CN209055362U - A kind of ammonia volatilization acquisition device of waterproof - Google Patents
A kind of ammonia volatilization acquisition device of waterproof Download PDFInfo
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- CN209055362U CN209055362U CN201821477773.9U CN201821477773U CN209055362U CN 209055362 U CN209055362 U CN 209055362U CN 201821477773 U CN201821477773 U CN 201821477773U CN 209055362 U CN209055362 U CN 209055362U
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- sleeve
- collection vessel
- lid
- acquisition device
- ammonia volatilization
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Abstract
The utility model discloses a kind of ammonia volatilization acquisition device of waterproof, the collection vessel for being loaded with phosphoglycerol solution is placed in the fixed ring in sleeve, it is fixed by the supporting block in the upper opening of collection vessel with fixed ring, collection vessel made of Golders fabric has the function of waterproof and breathable, air in soil passes through the opening of sleeve lower end using the wall body and phosphoglycerol solution reaction of collection vessel, it is entered in sleeve by the venthole on lid again, it is entered in environment finally by the air hole in fixed cylinder, to provide good gas-permeable channels, eaves board can carry out rain cover to air hole, the lid in dome-shaped is stamped on collection vessel, once there is a small amount of rainwater to enter sleeve, under the drainage of lid, rainwater flows to the edge of lid, it is flowed into the groove in fixed ring again, finally by the through-hole in groove Sleeve is flowed out, rainwater is effectively prevent to enter in collection vessel.Utility model is for the monitoring to ammonia volatilization.
Description
Technical field
The utility model relates to soil ammonia volatilization monitoring technical field, in particular to the ammonia volatilization of a kind of waterproof acquires dress
It sets.
Background technique
Ammonia is a kind of important atmosphere pollution, and increasing mankind's activity has caused more and more ammonia to enter atmosphere
In, biological earth sphere is then returned to by sedimentation, with currently receive significant attention water eutrophication, alga eruption, soil
Acidification, bio-diversity are reduced and the global problems such as greenhouse effects are closely related, and farmland is an important emission source of ammonia；And
And an important channel of emission intensity or Total Nitrogen nutrition loss, therefore, research farmland emission intensity is not only to alleviate environment
The needs of problem, and improve the requirement of agricultural production efficiency.
Venting method, sampling apparatus polyvinyl chloride hard are selected in the emission intensity sample acquisition of present planting industry nitrogen application
Plastic tube is made, and two pieces of sponges are uniformly soaked phosphoglycerol solution respectively, and (50mL phosphoric acid adds 40mL glycerine, is settled to
1000mL), it is placed in plastic conduit, when sampling, the sponge of acquisition equipment lower layer is taken out, is quickly charged with close in sealing bag bag
Envelope, while changing the sponge of another block of rigid dipped phosphoglycerol；The sponge changed is taken back into laboratory, is respectively put into 500mL modeling
Expect bottle, add the KCl solution 300mL of 1moL/L, is completely immersed in sponge wherein, vibrates 1h, the ammonium nitrogen measured in leaching liquor contains
Amount extracts the NH4+ absorbed in sponge using sponge extraction using Klorvess Liquid, the ammonium ion in leaching liquor can use indigo
Phenol indigo plant colorimetric method for determining.But the mode of sponge extraction needs to extract ammonia again, this is easy to encounter water in paddy field the Caspian Sea silk floss
Or mud, while the bad defect of existing acquisition device waterproof effect, Yi Beifeng are wiped off, are also unfavorable for breathing freely, and cause result inaccurate
Really, and again the liquid in sponge is squeezed out with tool, operating process is comparatively laborious.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of ammonia volatilization acquisition device of waterproof, have good
Waterproof, permeability, thus improve experiment detection accuracy, and solve in the prior art ammonia volatilization acquisition device need
The technical issues of secondary extraction, cumbersome, low efficiency are carried out to ammonia.
