CN106908585A - Sloping field water and soil detection device - Google Patents

Sloping field water and soil detection device Download PDF

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Publication number
CN106908585A
CN106908585A CN201710223058.6A CN201710223058A CN106908585A CN 106908585 A CN106908585 A CN 106908585A CN 201710223058 A CN201710223058 A CN 201710223058A CN 106908585 A CN106908585 A CN 106908585A
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China
Prior art keywords
mud
header tank
water
header
box
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Pending
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CN201710223058.6A
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Chinese (zh)
Inventor
李婷婷
何铁光
胡钧铭
董文斌
韦彩会
蒙炎成
唐红琴
俞月凤
李忠义
王瑾
张野
曾向阳
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Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
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Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
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Priority to CN201710223058.6A priority Critical patent/CN106908585A/en
Publication of CN106908585A publication Critical patent/CN106908585A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

The invention discloses a sloping field water and soil detection device, which comprises a collecting pipe, a header tank, a water collecting tank and a mud collecting tank, wherein the collecting pipe is arranged on the header tank; the collecting pipe is obliquely arranged, and the upper side of the collecting pipe is opened; a header is arranged below a port at the lower end of the collecting pipe and is communicated with the header through the port; a water collecting tank is arranged below the header tank, the bottom of the header tank is communicated with the water collecting tank through a water collecting pipe, and a flowmeter is arranged on the water collecting pipe; the side wall of the header tank is provided with a sludge collecting port which enables the interior of the header tank to be communicated with the outside, and the sludge collecting tank is positioned on the outer side of the header tank and is communicated with the header tank through the sludge collecting port; a mud separating net is erected in the header, the mud separating net is transversely arranged and is positioned above the mud collecting port, a mud shielding plate is arranged at the bottom of the mud separating net, the mud shielding plate is attached to the side wall of the header and covers the mud collecting port; the mud separating net is rotatably connected with the header box through a rotating shaft on the mud separating net, the rotating shaft is connected with a rotating motor located on the outer side of the header box, and the mud separating net is driven by the rotating motor to overturn up and down. The invention can effectively reduce the cost, save labor and labor, can carry out dynamic detection and has better practicability.

