CN113926608A - Device for automatically adding nutrition to liquid in substrate production and using method thereof - Google Patents
Device for automatically adding nutrition to liquid in substrate production and using method thereof Download PDFInfo
- Publication number
- CN113926608A CN113926608A CN202111203207.5A CN202111203207A CN113926608A CN 113926608 A CN113926608 A CN 113926608A CN 202111203207 A CN202111203207 A CN 202111203207A CN 113926608 A CN113926608 A CN 113926608A
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- liquid
- main body
- piston
- production
- push rod
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- 239000007788 liquid Substances 0.000 title claims abstract description 246
- 235000016709 nutrition Nutrition 0.000 title claims abstract description 17
- 230000035764 nutrition Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000000758 substrate Substances 0.000 title claims description 23
- 235000015097 nutrients Nutrition 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 abstract description 30
- 230000000694 effects Effects 0.000 description 5
- 230000035784 germination Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/047—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/60—Apparatus for preparing growth substrates or culture media
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/081—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to the weight of a reservoir or container for liquid or other fluent material; responsive to level or volume of liquid or other fluent material in a reservoir or container
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention provides a device for automatically adding nutrition into liquid in matrix production and a using method thereof, the device comprises a liquid adding main body, an electric push rod is arranged at the top of the liquid adding main body, a piston arranged in the liquid adding main body is arranged on a telescopic shaft of the electric push rod, a liquid outlet pipe is arranged at the bottom of the liquid adding main body, a liquid outlet valve is arranged on the liquid outlet pipe, a nozzle is arranged on the liquid outlet pipe, a time relay is arranged at the top of the liquid adding main body, when the matrix needs to be added in the production, the electric push rod and the liquid outlet valve are simultaneously electrified by the time relay through adjusting the time relay to a proper on-off time period, the liquid is sprayed out from the nozzle on the liquid outlet pipe, the nutrient liquid is added into the matrix in the production, the timeliness of adding the nutrient liquid is improved, the function of automatically adding the nutrient liquid into the matrix is realized, the device has reasonable structure, convenient assembly and convenient and automatic addition, the adding is timely and effective, and the adding liquid is supplemented conveniently.
Description
Technical Field
The invention discloses a device for automatically adding nutrition into liquid in matrix production and a using method thereof, belonging to the technical field of devices for adding nutrition into liquid in matrix production.
Background
The substrate is artificial soil for plant cultivation, and when nutrient solution is added in the substrate production, a device for adding nutrition to the liquid in the substrate production is needed.
In the prior art, a device for adding nutrition into liquid in matrix production is inconvenient to automatically add nutrient solution when in use; the addition is not timely, so that the production quality of the matrix is reduced, and the germination success rate of the matrix-cultured seeds is reduced; and when need not be followed external supplementary addition liquid and is reminded inconveniently, influence subsequent use to reduced the efficiency of production matrix, an urgent need now is that the automatic device that adds nutrition of liquid is in matrix production solves above-mentioned problem that appears.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a device for automatically adding nutrition into liquid in substrate production and a using method thereof, so as to solve the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an automatic device that adds nutrition of liquid in matrix production, includes the liquid main part that adds, add liquid main part top and install electric putter, install on electric putter's the telescopic shaft and arrange in the inside piston of adding the liquid main part, add liquid main part bottom and install the drain pipe, install the drain valve on the drain pipe, install the nozzle on the drain pipe, add liquid main part top and install time relay.
Furthermore, a PLC (programmable logic controller) is installed on the liquid adding main body, and a liquid level sensor is installed on the side wall of the liquid adding main body.
Furthermore, the input end of the PLC is provided with an A/D converter, the output end of the PLC is provided with a D/A converter, the liquid level sensor is electrically connected with the A/D converter, and the liquid outlet valve is electrically connected with the D/A converter.
Further, a transparent observation window for observing the liquid dosage is arranged on the side wall of the liquid adding body.
Further, a sealing ring is installed at the joint of the telescopic shaft of the electric push rod and the liquid adding main body.
Furthermore, a guide groove is formed in the liquid adding main body, and the piston is matched with the guide groove.
Furthermore, a liquid inlet pipe is installed on the side wall of the liquid adding main body, a liquid inlet valve is installed on the liquid inlet pipe, and the liquid inlet pipe is arranged below the piston.
Further, add liquid main part inner wall upside and install the spacing ring of arranging the piston top in, add liquid main part top and install the warning light, add liquid main part top and install and be used for carrying out the proximity switch who detects to the piston.
