CN218130288U

CN218130288U - Sample filtering device for agricultural product detection

Info

Publication number: CN218130288U
Application number: CN202222492175.1U
Authority: CN
Inventors: 廖薇
Original assignee: Liangshan Agricultural Products Quality And Safety Testing Center
Current assignee: Liangshan Agricultural Products Quality And Safety Testing Center
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-27
Anticipated expiration: 2032-09-20

Abstract

The utility model belongs to the technical field of agricultural product detection, in particular to a sample filtering device for agricultural product detection, which comprises a detection tank and a top cover, wherein the top cover is movably arranged at the top of the detection tank, the surface of the top cover is connected with a liquid injection pipe in a conduction way, the side wall of the detection tank is provided with an air pump, the gas outlet end of the air pump is connected with an air duct, and the end part of the air duct is connected with the liquid injection pipe in a conduction way; the inner cavity of the detection tank is provided with a filtering mechanism, the filtering mechanism comprises a filtering mechanism, support rings, limiting rings, support screen plates and filter membranes, the support rings are welded in the inner cavity of the detection tank at equal intervals, and the surfaces of the two groups of support rings below are provided with the limiting rings; this novel air pump passes through the air duct and injects the air into in the detection jar, can make the pressure at detection jar inner chamber top rise, and the sample for agricultural product testing can be quick under the effect of pressure through the filter membrane, and the gaseous accessible blast pipe in the detection jar is discharged, can promote the filtration efficiency to the sample for agricultural product testing.

Description

Sample filtering device for agricultural product detection

Technical Field

The utility model relates to an agricultural product detects technical field, specifically is an agricultural product detects uses sample filter equipment.

Background

Found by patent search, the patent number: CN216878252U: discloses a sample filtering device for agricultural product detection, and belongs to the technical field of agricultural product detection. A sample filtering device for agricultural product detection comprises a box body, a feeding hole and a discharging hole, wherein a driving motor is connected to the bottom wall of the box body, the output end of the driving motor is connected with a rotating shaft, one end, away from the driving motor, of the rotating shaft penetrates through the box body and extends upwards, a first filter screen is arranged inside the box body and is detachably connected to the outer wall of the rotating shaft through a connecting sleeve, a cleaning assembly is connected to the inner wall of the box body, one end of the cleaning assembly is connected with a water inlet pipeline, one end, away from the cleaning assembly, of the water inlet pipeline penetrates through the box body and extends outwards, an impurity collecting assembly is further arranged on the outer wall of the box body, and the impurity collecting assembly is matched with the cleaning assembly; the utility model discloses can filter the impurity in the sample for the agricultural product testing effectively, can avoid filter assembly to take place the condition of jam effectively when just filtering, and then improve its filtration efficiency effectively.

Present sample filter equipment for agricultural product inspection is when filtering the testing sample, and the testing sample passes through the filter membrane under the effect of gravity, and the speed that the inspection sample passed through the filter membrane is slower, leads to lower to the detection efficiency who detects the sample, for solving above-mentioned problem, provides a sample filter equipment for agricultural product inspection in this application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides an agricultural product detects uses sample filter equipment, the air pump passes through the air duct and injects the air into in the detection jar, can make the pressure at detection jar inner chamber top rise, and the sample for the agricultural product detects can be quick under the effect of pressure through the filter membrane, and the gaseous accessible blast pipe discharge in the detection jar can promote the filtration efficiency to the sample for the agricultural product detects.

(II) technical scheme

In order to solve the technical problem, the utility model provides a sample filtering device for agricultural product detection, which comprises a detection tank and a top cover, wherein the top cover is movably arranged at the top of the detection tank, the surface of the top cover is in conduction connection with a liquid injection pipe, the side wall of the detection tank is provided with an air pump, the air outlet end of the air pump is connected with an air duct, and the end part of the air duct is in conduction connection with the liquid injection pipe; the inner cavity of the detection tank is provided with a filtering mechanism, the filtering mechanism comprises a filtering mechanism, a support ring, a limit ring, a support screen and a filter membrane, the support ring is welded in the inner cavity of the detection tank at equal intervals, the limit ring is arranged on the surface of the support ring, the support screen is in threaded connection with the limit ring, and the filter membrane is laid on the surface of the support screen.

Preferably, the diameter of the support screen plate is gradually reduced from top to bottom, and the surface of the support ring is annularly provided with a locking bolt, and the end part of the locking bolt penetrates through the filter membrane cavity.

Preferably, the bottom of the side wall of the detection tank is connected with a liquid discharge pipe in a conduction manner, and the liquid discharge pipe and the liquid injection pipe are respectively provided with a control valve.

Preferably, annotate liquid pipe top integral type shaping and have annotate the liquid funnel, annotate the control valve of installation on the liquid pipe and be located and annotate between liquid funnel and air duct and the liquid pipe junction.

Preferably, the side wall of the detection tank is connected with an exhaust pipe in a conduction manner, and the exhaust pipe is positioned at the bottom of the support ring in the bottommost group.

