CN107512836A - A kind of pre- releasing type bed mud sulfide removal device of plant - Google Patents
A kind of pre- releasing type bed mud sulfide removal device of plant Download PDFInfo
- Publication number
- CN107512836A CN107512836A CN201710775104.3A CN201710775104A CN107512836A CN 107512836 A CN107512836 A CN 107512836A CN 201710775104 A CN201710775104 A CN 201710775104A CN 107512836 A CN107512836 A CN 107512836A
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- cylinder body
- hole
- quick lime
- piston
- flat board
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
Abstract
The invention discloses a kind of pre- releasing type bed mud sulfide removal device of plant, the sulfide in a kind of Sediments that can effectively handle marine site cultivation place is aimed to provide, reduces aquaculture to the pre- releasing type bed mud sulfide removal device of plant influenceed caused by bottom soil environment.It includes base；Quick lime memory, the quick lime that quick lime memory is included above base store casing, the buoyant mass being arranged on quick lime storage box outside, the lower sealing flat board between quick lime storage casing and base, some lower material through hole being arranged in quick lime storage tank floor and are arranged on lower sealing flat board and descend material through hole to block post correspondingly with lower material through hole；For connecting the triggering unlocking type retaining mechanism of quick lime storage casing and base；And for controlling the floating trigger mechanism of triggering unlocking type retaining mechanism unblock.
Description
Technical field
The present invention relates to a kind of bed mud sulfide removal device, and in particular at a kind of pre- releasing type bed mud sulfide of plant
Manage device.
Background technology
Seining cultivation is one of major measure of aquatic products high-density breeding, with the development of the social economy, coastal purse seine
Cultivation scale constantly expands, and ecological environment problem attracts attention.This breeding way of seining cultivation is inevitably brought a lot
Pollution, such as residual bait, fish excreta.Nutrients contained by these wastes greatly deposits to seabed, to bottom soil
Influence caused by environment, according to statistics, the sulfide content in the Sediments of some bay steck culture zones compares normal region
It is high 2-3 times；Thus how to cultivate field marine bed mud sulfide handle, improve bottom soil environment, for protection sea
The breeding production of domain environment and seining cultivation on-site is all very important.
The content of the invention
The invention aims to provide the vulcanization in a kind of Sediments that can effectively handle marine site cultivation place
Thing, reduce aquaculture to the pre- releasing type bed mud sulfide removal device of plant influenceed caused by bottom soil environment.
The technical scheme is that：
A kind of pre- releasing type bed mud sulfide removal device of plant, including：Base, the upper surface middle part of base are provided with the first storage line
Groove, the first storage line groove is interior to be provided with the first connecting rope；Quick lime memory, quick lime memory include the life stone above base
Ash stores casing, the buoyant mass being arranged on quick lime storage box outside, stored positioned at quick lime between casing and base
Lower sealing flat board, it is some be arranged on quick lime storage tank floor on lower material through hole and be arranged on lower sealing flat board and with
Lower material through hole descends material through hole to block post correspondingly, and the lower material through hole closure post is stretched into corresponding lower material through hole and blocked
Corresponding lower material through hole, the outer top surface middle part of the quick lime storage casing are provided with feed-throughs, and quick lime stores the outer of casing
Top surface, which is provided with, to be used to seal the upper sealing flat board for hiding feed-throughs, and one end of first connecting rope is connected with base, and first
The other end of connecting rope is connected with sealing flat board；Triggering unlocking type for connecting quick lime storage casing and base locks machine
Structure；And for controlling the floating trigger mechanism of triggering unlocking type retaining mechanism unblock.
