CN211085874U

CN211085874U - Leaching pipe

Info

Publication number: CN211085874U
Application number: CN201921515207.7U
Authority: CN
Inventors: 黄成东; 鲁振亚; 贾冲冲; 张福锁; 江荣凤
Original assignee: China Agricultural University
Current assignee: China Agricultural University
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-07-24
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to a drip washing pipe, the drip washing pipe includes: the leaching pipe body is a columnar pipe, and pipe orifices are formed in two ends of the leaching pipe body; the connector, this connector be two, respectively with the both ends mouth of pipe of drip washing pipe body can dismantle sealing connection, the connector with the one end of drip washing pipe body coupling is the main aspects, and the other end then is the tip, the pipe diameter of tip is less than the pipe diameter of main aspects. The utility model discloses equipment is small, area is little, can develop on small-size laboratory bench, and the simple operation can greatly reduce raw materials and consume, and it is laborsaving to save labour.

Description

Leaching pipe

Technical Field

The utility model relates to a fertilizer nutrient evaluation technical field, concretely relates to drip washing pipe for evaluating fertilizer nutrient.

Background

The fertilizer is an important agricultural production data, and makes remarkable contribution in the aspects of improving crop yield and guaranteeing national grain safety. The release and leaching of the fertilizer nutrients are important contents for evaluating the fertilizer products, and the release and leaching conditions of the fertilizer nutrients are measured through the evaluation of the release and leaching of the fertilizer nutrients, so that theoretical support is provided for innovation and scientific fertilization of the fertilizer products.

However, in the current soil column test or sand column test, for the reasons of simulating actual soil conditions or climatic conditions and the like, a leaching pipe with an upper opening and a lower opening is mostly adopted, fertilizer leaching liquid is leached from the upper opening to the pipe, liquid containing fertilizer nutrients is collected at the lower opening, and when evaluating the fertilizer nutrients, local soil or climatic conditions are combined to simulate or match factors such as rainfall, fertilizer consumption, soil volume weight, soil plough layer and the like, so that the leaching pipe of the traditional device is longer, the consumed raw material amount is more, the test period is longer, the problems of overlarge equipment volume, large floor area, long consumed time, excessive consumed raw materials, inconvenient operation and the like exist, and certain inconvenience is brought to fertilizer nutrient release and leaching evaluation work.

In order to quickly evaluate the nutrient release and leaching conditions of the fertilizer, lay a foundation for further simulating the nutrient release and leaching conditions under actual soil or climate conditions, reduce workload, improve efficiency and perform preliminary evaluation on the fertilizer nutrient release and leaching in a laboratory, a convenient and fast technology for evaluating the fertilizer nutrient release and leaching is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a drip washing pipe to can evaluate the nutrient release and the drip washing situation of fertilizer fast, and can establish the basis for further simulating nutrient release and drip washing situation under actual soil or climatic condition, reduce total evaluation work load, improve evaluation efficiency.

The utility model relates to a drip washing pipe, a serial communication port, the drip washing pipe includes:

the leaching pipe body is a columnar pipe, and pipe orifices are formed in two ends of the leaching pipe body;

the connector, this connector be two, respectively with the both ends mouth of pipe of drip washing pipe body can dismantle sealing connection, the connector with the one end of drip washing pipe body coupling is the main aspects, and the other end then is the tip, the pipe diameter of tip is less than the pipe diameter of main aspects.

In the shower pipe, the connector is in threaded connection or elastic clamping connection with the pipe orifice of the shower pipe body.

According to the shower pipe, if the connector is not fixedly connected with the shower pipe body, the shower pipe further comprises a screw cover, an inner bolt is arranged at one end of the screw cover, and an opening is formed in the other end of the screw cover;

the large end face of the connector is opposite to and hermetically connected with the end face of the pipe orifice of the leaching pipe body, and the small end of the connector extends out of the opening from the inside of the screw cover;

the mouth of pipe of drenching and washing pipe body is equipped with the external screw thread, the internal thread of screw lid with the installation of external screw thread adaptation, the inner wall chucking of screw lid the main aspects outer wall of connector.

In order to ensure the tightness of the device, the leaching pipe further comprises a first sealing gasket, and the first sealing gasket is arranged between the large-end face of the connector and the pipe orifice end face of the leaching pipe body.

Further, the shower pipe still includes that the second is sealed fills up the inner wall of screw cap with the main aspects outer wall junction of connector is equipped with the sealed pad of second.

The shower pipe is characterized in that the connector can be funnel-shaped.

