CN210078952U

CN210078952U - Slurry filtering device

Info

Publication number: CN210078952U
Application number: CN201920176855.8U
Authority: CN
Inventors: 张建军; 薛丽峰; 覃曾锋; 刘法安; 华建青
Original assignee: Shenzhen Batian Ecotypic Engineering Co Ltd
Current assignee: Shenzhen Batian Ecotypic Engineering Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-02-18
Anticipated expiration: 2029-01-30

Abstract

The utility model provides a slurry filtering device, including the slurry pipe, the slurry pipe is connected with discharging device, the slurry pipe includes major ingredient slurry pipe and two at least vice slurry pipes, two at least vice slurry pipes's relative both ends all are connected with major ingredient slurry pipe, be equipped with at least one filter house on every vice slurry pipe, the filter house includes the casing and radially locates the filter screen in the casing, casing and vice slurry pipe swing joint, the filter screen is separated into feeding district and ejection of compact district in with the casing, be equipped with the feed inlet on the casing in feeding district, be equipped with the discharge gate on the casing in ejection of compact district. The utility model discloses a set up at least one filter house on every vice thick liquid pipe to through setting up the thick liquid pipe into including major ingredient thick liquid pipe and two at least vice thick liquid pipes, not only can filter the impurity in the thick liquid effectively, still can guarantee going on continuously of production, improved granular fertilizer's quality and production speed.

Description

Slurry filtering device

Technical Field

The utility model belongs to the technical field of fertilizer production, concretely relates to thick liquids filter equipment.

Background

The compound fertilizer is widely applied to agricultural production in China due to excellent performance, but impurities inevitably exist in the process of melting or preparing slurry in the production process of the compound fertilizer. And the slurry containing impurities can be sprayed out from a blanking port of the discharging device in the material distribution process, but the impurities are often accumulated and block the blanking port, so that the slurry cannot be sprayed out. Finally, the preparation process cannot be normally carried out, and the production period is greatly prolonged.

In the prior art, patent No. CN201721183984.7 discloses a slurry auxiliary transportation device, which includes a transportation pipe, a plurality of pressure sensors, an ultrasonic generator, a controller, a movable screw rod and a driving motor, wherein the pressure sensors are respectively and fixedly disposed on the inner wall of the transportation pipe and spaced from each other by a certain distance, the pressure sensors are in signal communication with the controller, the controller is in signal communication with the driving motor and the ultrasonic generator, the ultrasonic generator is disposed on the movable screw rod, and the driving motor drives the movable screw rod to rotate; the pressure sensor automatically detects the blocking position and enables the ultrasonic generator to accurately move in place, the deposited materials are dispersed through ultrasonic vibration, deposition blocking is effectively prevented, and smooth transportation is guaranteed. However, the above patent is not only complex in operation and high in equipment cost, but also impurities still exist in the conveying pipe and still block the blanking port, and the problems mentioned in the application are not solved. Therefore, there is a need for a slurry filtering apparatus and a slurry filtering method.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a thick liquids filter equipment, through every set up at least one filter house on the vice thick liquids pipe to through setting up the thick liquids pipe to including main material thick liquids pipe and two at least vice thick liquids pipes, not only can filter the impurity in the thick liquids effectively, still can guarantee going on continuously of production, improved granular fertilizer's quality and production speed.

The utility model provides a thick liquids filter equipment, including the thick liquids pipe, the thick liquids pipe with discharging device connects, the thick liquids pipe includes major ingredient thick liquids pipe and two at least vice thick liquids pipes, two at least vice thick liquids pipe's relative both ends all with the major ingredient thick liquids pipe is connected, every be equipped with at least one filter house on the vice thick liquids pipe, the filter house includes the casing and radially locates filter screen in the casing, the casing with vice thick liquids pipe swing joint, the filter screen will become feeding district and ejection of compact district in the casing, be equipped with the feed inlet on the casing in feeding district, be equipped with the discharge gate on the casing in ejection of compact district.

The utility model discloses the first aspect provides a thick liquids filter equipment, through every set up at least one filter house on the vice thick liquids pipe for filter screen in the filter house can effectively filter the impurity in the thick liquids. And the slurry pipe is arranged to comprise the main slurry pipe and at least two auxiliary slurry pipes, so that when a filter screen in the filter part on one of the auxiliary slurry pipes is replaced or cleaned, the rest auxiliary slurry pipes can still continue to work without interrupting the production of the granular fertilizer. The utility model provides a ground paste filter equipment not only can filter the impurity in the ground paste effectively, still can guarantee going on of production continuously, has improved granular fertilizer's quality and production speed.

