CN103727992A - System and method for measuring water-gas outflow evenness of oxygation - Google Patents

System and method for measuring water-gas outflow evenness of oxygation Download PDF

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CN103727992A
CN103727992A CN201310554711.9A CN201310554711A CN103727992A CN 103727992 A CN103727992 A CN 103727992A CN 201310554711 A CN201310554711 A CN 201310554711A CN 103727992 A CN103727992 A CN 103727992A
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water
vertical tube
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douche
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CN103727992B (en
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张振华
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Ludong University
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Abstract

The invention discloses a system and method for measuring the water-gas outflow evenness of oxygation. The system is composed of N measurement units identical in standard. A body of each measurement unit is a measurement box (1). The system is characterized in that each measurement box (1) is of a reversed T type and is formed by a horizontal pipe (7) and a vertical pipe (8) which are communicated with each other, the upper port of each vertical pipe (8) is sealed through an upper sealing plug (4), each vertical pipe (8) is communicated with a mini-type pressure meter (2) through the corresponding upper sealing plug (4), and the left port and the right port of each horizontal pipe (7) are provided with a left sealing plug (5) and a right sealing plug (6) respectively; the lower portion of each vertical pipe (8) is provided with a water drainage valve (3). According to the system, the water-gas outflow boundary condition of oxygation is simulated, the water flow rate of each douche can be obtained through the water balance principle, the gas outflow rate of each douche can be calculated according to the gas fundamental law, and on the basis, the water-gas outflow evenness of oxygation can be calculated through the relative evenness calculation formulas; technical support is provided for research of the water-gas outflow evenness of oxygation and a foundation is provided for the further improvement in the novel irrigation technology.

