CN104365253A - Constant pressure device - Google Patents
Constant pressure device Download PDFInfo
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- CN104365253A CN104365253A CN201410557547.1A CN201410557547A CN104365253A CN 104365253 A CN104365253 A CN 104365253A CN 201410557547 A CN201410557547 A CN 201410557547A CN 104365253 A CN104365253 A CN 104365253A
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Abstract
The invention provides a constant pressure device, relating to the technical field of water pumps. The constant pressure device comprises a sealing tank, a barometer, a current limiting mechanism and a frequency converter, wherein the sealing tank is communicated with a liquid inlet pipe for injecting liquid, and a liquid outlet pipe for discharging liquid; the liquid inlet pipe is provided with the current limiting mechanism for controlling injected liquid amount; the sealing tank is internally filled with gas; the barometer is used for measuring gas pressure in the sealing tank and conveying the gas pressure to the frequency converter; and the frequency converter is electrically connected with the current limiting mechanism, and the current limiting mechanism is adjusted according to the pressure change of the gas, so that the air pressure is constant. According to the constant pressure device provided by the invention, the problem that the output pressure of biogas slurry is not stable is solved.
Description
Technical field
The present invention relates to pump technology field, in particular to the constant-voltage equipment being applicable to natural pond liquid spray.
Background technology
Biogas generating pit mainly provides a kind of anaerobic environment, by organic substances such as ox, pig, chicken, rabbit and agricultural crop straws in this anaerobic environment, under the condition of certain temperature, humidity, acid-base value, by fermentable effect, produces biogas and natural pond liquid.
The main component of biogas is methane, and the product after Thorough combustion is carbonic acid gas and water, is a kind of free of contamination imflammable gas.Current people mainly utilize the combustibility of biogas to warm oneself, such as, biogas is passed into the boiler, cooking stove etc. that are applicable to biogas combustion.
Nutrient containing various plants growth in the liquid of natural pond, abundant amino acid and various somatotropin, vitamin etc., research proves, the waste material that natural pond liquid can be used as crops uses, different from common chemical fertilizer, and natural pond liquid applies the excessive harm such as burning seedling that also can not produce, and there is certain deinsectization effect, be a kind of ideal fertilizer.
But, natural pond liquid is the product after biogas generating pit fermentation, disposable output is not high, current irrigation technique cannot be suitable for, again because the composition of natural pond liquid changes with the organic matter difference in biogas generating pit, cause the density of natural pond liquid unstable, therefore, existing water pump cannot export the natural pond liquid of constant pressure, and then natural pond liquid cannot be realized to spray uniformly on crops.Therefore, based on utilizing difficulty large for natural pond liquid, natural pond liquid is generally directly got rid of by people, causes the waste of resource.
Based on this, the invention provides a kind of constant-voltage equipment that can realize natural pond liquid constant-pressure and export, to break through the bottleneck of natural pond liquid application.
Summary of the invention
A kind of constant-voltage equipment is the object of the present invention is to provide to put, to solve the problem of natural pond liquid output pressure instability.
Based on above-mentioned purpose, the invention provides a kind of constant-voltage equipment, comprise hermetically sealed can, barometer, current-limiting mechanism and frequency converter;
Described hermetically sealed can is communicated with the liquid-in pipe for injecting liquid and the drain pipe for discharging liquid, and described liquid-in pipe is provided with the current-limiting mechanism for controlling the injection liquid scale of construction;
Be filled with gas in described hermetically sealed can, the gas pressure in hermetically sealed can described in described barometric surveying, and described gas pressure is delivered to described frequency converter;
Described frequency converter is electrically connected with described current-limiting mechanism, according to the described current-limiting mechanism of pressure change adjustment of described gas, makes air pressure constant.
Optionally, described current-limiting mechanism is automatic valve, and described frequency converter is according to the opening degree of the described automatic valve of pressure change adjustment of described gas.
Optionally, described current-limiting mechanism is pump, and described frequency converter is according to the pump core rotating speed of the described pump of pressure change adjustment of described gas.
Optionally, described liquid-in pipe and described drain pipe are respectively arranged with manually-operated gate.
Optionally, the caliber of described liquid-in pipe is greater than the caliber of described drain pipe.