The solution that the utility model solves its technical problem is:
A kind of ammonia volatilization acquisition device of waterproof, including sleeve, the inside of the sleeve is equipped with collection vessel, described
In barrel-shaped, the wall body of the collection vessel is made collection vessel of Golders fabric, the collection vessel it is upper
Portion is equipped with upper opening, supporting block annular in shape is connected in the outer edge of upper opening, the inner wall of the sleeve is fixedly connected
There is the fixed ring to extend internally, the collection vessel is sleeved in fixed ring, and the outer diameter of the supporting block is less than sleeve
Internal diameter, the lower wall surface of the supporting block is abutted with the upper wall surface of fixed ring, so that collection vessel is fixed in fixed ring, it is described
Upper opening be equipped with the lid in dome-shaped, the outer diameter of the lid is less than the internal diameter of sleeve, and the cover cap is opened upper
On mouth, the edge of the lid and the upper edge of collection vessel are in sealing contact, and the center of the lid is equipped with venthole, institute
The upper wall surface for the fixed ring stated is equipped with groove annular in shape, and the groove is arranged between supporting block and the inner wall of sleeve,
The bottom of the groove is equipped with multiple through-holes, and the upper end of the sleeve is equipped with top cover, and the top cover includes laterally setting
Top plate, the top plate is in rounded shape, and the edge of the top plate connects cylindrical lid eaves board, the lid eaves board
Upper end and the edge of top plate connect, and the diameter of the lid eaves board gradually turns to increase from upper end to lower end, under the top plate
Wall surface is connected in vertically arranged fixed cylinder, and the upper end of the fixed cylinder is fixedly connected with the lower wall surface of top plate, described
The side wall of the lower end of fixed cylinder and the upper end releasable connection of sleeve, the fixed cylinder top is equipped with multiple air holes, Duo Getou
Stomata is annularly arranged on the side wall on fixed cylinder top.
As a further improvement of the foregoing solution, the air hole is in a strip shape, and the air hole is in vertically arranged, institute
The lower edge for the air hole stated is concordant with the lower end of lid eaves board.
As a further improvement of the foregoing solution, the outside wall surface of the fixed cylinder lower end is equipped with the first external screw thread, described
The inner wall of sleeve upper end be equipped with the first internal screw thread for matching with the first external screw thread, the fixed cylinder and bush whorl connect
It connects.
As a further improvement of the foregoing solution, the lower part of the sleeve is equipped with multiple pins, and multiple pins are in ring
Shape is arranged on the side wall of sleeve.
As a further improvement of the foregoing solution, the upper surface of the collection vessel is equipped with positioning ring annular in shape, institute
The positioning ring stated is upwardly extended from the upper surface of collection vessel, and the lower wall surface at the lid edge is equipped with matched with positioning ring
Locating slot, the locating slot can cover on positioning ring, to realize the positioning between lid and collection vessel.
As a further improvement of the foregoing solution, the venthole is connected with connector, and the connector includes one
A air inlet pipe, three escape pipes, the air inlet pipe is in vertically arranged, and the lower part of the air inlet pipe is connect with venthole, institute
The upper end for the air inlet pipe stated is connected to three escape pipes respectively, and circumferentially uniform intervals are arranged three escape pipes, and three go out
One end of tracheae and the upper end of air inlet pipe connect, and three escape pipe other ends are unfolded outward upward.
As a further improvement of the foregoing solution, the outside wall surface of the air inlet pipe lower part is equipped with the second external screw thread, described
The inner wall of venthole be equipped with the second internal screw thread for matching with the second external screw thread, the air inlet pipe and venthole screw thread connect
It connects.
As a further improvement of the foregoing solution, the center connection on the connector top is in vertically arranged connection
The lower end of bar, the connecting rod is fixedly connected with the center on connector top, and the upper end of the connecting rod is connected in umbrella
The baffle of shape, the outer edge of the baffle can block the outlet of three escape pipes completely in a vertical direction.