Description

A kind of hillside fields water and soil detection means
Technical field
The present invention relates to water and soil testing equipment technical field, more particularly to a kind of hillside fields water and soil detection means.
Background technology
Runoff of sloping field soil loss monitoring is an important ring of Soil and Water Conservation and Desertification Combating, can be with by Monitoring Data Technical staff and administrative department is understood the soil erosion situation in certain area in time, and make corresponding behave.However, mesh Most of preceding water and soil checkout facility is hardening of cement, and high cost takes greatly, and land destruction face is big, additionally, cannot also be effective There is certain limitation in dynamic monitoring, practicality.
The content of the invention
In view of the above, it is necessary to provide a kind of hillside fields water and soil detection means, the hillside fields water and soil detection means can be effective Reduces cost, laborsaving saving of labor, and dynamic detection can be carried out, practicality is preferable.
To reach above-mentioned purpose, the technical solution adopted in the present invention is:A kind of hillside fields water and soil detection means, including collect Pipe, header tank, header tank and collection mud box;The collecting pipe slant setting, its side opening upward;Described relatively low one end of collecting pipe Header tank is placed in port lower section, and connects the header tank by the end;Header tank, and its bottom are placed by collection in the header tank lower section Water pipe connects the header tank, and flowmeter is equiped with the collector pipe;Being offered on the wall of the header tank side makes header tank inside outer The Ji Nikou of connection, the collection mud box is located at header tank outside, and connects header tank by the Ji Nikou;
The header tank internal frame is provided with every mud net, described every mud net horizontally set, and positioned at the collection mud mouthful top, it is described every Mud sieve bottom is provided with mud-guard, the mud-guard laminating header tank side wall, and covers the Ji Nikou;It is described to cross it every mud Netcom On rotating shaft and the header tank rotate and be connected, rotary electric machine of the rotating shaft connection on the outside of header tank, it is described every mud net turn Spun upside down under the driving of dynamic motor, and when downwardly turning over, the mud-guard opens Ji Nikou, the header tank connected set mud Case;
Also include the controller being connected with the flowmeter and rotary electric machine respectively, the flowmeter is used to detect inflow collection The flow of the water of water tank, and generate flow signal and send out in the controller, the controller controls to rotate according to the flow signal The operation of motor, to promote to be spun upside down every mud net by controlling the rotary electric machine.
Further, the top that header tank is located at every mud net, the rotating shaft is located at every the centre of mud net.
Further, described that the fence for upwardly extending is provided with every mud net week edge, the fence is integrally formed, and described Breach is formed directly over mud-guard.
Further, header tank inner side is provided with projection, it is described it is raised be located at collection mud mouthful lower section, its upper side with it is described Mud-guard bottom surface contacts, and globoidal structure formed by the raised upper side with the mud-guard with its bottom when mud net is rotated Walking formed plane of rotation in face is consistent.
Further, described raised one end away from Ji Nikou is provided with clamp part, and the clamp part is transported positioned at mud-guard The end in dynamic direction, and with the convex upper side face into angle.
Further, the top of the collection mud box connects with header tank, and the collection mud box internal frame is provided with screen cloth, and the screen cloth is horizontal To setting, and positioned at collection mud box inner bottom surface top;The collection mud box bottom offers delivery port, and the delivery port passes through Water pipe connects header tank;The outlet pipe slant setting, its higher end connects the collection mud box;It is equiped with the outlet pipe logical Only valve, the logical only valve is check valve, and its circulating direction is to flow to header tank from collection mud box.
Further, poidometer is provided with the screen cloth, the poidometer connects controller.
Further, it is two that the header tank sets quantity, and each header tank is connected by collector pipe and received Collector, the collector pipe is equiped with the flowmeter.
Further, the hillside fields water and soil detection means also includes water storage box and water level sensor;The water storage box is located at Header tank side, and its underpart connects with the header tank bottom;The water level sensor is arranged on water storage box, its induction part Position is located in the water storage box, is sent out in the control being attached thereto for sensing the water level in the water storage box, and generating water level signal Device processed.
Further, the hillside fields water and soil detection means also includes the alarm being connected with the controller, the control Device sends alarm command after receiving water level signal to alarm, and the alarm sends alarm after receiving alarm command.
After adopting the above technical scheme, the present invention compared with prior art, has the advantages that:
1. the present invention can avoid hardening of cement treatment, and its cost is relatively low, and is easily installed and uses, and Detection results are good, And real-time detection can be carried out, with certain practicality.