Furthermore, the contour line of the outer peripheral surface of the connector from the small end to the large end is a straight line or a curve, and when the contour line is a curve, the contour line of the outer peripheral surface is a line which is recessed towards the connector from the small end to the large end.

In order to connect the shower pipe more tightly, the outer surface of the small end of the connector is frosted.

Foretell shower pipe, in order to facilitate the observation, the shower pipe body is transparent body, the surface of body is equipped with the scale.

Preferably, the material of the shower pipe body is organic glass, common glass or polyethylene.

The utility model discloses equipment is small, area is little, can develop on small-size laboratory bench, and the simple operation can greatly reduce raw materials and consume, and it is laborsaving to save labour.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;

fig. 2 is a schematic structural view of a leaching pipe according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a holding device according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a shower pipe body according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a connector according to an embodiment of the present invention;

FIG. 6 is a schematic view of a gasket according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a screw cap according to an embodiment of the present invention;

the reference numbers illustrate:

1. a liquid container; 2. a peristaltic pump; 3. a multi-channel pump head; 41. a first soft tubule; 42. a second soft tubule; 5. a shower pipe; 6. a test tube clamp; 7. double-top thread; 8. an iron stand; 9. a support; 10 centrifuging the tube; 11. a screw cap; 12a, a silica gel pad; 12b, a silica gel pad; 13. a connector; 14. and (4) leaching the pipe body.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

For simulating nutrient release and leaching conditions of a group of fertilizers under actual soil or climatic conditions, an adopted soil column test and a adopted sand column test mostly adopt a leaching pipe with an upper opening and a lower opening for simulating the actual soil or climatic conditions and other reasons, fertilizer leaching liquid is leached into the pipe from the upper opening, liquid containing fertilizer nutrients is collected at the lower opening, and the factors such as irrigation quantity, fertilizer quantity, soil quantity and the like need to be matched when evaluating the fertilizer nutrients, so that the leaching pipe of the traditional device is larger, the length of the leaching pipe is about 0.6-1.2 meters, the pipe diameter is about 10-20 centimeters, the raw material quantity consumed when the leaching pipe is filled is also larger, the test period is also longer, the time consumption and the cost are high, the utility model seeks a simple and preliminary evaluation simulation test in a test room to perform preliminary nutrient release and leaching evaluation on a group of fertilizers, and screening out part of the fertilizers meeting certain conditions, and if necessary, performing nutrient release and leaching simulation evaluation on the screened part of the fertilizers under actual soil or climate conditions, thereby saving resources.

The utility model discloses a small-size washing pipe to convenient to detach connects soft tubule at the both ends of washing pipe and carries out the transport of liquid, can swiftly conveniently carry out preliminary evaluation to fertilizer nutrient release and drip washing, greatly economizes the raw materials, improves work efficiency.

As shown in fig. 1, the utility model firstly provides a device for evaluating fertilizer nutrient release and leaching, which mainly comprises a liquid inlet part, a leaching pipe 5 and a liquid collecting part.

The liquid inlet part comprises a first soft thin pipe 41, one end of the first soft thin pipe 41 is a liquid inlet end, and the other end of the first soft thin pipe is connected with the small end of one connector 13 of the shower pipe 5;

the shower pipe 5 mainly includes:

the leaching pipe body 14 is a columnar pipe, and pipe orifices are formed at two ends of the leaching pipe body 14;

the connector 13 comprises two connectors, the two connectors 13 are respectively detachably and hermetically connected with pipe orifices at two ends of the shower pipe body 14, the connector 13 is a big end at one end connected with the shower pipe body 14, the other end is a small end, and the pipe diameter of the small end is smaller than that of the big end.

When the connector is directly and fixedly connected with the shower pipe body, the connector is in threaded connection or elastic clamping connection with the pipe orifice of the shower pipe body.

The liquid collecting part comprises a second soft thin pipe 42 or an automatic liquid collecting instrument, one end of the second soft thin pipe 42 is connected with the small end of the other connector 13 of the shower pipe 5, and the other end of the second soft thin pipe 42 is a liquid outlet end; or the automatic liquid collector is connected with the leaching pipe.

The fertilizer leacheate flows through the leaching pipe 5 in which the fertilizer and the filler are placed in the pipe through the first soft tubule 41, and then the liquid mixed with the fertilizer nutrients is collected through the second soft tubule 42, so that the indexes of the fertilizer nutrients in the collected liquid can be measured, and a group of fertilizers to be evaluated can be preliminarily evaluated.

In order to improve the efficiency of the leaching evaluation, in the device for evaluating the fertilizer nutrient release and leaching, the liquid inlet part can further comprise a peristaltic pump 2, and the pipe body part of the first soft tubule 41 is arranged on the peristaltic pump 2. The peristaltic pump 2 may be used to control the rate of passage of the fertilizer leacheate in the first flexible tubule 41.