Optionally, described liquid-in pipe is communicated with natural pond liquid pool, for extracting natural pond liquid.
Optionally, described drain pipe is connected with spray head.
Optionally, be connected with tapping pipe bottom described hermetically sealed can, described tapping pipe is provided with manually-operated gate.
Optionally, described hermetically sealed can top is provided with air bleeding valve.
Optionally, also comprise base, described hermetically sealed can is sat and is contained on described base.
A kind of constant-voltage equipment that the embodiment of the present invention provides, comprises hermetically sealed can, barometer, current-limiting mechanism and frequency converter; Hermetically sealed can connects liquid-in pipe and drain pipe respectively, liquid-in pipe is utilized to inject liquid in hermetically sealed can, gas is contained in hermetically sealed can, measure the change of tank internal gas pressure in real time by barometer, this air pressure change gets final product the change of hydraulic pressure in retort, and frequency converter adjusts current-limiting mechanism in real time by air pressure change, the injection liquid scale of construction of liquid-in pipe is controlled by current-limiting mechanism, constant to realize tank internal gas pressure, and then ensure that in tank, hydraulic pressure is constant, the output hydraulic pressure realized in drain pipe certain distance is constant.For the natural pond liquid of density instability, by constant-voltage equipment of the present invention, the constant voltage that can realize natural pond liquid to a certain extent exports, and is sprayed uniformly on crops by natural pond liquid.
Accompanying drawing explanation
Fig. 1 shows the axis of no-feathering mapping of the embodiment of constant-voltage equipment of the present invention;
Fig. 2 shows the elevational schematic of the embodiment of constant-voltage equipment of the present invention.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Constant-voltage equipment embodiment
This embodiment offers a kind of constant-voltage equipment, see figures.1.and.2, wherein figure 1 illustrate the axonometric drawing of this embodiment, Fig. 2 shows the elevational schematic of this embodiment.This constant-voltage equipment comprises hermetically sealed can 100, barometer 200, current-limiting mechanism 300 and frequency converter 400.Adopt converter technique to control air pressure, and then ensure that pot liquid constant voltage exports, to be applicable to the natural pond liquid of density instability, by its uniform and stable spray on crops.
Specifically, described hermetically sealed can 100 is communicated with the liquid-in pipe 110 for injecting liquid and the drain pipe 120 for discharging liquid, and described liquid-in pipe 110 is provided with the current-limiting mechanism 300 for controlling the injection liquid scale of construction; Be filled with gas in described hermetically sealed can 100, described barometer 200 measures the gas pressure in described hermetically sealed can 100, and described gas pressure is delivered to described frequency converter 400; Described frequency converter 400 is electrically connected with described current-limiting mechanism 300, according to the described current-limiting mechanism 300 of pressure change adjustment of described gas, makes air pressure constant.
Described barometer 200 is arranged on the top of described hermetically sealed can 100, the larger natural pond liquid level of density is in the cavity lower area of described hermetically sealed can 100, the sensor element of described barometer 200 is arranged in the cavity of more than liquid level, the accuracy affecting barometric surveying to prevent from touching liquid.
Described frequency converter 400 connects barometer 200 and current-limiting mechanism 300 respectively, the measurement numerical value of described frequency converter 400 real-time reception barometer 200, according to this numerical value, converter technique is adopted to adjust the degree of flow restriction of current-limiting mechanism 300 in real time, control the injection liquid scale of construction of liquid-in pipe 110, to guarantee the stable gas pressure in hermetically sealed can 100, and then control the constant pressure of the natural pond liquid in described hermetically sealed can 100, with in the certain distance realizing drain pipe 120 roughly constant voltage export natural pond liquid, natural pond liquid is sprayed uniformly on crops.Obviously, the natural pond liquid that this constant voltage exports, also other operating environments outside spray are applicable to, such as, after can being adjusted to certain pressure value, utilize natural pond liquid to rinse the hutch ground of the livestocks such as pig, cattle and sheep, the flushing liquor carrying a large amount of animal manure material etc. is sent into biogas generating pit, as the organic matter raw material of biogas and natural pond liquid, realize resource circulation utilization.