Triggering unlocking type retaining mechanism includes being arranged on the spacing hole on chassis outer side face, the horizontal cylinder coaxial with spacing hole
Body, the horizontal cylinder body of connection and quick lime storage casing connector, be arranged in horizontal cylinder body it is first annular spacing on side
Block, the latching ram being slidably arranged in horizontal cylinder body, the piston rod being connected with latching ram, it is arranged on and is connected horizontal cylinder body
First interface on lateral surface, the subsidiary cylinder coaxial with horizontal cylinder body and the auxiliary piston being slidably arranged in subsidiary cylinder, the water
The internal diameter of flat cylinder body is more than the internal diameter of auxiliary piston, the intracavity inter-connection of one end of subsidiary cylinder and horizontal cylinder body, subsidiary cylinder it is another
End opening, the piston rod are located at the same side of latching ram with spacing hole, and piston rod is located at the phase of latching ram with subsidiary cylinder
To both sides, first interface, first annular limited block and piston rod are located at the same side of latching ram, first interface with it is first annular
Limited block is located at the opposite sides of latching ram, and the end of piston rod through horizontal cylinder body and is located at the outside of horizontal cylinder body, when
When latching ram is against on first annular limited block：The end of piston rod is stretched into spacing hole；The floating trigger mechanism includes
The connection of triggering connecting rope, the vertical guide pin bushing being arranged in above sealing flat board, the vertical guide pin bushing of connection and upper sealing flat board
Part, the floating plate above vertical guide pin bushing, be arranged on floating plate and with vertical guide pin bushing coordinate vertical guide rod, be located at
Vertical cylinder body, the vertical cylinder body of connection between upper sealing flat board and floating plate are set with the upper connector for sealing flat board, slip
Upper piston in vertical cylinder body with lower piston, be connected the piston rod of upper piston and lower piston, be arranged on the inside of vertical cylinder body
Upper piston limited block on face and above the upper piston, it is arranged on reseting pressuring spring in vertical cylinder body and above upper piston
And the second interface on vertical cylinder body lateral surface is arranged on, the upper end of the vertical cylinder body is provided with upper through hole, under vertical cylinder body
End is provided with lower through-hole, and the lower end for triggering connecting rope is connected with upper piston, triggers the upper end of connecting rope through upper through hole and with floating
Dynamic flat board is connected；The first interface is connected by connecting tube with second interface.
The substrate that the pre- releasing type bed mud sulfide removal device of plant of this programme can effectively handle marine site cultivation place sinks
Sulfide in product thing, so as to reduce aquaculture to influence caused by bottom soil environment, improve the ocean bottom for cultivating place
Matter environment.
Preferably, when upper piston is against on upper piston limited block：Second interface is between upper piston and lower piston；
When lower piston is against on the lower surface of vertical cylinder body：Second interface is located at the top of upper piston.
Preferably, the outer top edge of quick lime storage casing is provided with the sheath up extended, the upper sealing flat board
In sheath, floating plate also is located in sheath.
Preferably, upper sealing flat board is connected by bolt with quick lime storage box body phase.
Preferably, upper sealing flat board is provided with the feed-throughs plug for being used for blocking feed-throughs.
Preferably, lower material through hole closure post is vertically arranged, lower material through hole closure post is provided with sealing ring.
Preferably, the upper surface middle part of base is additionally provided with the second storage line groove, the second connecting rope is provided with the second storage line groove,
The lower sealing flat board is provided with cable-through hole, and one end of second connecting rope is connected with base, the second connecting rope it is another
Hold through the cable-through hole and be connected with the bottom surface of quick lime storage casing.
The beneficial effects of the invention are as follows：The sulfide in the Sediments of marine site cultivation place can be effectively handled, so as to
Reduce aquaculture to influence caused by bottom soil environment, improve the bottom soil environment for cultivating place.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the pre- releasing type bed mud sulfide removal device of plant of the present invention.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 is the partial enlarged drawing at B in Fig. 1.
In figure：
Base 1, the first storage line groove 1.1, the first connecting rope 1.2, the second storage line groove 1.3, the second connecting rope 1.4；
Quick lime memory 2, quick lime storage casing 2.1, lower sealing flat board 2.2, lower material through hole block post 2.3, feed-throughs
Plug 2.4, buoyant mass 2.5, upper sealing flat board 2.6, sheath 2.7；
Triggering unlocking type retaining mechanism 3, horizontal cylinder body 3.1, latching ram 3.2, first annular limited block 3.3, piston rod 3.4,
First interface 3.5, spacing hole 3.6, auxiliary piston 3.7, subsidiary cylinder 3.8, pull bar 3.9；
Floating trigger mechanism 4, floating plate 4.1, vertical guide pin bushing 4.2, vertical guide rod 4.3, vertical cylinder body 4.4, upper piston is spacing
Block 4.5, upper piston 4.6, second interface 4.7, lower piston 4.8, lower through-hole 4.9, reseting pressuring spring 4.10, upper through hole 4.11, triggering
Connecting rope 4.12.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of pre- releasing type bed mud sulfide removal device of plant, including：Base 1, quick lime memory 2, touch
Send out unlocking type retaining mechanism 3 and floating trigger mechanism 4.