The beneficial effects of the utility model are: the collection vessel for being loaded with phosphoglycerol solution is placed on consolidating in sleeve
Determine on ring, by the positioning of supporting block and fixed ring in the upper opening of collection vessel, realizes the fixation of collection vessel, it is directly logical
It crosses and fills the collection vessel of phosphoglycerol solution absorption is collected to ammonia, do not need to be leached out again after absorbing using sponge,
Measurement process is simplified, measurement efficiency is improved, and collection vessel made of Golders fabric has the function of waterproof and breathable,
Air in soil passes through the opening of sleeve lower end using the wall body and phosphoglycerol solution reaction of collection vessel, then passes through lid
Venthole on body enters in sleeve, enters in environment finally by the air hole in fixed cylinder, to provide good
Gas channel is conducive to the air circulation inside and outside collection vessel, to effectively increase the monitoring accuracy of ammonia volatilization acquisition device；Lid
Eaves board can carry out rain cover to air hole, avoid rainwater from entering the inside of sleeve, being collected simultaneously container upper cover has in dome-shaped
Lid, if once there is a small amount of rainwater to enter sleeve, under the drainage of lid, rainwater flows to the edge of lid, then flows into
In groove on to fixed ring, sleeve is flowed out finally by the through-hole in groove, so that rainwater be further prevented to enter collection
In container, this technology has the waterproof barrier of twice, the respectively water conservancy diversion of the rain cover of lid eaves board and groove, to improve device
Waterproof performance.
The utility model is for the monitoring in planting industry to ammonia volatilization.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the front sectional view of the utility model embodiment；
Fig. 2 is the top view of the connector of the utility model embodiment.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the utility model is special
Sign, can be with combination of interactions under the premise of not conflicting conflict.
Referring to Figures 1 and 2, this is the embodiments of the present invention, specifically:
The inside of a kind of ammonia volatilization acquisition device of waterproof, including sleeve 1, the sleeve 1 is equipped with collection vessel 2, institute
The collection vessel 2 stated is in barrel-shaped, and the wall body of the collection vessel 2 is made of Golders fabric, and the collection is held
The top of device 2 is equipped with upper opening 21, and supporting block 22 annular in shape is connected in the outer edge of upper opening 21, the sleeve 1
Inner wall is fixedly connected with the fixed ring 11 to extend internally, and the collection vessel 2 is sleeved in fixed ring 11, the support
The outer diameter of block 22 is less than the internal diameter of sleeve 1, and the lower wall surface of the supporting block 22 is abutted with the upper wall surface of fixed ring 11, so that receiving
Collection container 2 is fixed in fixed ring 11, and the upper opening 21 is equipped with the lid 23 in dome-shaped, the outer diameter of the lid 23
Less than the internal diameter of sleeve 1, the lid 23 is covered in upper opening 21, and the edge of the lid 23 is upper with collection vessel 2
Rim seal contact, the center of the lid 23 are equipped with venthole 24, and the upper wall surface of the fixed ring 11 is equipped with annular in shape
Groove 12, the groove 12 is arranged between supporting block 22 and the inner wall of sleeve 1, and the bottom of the groove 12 is equipped with
Multiple through-holes 13, the upper end of the sleeve 1 are equipped with top cover 14, and the top cover 14 includes the top plate 15 being laterally arranged, described
Top plate 15 it is in rounded shape, the edge of the top plate 15 connects cylindrical lid eaves board 16, the lid eaves board 16 it is upper
End is connect with the edge of top plate 15, and the diameter of the lid eaves board 16 gradually turns to increase from upper end to lower end, the top plate 15
Lower wall surface be connected in vertically arranged fixed cylinder 17, the upper end of the fixed cylinder 17 and lower wall surface of top plate 15 is fixed connects
It connects, the lower end of the fixed cylinder 17 and the upper end releasable connection of sleeve 1, the side wall on 17 top of fixed cylinder are equipped with multiple
Air hole 18, multiple air holes 18 are annularly arranged on the side wall on 17 top of fixed cylinder.It is molten phosphoglycerol will to be loaded with
The collection vessel 2 of liquid is placed in the fixed ring 11 in sleeve 1, by supporting block 22 in the upper opening 21 of collection vessel 2 with