Wherein, the filter screen is towards the feed inlet arch.

Wherein, the protruding end of the filter screen is arc-shaped.

Wherein, a plurality of holes are arranged on the filter screen, and the aperture of the holes is 0.5-3 mm.

The slurry filtering device further comprises a control device and a prompting device, wherein a pressure sensor is further arranged on the filter screen and used for detecting a pressure value on the filter screen and transmitting the pressure value to the control device, and when the control device detects that the pressure value is larger than a preset value, the control device controls the prompting device to give out a prompting sound.

Wherein the cross-sectional area of the housing is greater than the cross-sectional area of the secondary slurry pipe.

Wherein a ratio of a cross-sectional area of the housing to a cross-sectional area of the secondary slurry pipe is 1: (0.1-0.8).

Wherein, the auxiliary slurry pipes at two ends of each filtering part are respectively provided with a valve.

The slurry pipe comprises a main slurry pipe and two auxiliary slurry pipes, the two opposite ends of each auxiliary slurry pipe are connected with the main slurry pipe, each auxiliary slurry pipe is provided with three filtering parts, each filtering part comprises a shell and a filtering net radially arranged in the shell, the shell is movably connected with the auxiliary slurry pipes, the filtering nets divide the shell into a feeding area and a discharging area, the shell of the feeding area is provided with a feeding hole, and the shell of the discharging area is provided with a discharging hole.

Wherein, the filter screen is in an inverted V shape.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be described below.

FIG. 1 is a schematic structural view of a slurry filtering apparatus according to an embodiment of the present invention;

fig. 2 is a process flow diagram of a slurry filtration method according to an embodiment of the present invention.

Detailed Description

The following is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a slurry filtering apparatus, including a slurry pipe 1, the slurry pipe 1 is connected to a discharging device 2, the slurry pipe 1 includes a main slurry pipe 11 and at least two auxiliary slurry pipes 12, opposite ends of the at least two auxiliary slurry pipes 12 are connected to the main slurry pipe 11, each of the auxiliary slurry pipes 12 is provided with at least one filtering portion 13, each of the filtering portions 13 includes a casing 131 and a filter screen 132 radially disposed in the casing 131, the casing 131 is movably connected to the auxiliary slurry pipes 12, the filter screen 132 separates the inside of the casing 131 into a feeding area 135 and a discharging area 136, the casing 131 of the feeding area 135 is provided with a feeding port 133, and the casing 131 of the discharging area 136 is provided with a discharging port 134. It can be understood that the main material pulp pipe 11, the auxiliary material pulp pipe 12, the feeding port 133 and the discharging port 134 are communicated.

The slurry pipe 1 is usually a straight pipe, and the slurry will also inevitably contain impurities. When ground paste is ready to get into discharging device 2 through ground paste pipe 1 and is carried out the ejection of compact, impurity also can follow the ground paste and get into discharging device 2 together and carry out the ejection of compact, finally leads to having impurity among the granular fertilizer, has reduced granular fertilizer's quality.

The embodiment of the present invention provides a slurry pipe 12, which is provided with at least one filter 13, a filter screen 132 is disposed in the filter 13, and the filter screen 132 separates the casing 131 into a feeding area 135 and a discharging area 136, and separates the feeding port 133 and the discharging port 134, so that the slurry can pass through the filter screen 132 when passing through the filter 13. Thus, if impurities are present in the slurry, the impurities will be intercepted by the filter mesh 132 and deposited on the filter mesh 132, and the pure slurry will continue to flow through the slurry pipe 1 into the discharge device 2. The provision of the plurality of filtering portions 13 enables the impurities to be filtered a plurality of times, thereby further improving the purity of the slurry. Additionally, the utility model discloses a set up slurry pipe 1 into the form including major ingredient slurry pipe 11 and two at least vice slurry pipe 12 for impurity in certain filter screen 132 is too much and stops up filter screen 132, when making the ground paste unable smooth passage, can demolish the filter house 13 on this vice slurry pipe 12 and change or wash. At this time, due to the existence of at least two auxiliary slurry pipes 12, slurry can circulate from other auxiliary slurry pipes 12, and the production of the fertilizer granulated fertilizer cannot be influenced. Therefore, the utility model provides a ground paste filter equipment not only can filter the impurity in the ground paste effectively, still can guarantee going on continuously of production, has improved granular fertilizer's quality and production speed.

Preferably, the slurry pipe 1 comprises a main slurry pipe 11 and two auxiliary slurry pipes 12. The above arrangement ensures that the production of granulated fertilizer is not interrupted when the filter mesh 132 in one of the filter portions 13 is replaced or cleaned.

