CN215500471U

CN215500471U - Backwashing double-filtration water-fertilizer integrated machine

Info

Publication number: CN215500471U
Application number: CN202121749956.3U
Authority: CN
Inventors: 高建铮
Original assignee: Hebei Runnong Water Saving Technology Co ltd
Current assignee: Hebei Runnong Water Saving Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-14
Anticipated expiration: 2031-07-29

Abstract

A backwashing double-filtration water-fertilizer integrated machine comprises a centrifugal tank, a sand settling tank, a backwashing system, a net filter, a Venturi fertilizer applicator, a fertilizer pump, a chassis support and a controller, wherein the sand settling tank and the fertilizer pump are fixed on the chassis support, a sand outlet at the bottom of the centrifugal tank is connected with the sand settling tank, a water outlet at the top is connected with a water outlet pipeline, the tail end of the water outlet pipeline is connected with a first transverse water pipe with two blocked ends, the backwashing system is connected between the first transverse water pipe and the net filter, a water outlet of the net filter is connected to a second transverse water pipe with two blocked ends, the second transverse water pipe is connected with an irrigation pipeline and a fertilizer application pipeline, the fertilizer main pipeline is connected with the Venturi fertilizer applicator, a fertilizer outlet pipeline of the Venturi fertilizer applicator is connected with the fertilizer pump, a fertilizer outlet of the fertilizer pump is connected with the first transverse water pipe, and the fertilizer pump and the backwashing system are connected with the controller. The filtering system and the fertilizing system are integrated, and the filtering process and the fertilizing process are controlled by the same controller, so that the waste of fertilizer liquid is effectively avoided.

Description

Backwashing double-filtration water-fertilizer integrated machine

Technical Field

The utility model relates to a water and fertilizer integrated machine, in particular to a backwashing double-filtering water and fertilizer integrated machine.

Background

At present, the water and fertilizer all-in-one machine is used in the water-saving irrigation industry, and in order to prevent equipment such as a water outlet dripper and a spray head at the tail end of an irrigation system from being blocked, a head system is additionally provided with a filtering device and a fertilizing device which are respectively controlled by an independent controller. The working process is as follows: after the water source passes through the filtering equipment, filtered clean water is provided for the fertilizer applicator, and the mixed liquid is injected into the filtering equipment after the water soluble fertilizer is sucked by the fertilizer applicator. The existing filter and fertilizer applicator occupy large floor area and have high cost; in addition, the integrated cooperative control cannot be realized, when the fertilizer liquid is injected into the filtering equipment, the filtering equipment may execute a back washing program, and at the moment, the fertilizer liquid is discharged out of the head system along with the sewage discharge pipe, so that the fertilizer liquid is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a backwashing double-filtration water and fertilizer integrated machine, wherein a filtration system and a fertilization system are integrated into a whole, and the filtration process and the fertilization process are controlled by the same controller, so that the waste of fertilizer liquid is effectively avoided.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a backwashing double-filtration water-fertilizer all-in-one machine comprises a centrifugal tank, a sand settling tank, a backwashing system, a screen filter, a Venturi fertilizer applicator, a fertilizer application pump, a chassis support and a controller, wherein the sand settling tank and the fertilizer application pump are fixed on the chassis support, a sand outlet at the bottom of the centrifugal tank is connected with a sand inlet at the upper part of the sand settling tank, a water outlet at the top of the sand settling tank is connected with a water outlet pipeline, the tail end of the water outlet pipeline is connected with a first transverse water pipe with two blocked ends, the backwashing system is connected between the first transverse water pipe and the screen filter, the screen filter comprises a first screen filter and a second screen filter which are arranged in parallel, the water outlets of the first screen filter and the second screen filter are connected to a second transverse water pipe with two blocked ends, and the second transverse water pipe is connected with an irrigation main pipeline and a fertilizer application pipeline, fertilization pipeline is connected with the venturi fertilizer applicator, the fertile pipeline of venturi fertilizer applicator with the fertilization pump is connected, the play fertilizer mouth of fertilization pump with first horizontal water piping connection, fertilization pump and back flush system all with the controller is connected.