Preferably, the detection tank side wall is in conduction connection with a deslagging pipe, one end of the deslagging pipe penetrates through the detection tank cavity wall respectively and extends to one side of the filter membrane, and the other ends of the deslagging pipe are gathered together.

Preferably, the exhaust pipe is provided with a second control valve at the end part of the slag discharge pipe, and the bottom of the slag discharge pipe is connected with a slag collection box through the second control valve.

The above technical scheme of the utility model has following profitable technological effect:

1. the utility model discloses, the air pump passes through the air duct and pours into the air into the detection jar in, can make the pressure at detection jar inner chamber top rise, and the sample can be quick under the effect of pressure for the agricultural product detection through the filter membrane, and the gaseous accessible blast pipe in the detection jar is discharged, can promote the filtration efficiency to the sample for the agricultural product detection.

2. The utility model discloses, dismantle the top cap, loosen locking bolt simultaneously, can carry out quick dismantlement to the filter membrane, and the spacing collar on two sets of support otter board in below and the support ring links to each other for the screw thread, and the diameter that supports the otter board reduces from top to bottom gradually to can dismantle the support otter board in proper order, thereby the convenience is changed the filter membrane.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic structural view of the filtering mechanism of the present invention;

fig. 4 is a schematic view of the filter membrane replacement structure of the present invention.

Reference numerals:

1. a detection tank; 2. a top cover; 3. a liquid injection pipe; 4. a liquid injection funnel; 5. a first control valve; 6. an air pump; 7. an air duct; 8. a filtering mechanism; 81. a support ring; 82. a limiting ring; 83. supporting the screen plate; 84. filtering the membrane; 85. locking the bolt; 9. a slag discharge pipe; 10. a second control valve; 11. a slag collection box; 12. a liquid discharge pipe; 13. and (4) exhausting the gas.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a sample filtering device for agricultural product detection, including detection tank 1 and top cap 2, top cap 2 is movably installed at the top of detection tank 1, the surface of top cap 2 is conductively connected with injection pipe 3, the side wall of detection tank 1 is installed with air pump 6, the air outlet end of air pump 6 is connected with air duct 7, and the end of air duct 7 is conductively connected with injection pipe 3; the inner cavity of the detection tank 1 is provided with a filtering mechanism 8, the filtering mechanism 8 comprises a filtering mechanism 8, a support ring 81, a spacing ring 82, a support screen 83 and a filter membrane 84, the support ring 81 is welded in the inner cavity of the detection tank 1 at equal intervals, the lower part of the support ring 81 is two groups, the spacing ring 82 is arranged on the surface of the support ring 81, the support screen 83 is in threaded connection with the spacing ring 82, and the filter membrane 84 is laid on the surface of the support screen 83.

It should be noted that, first, control valve 5 on liquid injection pipe 3 is opened, sample for agricultural product detection can be injected into detection tank 1 through liquid injection funnel 4, then control valve 5 on liquid injection pipe 3 is closed, second control valve 10 on exhaust pipe 13 is opened, air pump 6 injects air into detection tank 1 through air duct 7, pressure at the top of the inner cavity of detection tank 1 can be increased, sample for agricultural product detection can rapidly pass through filter membrane 84 under the action of pressure, gas in detection tank 1 can be discharged through exhaust pipe 13, the filtration efficiency of sample for agricultural product detection can be improved, and filtered detection sample can be discharged through liquid discharge pipe 12.

As shown in fig. 2 and fig. 3, the diameter of the support screen 83 is gradually reduced from top to bottom, and the surface of the support ring 81 is annularly provided with locking bolts 85, and the ends of the locking bolts 85 penetrate through the cavity of the filter membrane 84.

It should be noted that the diameter of the support screen 83 is gradually reduced from top to bottom, so that the support screen 83 can be detached in sequence, thereby facilitating the replacement of the filter membrane 84.

As shown in fig. 1 and 2, the bottom of the side wall of the detection tank 1 is conductively connected with a liquid discharge pipe 12, the liquid discharge pipe 12 and the liquid injection pipe 3 are both provided with a control valve 5, the top of the liquid injection pipe 3 is integrally formed with a liquid injection funnel 4, and the control valve 5 arranged on the liquid injection pipe 3 is positioned between the liquid injection funnel 4 and the joint of the air duct 7 and the liquid injection pipe 3.

It should be noted that, after the first control valve 5 on the liquid injection pipe 3 is closed, the top of the detection tank 1 can be closed, and air can be injected into the top of the inner cavity of the detection tank 1 through the air pump 6, so that the pressure at the top of the inner cavity of the detection tank 1 is increased.

As shown in FIG. 1, an exhaust pipe 13 is conductively connected to the sidewall of the detection tank 1, and the exhaust pipe 13 is located at the bottom of the lowest set of the support rings 81.

It should be noted that the gas in the detection tank 1 can be discharged through the exhaust pipe 13, so as to avoid the excessive pressure in the detection tank 1 caused by the air pump 6 continuously injecting air into the detection tank 1.