Description

A kind of oxygen gas of pouring water of measuring goes out to flow the System and method for of uniformity coefficient
Technical field:
The present invention relates to agricultural irrigation technology, is that a kind of oxygen gas of pouring water of measuring goes out to flow the System and method for of uniformity coefficient specifically.
Background technology:
Oxygen is filled with (Oxygation) and is utilized underground drip irrigation system that aerated water or aeration liquid manure fluid-mixing are transported to plant roots district, can effectively improve water, fertilizer, gas, the thermal environment of plant rhizosphere, maintain the normal metabolism of root system and respiratory function, growing of promotion and coordination plant ground and under ground portion is a kind of water saving, economize fertile, efficient Novel irrigation technology.Oxygen is filled with the temporary transient anoxic problem of root system of plant that common underground drip irrigation causes when irrigating that solved, and possesses again all intrinsic advantages of underground drip irrigation simultaneously, for excavating plant production potentiality, provides new selection.Consider that underground drip irrigation application and area constantly expand, and in the connection of common underground drip irrigation system, venturi syringe can transform oxygen fill system as, thereby oxygen fills with practical.A large amount of researchs show, oxygen is filled with has significant yield increasing effect, and particularly more obvious for the crop effect under clay planting conditions, some crop yield amplitudes reach 30%.Existing research mostly rests on oxygen and fills with the aspect to crop yield, physical signs and Water Use Efficiency, consider that aqueous vapor two-phase goes out to flow homogeneity the oxygen content of root region soil, microbial activity and plant growth are had to significant impact, be necessary it to carry out observation and research, to grasp its regularity of distribution; Prior art can only be taked the mode that water, gas are measured respectively, need to measure twice, and hollow billet and douche are immersed in water while measuring, and has changed the boundary condition that aqueous vapor goes out stream, causes measurement result to occur error.
Summary of the invention:
The object of the invention is to overcome the deficiency of above-mentioned prior art, and provide a kind of oxygen gas of pouring water of measuring to go out to flow the system of uniformity coefficient.
Another object of the present invention is to provide a kind of oxygen gas of pouring water of measuring and goes out to flow the method for uniformity coefficient.
The present invention mainly solves prior art can only take the mode that water, gas are measured respectively, and hollow billet and douche is immersed in while measuring and in water, has changed the boundary condition that aqueous vapor goes out stream, causes measurement result to occur the problems such as error.
Technical scheme of the present invention is: a kind of oxygen gas of pouring water of measuring goes out to flow the system of uniformity coefficient, this system consists of N the consistent measuring unit of specification, the main body of each measuring unit is measuring tank, its special character is, described measuring tank is inverted T shape, by horizontal tube and VERTICAL TUBE, is connected and is formed, and VERTICAL TUBE upper port is sealed by upper sealing-plug, micro pressure meter communicates with VERTICAL TUBE by upper sealing-plug, and two ports in horizontal tube left and right are established respectively left sealing-plug and right sealing-plug; Draining valve is established in the bottom of described VERTICAL TUBE.
Further, the horizontal tube of described measuring unit is consistent with the caliber of VERTICAL TUBE, and caliber is 5 ~ 10cm.
Further, the length of the horizontal tube of described measuring unit is less than the spacing of to be measured capillary watering device water delivering orifice.
Further, the length of the VERTICAL TUBE of described measuring unit is 25cm.
Further, the measuring tank of described measuring unit is the transparent material of duroplasts or organic glass, and Material Strength should be guaranteed in observation process indeformable.
A kind of oxygen gas of pouring water of measuring of the present invention goes out to flow the method for uniformity coefficient, and its special character is, comprises the following steps:
(1) drip irrigation pipe to be measured is passed through to the left sealing-plug of N measuring unit and the horizontal tube that right sealing-plug passes measuring tank, in horizontal tube, only remain with a douche water delivering orifice, douche water delivering orifice is in the centre position of horizontal tube, Open Side Down, and left sealing-plug is airtight, water-tight with the border seal that drip irrigation pipe and horizontal tube contact with right sealing-plug;
(2) pull up the upper sealing-plug of VERTICAL TUBE and the micro pressure meter of upper company thereof of each measuring unit, experiment soil used is filled in measuring tank uniformly by VERTICAL TUBE, soil filling arrives the draining valve top 3cm of VERTICAL TUBE;
(3) to drip irrigation pipe supply gas-vapor mix fluid, start oxygen and fill with;
(4) when there is the ponding of 1 ~ 3cm thickness in the soil surface in the VERTICAL TUBE of measuring unit, the position of the ponding face of good each measuring unit of record of selecting a good opportunity, and use sealing-plug VERTICAL TUBE is sealed, calculate the now volume V (m of the gas of VERTICAL TUBE inner sealing 3), start timing simultaneously;
(5) when timing reaches 30min or long-pending water surface elevation reaches 15cm, with being as the criterion of arriving first, irrigation stops, and the time T (min) during recording gauge, open draining valve and utilize measuring cup to pick out ponding until the position of ponding and the water level while starting timing overlap, the water yield V that record flows out 1(m 3);
(6) observe and record the reading P (Pa) of micro pressure meter, the amount of gas V that utilizes following formula to calculate to newly increase in VERTICAL TUBE 2(m 3): V 2=(P/P 0-1) V, P in formula 0for atmospheric pressure (Pa);
(7) utilize formula Q w=V 1/ T and Q a=V 2/ T can calculate respectively the water flow Q of surveyed douche w(m 3/ min) and go out airshed Q a(m 3/ min);