The upper surface middle part of base is provided with the first storage line groove 1.1 and the second storage line groove 1.3.First is provided with first storage line groove
Connecting rope 1.2, the second storage line groove is interior to be provided with the second connecting rope 1.4.
The quick lime that quick lime memory is included above base stores casing 2.1, is arranged on quick lime storage casing
Buoyant mass 2.5 on lateral surface, store positioned at quick lime lower sealing flat board 2.2 between casing and base, some be arranged on life
Lime stores the lower material through hole in tank floor and is arranged on lower sealing flat board and leads to the lower one-to-one blanking of material through hole
Hole blocks post 2.3.Lower material through hole closure post is vertically arranged, and lower material through hole closure post is provided with sealing ring.Lower material through hole blocks post
Stretch into corresponding lower material through hole and lower material through hole, the sealing ring that lower material through hole is blocked on post seal in lower material through hole corresponding to closure
It is stifled to form sealing structure between post and lower material through hole.
The outer top edge of quick lime storage casing is provided with the sheath 2.7 up extended.Quick lime stores the outer top of casing
Middle face is provided with feed-throughs.The outer top surface of quick lime storage casing, which is provided with, to be used to seal the upper sealing flat board for hiding feed-throughs
2.6.Upper sealing flat board is located in sheath.Upper sealing flat board is connected by bolt with quick lime storage box body phase.Upper sealing flat board
It is provided with the feed-throughs plug 2.4 for being used for blocking feed-throughs.
One end of first connecting rope is connected with base, and the other end of the first connecting rope is connected with sealing flat board.Lower envelope
Mouth flat board is provided with cable-through hole.One end of second connecting rope is connected with base, and the other end of the second connecting rope passes through the mistake
String holes is simultaneously connected with the bottom surface of quick lime storage casing.
As shown in Figure 1 and Figure 2, unlocking type retaining mechanism is triggered to be used to connect quick lime storage casing and base.The present embodiment
Triggering unlocking type retaining mechanism be two, two triggering unlocking type retaining mechanisms are distributed in the opposite sides of base.
Triggering unlocking type retaining mechanism includes being arranged on the spacing hole 3.6 on chassis outer side face, the water coaxial with spacing hole
Flat cylinder body 3.1, the horizontal cylinder body of connection store connector, the first ring being arranged in horizontal cylinder body on side of casing with quick lime
Shape limited block 3.3, the latching ram 3.2 being slidably arranged in horizontal cylinder body, the piston rod 3.4 being connected with latching ram, set
Put the first interface 3.5 on connection horizontal cylinder outside, the subsidiary cylinder 3.8 coaxial with horizontal cylinder body and be slidably arranged in pair
Auxiliary piston 3.7 in cylinder body.The internal diameter of horizontal cylinder body is more than the internal diameter of auxiliary piston.One end of subsidiary cylinder and the inner chamber of horizontal cylinder body
It is connected, another end opening of subsidiary cylinder.Auxiliary piston is provided with the pull bar 3.9 coaxial with subsidiary cylinder, and the end of pull bar is positioned at pair
The outside of cylinder body.
Piston rod is located at the same side of latching ram with spacing hole.Piston rod is coaxial with spacing hole.Piston rod and subsidiary cylinder
Positioned at the opposite sides of latching ram.Pull bar is located at the opposite sides of auxiliary piston with latching ram.First interface, first annular limit
Position block and piston rod are located at the same side of latching ram.First interface is located at relative the two of latching ram with first annular limited block
Side.The end of piston rod is through horizontal cylinder body and positioned at the outside of horizontal cylinder body.When latching ram is against first annular limited block
When upper：The end of piston rod is stretched into spacing hole.
