CN110975382B - Hydraulic control variable-precision laminated filter and operation process thereof - Google Patents
Hydraulic control variable-precision laminated filter and operation process thereof Download PDFInfo
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- CN110975382B CN110975382B CN201911211434.5A CN201911211434A CN110975382B CN 110975382 B CN110975382 B CN 110975382B CN 201911211434 A CN201911211434 A CN 201911211434A CN 110975382 B CN110975382 B CN 110975382B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000008569 process Effects 0.000 title claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 94
- 238000003475 lamination Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 239000002131 composite material Substances 0.000 claims description 31
- 239000010720 hydraulic oil Substances 0.000 claims description 19
- 239000012535 impurity Substances 0.000 claims description 17
- 239000003621 irrigation water Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012271 agricultural production Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
- B01D29/46—Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
Abstract
The invention discloses a hydraulically-controlled variable-precision laminated filter and an operation process thereof. The hydraulically controlled variable-precision laminated filter provided by the invention adjusts the working area of the lamination by adopting the hydraulic control piston, and finally achieves the effect of adjusting the filtering precision.
Description
Technical Field
The invention belongs to the technical field of agricultural water conservancy equipment, and particularly relates to a hydraulically-controlled variable-precision laminated filter and an operation process thereof.
Background
In agricultural production, the precision of the filter mainly depends on the impurity type and content of irrigation water, the impurity type and content have great difference in different periods and areas, the filter is rapidly blocked due to the adoption of undersize filtering precision, the filtering effect is deteriorated due to the adoption of oversized filtering precision, and the blockage of drippers on drip irrigation belts is obvious.
Disclosure of Invention
Aiming at the characteristic that the quality of irrigation water in agricultural production changes greatly along with the solar term, the invention provides a variable-precision laminated filter controlled by hydraulic pressure and an operation process thereof.
The invention is realized by the following technical scheme:
a hydraulically-controlled variable-precision laminated filter comprises a laminated filtering system, two piston rod cylinders and a hydraulic control system, wherein the laminated filtering system is used as a main body, the two piston rod cylinders are respectively arranged at the top and the bottom of the laminated filtering system, and the hydraulic control system is connected with the piston rod cylinders;
the lamination filtering system comprises a filtering shell and a lamination group, the lamination group is arranged in the filtering shell and close to the inner wall of the filtering shell, the side wall of the upper part of the filtering shell is horizontally provided with a water outlet, and the top and the bottom of the filtering shell are both provided with piston rod mounting ports which are respectively connected with a first piston rod cylinder and a second piston rod cylinder;
the first piston rod cylinder comprises a first hydraulic oil cylinder and a piston rod, the top of the first hydraulic oil cylinder is closed, the bottom of the first hydraulic oil cylinder is connected with a piston rod mounting port at the top of the filtering shell, the upper end and the lower end of the piston rod are respectively positioned in the first hydraulic oil cylinder and the filtering shell, and two pipeline interfaces are horizontally arranged on the side wall of the first hydraulic oil cylinder;
the second piston rod cylinder comprises a second hydraulic cylinder, a water cylinder and a composite piston rod, the top of the second hydraulic cylinder is connected with a piston rod mounting opening at the bottom of the filtering shell, the bottom of the second hydraulic cylinder is connected with the water cylinder, the composite piston rod is of a three-section structure, the upper end of the composite piston rod is located in the filtering shell, the middle section of the composite piston rod is located in the second hydraulic cylinder, the lower end of the composite piston rod is located in the water cylinder, two pipeline interfaces are horizontally arranged on the side wall of the second hydraulic cylinder, and a water inlet is formed in the bottom of the water cylinder;
the hydraulic control system comprises a hydraulic rubber tube, a three-position four-way valve, a hydraulic pump and a third hydraulic oil cylinder, wherein the third hydraulic oil cylinder is respectively connected with the hydraulic pump and the three-position four-way valve through the hydraulic rubber tube, the three-position four-way valve is connected with the pipeline interface through the hydraulic rubber tube, and the three-position four-way valve is connected with the hydraulic pump through the hydraulic rubber tube.
Preferably, the piston rod mounting port is connected with the piston rod and the composite piston rod through waterproof bearings, and a sealing ring is arranged on the piston.
Preferably, the lamination stack consists of laminations of different filtering precisions, and the filtering precisions of the laminations are gradually increased from top to bottom.
Preferably, the composite piston rod is a hollow shaft.
Preferably, the three-position four-way valve is a manual control valve.