The backwashing system comprises a first backwashing valve, a second backwashing valve, a differential pressure gauge, a first electromagnetic head and a second electromagnetic head, wherein the first backwashing valve and the second backwashing valve are two three-way valves, a high-pressure tapping port is arranged on a first transverse water pipe, a low-pressure tapping port is arranged on an irrigation main pipeline, the high-pressure tapping port, the differential pressure gauge and the low-pressure tapping port are sequentially connected through pipelines, the high-pressure tapping port is also connected with water inlets of the first electromagnetic head and the second electromagnetic head through air pipes respectively, first water outlets of the first electromagnetic head and the second electromagnetic head are respectively connected with the top ends of the first backwashing valve and the second backwashing valve, drain outlets of the first backwashing valve and the second backwashing valve are connected with a drain pipe, and second water outlets of the first electromagnetic head and the second electromagnetic head are connected with the drain pipe through a drain pipe, and the differential pressure meter, the first electromagnetic head and the second electromagnetic head are all connected with a controller.

Above-mentioned two filtration liquid manure all-in-one of back flush, the parallelly connected three that is provided with of venturi fertilizer applicator, three play fertile mouth through same fertile pipeline with the fertilization pump is connected, the fertile pipeline of inhaling of venturi fertilizer applicator is last from lower supreme electromagnetic diaphragm valve, the manual governing valve of diaphragm and the rotor flow meter of having set gradually, electromagnetic diaphragm valve with the controller is connected, rotor flow meter one end is connected with the fertilization bucket.

Above-mentioned two filtration liquid manure all-in-one of back flush, be provided with first manometer, second manometer and third manometer on the inlet tube of centrifugation jar, on the first horizontal water pipe, on the main irrigation pipe respectively.

According to the backwashing double-filtration water and fertilizer integrated machine, the water outlet pipeline is provided with the exhaust valve.

The utility model has the beneficial effects that: the filtering system and the fertilizing system are integrated, the occupied area of the equipment is small, agricultural water and fertilizer liquid are filtered synchronously, and the water and fertilizer application efficiency is high; the filtering system and the backwashing system are controlled by the same controller, so that the filtering and fertilizing processes and the backwashing processes can be switched in real time, the fertilizer sucking process is stopped during backwashing, fertilizer liquid is prevented from being discharged through a discharge pipe along with backwashing sludge, and waste of the fertilizer liquid is effectively avoided.

Drawings

The utility model will be further explained with reference to the drawings.

FIG. 1 is a schematic view of the structure of the all-in-one machine of the present invention;

FIG. 2 is a schematic view of another angle structure of the all-in-one machine;

FIG. 3 is a schematic structural view of a backwash valve;

fig. 4 is a schematic diagram of the operation of the backwash valve.

In the figure: 1. a centrifuge tank; 1-1, a water outlet pipeline; 1-2, a first transverse water pipe; 1-3, a second transverse water pipe; 2. a sand settling tank; 3. a backwash system; 3-1, a first back-flushing valve; 3-2, a second back washing valve; 3-3, a differential pressure gauge; 3-4, a first electromagnetic head; 3-5, a second electromagnetic head; 3-6, a sewage discharge pipe; 3-7 parts of a drainage pipeline; 3-8, a diaphragm cavity; 4. a screen filter; 4-1, a first screen filter; 4-2, a second screen filter; 5. a Venturi fertilizer applicator; 5-1, an electromagnetic diaphragm valve; 5-2, manually adjusting a valve by a diaphragm; 5-3, a rotameter; 6. a fertilizing pump; 7. a chassis support; 8. a controller; 9. a main irrigation pipe; 10. a fertilization pipeline; 11. a high-pressure tapping; 12. a low-pressure tapping port; 13. a first pressure gauge; 14. a second pressure gauge; 15. a third pressure gauge; 16. and (4) exhausting the valve.