(8) according to step (1) to (7), can calculate the water flow Q of n douche w1, Q w2, Q w3... Q wnwith go out airshed Q a1, Q a2, Q a3... Q an;
(9) calculate the water outlet average discharge of the n that surveys douche
Figure 2013105547119100002DEST_PATH_DEST_PATH_IMAGE001
,
(10) calculate the average discharge of giving vent to anger of the n that surveys douche
Figure DEST_PATH_DEST_PATH_IMAGE003
,
Figure 2013105547119100002DEST_PATH_DEST_PATH_IMAGE004
;
(11) calculate the water flow mean difference of the n that surveys douche
Figure DEST_PATH_DEST_PATH_IMAGE005
,
Figure DEST_PATH_DEST_PATH_IMAGE006
;
(12) that calculates the n that surveys douche goes out airshed mean difference
Figure 2013105547119100002DEST_PATH_DEST_PATH_IMAGE007
,
Figure DEST_PATH_DEST_PATH_IMAGE008
;
(13) result according to step (9) and (11) can calculate water yield uniformity coefficient
Figure 2013105547119100002DEST_PATH_DEST_PATH_IMAGE009
,
Figure DEST_PATH_DEST_PATH_IMAGE010
;
(14) result according to step (10) and (12) can calculate tolerance uniformity coefficient ,
Figure DEST_PATH_DEST_PATH_IMAGE012
.
Compared with the prior art a kind of oxygen System and method for that gas goes out to flow uniformity coefficient of pouring water of measuring of the present invention has outstanding substantive distinguishing features and marked improvement, the measuring system that the present invention proposes and method can be measured aqueous vapor simultaneously and go out to flow uniformity coefficient, and it is consistent with practical application that aqueous vapor goes out the boundary condition of stream, thereby there is higher efficiency and precision more accurately.
Accompanying drawing explanation:
Fig. 1 is the structural representation of measuring unit of the present invention;
Fig. 2 is instrumentation plan of the present invention.
Embodiment:
For Comprehension and Implementation better, below in conjunction with accompanying drawing, provide specific embodiment and describe the present invention in detail; Illustrated embodiment is only for explaining the present invention, not for limiting the scope of the invention.
Embodiment 1, referring to Fig. 1,2, adopt transparent duroplasts or organic glass to make measuring tank 1, Material Strength should guarantee that measuring tank 1 is indeformable in observation process, and measuring tank 1 can hold soil, moisture and gas, measuring tank 1 is inverted T shape, by horizontal tube 7 and VERTICAL TUBE 8, be connected and formed, horizontal tube 7 is consistent with the caliber of VERTICAL TUBE 8, and the length of horizontal tube 7 is slightly less than the spacing of the douche water delivering orifice 10 of drip irrigation pipe 9 to be measured, caliber is 5 ~ 10cm, and the length of VERTICAL TUBE 8 is 25cm left and right; In VERTICAL TUBE 8 upper port, install sealing-plug 4 sealings, micro pressure meter 2 is communicated with VERTICAL TUBE 8 by upper sealing-plug 4, be used for measuring the pressure of measuring tank 1 inner sealing gas, at two of 7 left and right of horizontal tube port, left sealing- plug 5 and 6 sealings of right sealing-plug are installed respectively, draining valve 3 is installed in bottom in VERTICAL TUBE 8, is used for discharging the ponding in measuring tank; Form measuring unit of the present invention, according to design needs, by N the consistent measuring unit of specification, form the measurement oxygen gas of pouring water and go out to flow the system of uniformity coefficient.
[0016] adopt system of the present invention, measure the oxygen gas of pouring water and go out to flow the method for uniformity coefficient, its step is as follows:
(1) drip irrigation pipe to be measured is passed through to the left sealing-plug of n measuring unit and the horizontal tube that right sealing-plug passes measuring tank, in horizontal tube, only remain with a douche water delivering orifice, douche water delivering orifice is in the centre position of horizontal tube, Open Side Down, and left sealing-plug is airtight, water-tight with the border seal that drip irrigation pipe and horizontal tube contact with right sealing-plug;
(2) pull up the upper sealing-plug of VERTICAL TUBE and the micro pressure meter of upper company thereof of each measuring unit, experiment soil used is filled in measuring tank uniformly by VERTICAL TUBE, soil filling arrives the draining valve top 3cm of VERTICAL TUBE;
(3) to drip irrigation pipe supply gas-vapor mix fluid, start oxygen and fill with;
(4) when there is the ponding of 1 ~ 3cm thickness in the soil surface in measuring unit VERTICAL TUBE, the position of the ponding face of good each measuring unit of record of selecting a good opportunity, and use sealing-plug VERTICAL TUBE is sealed, calculate the now volume V (m of the gas of VERTICAL TUBE inner sealing 3), start timing simultaneously;
(5) when timing reaches 30min or long-pending water surface elevation reaches 15cm, with being as the criterion of arriving first, irrigation stops, and the time T (min) during recording gauge, open draining valve and utilize measuring cup to pick out ponding until the position of ponding and the water level while starting timing overlap, the water yield V that record flows out 1(m 3);
(6) observe and record the reading P (Pa) of micro pressure meter, the amount of gas V that utilizes following formula to calculate to newly increase in VERTICAL TUBE 2(m 3): V 2=(P/P 0-1) V, P in formula 0for atmospheric pressure (Pa);
(7) utilize formula Q w=V 1/ T and Q a=V 2/ T can calculate respectively the water flow Q of surveyed douche w(m 3/ min) and go out airshed Q a(m 3/ min);
(8) according to step (1) to (7), can calculate the water flow Q of n douche w1, Q w2, Q w3... Q wnwith go out airshed Q a1, Q a2, Q a3... Q an;
(9) calculate the water outlet average discharge of the n that surveys douche
Figure DEST_PATH_566973DEST_PATH_IMAGE001
,
Figure DEST_PATH_457569DEST_PATH_IMAGE002
(10) calculate the average discharge of giving vent to anger of the n that surveys douche ,
Figure DEST_PATH_863460DEST_PATH_IMAGE004
;
(11) calculate the water flow mean difference of the n that surveys douche ,
Figure DEST_PATH_736049DEST_PATH_IMAGE006
;
(12) that calculates the n that surveys douche goes out airshed mean difference ,
Figure DEST_PATH_800137DEST_PATH_IMAGE008
;
(13) result according to step (9) and (11) can calculate water yield uniformity coefficient
Figure DEST_PATH_449424DEST_PATH_IMAGE009
,
Figure DEST_PATH_314612DEST_PATH_IMAGE010
;
(14) result according to step (10) and (12) can calculate tolerance uniformity coefficient
Figure DEST_PATH_453469DEST_PATH_IMAGE011
, .