2. the present invention monitors the water and soil situation in hillside fields by way of rainwater and soil are separated, and which can improve institute The testing result of hillside fields water and soil detection means is stated, and the erosion of washing away because soil mixes with rainwater to flowmeter can be avoided to make With, and soil plug situation is reduced, improve the service life of the hillside fields water and soil detection means and the continuity of detection.
3. the present invention realizes that rainwater is separated with soil by header tank every mud net, and set controller, flow Meter and rotary electric machine, then cause that the soil after separating smoothly is transferred in collection mud box, and rainwater is then flowed into header tank, so as to realize Rainwater and soil is separated and detection;Wherein, the transfer of soil is to realize in the following way:Flowmeter on collector pipe When the water for detecting is below or equal to the water minimum that controller pre-sets, controller sends rotation to rotary electric machine Signal, rotary electric machine promotes to be overturn every mud net, wherein, lateral lower operating where mud-guard, the Ji Nikou on header tank is gradually opened, Header tank is connected with collection mud box, is shifted to collection mud box under rain drop erosion effect every the online soil of mud, after certain hour is shifted, Controller drives rotary electric machine antiport until being resetted every mud net again, carries out the collection of next round and separates.
Brief description of the drawings
Fig. 1 is a kind of structure schematic diagram of hillside fields water and soil detection means of the invention.
Fig. 2 is the partial structural diagram of header tank and collection mud box in Fig. 1.
Main element symbol description
In figure, collecting pipe 1, header tank 2, collection mud mouthful 21, raised 22, clamp part 23, convex column 24, header tank 3, collector pipe 4, stream Gauge 5, collection mud box 6, screen cloth 61, delivery port 62, outlet pipe 63, logical only valve 64, every mud net 7, mud-guard 71, rotating shaft 72, fence 73rd, water storage box 8, water level sensor 9.
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
Fig. 1 to Fig. 2 is referred to, in a kind of better embodiment of the invention, a kind of hillside fields water and soil detection means, including One collecting pipe 1, a header tank 2, header tank 3, a collection mud box 6 and a controller.The slant setting of collecting pipe 1, its side opening upward; Header tank 2 is placed in the port lower section of the relatively low one end of collecting pipe 1, and connects header tank 2 by the end;Header tank 3 is placed in the lower section of header tank 2, And its bottom connects header tank 3 by collector pipe 4, and flowmeter 5 is equiped with collector pipe 4;Being offered on the side wall of header tank 2 makes header tank The collection mud mouthful 21 of the outer connection in 2 inside, collection mud box 6 is located at the outside of header tank 2, and connects header tank 2 by collecting mud mouthful 21.The internal frame of header tank 2 One is provided with every mud net 7, every the horizontally set of mud net 7, and positioned at the top of collection mud mouthful 21, the bottom of mud net 7 mud-guard 71 is provided with, The laminating side wall of header tank 2 of mud-guard 71, and cover collection mud mouthful 21;Rotated with header tank 2 by rotating shaft 72 thereon every mud net 7 and be connected, The connection of rotating shaft 72 spins upside down every mud net 7 positioned at a rotary electric machine in the outside of header tank 2 under the driving of rotary electric machine, and to During lower upset, mud-guard 71 opens collection mud mouthful 21, the connection collection mud box 6 of header tank 2.Controller difference connection flow gauge 5 and rotation electricity Machine, wherein, flowmeter 5 is sent out in controller, controller for detecting the flow of the water for flowing into header tank 3, and generating flow signal The operation of rotary electric machine is controlled according to the flow signal, to promote to be spun upside down every mud net 7 by controlling rotary electric machine.
It is of the invention to be used to detect Topographic factor situation, wherein, collecting pipe 1 is used to collect what is flowed down along hillside fields during the rainy day Rainwater and the soil by rain drop erosion, and collected rainwater and soil are imported in header tank 2, header tank 2 in it again by setting That puts separates rainwater and soil every mud net 7, it is to avoid soil brings blocking because entering header tank 3 to the flowmeter 5 on collector pipe 4 Or wash away, the service life of flowmeter 5 is improved, while improving the continuity of water and soil detection process;Rainwater after separation is dropped down onto The bottom of header tank 2, and entered in header tank 3 by collector pipe 4, and soil is then rested on every on mud net 7, when every the mud on mud net 7 When mound product is excessive, rainwater cannot fall into the bottom of header tank 2, and now, the water of the bottom of header tank 2 is fewer and feweri, the flow on collector pipe 4 The waters that detect of meter 5 are accordingly reduced, when the water minimum for decreasing below or pre-setting equal to controller, control Device sends turn signal to rotary electric machine, and rotary electric machine promotes to be overturn every mud net 7, wherein, lateral lower operating where mud-guard 71, Collection mud mouthful 21 on header tank 2 is gradually opened, and header tank 2 is connected with collection mud box 6, every the soil on mud net 7 under rain drop erosion effect Shifted to collection mud box 6, after certain hour is shifted, controller drives rotary electric machine antiport until being resetted every mud net 7 again, from And realize soil and separated with rainwater and separated and store.