Preferably, the peristaltic pump can operate continuously, with high precision and adjustable speed.

In order to perform multiple groups of fertilizer nutrient release and leaching evaluation at one time, the pump head of the peristaltic pump 5 is a multi-channel pump head 3, that is, one peristaltic pump 5 can be provided with multiple groups of nutrient release and leaching evaluation devices.

When the peristaltic pump is arranged, the horizontal position of the shower pipe is not limited and can be higher or lower than that of the peristaltic pump, or the horizontal position of the shower pipe is the same as that of the peristaltic pump. If the peristaltic pump is not arranged, the liquid forms flowing pressure only by gravity, and the horizontal position of the shower pipe is lower than the liquid inlet pipe, namely the horizontal position of the first soft tubule, so that the arrangement mode that the liquid flows from the upper end to the lower end of the shower pipe is formed.

Specifically, as shown in fig. 1, according to an embodiment of the present invention, the first flexible thin tube 41 is installed on the multi-channel pump head 3, one end of the first flexible thin tube 41 is connected to the solution, and the other end is connected to the lower end interface of the shower pipe 5 (lifting the flow example from bottom to top).

According to an embodiment of the present invention, as shown in fig. 2, the shower pipe 5 includes a silica gel pad 12a, a silica gel pad 12b, a connector 13, a screw cap 11, and a shower pipe body 14 with scales (the material may be ordinary glass, organic glass, polyethylene, etc.).

As shown in fig. 1, the shower pipe 5 is placed on an iron stand 8 and fixed at a predetermined height.

Preferably, the body of the shower pipe body 14 is marked with scales. The material of the shower pipe body 14 can be organic glass, common glass, polyethylene material, etc. For the convenience of observation, the shower pipe body is a transparent pipe body.

Preferably, the upper and lower ports of the shower pipe body 14 are threaded connectors. The connector 13 may also be provided with a threaded connection for connection to the shower body 14. The threaded connection port is arranged, so that the packing in the pipe is facilitated, and the connection tightness can be facilitated.

According to the utility model discloses an embodiment, as shown in fig. 2, if connector 13 does not manage body fixed connection with the drip washing, the drip washing pipe still can include screw cap 11, and this screw cap 11 is two, and the one end of this screw cap 11 is equipped with the internal thread, and the other end of this screw cap 11 is equipped with the opening. During connection, the big end face of the connector 13 and the mouth of pipe end face of the shower pipe body 14 are oppositely arranged and hermetically connected, and the small end of the connector 13 extends from the inside of the screw cover 11 to the outside of the opening. The mouth of pipe of shower pipe body 14 is equipped with the external screw thread, the internal thread of screw lid 11 with the installation of external screw thread adaptation, the inner wall chucking of screw lid 11 the main aspects outer wall of connector 13. So that the shower pipe body 14 and the connector 13 can be fixedly connected through the screw cap 11.

The appearance of connector 13 can be for leaking hopper-shaped, connector 13 follows the tip arrives the outer peripheral face contour line of main aspects is sharp or curve, when being the curve, certainly the tip extremely the main aspects, the outer peripheral face contour line is to the line type of self recess.

Preferably, the two connectors 13 on the upper and lower parts of the drip washing pipe body are shaped like a concave funnel, that is, the contour lines of the outer peripheral surfaces of the connectors are in a line shape which is concave to the connectors. So design to reduce the pipe diameter at the main aspects of connector 13 to the utmost, prevent that objects in the pipes such as quartz wool or fertilizer from dropping, block up the water inlet.

The small end of the connector 13 may be designed as a tip for insertion into the soft tubule. The outer surface of the small end of the connector 13 can be a frosted structure to increase friction and facilitate connection with the soft thin tube.

The connector 13 can be made of organic glass, common glass, polyethylene material, etc.

Preferably, a silica gel pad (as a sealing pad, or a sealing pad made of other materials) is added between the connector 13 and the shower pipe body 14, and the silica gel pad is arranged between the large-end face of the connector 13 and the pipe orifice end face of the shower pipe body 14; the first is to protect the contact surface between the shower tube body 14 and the connector 13, and the second is to increase the sealing performance between the shower tube body 14 and the connector 13.

As preferablely, increase one deck silica gel pad (as sealed the pad, also can be the sealed pad of other materials) between screw lid 11 and the connector 13 the inner wall of screw lid with the main aspects outer wall junction of connector is equipped with this pad, both plays sealed effect, still plays the guard action, protects the contact surface of screw lid and connector to the abrasionproof decreases.

