 3 are the related devices of taking out sand device 2 and also possess aerator 92A, 92B of the 2nd embodiment.
Aerator 92A carries out aeration for import air in collection sand groove 91A.Aerator 92A has the multiple diffusers 93 that arrange towards the bottom of aeration type setting pot 90A and multiple air diffusers 94 that streamwise is set up in parallel in collection sand groove 91A.One end of each diffuser 93 is connected in air supply source 96.From supply source 96, supply with for the air at the loose gas of processed water W.Air diffuser 94 is arranged at the lower end of each diffuser 93 and deflates to the direction bottom aeration type setting pot 90A.In addition, because aerator 92B has identical structure, therefore detailed with aerator 92A.
Take out sand device 3 and be the device of taking out sand device 2 and possess aerator 92A, 92B.Thus, by operating in the same manner and take out sand device 3 with the operation of taking out sand device 2, can carry out collection sand and take out sand.
With the 1st embodiment related take out sand device 1 in the same manner, the 3rd embodiment is related takes out sand device 32 aeration type setting pot 90A, 90B are upper just can be dealt with and take out sand with the sand device 3 of taking out that possesses a jet pump 18 as long as suction pipe 11A, 11B are configured in respectively.Therefore, can reduce and take out the spent times of maintenance management such as the maintenance of sand device 3.
In addition, above-mentioned embodiment represents to take out an example of sand device.The involved in the present invention sand device 1～3 of taking out is not limited to above-mentioned embodiment, in the scope of the purport of recording in not changing claim, the sand device 1～3 of taking out that can be related to above-mentioned embodiment is out of shape or makes it be applicable to other devices.
In above-mentioned the 1st～3rd embodiment, take what 2 setting pots were configured, take out sand device 1～3 as example is illustrated, but take out sand device 1～3, also can be disposed at 2 above setting pots.When sand device 1～3 is taken out in the setting pot configuration to more than 2, to take out sand device 1～3 and possess the suction pipe corresponding with the quantity of setting pot 11, suction pipe switching part 12 possesses the inlet valve 16 corresponding with each suction pipe 11.
And, take out sand device 1～3 and also go for having except cyclone-type sand precipitating pool, horizontal flow type grit chamber or aeration type setting pot are with the setting pot of external structure.
Claims (4)
1. take out a sand device, it takes out sand to the sand grains that is deposited in multiple setting pots bottom, and this is taken out sand device and is characterised in that to possess:
1 jet pump, is disposed at the outside of described setting pot, sucks and is deposited in the described sand grains of described setting pot bottom and discharges outside described setting pot;
Multiple suction pipes, are disposed at respectively described setting pot, and are connected in described jet pump and the described sand grains of described setting pot bottom is drunk up; And
Suction pipe switching part, optionally switches the described suction pipe being connected with described jet pump.
2. the sand device of taking out according to claim 1, is characterized in that,
Described setting pot is to possess the cyclone-type sand precipitating pool that separates the separation unit of sand grains and water for generation of eddy flow,
Described suction pipe drinks up the sand grains after separated in described separation unit.
3. the sand device of taking out according to claim 1, is characterized in that,
Described setting pot is the horizontal flow type grit chamber that possesses the groove for making sand fallout in bottom,
Described suction pipe drinks up the sand grains that drops to described groove.
4. the sand device of taking out according to claim 1, is characterized in that,
Described setting pot is in bottom, to possess for making sand fallout and carrying out the aeration type setting pot of the groove of aeration,
Described suction pipe drinks up the sand grains that drops to described groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012228940A JP2014079696A (en) | 2012-10-16 | 2012-10-16 | Sand pumping apparatus |
| JP2012-228940 | 2012-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103721448A true CN103721448A (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310477010.XA Pending CN103721448A (en) | 2012-10-16 | 2013-10-12 | Sand pumping device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014079696A (en) |
| CN (1) | CN103721448A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6285293B2 (en) * | 2014-06-24 | 2018-02-28 | クボタ環境サ−ビス株式会社 | Sanding method and sedimentation equipment |
| CN107485897B (en) * | 2017-09-30 | 2023-08-15 | 绿源(北京)环保设备股份有限公司 | Sand lifting device and sand-water separation system |
| JP7080479B2 (en) * | 2018-07-13 | 2022-06-06 | アクアインテック株式会社 | Sand carry-out equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174246Y (en) * | 1993-06-29 | 1994-08-17 | 广东省佛山市自来水公司 | Siphon sludge machine |
| CN2368839Y (en) * | 1998-05-27 | 2000-03-15 | 中国市政工程西南设计研究院 | Rotary aeration sewage treating apparatus |
| JP2003154208A (en) * | 2001-11-20 | 2003-05-27 | Maezawa Ind Inc | Sedimentary sand separation and storage hopper apparatus |
| CN201625443U (en) * | 2009-12-17 | 2010-11-10 | 江苏振宇环保科技有限公司 | Sediment air-lifting device |
| CN202342959U (en) * | 2011-10-12 | 2012-07-25 | 彭悦 | Device for forcedly flushing mud discharge pipes and mud collection hoppers with power |
| CN202387264U (en) * | 2011-12-06 | 2012-08-22 | 住友重机械环境工程株式会社 | Sand lifter |
-
2012
- 2012-10-16 JP JP2012228940A patent/JP2014079696A/en active Pending
-
2013
- 2013-10-12 CN CN201310477010.XA patent/CN103721448A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174246Y (en) * | 1993-06-29 | 1994-08-17 | 广东省佛山市自来水公司 | Siphon sludge machine |
| CN2368839Y (en) * | 1998-05-27 | 2000-03-15 | 中国市政工程西南设计研究院 | Rotary aeration sewage treating apparatus |
| JP2003154208A (en) * | 2001-11-20 | 2003-05-27 | Maezawa Ind Inc | Sedimentary sand separation and storage hopper apparatus |
| CN201625443U (en) * | 2009-12-17 | 2010-11-10 | 江苏振宇环保科技有限公司 | Sediment air-lifting device |
| CN202342959U (en) * | 2011-10-12 | 2012-07-25 | 彭悦 | Device for forcedly flushing mud discharge pipes and mud collection hoppers with power |
| CN202387264U (en) * | 2011-12-06 | 2012-08-22 | 住友重机械环境工程株式会社 | Sand lifter |
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| Publication number | Publication date |
|---|---|
| JP2014079696A (en) | 2014-05-08 |
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Application publication date: 20140416 |