Claims (6)

1. measure the oxygen gas of pouring water and go out to flow the system of uniformity coefficient for one kind, this system consists of N the consistent measuring unit of specification, the main body of each measuring unit is measuring tank (1), it is characterized in that, described measuring tank (1) is inverted T shape, by horizontal tube (7) and VERTICAL TUBE (8), be connected and form, VERTICAL TUBE (8) upper port is sealed by upper sealing-plug (4), micro pressure meter (2) communicates with VERTICAL TUBE (8) by upper sealing-plug (4), and two ports in horizontal tube (7) left and right are established respectively left sealing-plug (5) and right sealing-plug (6); Draining valve (3) is established in the bottom of described VERTICAL TUBE (8).
2. a kind of oxygen gas of pouring water of measuring according to claim 1 goes out to flow the system of uniformity coefficient, it is characterized in that, the horizontal tube of described measuring unit (7) is consistent with the caliber of VERTICAL TUBE (8), and caliber is 5 ~ 10cm.
3. a kind of oxygen gas of pouring water of measuring according to claim 1 goes out to flow the system of uniformity coefficient, it is characterized in that, the length of the horizontal tube of described measuring unit (7) is less than the spacing of to be measured capillary watering device water delivering orifice.
4. a kind of oxygen gas of pouring water of measuring according to claim 1 goes out to flow the system of uniformity coefficient, it is characterized in that, the length of the VERTICAL TUBE of described measuring unit (8) is 25cm.
5. a kind of oxygen gas of pouring water of measuring according to claim 1 goes out to flow the system of uniformity coefficient, it is characterized in that, the measuring tank of described measuring unit (1) is the transparent material of duroplasts or organic glass, and Material Strength should be guaranteed in observation process indeformable.
6. any one that adopts the claims 1-5 measured oxygen gas of pouring water and gone out to flow the method for the system of uniformity coefficient, it is characterized in that, comprises the following steps:
(1) drip irrigation pipe to be measured is passed through to the left sealing-plug of N measuring unit and the horizontal tube that right sealing-plug passes measuring tank, in horizontal tube, only remain with a douche water delivering orifice, douche water delivering orifice is in the centre position of horizontal tube, Open Side Down, and left sealing-plug is airtight, water-tight with the border seal that drip irrigation pipe and horizontal tube contact with right sealing-plug;
(2) pull up the upper sealing-plug of VERTICAL TUBE and the micro pressure meter of upper company thereof of each measuring unit, experiment soil used is filled in measuring tank uniformly by VERTICAL TUBE, soil filling arrives the draining valve top 3cm of VERTICAL TUBE;
(3) to drip irrigation pipe supply gas-vapor mix fluid, start oxygen and fill with;
(4) when there is the ponding of 1 ~ 3cm thickness in the soil surface in the VERTICAL TUBE of measuring unit, the position of the ponding face of good each measuring unit of record of selecting a good opportunity, and use sealing-plug VERTICAL TUBE is sealed, calculate the now volume V (m of the gas of VERTICAL TUBE inner sealing 3), start timing simultaneously;
(5) when timing reaches 30min or long-pending water surface elevation reaches 15cm, with being as the criterion of arriving first, irrigation stops, and the time T (min) during recording gauge, open draining valve and utilize measuring cup to pick out ponding until the position of ponding and the water level while starting timing overlap, the water yield V that record flows out 1(m 3);
(6) observe and record the reading P (Pa) of micro pressure meter, the amount of gas V that utilizes following formula to calculate to newly increase in VERTICAL TUBE 2(m 3): V 2=(P/P 0-1) V, P in formula 0for atmospheric pressure (Pa);
(7) utilize formula Q w=V 1/ T and Q a=V 2/ T can calculate respectively the water flow Q of surveyed douche w(m 3/ min) and go out airshed Q a(m 3/ min);
(8) according to step (1) to (7), can calculate the water flow Q of n douche w1, Q w2, Q w3... Q wnwith go out airshed Q a1, Q a2, Q a3... Q an;
(9) calculate the water outlet average discharge of the n that surveys douche ,
Figure DEST_PATH_134746DEST_PATH_IMAGE002
;
(10) calculate the average discharge of giving vent to anger of the n that surveys douche ,
Figure DEST_PATH_DEST_PATH_IMAGE004
;
(11) calculate the water flow mean difference of the n that surveys douche
Figure DEST_PATH_452912DEST_PATH_IMAGE005
, ;
(12) that calculates the n that surveys douche goes out airshed mean difference
Figure DEST_PATH_DEST_PATH_IMAGE007
,
Figure DEST_PATH_533050DEST_PATH_IMAGE008
;
(13) result according to step (9) and (11) can calculate water yield uniformity coefficient
Figure DEST_PATH_DEST_PATH_IMAGE009
, ;
(14) result according to step (10) and (12) can calculate tolerance uniformity coefficient
Figure DEST_PATH_DEST_PATH_IMAGE011
,
Figure DEST_PATH_509413DEST_PATH_IMAGE012
.
CN201310554711.9A 2013-11-11 2013-11-11 A kind of oxygen gas of pouring water of measuring goes out to flow the System and method for of uniformity coefficient Expired - Fee Related CN103727992B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106941135A (en) * 2017-04-11 2017-07-11 武汉华星光电技术有限公司 The method for repairing and mending and organic electroluminescence display panel of a kind of organic electroluminescence display panel
JP7244153B1 (en) * 2022-11-28 2023-03-22 日本スプライススリーブ株式会社 Mortar unfilled volume measuring device for mortar filled rebar joints