In the utility model, the length of the drip washing pipe body can be designed to be 10-20 cm, the pipe diameter can be designed to be 4-5 cm, and the drip washing pipe can be designed and adjusted according to actual conditions.

The utility model discloses in, the pipe diameter of soft tubule can be designed for 0.1-0.3 centimetre, and the material of soft tubule can be chooseed for use has certain flexible to be suitable for the plastics of liquid transport, and first soft tubule still will be suitable for with the peristaltic pump cooperation, for example soft tubule can be silicone tube or compound rubber tube etc..

Further, in order to fix the shower pipe, the device further comprises a holding device.

According to an embodiment of the present invention, as shown in fig. 3, the holding device may include a stand 8 (which may be an iron stand, for example), a double-top wire 7, a test tube clamp 6, and a bracket 9 (which may be an iron bracket, for example). Of course, the holding device is not limited thereto, and can be designed or adjusted according to the actual situation.

Further, the liquid collecting part also comprises a centrifugal tube, and the centrifugal tube is connected with the liquid outlet end of the second soft thin tube so as to collect liquid containing fertilizer nutrients; or the liquid collecting part comprises an automatic liquid collecting instrument which automatically collects liquid containing fertilizer nutrients from the spraying pipe. When the automatic liquid collector is adopted, the second soft tubule is not used, and the automatic liquid collector is directly connected with the connector of the spray washing pipe.

According to an embodiment of the present invention, as shown in fig. 2, the collecting device comprises a second soft thin tube 42 and a centrifuge tube 10, one end of the second soft thin tube 42 is connected to the upper port of the leaching tube body 14, and the other end is disposed in the centrifuge tube 10 to collect the leaching solution.

Further, the liquid inlet part can also comprise a liquid container 1, and the liquid inlet end of the first soft tubule 41 is arranged in the liquid container 1. Of course, the liquid feeding method is not limited to this, and other conventional arrangements may be substituted.

According to an embodiment of the invention, the method of mounting the device is as follows.

The rinsing tube shown in fig. 2 comprises a silica gel pad 12a, a connector 13, a screw cap 11, a rinsing tube body 14 (made of common glass, polyethylene or organic glass) with scales, a silica gel pad 12b, and the like. The connector 13 is designed into a concave funnel shape, and the outer surface of the sharp end of the connector is frosted.

The installation method of the spray washing pipe with the fertilizer and the filler comprises the following steps:

firstly, paving one or more of quartz cotton, filter paper and nylon net in a pipe orifice at one end of a leaching pipe body 14 with scales, then connecting the pipe orifice with a connector 13, adding a silica gel pad 12 between the connector and the leaching pipe body, then sleeving a layer of silica gel pad at the tip end of the connector, and finally installing a screw cap 11 on the leaching pipe body.

And filling soil or quartz sand with a certain weight from the other end of the leaching pipe body to a depth of about 3-5 cm, and then putting the fertilizer wrapped by the nylon net with the mesh number of 0.1-0.5 mm into the leaching pipe body. Then a certain mass of soil or quartz sand is put into the tube, and the depth is about 10-12 cm (in this case, the length of the leaching tube body is 15 cm for example). And then covering one or more of quartz cotton, filter paper and nylon net, and installing a connector 13 and a screw cap 11 on the washing pipe body. And a silica gel pad is respectively arranged between the connector and the leaching pipe body and between the connector and the screw cap. The assembled dip pipe is fixed on an iron support 9 by a test tube clamp 6, and then fixed at a certain height by a double-top screw 7.

The holding device shown in fig. 3 comprises a hob table 8, a double jackscrew 7, a test tube clamp 6 and a support 9. The connecting point is fixed by double top threads. The holding device is placed on the experiment operation table.

The liquid inlet part and the shower pipe 5 are installed as follows:

as shown in fig. 1, the first flexible thin tube 4 is first installed on the multi-channel pump head 3, one end of the first flexible thin tube 41 is placed into the liquid container 1, and the other end is connected to the interface at the lower end of the shower pipe 5, so as to make the liquid flow from the lower end to the upper end of the shower pipe body. According to the self-defined test requirements, the flow rate corresponding to the peristaltic pump 2 can be adjusted, the peristaltic pump 2 is high in selection precision, and a multi-channel pump head is preferentially selected within an error allowable range, so that the working efficiency is improved. According to the pre-experimental result, the peristaltic pump is further finely adjusted, so that the error is reduced, and the evaluation accuracy is improved.