A use method of a device for automatically adding nutrition to liquid in substrate production comprises the following steps:
step (A), carrying out automatic liquid adding operation on liquid;
supplementing liquid into the liquid adding main body;
and (C) reminding the liquid adding main body of the liquid to be supplemented with the liquid.
Further, the step (A) specifically includes the following steps
(A1) Adjusting the time relay to a proper on-off time period, when liquid needs to be added in the production of the matrix, enabling the time relay to reach the power-on time, enabling the electric push rod and the liquid outlet valve to be powered on and work at the same time, enabling the electric push rod to work to drive the piston to extrude the liquid, and enabling the liquid outlet valve to work to enable the liquid extruded by the piston to be sprayed out from a nozzle on the liquid outlet pipe, so as to carry out the operation of automatically adding the liquid;
(A2) when the time relay reaches the power-off time, the electric push rod and the liquid outlet valve are powered off, and the liquid outlet valve is powered off and returns to the initial position, namely the closed state, so that the liquid addition operation is stopped;
the step (B) specifically includes the following steps
(B1) When the liquid level sensor detects that the liquid level reaches a set value, indicating that liquid needs to be supplemented into the liquid adding main body;
(B2) the liquid level sensor gives a signal to the PLC controller, so that the electric push rod works to drive the piston to return to the initial position, and the piston is connected with the limiting ring;
(B3) opening a liquid inlet valve, and introducing liquid to be added into a liquid inlet pipe;
the step (C) specifically comprises the following steps
(C1) After the electric push rod works to drive the piston to return to the initial position, the proximity switch detects the piston at the moment, the power supply of the warning lamp is connected, and the warning lamp works to prompt a worker that the additive liquid needs to be supplemented to the liquid adding main body.
The invention has the beneficial effects that: when the device for automatically adding nutrition to liquid in substrate production is used:
1. the time relay is adjusted to a proper on-off time period, when liquid needs to be added in the production of the matrix, the time relay enables the electric push rod and the liquid outlet valve to be simultaneously electrified for working, the liquid is sprayed out from the nozzle on the liquid outlet pipe to add nutrient liquid to the matrix in the production, the timeliness of adding the nutrient liquid is improved, the quality of matrix production is improved, the germination success rate of the matrix culture seeds is improved, the function of automatically adding the nutrient liquid to the matrix is achieved, when the time relay reaches the power-off time, the electric push rod and the liquid outlet valve are powered off, the power-off of the liquid outlet valve returns to the initial position, namely the closed state, and the liquid addition is stopped;
2. by using the liquid level sensor, when the liquid level sensor detects that the liquid level reaches a set value after the liquid flows out, the PLC controller enables the electric push rod to work to drive the piston to return to the initial position, so that the liquid can be conveniently added again;
3. by using the nozzle, the uniformity of the added liquid is improved;
4. when being close to proximity switch through the piston, piston and spacing ring contact this moment, proximity switch make warning light circular telegram work, play and be convenient for warn the staff, need to add the effect of liquid to the inside supplementary addition of liquid main part, subsequent use of being convenient for to improve the efficiency of production matrix.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a perspective view of an apparatus for automatically adding nutrients to a liquid in the production of a substrate according to the present invention;
FIG. 2 is a front sectional view of an apparatus for automatically adding nutrients to a liquid in the production of a substrate according to the present invention;
FIG. 3 is a schematic view of the control system of the present invention;
FIG. 4 is a schematic diagram of the operation of a warning light in the device for automatically adding nutrition to liquid in substrate production according to the present invention;
in the figure: 1-liquid adding main body, 101-transparent observation window, 2-time relay, 3-electric push rod, 4-PLC controller, 5-liquid inlet pipe, 6-liquid inlet valve, 7-liquid outlet pipe, 8-liquid outlet valve, 9-nozzle, 10-piston, 11-liquid level sensor, 12-guide groove, 13-sealing ring, 14-spacing ring, 15-warning lamp and 16-proximity switch.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: a device for automatically adding nutrition into liquid in matrix production comprises a liquid adding main body 1, an electric push rod 3 is installed at the top of the liquid adding main body 1, a piston 10 arranged in the liquid adding main body 1 is installed on a telescopic shaft of the electric push rod 3, a liquid outlet pipe 7 is installed at the bottom of the liquid adding main body 1, a liquid outlet valve 8 is installed on the liquid outlet pipe 7, a nozzle 9 is installed on the liquid outlet pipe 7, a time relay 2 is installed at the top of the liquid adding main body 1, the time relay 2 is adjusted to a proper on-off time period to enable the matrix to be added in production, the electric push rod 3 and the liquid outlet valve 8 are simultaneously powered on by the time relay 2, the liquid is sprayed out from the nozzle 9 on the liquid outlet pipe 7 to add the nutrient liquid into the matrix in production, the timeliness of adding the nutrient liquid is improved, the quality of matrix production is improved, and the germination success rate of the matrix culture seeds is improved, play the automatic effect of adding nutrient solution to the matrix, when time relay 2 reachd the outage time, make electric putter 3 and play liquid valve 8 outage, go out liquid valve 8 outage and get back to initial position, closed state promptly, make liquid stop adding.
