CN213375363U - Full-automatic filtration equipment - Google Patents

Abstract

The utility model discloses a full-automatic filtration equipment, including filter, feeding pipeline, ejection of compact pipeline. The filter body is a fully-closed vertical structure, the inside of the filter body is a placing type screen basket, the filter body is provided with a full-automatic cleaning device, the automatic cleaning of the flour screen can be completed within set pressure and time, and the continuous effectiveness of the filtering effect is kept. The screen basket uses the fixed screen cloth of frame rack structure, and lower port and ware body feed area intercommunication, the upper port is then sealed, can separate the solid-liquid after filtering completely, and filter area is big, and filter quality is good. The screen can be provided with filter surface nets with different meshes according to the filter materials, and the filter precision can reach 100-25 mu m. The utility model discloses filter fineness is high, efficient, self-cleaning filtering surface net, full automatic control, but one or more parallelly connected uses, is applicable to the meticulous filtration that sugar industry and other trades need the solid-liquid separation material.

Description

Full-automatic filtration equipment

Technical Field

The utility model belongs to the technical field of solid-liquid separation, concretely relates to full-automatic material filtration equipment with self-cleaning function can be used for the meticulous filtration of solid-liquid separation of materials such as sugaring trade filtered juice, sugar juice, syrup, also can be used for the meticulous filtration of solid-liquid separation of other trade materials, specifically is a full-automatic filtration equipment

Background

At present, the solid-liquid separation equipment for materials such as filtered juice, sugar juice, syrup and the like in the domestic sugar industry mostly adopts filtration equipment such as a filtration curved sieve, a thickening filter, a membrane filter press, a leaf filter and the like, and the equipment has advantages and disadvantages and can basically meet the process requirement of a sugar factory for producing first-grade finished sugar which meets the national standard requirement. However, with the variety of market demands for finished sugar, especially the increasing market demands for high quality premium and refined finished sugar, the existing filtration equipment and process in sugar mills have been unable to meet the market product demands. On the basis of the existing equipment and process conditions, secondary filtration, namely fine filtration, is added in the sugar production process, so that the index values of insoluble water impurities, turbidity, conductive ash and the like of the finished sugar are further reduced, the high-quality finished sugar is obtained, and the method becomes a new demand for improving the production process in the domestic sugar industry.

The utility model discloses can regard as the meticulous filtration equipment of sugar refinery, carry out the secondary filter to materials such as filter juice, sugar juice, syrup in the current sugaring course of the technology of sugar refinery to according to the different mesh number filter screen of filterable material configuration, filter fineness can reach 100 mu m ~ 25 mu m, can get rid of the insoluble water impurity in the material better, effectively reduce the index value such as insoluble water impurity, turbidity, the electrically conductive ash of finished sugar, thereby acquire high quality finished sugar.

Disclosure of Invention

For solving the not enough of above-mentioned prior art existence, the utility model aims at providing a filter fineness height, efficient, self-cleaning filtering surface net, full automatic control's solid-liquid separation equipment can be according to filtering material configuration different mesh number filtering surface net, and filter fineness can reach 100 mu m ~ 25 mu m, is applicable to the meticulous filtration that sugar industry and other trades need the solid-liquid separation material. Specifically, the utility model discloses a realize like this:

the utility model provides a full-automatic filtration equipment, includes feed line, ejection of compact pipeline and filter, and the filter includes the ware body of airtight vertical structure, and the bottom feeding of ware body is ejection of compact from the top, ware body is inside to hang and is equipped with the basket that communicates to ware body bottom feed area, the basket includes the fixed screen cloth of frame-type structure, and the screen cloth includes that a plurality of layers of wire side overlap in proper order installs, and belt cleaning device is still installed to the bottom of ware body, and belt cleaning device includes the washing spray tube that upwards extends along the basket inner wall, the washing spray tube is connected to the external high-pressure clean pipeline in ware body bottom, just the washing spray tube can be under the rotary device's of ware body bottom effect and do the circumference rotation around the axis of basket.