In the possibility of this embodiment, described current-limiting mechanism 300 is automatic valve, described frequency converter 400, according to the opening degree of the described automatic valve of pressure change adjustment of described gas, by the opening degree of described automatic valve, controls influx and the inflow velocity of natural pond liquid.Adopt automatic valve, on the basis of guaranteeing pressure regulation, reduce the cost of constant-voltage equipment.
In another possibility of this embodiment, described current-limiting mechanism 300 is pump, and described frequency converter 400, according to the pump core rotating speed of the described pump of pressure change adjustment of described gas, controls influx and the inflow velocity of natural pond liquid.Adopt pump to match with converter technique, on the basis of pressure regulation, utilize the pump pressure of pump, the natural pond liquid of relative high pressure can be provided to export, to be applicable to the operations such as aforesaid hutch ground flushing, expand the scope of application of this constant-voltage equipment.
Described liquid-in pipe 110 and described drain pipe 120 are respectively arranged with manually-operated gate 121.When concrete operation, once the automatic component generation power failure such as converter technique and current-limiting mechanism 300, by manually adjusting manually-operated gate 121, roughly adjust hydraulic pressure, and realize by manually opening and closing this constant-voltage equipment.
In the another possibility of this embodiment, the caliber of described liquid-in pipe 110 is greater than the caliber of described drain pipe 120.Utilize caliber difference to improve the pressure of hydrojet, reduce the force value requirement in hermetically sealed can 100 to a certain extent, reduce equipment cost and power consumption, improve energy-saving effect.
When utilizing this constant-voltage equipment to carry out natural pond liquid constant-pressure spray operation, described liquid-in pipe 110 is communicated with natural pond liquid pool, for extracting natural pond liquid.Meanwhile, described drain pipe 120 is connected with spray head, chooses the spray head of different model, meets different to treat that spray crops are to the requirement of spraying effect.
Be connected with tapping pipe 130 bottom described hermetically sealed can 100, described tapping pipe 130 is provided with manually-operated gate 121, and when needing to safeguard, artificial unlatching manually-operated gate 121, gets rid of the liquid in described hermetically sealed can 100, be convenient to carry out inspection and maintenance to hermetically sealed can 100.Preferably, described hermetically sealed can 100 top is provided with air bleeding valve 140, opens air bleeding valve 140 and is conducive to getting rid of liquid by the tapping pipe 130 of bottom, and in the constant-voltage equipment course of work, by described air bleeding valve 140 auxiliary adjustment tank internal gas pressure, and then the fluid pressure in auxiliary adjustment tank.
In the possibility of this embodiment, described constant-voltage equipment also comprises base 500, described hermetically sealed can 100 is sat and is contained on described base 500, improve the steadiness of this constant-voltage equipment, and by described base 500 by unsettled for described hermetically sealed can 100, prevent hermetically sealed can 100 from touching ground liquids etc. and corrosion is caused to tank wall.
It should be noted that; this embodiment is described for natural pond liquid; but; this constant-voltage equipment is on the basis of not change structure; be equally applicable to the liquid of color density instability, and be applicable to density stabilized liquid, therefore; for the application of other liquid, also belong to the protection domain of this invention.
Application Example
For clearer explanation technical scheme of the present invention, below for natural pond liquid, the application of this constant-voltage equipment is described:
1, the constant-voltage equipment disclosed in aforesaid constant-voltage equipment embodiment is erected on operation table top, is preferably arranged on the position closing on biogas generating pit, and sets the constant pressure value of frequency converter;
2, liquid-in pipe is communicated with biogas generating pit, drain pipe is extended and is arranged in crops place to be sprayed, or being arranged in hutch place to be rinsed;
3, open this constant-voltage equipment, in hermetically sealed can, inject natural pond liquid by liquid-in pipe, after reaching constant pressure value, manually or automatically open drain pipe, start perform spray or rinse operation;
4, in spray or flushing operation process, the atmospheric pressure value change of the detection hermetically sealed can that piezometer is real-time, the change of frequency converter foundation lid force value adjusts the current-limiting mechanism of liquid-in pipe in real time, guarantees that the certain distance of drain pipe is interior and keeps constant voltage output natural pond liquid;
5, after spraying the end of job, close the component of frequency converter, open relief valve and drainpipe, drain the natural pond liquid in hermetically sealed can, can rinse hermetically sealed can and overhaul if needed.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a constant-voltage equipment, is characterized in that, comprises hermetically sealed can, barometer, current-limiting mechanism and frequency converter;
Described hermetically sealed can is communicated with the liquid-in pipe for injecting liquid and the drain pipe for discharging liquid, and described liquid-in pipe is provided with the current-limiting mechanism for controlling the injection liquid scale of construction;
Be filled with gas in described hermetically sealed can, the gas pressure in hermetically sealed can described in described barometric surveying, and described gas pressure is delivered to described frequency converter;
Described frequency converter is electrically connected with described current-limiting mechanism, according to the described current-limiting mechanism of pressure change adjustment of described gas, makes air pressure constant.