Preferably, three filtering portions 13 are provided on each of the secondary slurry pipes 12. The three filtering units 13 can filter the slurry three times and purify the slurry three times.

In the preferred embodiment of the present invention, the filter screen 132 faces the feed port 133. The impurities can be automatically moved to the side wall of the housing 131 due to gravity after the impurities are deposited on the filter screen 132 protruding toward the feed port 133, so that the number and probability of blocking the filter screen 132 by the impurities are reduced, and the service life of the filter part 13 is further prolonged. Preferably, the filter 132 has an inverted "V" shape, and impurities deposited on the filter 132 are moved to both sides.

In the preferred embodiment of the present invention, the protruding end of the filter screen 132 is circular arc. The arc-shaped protruding end can reduce a certain slurry impact force, so that the protruding end of the filter screen 132 cannot be easily damaged by the impact force of the slurry, and the service life of the filter screen 132 is prolonged.

In the preferred embodiment of the present invention, the filter screen 132 is provided with a plurality of holes, and the diameter of the holes is 0.5-3 mm. The aperture of the holes is set according to the type of raw material in the slurry and the related preparation process of the obtained slurry. Both of these conditions affect the size of the impurities in the slurry. The aperture of the holes should be smaller than that of the impurities, so that the impurities can be effectively filtered. Preferably, the aperture of the holes is 0.8-2 mm. More preferably, the aperture of the holes is 1.2-1.6 mm.

Preferably, in an embodiment of the present invention, each secondary slurry pipe 12 is provided with a first filtering portion 13, a second filtering portion 13 and a third filtering portion 13, the first filtering portion 13 is provided with a first filter screen, the second filtering portion 13 is provided with a second filter screen, the third filtering portion 13 is provided with a third filter screen, and the apertures of the holes in the first filter screen, the second filter screen and the third filter screen are sequentially reduced. The arrangement can realize graded filtration, and further improve the filtration effect. In other embodiments, two filtering portions 13 are arranged on each secondary slurry pipe 12, and the spaces of the holes in the filter screens in the two filtering portions are sequentially reduced, so that two times of classified filtering are realized.

The utility model discloses in the preferred embodiment, ground paste filter equipment still includes controlling means and suggestion device (not shown in the figure), still be equipped with pressure sensor on the filter screen 132, pressure sensor is used for detecting the last pressure value of filter screen 132, and will the pressure value convey to controlling means works as controlling means detects when the pressure value is greater than the default, controlling means will control the suggestion device sends the prompt tone.

The utility model discloses an embodiment can set up pressure sensor on filter screen 132, when there is impurity on filter screen 132, the pressure on filter screen 132 can change, pressure sensor can receive its pressure variation value. And sends its pressure change value to the control device. The control device compares the received pressure value with a predetermined value, and when the received pressure value is greater than the predetermined value, the impurities on the filter 132 are excessive, so that the replacement or cleaning is achieved. At this time, the control device controls the prompting device to send out a prompt sound or an alarm sound to remind the operator to replace or clean the filter screen 132.

In the preferred embodiment of the present invention, the cross-sectional area of the housing 131 is larger than the cross-sectional area of the secondary slurry pipe 12. Since the cross-sectional area of the housing 131 is larger than the cross-sectional area of the sub-slurry pipe 12, the area of the filtering mesh 132 is also larger than the cross-sectional area of the sub-slurry pipe 12. When impurities block part of holes of the filter screen 132, the residual holes can still allow slurry to pass through, so that the service life of the filter screen 132 is further prolonged, and the shell 131 with a larger cross-sectional area has a certain buffer effect on the slurry, so that the blockage of the circulation path of the secondary slurry pipe 12 caused by the slurry filtered by the filter screen 132 can be avoided.

In the preferred embodiment of the present invention, the ratio of the cross-sectional area of the housing 131 to the cross-sectional area of the sub-slurry pipe 12 is 1: (0.1-0.8). Preferably, the ratio of the cross-sectional area of the housing 131 to the cross-sectional area of the secondary slurry pipe 12 is 1: (0.2-0.7). More preferably, the ratio of the cross-sectional area of the housing 131 to the cross-sectional area of the secondary slurry pipe 12 is 1: (0.4-0.6).

In the preferred embodiment of the present invention, each of the two ends of the filtering portion 13 is provided with a valve 14 on the auxiliary slurry pipe 12. When the filter part 13 is removed, the valves 14 on the secondary slurry pipes 12 at both ends of the filter part 13 can be closed, so that slurry can be effectively prevented from passing through the valves, loss of slurry is avoided, and the filter part 13 is easier to disassemble.