The positioning of fixed ring 11, realizes the fixation of collection vessel 2, directly by fill the collection vessel 2 of phosphoglycerol solution to ammonia into
Row, which is collected, to be absorbed, and is not needed to be leached out again after absorbing using sponge, is simplified measurement process, improve measurement efficiency, and dagger-axe
Collection vessel 2 made of Er Tesi fabric has the function of waterproof and breathable, and the air in soil passes through the opening of 1 lower end of sleeve again
It is entered in sleeve 1 by the wall body and phosphoglycerol solution reaction of collection vessel 2, then by the venthole 24 on lid 23,
It is entered in environment finally by the air hole 18 in fixed cylinder 17, to provide good gas-permeable channels, is conducive to collection vessel 2
Inside and outside air circulation, to effectively increase the monitoring accuracy of ammonia volatilization acquisition device；Lid eaves board 16 can to air hole 18 into
Row rain cover avoids rainwater from entering the inside of sleeve 1, the lid 23 being stamped on container 2 in dome-shaped is collected simultaneously, if once
There is a small amount of rainwater to enter sleeve 1, under the drainage of lid 23, rainwater flows to the edge of lid 23, then is flowed into fixed ring
In groove 12 on 11, sleeve 1 is flowed out finally by the through-hole 13 in groove 12, so that rainwater be further prevented to enter collection
In container 2, this technology has the waterproof barrier of twice, the respectively water conservancy diversion of the rain cover of lid eaves board 16 and groove 12, to improve
The waterproof performance of device.Golders (GORE-TEX) fabric is U.S. W.L.Gore&Associates, Inc. (Ge Er company)
The exclusive film invented and one kind of production is light, thin, firm and durable, it has waterproof, ventilative and wind-shielding function, breaks through general
The disadvantage that waterproof fabrics cannot breathe freely.
It is further used as preferred embodiment, the air hole 18 is in a strip shape, and the air hole 18 is in vertically to set
It sets, the lower edge of the air hole 18 is concordant with the lower end of lid eaves board 16.In the case where meeting the realization rain cover of lid eaves board 16,
The Air permenbility of further expansion air hole 18, enable lid eaves board 16 edge water clock droplet or rainwater directly fall to
On the ground, even if rainwater is by change of the wind direction, rainwater can also be made to be blocked in the side wall of lid eaves board 16 or fixed cylinder 17
On outer surface, rainwater is effectively avoided to enter in sleeve 1 by air hole 18, to further increase rainproof effect.
It is further used as preferred embodiment, the outside wall surface of 17 lower end of fixed cylinder is equipped with the first external screw thread, institute
The inner wall for 1 upper end of sleeve stated is equipped with the first internal screw thread to match with the first external screw thread, the fixed cylinder 17 and sleeve 1
It is threadedly coupled.The sealing between fixed cylinder 17 and sleeve 1 can be achieved in this way, prevent rainwater from penetrating into set along the side wall of fixed cylinder 17
In cylinder 1.
It is further used as preferred embodiment, the lower part of the sleeve 1 is equipped with multiple pins 19, multiple pins 19
Annularly it is arranged on the side wall of sleeve 1.Acquisition device can be fixed on soil by pin 19, convenient for experimenter's
Installation, because needing to install many acquisition devices, to reduce experimenter's during crop field in-situ monitoring is layouted
Fatigue strength.
It is further used as preferred embodiment, the upper surface of the collection vessel 2 is equipped with positioning ring 25 annular in shape,
The positioning ring 25 is upwardly extended from the upper surface of collection vessel 2, and the lower wall surface at 23 edge of lid is equipped with and positioning
The matched locating slot 26 of ring 25, the locating slot 26 can cover on positioning ring 25, thus realize lid 23 and collection vessel 2 it
Between positioning.Convenient for the installation between lid 23 and collection vessel 2, because needing during acquisition to many acquisitions
The collection vessel 2 of device carries out recycling and installs again, when covering to collection vessel 2,26 sets of locating slot need to only be set
Capping can be completed on the ring 25 of position, while positioning ring 25 is upwardly extended from the upper surface of collection vessel 2, increases one of shield
Barrier, even if rainwater enters in sleeve 1, will not enter in collection vessel 2 under the blocking of positioning ring 25, improve lid 23
With the leakproofness between collection vessel 2, the phenomenon that appearance misplaces and sealing effect is bad is thus prevented, further increases acquisition
The waterproof performance of device.