An operation process of a hydraulically controlled variable-precision laminated filter comprises the following steps: the three-position four-way valve is provided with 4 interfaces and 3 kinds of neutral position functions, the water flow passage is adjusted by converting the neutral position functions, the X type and the H type are working functions, the directions of the water flow passages between the X type and the H type are opposite, the O type is a closed function, and water flow cannot pass through the three-position four-way valve;
(1) when water quality is filtered and separated, irrigation water enters the water tank from the water inlet of the piston propulsion device, the water entering the water tank enters the filtering shell of the laminated filtering system along the composite piston rod under the action of pressure and then flows out along the pores of the laminated stack, and impurities are intercepted by the laminated stack to realize the filtering function;
(2) when the impurity content in the filtered water is less, the particle size of the impurities is small, the filtering precision of the filtering system is larger, and the filtering system is not enough to meet the normal use, the hydraulic pump is started, the three-position four-way valve is positioned in an X shape, the piston rods of the first piston rod cylinder and the second piston rod cylinder and the composite piston rod are respectively pushed from bottom to top under the pushing of the oil pressure at the two sides of the piston, and the working area of the lamination group is turned to the area with higher filtering precision at the upper end, so that the filtering precision is improved, and;
(3) when the filtering precision of the filtering system meets the requirement of normal use, the hydraulic pump stops working, the three-position four-way valve is positioned in an O shape, and the piston rod and the composite piston rod are kept immovable;
(4) when filtering aquatic impurity content many, the impurity particle diameter is big, and filtration system filter fineness is less, when leading to filtration system to block up completely easily, the hydraulic pump starts, and the tribit cross valve is located the H type, and at the promotion of piston both sides oil pressure, the piston rod of first, second piston rod jar and combined type piston rod impel from top to bottom respectively, and lamination group's work area turns to the lower region of lower extreme filter fineness to realize filter fineness's reduction, avoid filtration system's complete jam.
The invention has the following beneficial effects:
aiming at the characteristic that the quality of irrigation water in agricultural production changes greatly along with solar terms and regions, the variable-precision laminated filter stacks the laminates with different filtering precisions in a descending order to form a variable-precision laminated group, and regulates and controls the feeding of a piston rod cylinder by combining a hydraulic control system, so that the adjustment of a lamination working area in the filtering system is realized, and finally, the method for regulating the filtering precision of the filter is realized. The internal structure of the piston rod is changed, the structure of the hollow pipe is adopted, so that the water inlet and the piston rod are integrated, various working conditions can be met by matching the water tank, and the structure is reasonable and reliable.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a variable-precision laminated filter;
fig. 2 is a hydraulic control schematic diagram of a hydraulically controlled variable precision laminated filter.
In the figure: 1. a filter housing; 2. a lamination stack; 3. a water outlet; 4. a piston rod mounting port; 5. a first hydraulic cylinder; 6. a piston rod; 7. a pipe interface; 8. a second hydraulic cylinder; 9. a composite piston rod; 10. a water vat; 11. a water inlet; 12. a three-position four-way valve; 13. a hydraulic pump; 14. a third hydraulic cylinder; 15. a hydraulic rubber hose.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples.
Example 1
The utility model provides a hydraulic control's variable precision lamination formula filter, as shown in fig. 1, 2, includes lamination filtration system, piston rod jar and hydraulic control system constitution, wherein, lamination filtration system is as the main part, the piston rod jar is two, sets up respectively in the top and the bottom of lamination filtration system, hydraulic control system with the piston rod jar links to each other.
As shown in fig. 1, the lamination filtering system includes a filtering shell 1 and a lamination stack 2, the lamination stack 2 is disposed inside the filtering shell 1 and close to an inner wall of the filtering shell 1, a water outlet 3 is horizontally disposed on a side wall of an upper portion of the filtering shell 1, and a piston rod mounting port 4 is disposed at a top and a bottom of the filtering shell 1 and respectively connected to a first piston rod cylinder and a second piston rod cylinder.
In a preferred embodiment, the stack 2 is made up of laminations with different filtering qualities, the filtering qualities of which increase from top to bottom.
The first piston rod cylinder comprises a first hydraulic oil cylinder 5 and a piston rod 6, the top of the first hydraulic oil cylinder 5 is closed, the bottom of the first hydraulic oil cylinder is connected with a piston rod mounting port 4 at the top of the filtering shell 1, the upper end and the lower end of the piston rod 6 are respectively positioned in the first hydraulic oil cylinder 5 and the filtering shell 1, and two pipeline connectors 7 are horizontally arranged on the side wall of the first hydraulic oil cylinder 5.