Install PLC controller 4 on adding liquid main part 1, add and install level sensor 11 on the 1 lateral wall of liquid main part, PLC controller 4 input is provided with the AD converter, PLC controller 4 output is provided with the DA converter, level sensor 11 and AD converter electric connection, go out liquid valve 8 and DA converter electric connection, this design is through using level sensor 11 to detect when the liquid level reachs the setting value, PLC controller 4 makes 3 work of electric putter drive piston 10 get back to initial position, add and install on the 1 lateral wall of liquid main part and be used for carrying out the transparent observation window 101 that observes the liquid quantity, this design is through using transparent observation window 101, be convenient for observe adding the inside liquid of liquid main part 1.
The sealing ring 13 is installed at the joint of the telescopic shaft of the electric push rod 3 and the liquid adding main body 1, the design improves the sealing performance of the joint, the liquid adding main body 1 is internally provided with a guide groove 12, the piston 10 is matched with the guide groove 12, the design is convenient for the piston 10 to move in the guide groove 12, the side wall of the liquid adding main body 1 is provided with a liquid inlet pipe 5, the liquid inlet pipe 5 is provided with a liquid inlet valve 6, the liquid inlet pipe 5 is arranged below the piston 10, the rationality of the design is improved, the upper side of the inner wall of the liquid adding main body 1 is provided with a limit ring 14 arranged above the piston, the top of the liquid adding main body 1 is provided with a warning lamp 15, the top of the liquid adding main body 1 is provided with a proximity switch 16 for detecting the piston, when the piston 10 is close to the proximity switch 16, at the moment, the piston 10 is in contact with the limit ring 14, the piston 10 is arranged above the liquid inlet pipe, and is convenient for adding liquid operation from the outside to the inside of the liquid adding main body 1, proximity switch 16 makes the circular telegram work of warning light 15, plays and is convenient for warn the staff, needs to add the effect of liquid addition to the inside supplementary of liquid main part 1, subsequent use of being convenient for to improve the efficiency of production matrix, proximity switch 16 is connected with external power supply through the wire, and warning light 15 is connected with proximity switch 16 through the wire, and warning light 15 is connected with external power supply through the wire.
A use method of a device for automatically adding nutrition to liquid in substrate production comprises the following steps:
step (A), carrying out automatic liquid adding operation on liquid;
supplementing liquid into the liquid adding main body 1;
and (C) reminding that liquid needs to be supplemented into the liquid adding main body 1.
The step (A) specifically comprises the following steps
(A1) Adjusting the time relay 2 to a proper on-off time period, when liquid needs to be added in the production of the matrix, enabling the time relay 2 to reach the power-on time, enabling the electric push rod 3 and the liquid outlet valve 8 to be powered on and work at the same time, enabling the electric push rod 3 to work to drive the piston 10 to extrude the liquid, enabling the liquid outlet valve 8 to work to enable the liquid extruded by the piston 10 to be sprayed out from the nozzle 9 on the liquid outlet pipe 7, and automatically adding the liquid;
(A2) when the time relay 2 reaches the power-off time, the electric push rod 3 and the liquid outlet valve 8 are powered off, the liquid outlet valve 8 is powered off and returns to the initial position, namely the closed state, and the liquid addition operation is stopped;
the step (B) specifically includes the following steps
(B1) When the liquid level sensor 11 detects that the liquid level reaches the set value, it indicates that the liquid needs to be replenished into the liquid adding body 1;
(B2) the liquid level sensor 11 gives a signal to the PLC 4, so that the electric push rod 3 works to drive the piston 10 to return to the initial position, and the piston 10 is connected with the limiting ring 14;
(B3) opening the liquid inlet valve 6, and introducing liquid to be added into the liquid inlet pipe 5;
the step (C) specifically comprises the following steps
(C1) After the electric push rod 3 works to drive the piston 10 to return to the initial position, the proximity switch 16 detects the piston 10 at the moment, the power supply of the warning lamp 15 is connected, and the warning lamp 15 works to prompt a worker that the additive liquid needs to be supplemented to the liquid adding main body 1.