It is further used as preferred embodiment, the venthole 24 is connected with connector 27, the connector 27
Including 28, three escape pipes 29 of an air inlet pipe, the air inlet pipe 28 in vertically arranged, the lower part of the air inlet pipe 28 with
Venthole 24 connects, and the upper end of the air inlet pipe 28 is connected to three escape pipes 29 respectively, and three escape pipes 29 are circumferentially equal
Even to be alternatively arranged setting, one end of three escape pipes 29 is connect with the upper end of air inlet pipe 28, and three 29 other ends of escape pipe are upward
It is unfolded outward.The connector 27 of one point of three way type can stockpile a small amount of moisture, prevent moisture from entering in collection vessel 2.
It is further used as preferred embodiment, the outside wall surface of 28 lower part of air inlet pipe is equipped with the second external screw thread, institute
The inner wall for the venthole 24 stated is equipped with the second internal screw thread to match with the second external screw thread, the air inlet pipe 28 and venthole
24 are threadedly coupled.The sealing between air inlet pipe 28 and venthole 24 can be achieved in this way, prevent rainwater from seeping along the side wall of air inlet pipe 28
Enter into venthole 24, to influence the accuracy of acquisition device monitoring.
It is further used as preferred embodiment, the center connection on 27 top of connector is in vertically arranged connection
The lower end of bar 271, the connecting rod 271 is fixedly connected with the center on 27 top of connector, the upper end of the connecting rod 271
It is connected with the baffle 272 in umbrella shape shape, the outer edge of the baffle 272 can block three escape pipes completely in a vertical direction
29 outlet.The function that waterproof is further functioned as by baffle 272 prevents moisture from entering collection from the outlet of escape pipe 29 and holds
In device 2.
The better embodiment of the utility model is illustrated above, but the utility model be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of ammonia volatilization acquisition device of waterproof, including sleeve (1), it is characterised in that: the inside of the sleeve (1) is equipped with
Collection vessel (2), for the collection vessel (2) in barrel-shaped, the wall body of the collection vessel (2) uses Golders fabric
It is made, the top of the collection vessel (2) is equipped with upper opening (21), is connected in the outer edge of upper opening (21) annular in shape
Supporting block (22), the inner wall of the sleeve (1) are fixedly connected with the fixed ring (11) to extend internally, the collection vessel
(2) it is sleeved in fixed ring (11), the outer diameter of the supporting block (22) is less than the internal diameter of sleeve (1), the supporting block
(22) lower wall surface is abutted with the upper wall surface of fixed ring (11), so that collection vessel (2) is fixed on fixed ring (11), it is described
Upper opening (21) is equipped with the lid (23) in dome-shaped, and the outer diameter of the lid (23) is less than the internal diameter of sleeve (1), described
Lid (23) covers on upper opening (21), and the upper edge at the edge and collection vessel (2) of the lid (23) is in sealing contact, institute
The center for the lid (23) stated is equipped with venthole (24), and the upper wall surface of the fixed ring (11) is equipped with groove annular in shape
(12), the groove (12) is arranged between supporting block (22) and the inner wall of sleeve (1), the bottom of the groove (12)
Equipped with multiple through-holes (13), the upper end of the sleeve (1) is equipped with top cover (14), and the top cover (14) includes laterally being arranged
Top plate (15), the top plate (15) is in rounded shape, and the edge of the top plate (15) connects cylindrical lid eaves board (16),
The upper end of the lid eaves board (16) is connect with the edge of top plate (15), and the diameter of the lid eaves board (16) is from upper end to lower end
Gradually turn to increase, the lower wall surface of the top plate (15) is connected in vertically arranged fixed cylinder (17), the fixed cylinder
(17) upper end is fixedly connected with the lower wall surface of top plate (15), and the lower end of the fixed cylinder (17) and the upper end of sleeve (1) can
Tear connection open, the side wall on the fixed cylinder (17) top is equipped with multiple air holes (18), and multiple air holes (18) are annularly spaced
It is arranged on the side wall on fixed cylinder (17) top.