The second piston rod cylinder comprises a second hydraulic cylinder 8, a water cylinder 10 and a composite piston rod 9, the top of the second hydraulic cylinder 8 is connected with a piston rod mounting port 4 at the bottom of the filtering shell 1, the bottom of the second hydraulic cylinder is connected with the water cylinder 10, the composite piston rod 9 is of a three-section structure, the upper end of the composite piston rod is located in the filtering shell 1, the middle section of the composite piston rod is located in the second hydraulic cylinder 8, the lower end of the composite piston rod is located in the water cylinder 10, two pipeline interfaces 7 are horizontally arranged on the side wall of the second hydraulic cylinder 8, and a water inlet 11 is formed in the bottom of the water cylinder 10.
In a preferable scheme, the composite piston rod 9 adopts a hollow shaft and can play a role of water delivery by matching with the water cylinder 10.
According to the preferable scheme, the piston rod mounting port 4 is connected with the piston rod 6 and the composite piston rod 9 through waterproof bearings, and a sealing ring is arranged on a piston of the composite piston rod.
As shown in fig. 2, the hydraulic control system includes a hydraulic hose 15, a three-position four-way valve 12, a hydraulic pump 13 and a third hydraulic cylinder 14, the third hydraulic cylinder 14 is respectively connected to the hydraulic pump 13 and the three-position four-way valve 12 through the hydraulic hose 15, the three-position four-way valve 12 is connected to the pipeline interface 7 through the hydraulic hose 15, and the three-position four-way valve 12 is connected to the hydraulic pump 13 through the hydraulic hose 15.
In a preferred scheme, the hydraulic pump 13 is controlled manually through the three-position four-way valve 12, and functions to adjust the forward, backward and stop of the piston rod 6 and the compound piston rod 9 in the first and second piston rod cylinders.
Based on the variable-precision laminated filter controlled by the hydraulic pressure, the filtering process is as follows:
when carrying out water quality filtration separation, irrigation water enters into the jar 10 from piston advancing device's water inlet 11, and the water that enters into jar 10 enters into lamination filtration system's filtration casing 1 along combined type piston rod 9 under the effect of pressure in, later flows out along the hole of lamination group 2, and impurity then is intercepted by lamination group 2, realizes filterable function.
The three-position four-way valve 12 has 4 interfaces and 3 kinds of median functions, the water flow passage can be adjusted by converting the median functions, the X type and the H type are working functions, the directions of the water flow passages between the X type and the H type are opposite, the O type is a closed function, and the water flow cannot pass through the three-position four-way valve 12.
When the impurity content in the filtered water is less, the particle size of the impurities is small, the filtering precision of the filtering system is larger, and the normal use is not enough, the hydraulic pump 13 is started, the three-position four-way valve 12 is positioned in an X shape, the piston rods 6 of the first piston rod cylinder and the second piston rod cylinder and the composite piston rod 9 are respectively pushed from bottom to top under the pushing of the oil pressure at the two sides of the piston, and the working area of the lamination group 2 is turned to the area with higher filtering precision at the upper end, so that the filtering precision is improved, and the blocking risk of the; when the filtering precision of the filtering system meets the requirement of normal use, the hydraulic pump 13 stops working, the three-position four-way valve 12 is positioned in an O shape, and the piston rod 6 and the composite piston rod 9 are kept still; when impurity content is many in the filtration aquatic, the impurity particle diameter is big, filtration system filter fineness is less, when leading to filtration system to block up completely easily, hydraulic pump 13 starts, tribit cross valve 12 is located the H type, in the promotion of piston both sides oil pressure, piston rod 6 of first, second piston rod jar and combined type piston rod 9 impel from top to bottom respectively, lamination group's work area turns to the lower region of lower extreme filter fineness to realize filter fineness's reduction, avoid filtration system's complete jam.