2. constant-voltage equipment according to claim 1, is characterized in that, described current-limiting mechanism is automatic valve, and described frequency converter is according to the opening degree of the described automatic valve of pressure change adjustment of described gas.
3. constant-voltage equipment according to claim 1, is characterized in that, described current-limiting mechanism is pump, and described frequency converter is according to the pump core rotating speed of the described pump of pressure change adjustment of described gas.
4. the constant-voltage equipment according to any one of claim 1-3, is characterized in that, described liquid-in pipe and described drain pipe are respectively arranged with manually-operated gate.
5. the constant-voltage equipment according to any one of claim 1-3, is characterized in that, the caliber of described liquid-in pipe is greater than the caliber of described drain pipe.
6. constant-voltage equipment according to claim 5, is characterized in that, described liquid-in pipe is communicated with natural pond liquid pool, for extracting natural pond liquid.
7. constant-voltage equipment according to claim 6, is characterized in that, described drain pipe is connected with spray head.
8. the constant-voltage equipment according to any one of claim 1-3, is characterized in that, is connected with tapping pipe bottom described hermetically sealed can, and described tapping pipe is provided with manually-operated gate.
9. constant-voltage equipment according to claim 8, is characterized in that, described hermetically sealed can top is provided with air bleeding valve.
10. constant-voltage equipment according to claim 9, is characterized in that, also comprises base, and described hermetically sealed can is sat and is contained on described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557547.1A CN104365253A (en) | 2014-10-20 | 2014-10-20 | Constant pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557547.1A CN104365253A (en) | 2014-10-20 | 2014-10-20 | Constant pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104365253A true CN104365253A (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557547.1A Pending CN104365253A (en) | 2014-10-20 | 2014-10-20 | Constant pressure device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107548657A (en) * | 2017-09-16 | 2018-01-09 | 扬州大学 | Floatage-type constant pressure fertilizer applicator and its application process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1399177A (en) * | 2002-09-06 | 2003-02-26 | 阎华� | Direct liquid level controlling system with single-loop pump |
| CN201194481Y (en) * | 2008-04-16 | 2009-02-18 | 刘凯 | Methane liquid collecting and spraying apparatus |
| CN102123796A (en) * | 2008-09-12 | 2011-07-13 | Kdf株式会社 | Water-spouting device |
| US20140060402A1 (en) * | 2012-09-06 | 2014-03-06 | Cnh America Llc | Storage tank mounting arrangement for an agricultural implement |
| CN203691930U (en) * | 2014-01-20 | 2014-07-09 | 江西省汇得能生态科技发展有限公司 | Automatic biogas slurry irrigation device |
-
2014
- 2014-10-20 CN CN201410557547.1A patent/CN104365253A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1399177A (en) * | 2002-09-06 | 2003-02-26 | 阎华� | Direct liquid level controlling system with single-loop pump |
| CN201194481Y (en) * | 2008-04-16 | 2009-02-18 | 刘凯 | Methane liquid collecting and spraying apparatus |
| CN102123796A (en) * | 2008-09-12 | 2011-07-13 | Kdf株式会社 | Water-spouting device |
| US20140060402A1 (en) * | 2012-09-06 | 2014-03-06 | Cnh America Llc | Storage tank mounting arrangement for an agricultural implement |
| CN203691930U (en) * | 2014-01-20 | 2014-07-09 | 江西省汇得能生态科技发展有限公司 | Automatic biogas slurry irrigation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107548657A (en) * | 2017-09-16 | 2018-01-09 | 扬州大学 | Floatage-type constant pressure fertilizer applicator and its application process |
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Application publication date: 20150225 |