Furthermore, a top cover is arranged at the top of the device body, the bottom of the device body is of a circular arc-shaped end enclosure structure, a feeding section is arranged at the center of the bottom of the device body in a downward extending mode, a rotating device is installed at the bottom of the feeding section, and the cleaning spray pipe extends downwards along the feeding section by being connected with an L-shaped pipe and is connected with the rotating device installed outside the bottom of the feeding section.

Furthermore, the feeding section is transversely connected with a feeding port, the feeding port is connected to the feeding pipeline, a slag discharging port is arranged below the feeding port or at the bottom of the device body, and the slag discharging port is connected to a slag discharging and residual liquid discharging pipeline.

Furthermore, the screen comprises a surface net, a middle net and a bottom net which can be disassembled and replaced from inside to outside in sequence, and the pore size of each layer of net can be regularly arranged or irregularly arranged.

Furthermore, the device also comprises a controller and a pressure sensor arranged in the feeding pipeline, wherein the controller is connected to the rotating device and the pressure sensor, and the rotating device can be started and stopped under the action of the controller.

Furthermore, the controller is connected to a feeding device arranged on the feeding pipe and can control the feeding start and stop of the feeding device.

Furthermore, a rotating bearing seat for supporting the L-shaped pipe to rotate is installed in the circular arc-shaped bottom of the device body, and the L-shaped pipe penetrates through the rotating bearing seat.

Furthermore, a discharge hole is formed in the side wall of the upper portion of the device body, and a residue discharge hole is formed in the side wall of the lower portion of the device body.

Furthermore, an automatic control valve connected to a controller is installed on the residue discharge port.

Furthermore, a cleaning pressure pump is arranged on the high-pressure cleaning pipeline, and a plurality of filters can be arranged in parallel between one group of feeding pipelines and one group of discharging pipelines.

The utility model discloses a theory of operation introduces: the material to be filtered, namely the filtrate enters the filter 4 from the feeding pipeline 5, enters the body of the filter 4.1 from the feeding hole 4.1.2 at the bottom, flows through the screen basket 4.2 from inside to outside to form the filtrate, is discharged to the discharging pipeline 6 from the discharging hole 4.1.4 close to the top, and flows into the equipment of the next process. The filtered material solids are continuously accumulated inside the screen basket 4.2, the cleaning device is triggered by controlling the pressure difference between the filtered liquid and the filtered liquid, and in addition, the time control can be set. After the selected pressure difference or the set time is reached, the controller is switched to the cleaning cycle, and the filtered residual liquid is discharged from the slag discharge port 4.1.1 and the residue discharge port 4.1.3 to the residue discharge pipeline 3 through the device body 4.2 and flows back to the storage tank for filtrate. After the residual liquid is discharged, the cleaning pressurizing pump 1 is started to pressurize the cleaning liquid, the cleaning medium pressurized to 50-120 Bar is sprayed out of a cleaning spray pipe 4.3 of a cleaning device arranged in the filter 4 to flow out of a filtering area of a flow cleaning screen, and solid materials adhered to the inside of the screen basket 4.2 are peeled off. The cleaning spray pipe 4.3 moves along the circumference of the screen basket under the drive of the rotating device 4.4, and cleans the whole filtering area of the screen. The solid materials are discharged from a slag discharge port 4.1.1 at the bottom of the device body 4.1 along with the jet media, and the cleaning is finished. After the cleaning is completed, the filter starts to automatically feed again for filtering. A complete cleaning cycle takes about 5-7 minutes, and about 40L-60L of sprayed cleaning solution is required.

The utility model has the following technical characteristics:

(1) the application is wide, one or more than one of the filter elements can be used in parallel, and the filter element can be applied to fine filtration of materials such as filtered juice, sugar juice, syrup and the like in sugar manufacturing industries such as cane sugar factories, beet sugar factories, refinery sugar factories and the like with different scales. And the device can also be suitable for the fine filtration of solid-liquid separation of materials in other industries.