The foregoing embodiments have shown and described the fundamental principles, principal features and advantages of the invention. However, the present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The hydraulically-controlled variable-precision laminated filter is characterized by comprising a laminated filtering system, two piston rod cylinders and a hydraulic control system, wherein the laminated filtering system is used as a main body, the two piston rod cylinders are respectively arranged at the top and the bottom of the laminated filtering system, and the hydraulic control system is connected with the piston rod cylinders;
the lamination filtering system comprises a filtering shell and a lamination group, the lamination group is arranged in the filtering shell and close to the inner wall of the filtering shell, the side wall of the upper part of the filtering shell is horizontally provided with a water outlet, and the top and the bottom of the filtering shell are both provided with piston rod mounting ports which are respectively connected with a first piston rod cylinder and a second piston rod cylinder; the first piston rod cylinder comprises a first hydraulic oil cylinder and a piston rod, the top of the first hydraulic oil cylinder is closed, the bottom of the first hydraulic oil cylinder is connected with a piston rod mounting port at the top of the filtering shell, the upper end and the lower end of the piston rod are respectively positioned in the first hydraulic oil cylinder and the filtering shell, and two pipeline interfaces are horizontally arranged on the side wall of the first hydraulic oil cylinder; the lamination group consists of laminations with different filtering precisions, and the filtering precisions of the laminations are gradually increased from top to bottom;
the second piston rod cylinder comprises a second hydraulic cylinder, a water cylinder and a composite piston rod, the top of the second hydraulic cylinder is connected with a piston rod mounting opening at the bottom of the filtering shell, the bottom of the second hydraulic cylinder is connected with the water cylinder, the composite piston rod is of a three-section structure, the upper end of the composite piston rod is located in the filtering shell, the middle section of the composite piston rod is located in the second hydraulic cylinder, the lower end of the composite piston rod is located in the water cylinder, two pipeline interfaces are horizontally arranged on the side wall of the second hydraulic cylinder, and a water inlet is formed in the bottom of the water cylinder;
the hydraulic control system comprises a hydraulic rubber tube, a three-position four-way valve, a hydraulic pump and a third hydraulic oil cylinder, wherein the third hydraulic oil cylinder is respectively connected with the hydraulic pump and the three-position four-way valve through the hydraulic rubber tube, the three-position four-way valve is connected with the pipeline interface through the hydraulic rubber tube, and the three-position four-way valve is connected with the hydraulic pump through the hydraulic rubber tube.
2. The hydraulically controlled variable-precision laminated filter according to claim 1, wherein the piston rod mounting port is connected with the piston rod and the composite piston rod through waterproof bearings, and a sealing ring is arranged on the piston.
3. The hydraulically controlled variable precision laminated filter according to claim 1, wherein the composite piston rod is a hollow shaft.
4. A hydraulically controlled variable precision stacked plate filter according to claim 1, wherein the three-position, four-way valve is a manually controlled valve.
5. The operation process of the hydraulically-controlled variable-precision laminated filter is characterized in that the three-position four-way valve has 4 interfaces and 3 kinds of neutral functions, the neutral function is converted to realize adjustment of a water flow path, the X type and the H type are working functions, the directions of the water flow paths between the X type and the H type are opposite, the O type is a closed function, and water flow cannot pass through the three-position four-way valve;
(1) when water quality is filtered and separated, irrigation water enters the water tank from the water inlet of the piston propulsion device, the water entering the water tank enters the filtering shell of the laminated filtering system along the composite piston rod under the action of pressure and then flows out along the pores of the laminated stack, and impurities are intercepted by the laminated stack to realize the filtering function;
(2) when the impurity content in the filtered water is less, the particle size of the impurities is small, the filtering precision of the filtering system is larger, and the filtering system is not enough to meet the normal use, the hydraulic pump is started, the three-position four-way valve is positioned in an X shape, the piston rods of the first piston rod cylinder and the second piston rod cylinder and the composite piston rod are respectively pushed from bottom to top under the pushing of the oil pressure at the two sides of the piston, and the working area of the lamination group is turned to the area with higher filtering precision at the upper end, so that the filtering precision is improved, and;
(3) when the filtering precision of the filtering system meets the requirement of normal use, the hydraulic pump stops working, the three-position four-way valve is positioned in an O shape, and the piston rod and the composite piston rod are kept immovable;
(4) when filtering aquatic impurity content many, the impurity particle diameter is big, and filtration system filter fineness is less, when leading to filtration system to block up completely easily, the hydraulic pump starts, and the tribit cross valve is located the H type, and at the promotion of piston both sides oil pressure, the piston rod of first, second piston rod jar and combined type piston rod impel from top to bottom respectively, and lamination group's work area turns to the lower region of lower extreme filter fineness to realize filter fineness's reduction, avoid filtration system's complete jam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211434.5A CN110975382B (en) | 2019-12-02 | 2019-12-02 | Hydraulic control variable-precision laminated filter and operation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211434.5A CN110975382B (en) | 2019-12-02 | 2019-12-02 | Hydraulic control variable-precision laminated filter and operation process thereof |
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| Publication Number | Publication Date |
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| CN110975382A CN110975382A (en) | 2020-04-10 |
| CN110975382B true CN110975382B (en) | 2021-04-13 |
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