The liquid collecting part comprises a second soft tubule 42 and a centrifuge tube 10, and the installation steps are as follows:

one end of the second soft tubule 42 is connected to the interface at the upper end of the shower pipe 5, the other end is arranged in the centrifuge tube 10, and the centrifuge tube 10 is arranged on the centrifuge tube rack.

After the whole set of equipment and raw materials are assembled, the peristaltic pump 2 is started, and the flow rate of the liquid can be adjusted according to the requirements of a self-set test. The leacheate can be collected at fixed time intervals, and then indexes such as the content of fertilizer nutrients can be detected on a computer.

On the other hand, the utility model also provides a method of utilizing above-mentioned evaluation fertilizer nutrient release and drip washing device, the method mainly includes:

enabling the fertilizer leacheate to flow through the leaching pipe in which the fertilizer and the filler are placed through the first soft tubule;

collecting the liquid mixed with the fertilizer nutrients through the second soft tubule;

and measuring the fertilizer nutrient index in the liquid.

According to the method, the peristaltic pump can be used for controlling the passing speed of the fertilizer leacheate in the first flexible thin pipe.

In the method, the filler can comprise quartz sand or/and soil, and the leaching pipe is vertically arranged when the evaluation is carried out, and the horizontal position of the leaching pipe is higher or lower than that of the peristaltic pump, or the horizontal position of the leaching pipe is the same as that of the peristaltic pump.

By adjusting the flow rate of the peristaltic pump, the working efficiency can be effectively improved.

The utility model discloses an equipment is small, area is little, can develop the simple operation on small-size laboratory bench.

The utility model has less consumption raw materials, the equipment only needs 10-60g of quartz sand or soil, only needs one thousandth of the raw material amount required by a conventional device, greatly reduces the raw material consumption, and is labor-saving and labor-saving.

The upper end and the lower end of the leaching pipe are designed into threaded openings, so that the upper surface can be conveniently filled with the materials, and the upper surface and the lower surface can be tightly connected through screw caps.

The connector is designed into a concave funnel shape, and the outer surface of the sharp-end is frosted, so that on one hand, the friction force is increased, and the connection of the soft tubules is facilitated; on the other hand, the quartz wool or the fertilizer is prevented from falling to block the water inlet.

Increase one deck silica gel pad respectively between connector and shower pipe, the screw lid, effective protection device on the one hand, the seal of on the other hand multiplicable equipment promotes the experimental degree of accuracy of evaluation.

The utility model discloses can evaluate the nutrient release and the drip washing situation of fertilizer fast to can establish the basis for further simulating nutrient release and drip washing situation under actual soil or weather condition, reduce the total work load of nutrient release and drip washing evaluation of fertilizer, can carry out the preliminary evaluation of fertilizer nutrient release and drip washing in the laboratory, improve work efficiency, and install small, area is little, the consumption raw materials is few.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing embodiments are merely illustrative of the present invention, in which various components and devices of the embodiments may be modified, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application shall not be limited to the embodiments described herein, and all equivalent changes and modifications made on the basis of the technical solutions of the present invention shall not be excluded from the scope of the present invention.

Claims

1. A shower tube, comprising:

2. The shower pipe as claimed in claim 1, wherein the connector is screwed or elastically clamped to the pipe orifice of the shower pipe body.

3. The shower pipe of claim 1,

the shower pipe also comprises a screw cover, wherein one end of the screw cover is provided with an inner bolt, and the other end of the screw cover is provided with an opening;

4. The shower pipe according to claim 3, further comprising a first gasket, wherein the first gasket is disposed between the end surface of the large end of the connector and the end surface of the pipe orifice of the shower pipe body.

5. The shower pipe according to claim 3, further comprising a second gasket, wherein the second gasket is disposed at a joint of the inner wall of the screw cap and the outer wall of the large end of the connector.

6. The shower pipe as claimed in any one of claims 1 to 5, wherein the connector is funnel shaped in profile.

7. The shower pipe as claimed in claim 6, wherein the contour line of the outer peripheral surface of the connector from the small end to the large end is a straight line or a curved line, and when the contour line is a curved line, the contour line of the outer peripheral surface is a line shape which is recessed toward itself from the small end to the large end.

8. The shower pipe as claimed in any one of claims 1 to 5 or 7 wherein the outer surface of the small end of the connector is frosted.

9. The shower pipe as claimed in any one of claims 1 to 5 or 7, wherein the shower pipe body is a transparent pipe body, and the outer surface of the pipe body is provided with graduations.

10. The shower pipe as claimed in claim 9, wherein the shower pipe body is made of organic glass, ordinary glass or polyethylene.