As an embodiment of the present invention: when needs add nutrient solution in matrix production, at first adjust time relay 2 to suitable break-make time quantum, when making matrix need add liquid in production, time relay 2 makes electric putter 3 and play liquid valve 8 circular telegram work simultaneously, liquid is spout from nozzle 9 on drain pipe 7, add nutrient solution to the matrix in production, improve the promptness of adding nutrient solution, play the automatic effect of adding nutrient solution to the matrix, when time relay 2 reachd the outage time, make electric putter 3 and play liquid valve 8 outage, go out liquid valve 8 outage and get back to initial position, closed state promptly, make liquid stop adding.
When liquid flows out, when the liquid level sensor 11 detects that the liquid level reaches the set value, the PLC controller 4 enables the electric push rod 3 to work to drive the piston 10 to return to the initial position, and when the set value is not reached, the PLC controller 4 does not enable the electric push rod 3 to work to drive the piston 10 to return to the initial position, so that the liquid can be added again, and the uniformity of the added liquid is improved by using the nozzle 9.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A device for automatically adding nutrition to liquid in substrate production is characterized in that: including adding liquid main part (1), add liquid main part (1) top and install electric putter (3), install piston (10) of arranging in adding liquid main part (1) inside on the telescopic shaft of electric putter (3), add liquid main part (1) bottom and install drain pipe (7), install drain valve (8) on drain pipe (7), install nozzle (9) on drain pipe (7), add liquid main part (1) top and install time relay (2).
2. The apparatus for automatically adding nutrients to a liquid in the production of a substrate according to claim 1, wherein: the liquid adding device is characterized in that a PLC (programmable logic controller) (4) is installed on the liquid adding main body (1), and a liquid level sensor (11) is installed on the side wall of the liquid adding main body (1).
3. The apparatus for automatically adding nutrients to a liquid in the production of a substrate according to claim 2, wherein: the liquid level sensor is characterized in that an A/D converter is arranged at the input end of the PLC (4), a D/A converter is arranged at the output end of the PLC (4), the liquid level sensor (11) is electrically connected with the A/D converter, and the liquid outlet valve (8) is electrically connected with the D/A converter.
4. The apparatus for automatically adding nutrients to a liquid in the production of a substrate according to claim 1, wherein: and a transparent observation window (101) for observing the liquid consumption is arranged on the side wall of the liquid adding main body (1).
5. The apparatus for automatically adding nutrients to a liquid in the production of a substrate according to claim 1, wherein: and a sealing ring (13) is arranged at the joint of the telescopic shaft of the electric push rod (3) and the liquid adding main body (1).
6. The apparatus for automatically adding nutrients to a liquid in the production of a substrate according to claim 1, wherein: a guide groove (12) is formed in the liquid adding main body (1), and the piston (10) is matched with the guide groove (12).
7. The apparatus for automatically adding nutrients to a liquid in the production of a substrate according to claim 1, wherein: the liquid adding device is characterized in that a liquid inlet pipe (5) is installed on the side wall of the liquid adding main body (1), a liquid inlet valve (6) is installed on the liquid inlet pipe (5), and the liquid inlet pipe (5) is arranged below the piston (10).
8. The apparatus for automatically adding nutrients to a liquid in the production of a substrate according to claim 1, wherein: add liquid main part (1) inner wall upside and install spacing ring (14) of arranging the piston top in, add liquid main part (1) top and install warning light (15), add liquid main part (1) top and install proximity switch (16) that are used for detecting the piston.
9. Use of a device for the automatic addition of nutrients to liquids in the production of substrates according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
step (A), carrying out automatic liquid adding operation on liquid;
supplementing liquid into the liquid adding main body (1);
and (C) reminding that liquid needs to be supplemented into the liquid adding main body (1).