As shown in Figure 1, Figure 3, floating trigger mechanism is used to control the retaining mechanism unblock of triggering unlocking type.
Floating trigger mechanism include triggering connecting rope 4.12, be arranged in seal flat board above vertical guide pin bushing 4.2,
Connect vertical guide pin bushing and the upper connector for sealing flat board, the floating plate 4.1 above vertical guide pin bushing, be arranged on floating plate
The upper and vertical guide rod 4.3 with the cooperation of vertical guide pin bushing, the vertical cylinder body 4.4 between upper sealing flat board and floating plate, connect
Connect connector, the upper piston 4.6 being slidably arranged in vertical cylinder body and the lower piston 4.8 of vertical cylinder body and upper sealing flat board, connect
The upper piston for connecting the piston rod of piston and lower piston, being arranged on vertical cylinder body medial surface and be located above upper piston is spacing
Block 4.5, it is arranged on the reseting pressuring spring 4.10 in vertical cylinder body and above upper piston and is arranged on vertical cylinder body lateral surface
Second interface 4.7.
Floating plate is located in sheath.The buoyancy of floating plate is more than gravity, and in the present embodiment, the buoyancy of floating plate omits
More than gravity, the buoyancy of floating plate and the difference of floating plate gravity are 0.5-3 kilograms.
The upper end of vertical cylinder body is provided with upper through hole 4.11.The lower end of vertical cylinder body is provided with lower through-hole 4.9.Trigger connecting rope
Lower end is connected with upper piston.The upper end of triggering connecting rope is connected through upper through hole and with floating plate.First interface passes through
Connecting tube is connected with second interface.
When upper piston is against on upper piston limited block：Second interface is between upper piston and lower piston.Work as lower piston
When being against on the lower surface of vertical cylinder body：Second interface is located at the top of upper piston.
The pre- releasing type bed mud sulfide removal device of plant of the present embodiment it is specifically used as follows：
First, quick lime is loaded in quick lime memory by feed-throughs；Then, blocked up by the feed-throughs of upper sealing flat board
Head closure feed-throughs, and upper sealing flat board is fixed on the top surface of quick lime memory by bolt.
Connecting tube is separated with first interface, then, pushed away auxiliary piston inside by pull bar, is lived from latching ram is driven
Stopper rod stretches out, until latching ram is against on first annular limited block, now, corresponding spacing hole is stretched into the end of piston rod
It is interior, so as to which quick lime storage casing is connected on base；Followed by connecting tube is connected with first interface.
Second, the pre- releasing type bed mud sulfide removal device of plant is transferred into seabed in advance, for example, in certain batch of horizontal product
（Large yellow croaker）Transferred in advance before cultivation or by the pre- releasing type bed mud sulfide removal device of plant before a certain cultivation stages
To seabed.After plant's pre- releasing type bed mud sulfide removal device decentralization is marine, floating plate in buoyancy float downward, and
Upper piston and lower piston is driven to move up by triggering connecting rope, untill upper piston is against on upper piston limited block.Such as Fig. 1 institutes
Show.After the pre- releasing type bed mud sulfide removal device of plant transfers to seabed, the pre- releasing type bed mud sulfide removal of plant
Device is supported in seabed by base.
In the breeding process of plant afterwards, a part of residual bait, fish excreta and other deposits will be gradual
Deposit on floating plate, when the deposit on floating plate reaches constant weight, floating plate will slowly sink；Floating
In flat board sinking watching, upper piston and lower piston will move down in the presence of reseting pressuring spring, until lower piston is against vertical cylinder body
Lower surface on untill, now, first interface is located at the top of upper piston；So that the inner chamber of horizontal cylinder body connects by second
Mouth, connecting tube and first interface connect with extraneous seawater.When the inner chamber of horizontal cylinder body is connect by second interface, connecting tube and first
After mouth connects with extraneous seawater, because the internal diameter of horizontal cylinder body is more than the internal diameter of auxiliary piston, in the presence of hydraulic pressure, latching ram
Piston rod will be driven toward moving in horizontal cylinder body, so that piston rod separates with spacing hole.After piston rod separates with spacing hole,
Quick lime stores casing by the buoyancy float downward of buoyant mass.