Referring to fig. 2, an embodiment of the present invention provides a slurry filtering method, including:

providing a slurry filtering device, wherein the slurry filtering device comprises a slurry pipe 1, the slurry pipe 1 is connected with a discharging device 2, the slurry pipe 1 comprises a main slurry pipe 11 and at least two auxiliary slurry pipes 12, two opposite ends of each of the at least two auxiliary slurry pipes 12 are connected with the main slurry pipe 11, each of the auxiliary slurry pipes 12 is provided with at least one filtering part 13, each filtering part 13 comprises a shell 131 and a filtering net 132 radially arranged in the shell 131, the shell 131 is movably connected with the auxiliary slurry pipes 12, the filtering net 132 divides the shell 131 into a feeding area 135 and a discharging area 136, the shell 131 of the feeding area 135 is provided with a feeding hole 133, and the shell 131 of the discharging area 136 is provided with a discharging hole 134;

the slurry is introduced into the slurry filtering apparatus, when impurities are deposited on the filter screen 132, the filter unit 13 is removed from the secondary slurry pipe 12, then the filter screen 132 is replaced or cleaned, and the filter unit 13 is remounted on the secondary slurry pipe 12.

The embodiment of the utility model provides a pair of slurry filtering method, through adopting the utility model provides a slurry filtering device not only can filter the impurity in the ground paste effectively, still can guarantee going on continuously of production, has improved granular fertilizer's quality and production speed.

The utility model discloses in the preferred embodiment, still be equipped with pressure sensor on the filter screen 132, ground paste filter equipment still includes controlling means and suggestion device, pressure sensor is used for detecting pressure value on the filter screen 132, and will the pressure value convey to controlling means works as controlling means detects when the pressure value is greater than the default, controlling means will control suggestion device sends the prompt tone.

The foregoing detailed description has provided the embodiments of the present invention, and the principles and embodiments of the present invention are described and illustrated herein, which are merely provided to assist in understanding the methods and their core concepts of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a thick liquids filter equipment, its characterized in that, includes thick liquids pipe and discharging device, the thick liquids pipe with discharging device connects, the thick liquids pipe includes main material thick liquids pipe and two at least vice thick liquids pipes, two at least vice thick liquids pipe relative both ends all with the main material thick liquids pipe is connected, every be equipped with at least one filter house on the vice thick liquids pipe, the filter house includes the casing and radially locates filter screen in the casing, the casing with vice thick liquids pipe swing joint, the filter screen will become feeding district and ejection of compact district in the casing, be equipped with the feed inlet on the casing in feeding district, be equipped with the discharge gate on the casing in ejection of compact district.

2. The slurry filtration apparatus of claim 1, wherein said filter screen is convex toward said feed inlet.

3. The slurry filtration apparatus of claim 2, wherein the convex end of the filter screen is rounded.

4. The slurry filtration apparatus of claim 1, wherein said filter screen has a plurality of holes therein, said holes having a diameter of 0.5 mm to 3 mm.

5. The slurry filtering apparatus according to claim 1, further comprising a control device and a prompting device, wherein a pressure sensor is further disposed on said filter screen, said pressure sensor is configured to detect a pressure value on said filter screen and transmit said pressure value to said control device, and when said control device detects that said pressure value is greater than a predetermined value, said control device controls said prompting device to emit a prompting sound.

6. The slurry filtration apparatus of claim 1, wherein the cross-sectional area of the housing is greater than the cross-sectional area of the secondary slurry pipe.

7. The slurry filtration apparatus of claim 6, wherein the ratio of the cross-sectional area of the housing to the cross-sectional area of the secondary slurry pipe is 1: (0.1-0.8).

8. The slurry filtering apparatus as claimed in claim 1, wherein valves are provided in said secondary slurry pipes at both ends of each of said filtering sections.

9. The slurry filtering device according to claim 1, comprising a slurry pipe, wherein the slurry pipe is connected to the discharging device, the slurry pipe comprises a main slurry pipe and two auxiliary slurry pipes, opposite ends of the two auxiliary slurry pipes are connected to the main slurry pipe, three filtering portions are arranged on each auxiliary slurry pipe, each filtering portion comprises a housing and a filtering net radially arranged in the housing, the housing is movably connected to the auxiliary slurry pipes, the filtering net divides the housing into a feeding area and a discharging area, a feeding port is arranged on the housing of the feeding area, and a discharging port is arranged on the housing of the discharging area.

10. The slurry filtration apparatus of claim 2, wherein said filter screen is in the form of an inverted "V".