Further, in order to preferably separate in rainwater and soil, header tank 2 every mud net 7 positioned at the top of header tank 2, and every The periphery of mud net 7 is provided with the fence 73 for upwardly extending, and the fence 73 is integrally formed, and is formed directly over mud-guard 71 scarce Mouthful, the breach faces collection mud mouthful 21 when Ji Nikou 21 is opened, and is limited every the soil on mud net 7 with by fence 73, and prevent Only soil of the soil transfer process every the edge of mud net 7 falls to the bottom of header tank 2, and the setting of breach then defines the stream of soil Dynamic direction.Preferably, it is located at every the centre of mud net 7 every the rotating shaft 72 on mud net 7.
And in order to prevent soil from falling to the bottom of header tank 2 because there is spacing between mud net 7 and collection mud mouthful 21, the present invention A projection 22 is provided with the inside of case, the projection 22 is located at the lower section of collection mud mouthful 21, its upper side is contacted with the bottom surface of mud-guard 71, with By the use of raised 22 as the bridge between mud net 7 and collection mud mouth 21;Preferably, globoidal structure formed by raised 22 upper side It is consistent with plane of rotation formed by its bottom surface walking when mud net 7 is rotated with mud-guard 71, so that every the rotation process of mud net 7, The bottom of mud-guard 71 contacts and forms closed structure with raised 22 all the time, in addition, being additionally favorable for every the reseting procedure of mud net 7, mud-guard 71 soil that will fall off on raised 22 push collection mud mouthful 21 to.Further, the size of mud-guard 71 is more than collection mud mouthful 21 Open up size, raised 22 length is slightly longer than the length of mud-guard 71, and its opposite sides is provided with a convex column 24, convex column 24 are located at the opposite sides of mud-guard 71, for preventing soil from being slid from the both sides.Additionally, raised 22 away from the one end for collecting mud mouthful 21 Be provided with a clamp part 23, clamp part 23 is located at the end of the direction of motion of mud-guard 71, and with raised 22 upper side into angle, with The degree of rotation every mud net 7 is limited by the setting of clamp part 23.
Further, the top of collection mud box of the invention 6 connects with header tank 2, in order to import soil.And in order to separate with The rainwater that soil enters, the internal frame of collection mud box 6 is provided with a screen cloth 61, the horizontally set of screen cloth 61, and on the inner bottom surface of collection mud box 6 Side.The bottom of collection mud box 6 offers delivery port 62, and delivery port 62 connects header tank 2, the rainwater after separation is returned by outlet pipe 63 It is back in header tank 2;Preferably, the slant setting of outlet pipe 63, its higher end connection collection mud box 6;It is equiped with outlet pipe 63 logical Only valve 64, lead to and stop valve 64 for check valve, and its circulating direction is to flow to header tank 2 from collection mud box 6, to prevent the rainwater in header tank 2 from entering In entering collection mud box 6.
In order to be apparent from the weight of soil in collection mud box 6, the present invention is provided with poidometer on screen cloth 61, and this is weighed Meter connection controller.
Further, the hillside fields water and soil detection means also includes water storage box 8, water level sensor 9 and alarm.Water storage box 8 are located at the side of header tank 3, and its underpart is connected with the bottom of header tank 3, and the rainwater in header tank 3 is transferred into water storage box 8 In, improve the measurement capacity of the hillside fields water and soil detection means.Water level sensor 9 is arranged on water storage box 8, its sensing position position In in water storage box 8, sent out in the controller being attached thereto, with real-time for sensing the water level in water storage box 8, and generating water level signal The hillside fields water and soil detection means reservoir capacity situation is detected, and the situation is sent out in controller.Controller receives water level letter After number, alarm command is sent to the alarm being connected with controller, alarm sends alarm after receiving alarm command, with using report The alarm function of alert device causes that the hillside fields water and soil detection means reservoir capacity sends alarm after reaching higher limit to staff Information, is easy to staff to know hillside fields water and soil situation in time, and make corresponding preparation according to situation about being known.It is preferred that Ground, the sensing position of water level sensor 9 is located at the top of water storage box 8.
Additionally, present invention additionally comprises a display, display connection controller can be received by display controller Each information, such as water level information of the flow information of flowmeter 5, the weight information of poidometer and water level sensor 9, in order to Staff clearly knows the every terms of information of water and soil detection process.
In another embodiment of the present invention, it is two that header tank 3 sets quantity, and each header tank 3 is by collection Water pipe 4 connects collecting pipe 1, and collector pipe 4 is equiped with the flowmeter 5 being connected with controller, to shunt the rainwater in header tank 2, and Improve testing result.
Described above is directed to the detailed description of preferably possible embodiments of the invention, but embodiment is not limited to this hair Bright patent claim, the equal change completed under the technical spirit suggested by all present invention or modification change, all should belong to Cover the scope of the claims in the present invention.