Detailed Description

The utility model will be further explained with reference to the drawings.

Referring to fig. 1 and 2, the utility model provides a backwashing double-filtration water-fertilizer all-in-one machine, which comprises a centrifugal tank 1, a sand settling tank 2, a backwashing system 3, a mesh filter 4, a venturi fertilizer applicator 5, a fertilizing pump 6, a chassis support 7 and a controller 8, wherein the sand settling tank 2 and the fertilizing pump 6 are both fixed on the chassis support 7, a sand outlet at the bottom of the centrifugal tank 1 is connected with a sand inlet at the upper part of the sand settling tank 2, a water outlet at the top is connected with a water outlet pipeline 1-1, the tail end of the water outlet pipeline 1-1 is connected with a first transverse water pipe 1-2 with two blocked ends, the backwashing system 3 is connected between the first transverse water pipe 1-2 and the mesh filter 4, water centrifuged by the centrifugal tank 1 enters the mesh filter through the backwashing system for secondary filtration, and the mesh filter 4 comprises a first mesh filter 4-1 and a second mesh filter 4 arranged in parallel 2, the water outlets of the first mesh filter 4-1 and the second mesh filter 4-2 are connected to second transverse water pipes 1-3 with two ends being blocked, the second horizontal water pipes 1-3 are connected with a main irrigation pipeline 9 and a fertilization pipeline 10, the fertilization pipeline 10 is connected with a Venturi fertilizer applicator 5, the fertilizer outlet pipeline of the Venturi fertilizer applicator 5 is connected with the fertilizer application pump 6, the fertilizer outlet of the fertilizer application pump 6 is connected with the first transverse water pipe 1-2, part of the water filtered by the net filter is directly irrigated in the field through the main irrigation pipeline 9, and the other part of the water is mixed with the concentrated fertilizer sucked by the Venturi fertilizer applicator through the fertilizer application pipeline 10 and then returns to the first transverse water pipe through the fertilizer application pump, and the sewage is filtered by the backwashing system and the screen filter, discharged by the main irrigation pipeline and applied by water and fertilizer application equipment. The fertilizing pump 6 and the backwashing system 3 are connected with the controller 8, and a first pressure gauge 13, a second pressure gauge 14 and a third pressure gauge 15 are respectively arranged on the water inlet pipe of the centrifugal tank 1, the first transverse water pipe 1-2 and the main irrigation pipe 9 and are used for respectively monitoring the water pressure of each path; an exhaust valve 16 is arranged on the water outlet pipeline 1-1, and the first transverse water pipe and the second transverse water pipe are both fixed on the chassis support.

Referring to fig. 3 and 4, the backwashing system 3 includes a first backwashing valve 3-1, a second backwashing valve 3-2, a differential pressure gauge 3-3, a first electromagnetic head 3-4 and a second electromagnetic head 3-5, the first backwashing valve 3-1 and the second backwashing valve 3-2 are two-position three-way valves, a high-pressure tapping port 11 is arranged on the first transverse water pipe 1-2, a low-pressure tapping port 12 is arranged on the main irrigation pipe 9, the high-pressure tapping port 11, the differential pressure gauge 3-3 and the low-pressure tapping port 12 are connected in sequence through pipelines, the high-pressure tapping port 11 is further connected with water inlets of the first electromagnetic head 3-4 and the second electromagnetic head 3-5 through air pipes, and first water outlets of the first electromagnetic head 3-4 and the second electromagnetic head 3-5 are respectively connected with a cavity 3-1 at the top end of the first backwashing valve 3-1 and a cavity 3-2 at the top end of the second backwashing valve 3-1 and 3-2 through air pipes -8, the drain outlets of the first backwash valve 3-1 and the second backwash valve 3-2 are connected with a drain pipe 3-6, the drain pipe is made to be fixed on the chassis support, the second water outlets of the first electromagnetic head 3-4 and the second electromagnetic head 3-5 are connected with the drain pipe 3-6 through a drain pipe 3-7, and the differential pressure gauge, the first electromagnetic head and the second electromagnetic head are connected with a controller.