(2) The filter is totally enclosed vertical structure, and inside is for placing the formula basket, and the top is quick-open top cap, and the lower part is head structure, simple structure, and easy maintenance can take out the basket fast and change the screen cloth to avoid the hydrops.

(3) The screen basket uses the fixed screen cloth of frame rack structure, and the screen cloth is formed by end net, well net, face net combination, and end net welds as an organic wholely with the screen basket frame, and face net both ends use the clamp plate to be fixed in on the screen basket, have both guaranteed the intensity of screen basket and screen cloth, improve the effective filtration area of screen cloth again, and change the swift convenience of face net.

(4) The outer wall of the bottom net of the screen basket and the inner wall of the filter body form a totally-enclosed independent channel. When the filtrate enters from the lower part of the device body, the filtrate is filtered from inside to outside through the screen basket surface net, the middle net and the bottom net to form filtrate, and the filtrate flows to lower process equipment from the upper part of the device body through an independent channel. The filtered material solid continuously gathers on the surface of the flour screen due to pressure until the pressure of the screen basket is increased to 0.5MPa, and then the flour screen is automatically cleaned. The clear filtrate is completely separated from the filtered materials and the filtered solids, and the filtering quality is good.

(5) The inside full self-cleaning device that is provided with of basket is provided with unique, triggers clean circulation through the pressure differential between control filtrate and the straining clear liquid, still can set for time control. The cleaning device can rotate quickly, and the cleaning of the flour screen is completed within set pressure and time so as to keep the filtering effect continuously and effectively.

Drawings

FIG. 1 is a structure and a process flow chart of the present invention

Fig. 2 is a schematic diagram of the front view structure of the present invention.

Fig. 3 is an actual screen installation diagram of the screen basket of the present invention.

Wherein: 1-cleaning pressure pump, 2-high pressure cleaning pipeline, 3-deslagging and residual liquid discharging pipeline, 4-filter, 4.1-body, 4.1.1-deslagging port, 4.1.2-feeding port, 4.1.3-residual port, 4.1.4-discharging port, 4.2-screen basket, 4.3-cleaning spray pipe, 4.2.1-surface net, 4.2.2-middle net, 4.2.3-bottom net, 4.2.4-pressing plate, 4.4-rotating device, 4.5-L-shaped pipe, 4.6-rotating bearing seat, 5-feeding pipeline and 6-discharging pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail with reference to the accompanying drawings 1-3 with reference to the following embodiments. 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.

Example (b):