As shown in fig. 2, the side wall of the detection tank 1 is connected with a deslagging pipe 9 in a conduction manner, one end of the deslagging pipe 9 penetrates through the wall of the detection tank 1 and extends to one side of the filter membrane 84, and the other ends of the deslagging pipe 9 are gathered together.

It should be noted that the deslagging pipe 9 can drain impurities washed off from the surface of each layer of the filter membrane 84.

As shown in FIG. 2, a second control valve 10 is mounted on the exhaust pipe 13 and at the end of the slag discharge pipe 9, and the bottom of the slag discharge pipe 9 is connected with a slag collection tank 11 through the second control valve 10.

It should be noted that the second control valve 10 can control the opening and closing of the exhaust pipe 13 and the slag discharge pipe 9, and after the second control valve 10 on the slag discharge pipe 9 is opened, the waste liquid can flow into the slag collection tank 11 through the slag discharge pipe 9 for storage.

The utility model discloses a theory of operation and use flow: firstly, open control valve 5 on annotating liquid pipe 3, the sample accessible for the agricultural product detection pours into detection tank 1 with annotating liquid funnel 4, close control valve 5 on annotating liquid pipe 3 afterwards, open No. two control valve 10 on blast pipe 13, air pump 6 pours into detection tank 1 with the air injection through air duct 7 in, can make the pressure at detection tank 1 inner chamber top rise, the sample can be quick under the effect of pressure through filter membrane 84 for the agricultural product detection, gas accessible blast pipe 13 in the detection tank 1 discharges, can promote the filtration efficiency to the sample for the agricultural product detection, the detection sample accessible fluid-discharge tube 12 after the filtration discharges, after the detection is accomplished, pour into the washing liquid into detection tank 1, can wash the impurity of filter membrane 84 surface filtration through the washing liquid, and open No. two control valve 10 of slag discharge pipe 9 tip, waste liquid accessible slag discharge pipe 9 is discharged and is stored in collection sediment case 11, dismantle top cap 2, loosen locking bolt 85 simultaneously, can carry out quick dismantlement to filter membrane 84, and support otter board 83 and the screw thread support otter board 82 on support otter board 81 under two sets of lower two sets of support, thereby the otter board can make things convenient for the removal from top to the removal otter board 83 in proper order.

It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention should be considered within the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A sample filtering device for agricultural product detection comprises a detection tank (1) and a top cover (2), wherein the top cover (2) is movably mounted at the top of the detection tank (1), the sample filtering device is characterized in that the surface of the top cover (2) is in conduction connection with a liquid injection pipe (3), an air pump (6) is mounted on the side wall of the detection tank (1), the air outlet end of the air pump (6) is connected with an air guide pipe (7), and the end part of the air guide pipe (7) is in conduction connection with the liquid injection pipe (3); it is equipped with filtering mechanism (8) to detect jar (1) inner chamber, filtering mechanism (8) are including filtering mechanism (8), support ring (81), spacing collar (82), support otter board (83) and filter membrane (84), support ring (81) equidistance welding is at detection jar (1) inner chamber, and wherein the below is two sets of spacing collar (82) have been seted up on support ring (81) surface, support otter board (83) link to each other with spacing collar (82) screw thread, filter membrane (84) are laid on support otter board (83) surface.

2. The agricultural product detection sample filtering device according to claim 1, wherein the diameter of the supporting screen (83) is gradually reduced from top right to bottom, and the surface of the supporting ring (81) is annularly provided with locking bolts (85), and the ends of the locking bolts (85) penetrate through the cavity of the filter membrane (84).

3. The agricultural product detection sample filtering device according to claim 1, wherein a drain pipe (12) is connected to the bottom of the side wall of the detection tank (1) in a conduction manner, and a control valve (5) is respectively installed on the drain pipe (12) and the liquid injection pipe (3).

4. The agricultural product sample filtering device for detecting the agricultural products as claimed in claim 3, wherein the top of the liquid injection pipe (3) is integrally formed with a liquid injection funnel (4), and a control valve (5) installed on the liquid injection pipe (3) is positioned between the liquid injection funnel (4) and the joint of the air duct (7) and the liquid injection pipe (3).

5. The agricultural product inspection sample filtering device according to claim 1, wherein an exhaust pipe (13) is conductively connected to a sidewall of the inspection tank (1), and the exhaust pipe (13) is located at the bottom of the lowest set of the support rings (81).

6. The agricultural product detection sample filtering device according to claim 1, wherein a slag discharge pipe (9) is conductively connected to a side wall of the detection tank (1), one end of the slag discharge pipe (9) extends to one side of the filter membrane (84) through the wall of the detection tank (1), and the other ends of the slag discharge pipe (9) are gathered together.

7. The agricultural product sample filtering device for detecting according to claim 5, wherein a second control valve (10) is installed on the exhaust pipe (13) and at the end of the slag discharge pipe (9), and the bottom of the slag discharge pipe (9) is connected with a slag collection box (11) through the second control valve (10).