When a differential pressure meter monitors that the differential pressure at two ends of a high-pressure taking point and a low-pressure taking point is below a normal set value, a normal filtering state is carried out, at the moment, no water exists in membrane cavities at the tops of a first backwashing valve and a second backwashing valve, water inlets and water outlets of the two backwashing valves are communicated (as shown in a figure 3), and the centrifuged agricultural water enters a net type filter through the backwashing valves to be filtered; when the filter screen of the mesh filter is blocked and the water pressure of the low-pressure taking port is too small, the differential pressure gauge monitors that the differential pressure between the two ends of the high-pressure taking point and the low-pressure taking point reaches or exceeds a set value, the differential pressure gauge sends a signal to the controller, the controller controls the action of one of the electromagnetic heads, such as the action of the first electromagnetic head, the port 1 and the port 2 of the first electromagnetic head are communicated, so that the high-pressure water enters the membrane cavities 3-8 at the tops of the corresponding first back-flushing valves through the first electromagnetic head, the water inlet end of the first back-flushing valve is blocked, the water outlet is communicated with the sewage discharge port (shown as b in figure 3), the filtering process of the pipeline where the first back-flushing valve is located is stopped, the second back-flushing valve still performs the filtering process, the water filtered by the second mesh filter performs back-flushing decontamination on the first mesh filter, the sludge on the first mesh filter is washed by back-flushing water, the water flows through a drain outlet at the bottom of the first backwashing valve along with the water flow and is discharged outside through a drain pipe; after the first screen filter is backwashed for a certain time, the first electromagnetic head acts, the port No. 2 is communicated with the port c, high-pressure water in a diaphragm cavity at the top of the first backwashing valve is discharged outside through a drainage pipeline, so that a water inlet and a water outlet of the first backwashing valve are communicated to carry out a filtering process, meanwhile, the controller controls the second electromagnetic head to act, so that the high-pressure water enters the diaphragm cavity at the top of the second backwashing valve, a water inlet end of the second backwashing valve is blocked, a sewage outlet is communicated with the water outlet, backwashing and decontamination are carried out on the second screen filter, and when a differential pressure value at two ends monitored by a differential pressure gauge reaches a design value or below, the controller controls to stop the backwashing process to carry out the filtering and fertilizing processes. As long as one of the back washing valves carries out the back washing process, the fertilizing pump and the Venturi fertilizer applicator stop working, and the two back washing valves alternately carry out the back washing process.

The venturi fertilizer applicator 5 is parallelly connected to be provided with threely, three play fertile mouth through same fertile pipeline with fertilization pump 6 is connected, set gradually electromagnetic diaphragm valve 5-1, diaphragm manual regulation valve 5-2 and rotameter 5-3 from lower supreme on venturi fertilizer applicator 5's the fertile pipeline of inhaling, electromagnetic diaphragm valve 5-1 with controller 8 is connected, rotameter 5-3 one end is connected with the fertilization bucket. High-concentration fertilizer liquid in the fertilizing barrel enters a pipeline through the Venturi fertilizer applicator, is mixed and diluted with filtered water, is pumped back to the front end of the back flush valve through the fertilizing pump, is filtered by the screen filter again after passing through the back flush valve, and is used for liquid fertilizer, so that the phenomenon that liquid residues block a dripper in the fertilizing process is avoided. In the process, the flow of the fertilizer liquid is detected through the rotor flow meter, and the diaphragm manual regulating valve regulates the flow of the fertilizer liquid.