2. a kind of ammonia volatilization acquisition device of waterproof according to claim 1, it is characterised in that: the air hole (18)
In a strip shape, the air hole (18) is in vertically arranged, the lower edge of the air hole (18) and the lower end of lid eaves board (16)
Concordantly.
3. a kind of ammonia volatilization acquisition device of waterproof according to claim 1, it is characterised in that: the fixed cylinder (17)
The outside wall surface of lower end is equipped with the first external screw thread, and the inner wall of the sleeve (1) upper end is equipped with to match with the first external screw thread
First internal screw thread, the fixed cylinder (17) are threadedly coupled with sleeve (1).
4. a kind of ammonia volatilization acquisition device of waterproof according to claim 1, it is characterised in that: the sleeve (1)
Lower part is equipped with multiple pins (19), and multiple pins (19) are annularly arranged on the side wall of sleeve (1).
5. a kind of ammonia volatilization acquisition device of waterproof according to claim 1, it is characterised in that: the collection vessel
(2) upper surface is equipped with positioning ring (25) annular in shape, and the positioning ring (25) prolongs upwardly from the upper end of collection vessel (2)
It stretches, the lower wall surface at the lid (23) edge is equipped with and positioning ring (25) matched locating slot (26), the locating slot
(26) it can cover on positioning ring (25), to realize the positioning between lid (23) and collection vessel (2).
6. a kind of ammonia volatilization acquisition device of waterproof according to claim 1, it is characterised in that: the venthole (24)
It is connected with connector (27), the connector (27) includes an air inlet pipe (28), three escape pipes (29), the air inlet
(28) are managed in vertically arranged, the lower part of the air inlet pipe (28) is connect with venthole (24), the air inlet pipe (28) it is upper
End is connected to three escape pipes (29) respectively, and circumferentially uniform intervals are arranged three escape pipes (29), three escape pipes
(29) one end is connect with the upper end of air inlet pipe (28), and three escape pipe (29) other ends are unfolded outward upward.
7. a kind of ammonia volatilization acquisition device of waterproof according to claim 6, it is characterised in that: the air inlet pipe (28)
The outside wall surface of lower part is equipped with the second external screw thread, and the inner wall of the venthole (24) is equipped with the to match with the second external screw thread
Two internal screw threads, the air inlet pipe (28) are threadedly coupled with venthole (24).
8. a kind of ammonia volatilization acquisition device of waterproof according to claim 6, it is characterised in that: the connector (27)
The center connection on top is in vertically arranged connecting rod (271), the lower end and connector (27) top of the connecting rod (271)
Center be fixedly connected, the upper end of the connecting rod (271) is connected with the baffle (272) in umbrella shape shape, the baffle
(272) outer edge can block the outlet of three escape pipes (29) completely in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821477773.9U CN209055362U (en) | 2018-09-10 | 2018-09-10 | A kind of ammonia volatilization acquisition device of waterproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821477773.9U CN209055362U (en) | 2018-09-10 | 2018-09-10 | A kind of ammonia volatilization acquisition device of waterproof |
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| Publication Number | Publication Date |
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| CN209055362U true CN209055362U (en) | 2019-07-02 |
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ID=67048511
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821477773.9U Active CN209055362U (en) | 2018-09-10 | 2018-09-10 | A kind of ammonia volatilization acquisition device of waterproof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211624A (en) * | 2018-09-10 | 2019-01-15 | 佛山科学技术学院 | A kind of ammonia volatilization acquisition device of waterproof |
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2018
- 2018-09-10 CN CN201821477773.9U patent/CN209055362U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211624A (en) * | 2018-09-10 | 2019-01-15 | 佛山科学技术学院 | A kind of ammonia volatilization acquisition device of waterproof |
| CN109211624B (en) * | 2018-09-10 | 2023-11-28 | 佛山科学技术学院 | Waterproof ammonia volatilizees collection system |
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