10. The use method of the device for automatically adding nutrition to liquid in the substrate production according to claim 9, is characterized in that:
the step (A) specifically comprises the following steps
(A1) Adjusting the time relay (2) to a proper on-off time period, when liquid needs to be added in the production of the substrate, enabling the time relay (2) to reach the power-on time, enabling the electric push rod (3) and the liquid outlet valve (8) to be powered on and work simultaneously, enabling the electric push rod (3) to work to drive the piston (10) to extrude the liquid, enabling the liquid outlet valve (8) to work to enable the liquid extruded by the piston (10) to be sprayed out from a nozzle (9) on the liquid outlet pipe (7), and automatically adding the liquid;
(A2) when the time relay (2) reaches the power-off time, the electric push rod (3) and the liquid outlet valve (8) are powered off, the liquid outlet valve (8) is powered off and returns to the initial position, namely the closed state, and the liquid addition operation is stopped;
the step (B) specifically includes the following steps
(B1) When the liquid level sensor (11) detects that the liquid level reaches a set value, the liquid level sensor indicates that liquid needs to be supplemented into the liquid adding main body (1);
(B2) the liquid level sensor (11) gives a signal to the PLC (4) to enable the electric push rod (3) to work to drive the piston (10) to return to the initial position, and the piston (10) is connected with the limiting ring (14);
(B3) opening a liquid inlet valve (6), and introducing liquid to be added into the liquid inlet pipe (5);
the step (C) specifically comprises the following steps
(C1) After the electric push rod (3) works to drive the piston (10) to return to the initial position, the proximity switch (16) detects the piston (10) at the moment, the power supply of the warning lamp (15) is connected, and the warning lamp (15) works to prompt a worker that the additive liquid needs to be supplemented to the liquid adding main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203207.5A CN113926608A (en) | 2021-10-15 | 2021-10-15 | Device for automatically adding nutrition to liquid in substrate production and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203207.5A CN113926608A (en) | 2021-10-15 | 2021-10-15 | Device for automatically adding nutrition to liquid in substrate production and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113926608A true CN113926608A (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111203207.5A Pending CN113926608A (en) | 2021-10-15 | 2021-10-15 | Device for automatically adding nutrition to liquid in substrate production and using method thereof |
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| CN (1) | CN113926608A (en) |
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| CN203320348U (en) * | 2013-06-27 | 2013-12-04 | 济宁市信慧化工科技有限公司 | Papermaking fluorescent whitening agent adding device |
| CN103418518A (en) * | 2012-06-20 | 2013-12-04 | 北京万华阳光环境工程有限公司 | Controllable running spring device for fountain |
| CN205915544U (en) * | 2016-06-23 | 2017-02-01 | 江阴市江南氟塑有限公司 | A microwave vibrations agitating unit for PTFE pipe fitting paste |
| CN209731999U (en) * | 2019-04-03 | 2019-12-06 | 南平市建阳区晓富种子有限公司 | High yield vegetable seed nutrient solution replenishing device that grows seedlings |
| CN209977405U (en) * | 2019-04-26 | 2020-01-21 | 天津赛普瑞实验设备有限公司 | Constant-temperature real-time liquid supplementing device of dissolution instrument |
| CN213467548U (en) * | 2020-10-13 | 2021-06-18 | 江苏海事职业技术学院 | Automatic proportioning device of liquid raw materials based on PLC |
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2021
- 2021-10-15 CN CN202111203207.5A patent/CN113926608A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418518A (en) * | 2012-06-20 | 2013-12-04 | 北京万华阳光环境工程有限公司 | Controllable running spring device for fountain |
| CN203320348U (en) * | 2013-06-27 | 2013-12-04 | 济宁市信慧化工科技有限公司 | Papermaking fluorescent whitening agent adding device |
| CN205915544U (en) * | 2016-06-23 | 2017-02-01 | 江阴市江南氟塑有限公司 | A microwave vibrations agitating unit for PTFE pipe fitting paste |
| CN209731999U (en) * | 2019-04-03 | 2019-12-06 | 南平市建阳区晓富种子有限公司 | High yield vegetable seed nutrient solution replenishing device that grows seedlings |
| CN209977405U (en) * | 2019-04-26 | 2020-01-21 | 天津赛普瑞实验设备有限公司 | Constant-temperature real-time liquid supplementing device of dissolution instrument |
| CN213467548U (en) * | 2020-10-13 | 2021-06-18 | 江苏海事职业技术学院 | Automatic proportioning device of liquid raw materials based on PLC |
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Application publication date: 20220114 |