Claims (10)

1. a kind of hillside fields water and soil detection means, it is characterised in that:Including collecting pipe, header tank, header tank and collection mud box;The collection Pipe slant setting, its side opening upward;Header tank is placed in the port lower section of described relatively low one end of collecting pipe, and is connected by the end The header tank;Header tank is placed in the header tank lower section, and its bottom connects the header tank by collector pipe, on the collector pipe It is equiped with flowmeter;Being offered on the wall of the header tank side makes the Ji Nikou of the outer connection in header tank inside, and the collection mud box is located at header tank Outside, and header tank is connected by the Ji Nikou;
The header tank internal frame is provided with every mud net, described every mud net horizontally set, and positioned at the collection mud mouthful top, it is described every mud net Bottom is provided with mud-guard, the mud-guard laminating header tank side wall, and covers the Ji Nikou;It is described to be crossed thereon every mud Netcom Rotating shaft is rotated with the header tank and is connected, rotary electric machine of the rotating shaft connection on the outside of header tank, described to rotate electricity every mud net Spun upside down under the driving of machine, and when downwardly turning over, the mud-guard opens Ji Nikou, the header tank connects collection mud box;
Also include the controller being connected with the flowmeter and rotary electric machine respectively, the flowmeter is used to detect inflow header tank Water flow, and generate flow signal and send out in the controller, the controller controls rotary electric machine according to the flow signal Operation, to promote to be spun upside down every mud net by controlling the rotary electric machine.
2. water and soil detection means in hillside fields as claimed in claim 1, it is characterised in that:The top that header tank is located at every mud net, The rotating shaft is located at every the centre of mud net.
3. water and soil detection means in hillside fields as claimed in claim 1, it is characterised in that:Described being provided with every mud net week edge is prolonged upwards The fence stretched, the fence is integrally formed, and forms breach directly over the mud-guard.
4. water and soil detection means in hillside fields as claimed in claim 1, it is characterised in that:The header tank inner side is provided with projection, institute State raised being located at and collect mud mouthful lower section, its upper side is contacted with the mud-guard bottom surface, and arc formed by the raised upper side Face structure is consistent with plane of rotation formed by its bottom surface walking when mud net is rotated with the mud-guard.
5. water and soil detection means in hillside fields as claimed in claim 4, it is characterised in that:Described raised one end away from Ji Nikou sets Be equipped with clamp part, the clamp part is located at the end of the mud-guard direction of motion, and with the convex upper side face into angle.
6. water and soil detection means in hillside fields as claimed in claim 1, it is characterised in that:The top of the collection mud box connects with header tank Logical, the collection mud box internal frame is provided with screen cloth, the screen cloth horizontally set, and positioned at collection mud box inner bottom surface top;The collection Mud box bottom offers delivery port, and the delivery port connects header tank by outlet pipe;The outlet pipe slant setting, it is higher by one The end connection collection mud box;Logical only valve is equiped with the outlet pipe, the logical only valve is check valve, and its circulating direction is from collection Mud box flows to header tank.
7. water and soil detection means in hillside fields as claimed in claim 6, it is characterised in that:Poidometer, institute are provided with the screen cloth State poidometer connection controller.
8. water and soil detection means in hillside fields as claimed in claim 1, it is characterised in that:It is two that the header tank sets quantity, And each header tank connects collecting pipe by collector pipe, the collector pipe is equiped with the flowmeter.
9. water and soil detection means in hillside fields as claimed in claim 1, it is characterised in that:Also include water storage box and water level sensor; The water storage box is located at header tank side, and its underpart connects with the header tank bottom;The water level sensor is arranged on and stores On water tank, its sensing position is located in the water storage box, for sensing the water level in the water storage box, and generates water level signal hair In the controller being attached thereto.
10. water and soil detection means in hillside fields as claimed in claim 9, it is characterised in that:Also include what is be connected with the controller Alarm, the controller sends alarm command after receiving water level signal to alarm, and the alarm receives alarm command After send alarm.
CN201710223058.6A 2017-04-07 2017-04-07 Sloping field water and soil detection device Pending CN106908585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710223058.6A CN106908585A (en) 2017-04-07 2017-04-07 Sloping field water and soil detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710223058.6A CN106908585A (en) 2017-04-07 2017-04-07 Sloping field water and soil detection device