In quick lime stores casing floating-upward process, lower sealing flat board will be driven together to float, until the first connecting rope stretches tight
Tightly；After the first connecting rope is tightened, quick lime storage casing continues to float, and lower sealing flat board and quick lime storage casing point
From.After lower sealing flat board separates with quick lime storage casing, the lower material through hole of quick lime storage tank floor is opened, so as to
The quick lime in quick lime storage box body is sowed by lower material through hole to seabed, pass through quick lime, seawater and Sediments
In sulfide reaction, effectively handle marine site cultivation place Sediments in sulfide, so as to reduce aquaculture to
Influence caused by bottom soil environment, improve the bottom soil environment of cultivation place.
On the other hand, so can be with due to the pre- releasing type bed mud sulfide removal device of plant is transferred into seabed in advance
In deposits such as residual bait, fish excretas in sea-bottom deposit to certain level when, it is automatic to trigger the pre- releasing type bed mud sulphur of plant
Compound processor, quick lime is sowed to seabed by plant's pre- releasing type bed mud sulfide removal device, so as to effectively handle
Sulfide in the Sediments of marine site cultivation place, small aquaculture is to influence caused by bottom soil environment, without people
It is not only easy to operate that work determines when to launch the quick lime for being used to handle sulfide, and handles timely.
After quick lime storage casing floats to sea, quick lime storage casing is connected by the second connecting rope with base,
Quick lime storage casing can be so avoided to be walked with wave floating, at the same time it can also reclaim base by the second connecting rope.
Claims (8)
1. a kind of pre- releasing type bed mud sulfide removal device of plant, it is characterized in that, including：
Base, the upper surface middle part of base are provided with the first storage line groove, the first connecting rope are provided with the first storage line groove；
Quick lime memory, quick lime memory, which includes quick lime storage casing above the base, is arranged on quick lime deposits
Buoyant mass on storage tank outside, store positioned at quick lime lower sealing flat board between casing and base, some be arranged on life
Lime stores the lower material through hole in tank floor and is arranged on lower sealing flat board and leads to the lower one-to-one blanking of material through hole
Hole closure post, the lower material through hole closure post stretch into lower material through hole, the raw stone in corresponding lower material through hole and corresponding to closure
The outer top surface middle part that ash stores casing is provided with feed-throughs, and the outer top surface of quick lime storage casing leads to provided with envelope screening charging is used for
The upper sealing flat board in hole, one end of first connecting rope are connected with base, the other end and the sealing flat board of the first connecting rope
It is connected；
For connecting the triggering unlocking type retaining mechanism of quick lime storage casing and base；And
For controlling the floating trigger mechanism of triggering unlocking type retaining mechanism unblock.
2. the pre- releasing type bed mud sulfide removal device of a kind of plant according to claim 1, it is characterized in that, the triggering
Spacing hole that unlocking type retaining mechanism includes being arranged on chassis outer side face, the horizontal cylinder body coaxial with spacing hole, it is connected level
Cylinder body is set with the connector of quick lime storage casing, the first annular limited block being arranged in horizontal cylinder body on side, slip
Latching ram in horizontal cylinder body, the piston rod being connected with latching ram, it is arranged on and is connected on horizontal cylinder outside
First interface, the subsidiary cylinder coaxial with horizontal cylinder body and the auxiliary piston being slidably arranged in subsidiary cylinder, the horizontal cylinder body it is interior
Footpath is more than the internal diameter of auxiliary piston, the intracavity inter-connection of one end of subsidiary cylinder and horizontal cylinder body, another end opening of subsidiary cylinder,
The piston rod is located at the same side of latching ram with spacing hole, and piston rod is located at relative the two of latching ram with subsidiary cylinder
Side, first interface, first annular limited block and piston rod are located at the same side of latching ram, first interface with it is first annular spacing
Block is located at the opposite sides of latching ram, and locking is worked as in the end of piston rod through horizontal cylinder body and positioned at the outside of horizontal cylinder body
When piston is against on first annular limited block：The end of piston rod is stretched into spacing hole；
The floating trigger mechanism includes triggering connecting rope, the vertical guide pin bushing being arranged in above sealing flat board, connects and erect
The connector of straight guide pin bushing and upper sealing flat board, the floating plate above vertical guide pin bushing, it is arranged on floating plate and with erecting
Vertical guide rod that straight guide pin bushing coordinates, the vertical cylinder body between upper sealing flat board and floating plate, the vertical cylinder body of connection with it is upper
The connector for sealing flat board, the upper piston that is slidably arranged in vertical cylinder body with lower piston, be connected the work of upper piston and lower piston
Plug connecting rod, the upper piston limited block for being arranged on vertical cylinder body medial surface and being located above upper piston, it is arranged in vertical cylinder body
And reseting pressuring spring above the upper piston and the second interface that is arranged on vertical cylinder body lateral surface, the vertical cylinder body it is upper
End is provided with upper through hole, and the lower end of vertical cylinder body is provided with lower through-hole, and the lower end of contact fuze rope is connected with upper piston, contact fuze
The upper end of rope is connected through upper through hole and with floating plate；
The first interface is connected by connecting tube with second interface.