Claims

1. The utility model provides a two filtration liquid manure all-in-one of back flush which characterized in that: the water and fertilizer integrated machine comprises a centrifugal tank (1), a sand settling tank (2), a backwashing system (3), a mesh filter (4), a Venturi fertilizer applicator (5), a fertilizer application pump (6), a chassis support (7) and a controller (8), wherein the sand settling tank (2) and the fertilizer application pump (6) are fixed on the chassis support (7), a sand outlet at the bottom of the centrifugal tank (1) is connected with a sand inlet at the upper part of the sand settling tank (2), a water outlet at the top is connected with a water outlet pipeline (1-1), the tail end of the water outlet pipeline (1-1) is connected with a first transverse water pipe (1-2) with two blocked ends, the backwashing system (3) is connected between the first transverse water pipe (1-2) and the mesh filter (4), and the mesh filter (4) comprises a first mesh filter (4-1) and a second mesh filter (4-2) which are arranged in parallel, the water outlets of the first net type filter (4-1) and the second net type filter (4-2) are connected to second transverse water pipes (1-3) with two blocked ends, the second transverse water pipes (1-3) are connected with a main irrigation pipeline (9) and a fertilization pipeline (10), the fertilization pipeline (10) is connected with a Venturi fertilizer applicator (5), a fertilizer outlet pipeline of the Venturi fertilizer applicator (5) is connected with the fertilization pump (6), a fertilizer outlet of the fertilization pump (6) is connected with the first transverse water pipes (1-2), and the fertilization pump (6) and the backwashing system (3) are connected with the controller (8).

2. The backwashing double-filtration water and fertilizer all-in-one machine according to claim 1, which comprises: the backwashing system (3) comprises a first backwashing valve (3-1), a second backwashing valve (3-2), a differential pressure gauge (3-3), a first electromagnetic head (3-4) and a second electromagnetic head (3-5), wherein the first backwashing valve (3-1) and the second backwashing valve (3-2) are two-position three-way valves, a high-pressure tapping (11) is arranged on a first transverse water pipe (1-2), a low-pressure tapping (12) is arranged on an irrigation main pipe (9), the high-pressure tapping (11), the differential pressure gauge (3-3) and the low-pressure tapping (12) are sequentially connected through pipelines, the high-pressure tapping (11) is further connected with water inlets of the first electromagnetic head (3-4) and the second electromagnetic head (3-5) through air pipes, and first water outlets of the first electromagnetic head (3-4) and the second electromagnetic head (3-5) are respectively connected with water inlets of the first electromagnetic head (3-4) and the second electromagnetic head (3-5) The membrane cavity (3-8) at the top end of the first back-flushing valve (3-1) and the second back-flushing valve (3-2) are connected, the drain outlets of the first back-flushing valve (3-1) and the second back-flushing valve (3-2) are connected with the drain pipe (3-6), the second water outlets of the first electromagnetic head (3-4) and the second electromagnetic head (3-5) are connected with the drain pipe (3-6) through the drain pipe (3-7), and the differential pressure gauge (3-3), the first electromagnetic head (3-4) and the second electromagnetic head (3-5) are connected with the controller (8).

3. The backwashing double-filtration water and fertilizer all-in-one machine according to claim 2, which comprises: the venturi fertilizer applicator (5) is provided with threely in parallel, three play fertile mouth through same fertile pipeline with fertilization pump (6) are connected, the fertile pipeline of inhaling of venturi fertilizer applicator (5) is gone up by supreme electromagnetism diaphragm valve (5-1), diaphragm manual regulation valve (5-2) and the rotor flow meter (5-3) of having set gradually down, electromagnetism diaphragm valve (5-1) with controller (8) are connected, rotor flow meter (5-3) one end is connected with the fertilization bucket.

4. The backwashing double-filtering water-fertilizer integrated machine according to claim 3, which is characterized in that: a first pressure gauge (13), a second pressure gauge (14) and a third pressure gauge (15) are respectively arranged on a water inlet pipe of the centrifugal tank (1), the first transverse water pipe (1-2) and the main irrigation pipeline (9).

5. The backwashing double-filtering water-fertilizer integrated machine according to claim 4, which is characterized in that: an exhaust valve (16) is arranged on the water outlet pipeline (1-1).