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CN106908585A true CN106908585A (en) 2017-06-30

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Publication number Priority date Publication date Assignee Title
CN203710783U (en) * 2014-03-03 2014-07-16 梁彪 Sludge water filtering device
CN203735421U (en) * 2014-03-28 2014-07-30 巴东县金兴高新技术开发服务有限公司 Pre-treatment system for vegetables and fruits
CN204168813U (en) * 2014-10-09 2015-02-25 广西壮族自治区农业科学院农业资源与环境研究所 For collecting the cultivating groove of runoff water
CN204182201U (en) * 2014-11-07 2015-03-04 詹海燕 Separator in a kind of disposing polluted water in oil filter
CN105169804A (en) * 2015-08-24 2015-12-23 孙立民 Sludge/sewage filtering and separating device
CN205175854U (en) * 2015-12-16 2016-04-20 钟应林 Automatic monitoring device of runoff and silt
CN205193606U (en) * 2015-12-16 2016-04-27 杭州启澄科技有限公司 Effluent water sump control system based on thing networked control
CN205404570U (en) * 2016-02-17 2016-07-27 广西壮族自治区林业科学研究院 Small-sized radial flow field device for monitoring soil and water loss on earth surface
CN105823805A (en) * 2016-05-07 2016-08-03 江西汇水科技有限公司 Runoff sediment concentration measuring equipment system and measuring method thereof
CN205875549U (en) * 2016-08-06 2017-01-11 杭州兴业市政园林工程有限公司 Roof garden's water and soil circulation system
CN106402909A (en) * 2016-10-31 2017-02-15 深圳市凯盛科技工程有限公司 Soot blowing device for convection heat-transfer pipe
CN205988600U (en) * 2016-08-15 2017-03-01 马俊科 A kind of automated sewage solid-liquid separation processing meanss

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203710783U (en) * 2014-03-03 2014-07-16 梁彪 Sludge water filtering device
CN203735421U (en) * 2014-03-28 2014-07-30 巴东县金兴高新技术开发服务有限公司 Pre-treatment system for vegetables and fruits
CN204168813U (en) * 2014-10-09 2015-02-25 广西壮族自治区农业科学院农业资源与环境研究所 For collecting the cultivating groove of runoff water
CN204182201U (en) * 2014-11-07 2015-03-04 詹海燕 Separator in a kind of disposing polluted water in oil filter
CN105169804A (en) * 2015-08-24 2015-12-23 孙立民 Sludge/sewage filtering and separating device
CN205175854U (en) * 2015-12-16 2016-04-20 钟应林 Automatic monitoring device of runoff and silt
CN205193606U (en) * 2015-12-16 2016-04-27 杭州启澄科技有限公司 Effluent water sump control system based on thing networked control
CN205404570U (en) * 2016-02-17 2016-07-27 广西壮族自治区林业科学研究院 Small-sized radial flow field device for monitoring soil and water loss on earth surface
CN105823805A (en) * 2016-05-07 2016-08-03 江西汇水科技有限公司 Runoff sediment concentration measuring equipment system and measuring method thereof
CN205875549U (en) * 2016-08-06 2017-01-11 杭州兴业市政园林工程有限公司 Roof garden's water and soil circulation system
CN205988600U (en) * 2016-08-15 2017-03-01 马俊科 A kind of automated sewage solid-liquid separation processing meanss
CN106402909A (en) * 2016-10-31 2017-02-15 深圳市凯盛科技工程有限公司 Soot blowing device for convection heat-transfer pipe

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Application publication date: 20170630