3. the pre- releasing type bed mud sulfide removal device of a kind of plant according to claim 2, it is characterized in that, work as upper piston
When being against on upper piston limited block：Second interface is between upper piston and lower piston；When lower piston is against under vertical cylinder body
When on end face：Second interface is located at the top of upper piston.
4. the pre- releasing type bed mud sulfide removal device of a kind of plant according to claim 2, it is characterized in that, quick lime is deposited
The outer top edge of storage tank body is provided with the sheath up extended, and the upper sealing flat board is located in sheath, and floating plate also is located at
In sheath.
5. the pre- releasing type bed mud sulfide removal device of a kind of plant according to claim 1 or 2 or 3 or 4, its feature
It is that the upper sealing flat board is connected by bolt with quick lime storage box body phase.
6. the pre- releasing type bed mud sulfide removal device of a kind of plant according to claim 1 or 2 or 3 or 4, its feature
It is that the upper sealing flat board is provided with the feed-throughs plug for being used for blocking feed-throughs.
7. the pre- releasing type bed mud sulfide removal device of a kind of plant according to claim 1 or 2 or 3 or 4, its feature
It is that the lower material through hole closure post is vertically arranged, and lower material through hole closure post is provided with sealing ring.
8. the pre- releasing type bed mud sulfide removal device of a kind of plant according to claim 1 or 2 or 3 or 4, its feature
It is that the upper surface middle part of the base is additionally provided with the second storage line groove, and the second connecting rope, the lower sealing are provided with the second storage line groove
Flat board is provided with cable-through hole, and one end of second connecting rope is connected with base, and the other end of the second connecting rope is described in
Cable-through hole is simultaneously connected with the bottom surface of quick lime storage casing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710775104.3A CN107512836B (en) | 2017-08-31 | 2017-08-31 | A kind of pre- releasing type bed mud sulfide removal device of farm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710775104.3A CN107512836B (en) | 2017-08-31 | 2017-08-31 | A kind of pre- releasing type bed mud sulfide removal device of farm |
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| Publication Number | Publication Date |
|---|---|
| CN107512836A true CN107512836A (en) | 2017-12-26 |
| CN107512836B CN107512836B (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710775104.3A Active CN107512836B (en) | 2017-08-31 | 2017-08-31 | A kind of pre- releasing type bed mud sulfide removal device of farm |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204359562U (en) * | 2014-12-30 | 2015-05-27 | 浙江省海洋水产研究所 | A kind of seabed water sample devices |
| CN104880336A (en) * | 2014-12-30 | 2015-09-02 | 浙江省海洋水产研究所 | Bottom-water layered water-gathering device |
-
2017
- 2017-08-31 CN CN201710775104.3A patent/CN107512836B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204359562U (en) * | 2014-12-30 | 2015-05-27 | 浙江省海洋水产研究所 | A kind of seabed water sample devices |
| CN104880336A (en) * | 2014-12-30 | 2015-09-02 | 浙江省海洋水产研究所 | Bottom-water layered water-gathering device |
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| Publication number | Publication date |
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| CN107512836B (en) | 2019-12-03 |
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