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2696310Y (en) * 2004-03-16 2005-05-04 康绍忠 Irrigation system capable of alternatively drip irrigating root part of fruit tree
US20080233600A1 (en) * 2004-02-06 2008-09-25 Universite De Liege Method and Kit for the Measurement of Neutrophil Cell Activation
CN202012689U (en) * 2011-03-07 2011-10-19 广东联塑科技实业有限公司 Three-way pipe fitting for drop irrigation
CN202066767U (en) * 2011-03-04 2011-12-07 广东达华节水科技股份有限公司 Soil moisture induction instrument
CN102323103A (en) * 2011-08-12 2012-01-18 张振华 Method for quantitatively diagnosing underground drip irrigation plugging degree in situ based on steady ventilation principle and system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080233600A1 (en) * 2004-02-06 2008-09-25 Universite De Liege Method and Kit for the Measurement of Neutrophil Cell Activation
CN2696310Y (en) * 2004-03-16 2005-05-04 康绍忠 Irrigation system capable of alternatively drip irrigating root part of fruit tree
CN202066767U (en) * 2011-03-04 2011-12-07 广东达华节水科技股份有限公司 Soil moisture induction instrument
CN202012689U (en) * 2011-03-07 2011-10-19 广东联塑科技实业有限公司 Three-way pipe fitting for drop irrigation
CN102323103A (en) * 2011-08-12 2012-01-18 张振华 Method for quantitatively diagnosing underground drip irrigation plugging degree in situ based on steady ventilation principle and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106941135A (en) * 2017-04-11 2017-07-11 武汉华星光电技术有限公司 The method for repairing and mending and organic electroluminescence display panel of a kind of organic electroluminescence display panel
JP7244153B1 (en) * 2022-11-28 2023-03-22 日本スプライススリーブ株式会社 Mortar unfilled volume measuring device for mortar filled rebar joints

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