a full-automatic filtering device comprises a feeding pipeline 5, a discharging pipeline 6 and a filter 4, wherein the filter 4 comprises a device body 4.1 with a closed vertical structure, the device body 4.1 is fed from the bottom and discharged from the top, a screen basket 4.2 communicated to a feeding area at the bottom of the device body 4.1 is suspended inside the device body 4.1, the screen basket 4.2 comprises a screen with a fixed frame structure, the screen comprises a plurality of layers of screen surfaces which are sequentially arranged in a nested manner, a cleaning device is further arranged at the bottom of the device body 4.1, the cleaning device comprises a cleaning spray pipe 4.3 extending upwards along the inner wall of the screen basket 4.2, the cleaning spray pipe 4.3 is connected to a high-pressure cleaning pipeline 2 externally connected to the bottom of the device body 4.1, and the cleaning spray pipe 4.3 can rotate around the axis of the screen basket 4.2 in a circumferential manner under the action of a rotating device 4.4 at the bottom of the device body. During the in-service use, feed line 5 carries the bottom feeding of ware body 4.1 with the feed liquid that waits to filter, get into basket 4.2 from the bottom feeding district afterwards, the feed liquid is outside from basket 4.2 behind the screen cloth that a plurality of layers of wire side constitute, accomplish and filter, impurity and large granule object are kept apart and are adsorbed on the screen cloth, the export of export entering discharge line 6 from the top of the feed liquid after filtering accomplishes the ejection of compact, after the impurity that is held back on the screen cloth by the filtration reaches a certain quantity, stop the feeding, belt cleaning device starts, washing spray tube 4.3 washes the big particulate matter of impurity of adhesion on the inner wall along the inner wall of basket 4.2 under the effect of high pressure water, make impurity and large granule thing along with water liquid discharge from ware body 4.1 bottom together, accomplish the direct washing of screen cloth, and is quick effective, can continue filtering work afterwards. The top of the device body 4.1 is provided with a top cover, the bottom of the device body is of a circular arc-shaped end enclosure structure, a feeding section extends downwards at the center of the bottom of the device body, a rotating device 4.4 is installed at the bottom of the feeding section, and a cleaning spray pipe 4.3 extends downwards along the feeding section by being connected with an L-shaped pipe 4.5 and is connected with the rotating device 4.4 installed at the bottom of the feeding section and externally arranged. The design of the L-shaped pipe 4.5 ensures that the pipeline can rotate along the middle shaft in a transmission way, and the cleaning spray pipe 4.3 is close to the surface of the screen, thereby shortening the spray distance and improving the cleaning efficiency. The feeding section is transversely connected with a feeding port 4.1.2, the feeding port 4.1.2 is connected to a feeding pipeline 5, a slag discharge port 4.1.1 is formed below the feeding port 4.1.2 or at the bottom of the device body 4.1, the slag discharge port 4.1.1 is connected to a slag discharge and residual liquid discharge pipeline 3, when the device is in a flushing state, mixed material slag and water liquid are discharged from the slag discharge port 4.1.1, and an automatic or manual valve can be arranged at the slag discharge port 4.1.1. The screen mesh comprises a detachable and replaceable surface mesh 4.2.1, a middle mesh 4.2.2 and a bottom mesh 4.2.3 from inside to outside in sequence, and the pore size of each layer of mesh can be regularly arranged or irregularly arranged.

Preferably, the utility model discloses still including the controller with install the pressure sensor in feed line 5, the controller is connected to rotary device 4.4 and pressure sensor, the controller is connected to and installs feed arrangement on feed line 5 to can control feed arrangement's feeding and open and stop, rotary device 4.4 can open under the effect of controller and stop. When the filtered material solids are continuously gathered inside the screen basket 4.2, the pressure in the feeding pipeline 5 is gradually increased, the pressure sensor senses that the pressure value exceeds the preset value and then feeds back the controller, the situation that the accumulated material solids are too much at the moment is shown, the controller stops feeding, the cleaning device is triggered and started, and in addition, the time control can be set. After the selected pressure difference or the set time is reached, the controller is switched to the cleaning cycle, and the filtered residual liquid is discharged from the slag discharge port 4.1.1 and the residue discharge port 4.1.3 to the residue discharge pipeline 3 through the device body 4.2 and flows back to the storage tank for filtrate. After the residual liquid is discharged, the cleaning pressurizing pump 1 is started to pressurize the cleaning liquid, the cleaning medium pressurized to 50-120 Bar is sprayed out of a cleaning spray pipe 4.3 of a cleaning device arranged in the filter 4 to flow out of a filtering area of a flow cleaning screen, and solid materials adhered to the inside of the screen basket 4.2 are peeled off. The cleaning spray pipe 4.3 moves along the circumference of the screen basket under the drive of the rotating device 4.4, and cleans the whole filtering area of the screen. The solid materials are discharged from a slag discharge port 4.1.1 at the bottom of the device body 4.1 along with the jet media, and the cleaning is finished. After the cleaning is completed, the filter starts to automatically feed again for filtering. A complete cleaning cycle takes about 5-7 minutes, and about 40L-60L of sprayed cleaning solution is required.

Preferably, a rotary bearing seat 4.6 for supporting the L-shaped pipe 4.5 to rotate is arranged in the circular arc-shaped bottom of the body 4.1, and the L-shaped pipe 4.5 penetrates through the rotary bearing seat 4.6. The upper side wall of the device body 4.1 is provided with a discharge hole 4.1.4, and the lower side wall of the device body 4.1 is provided with a residue discharge hole 4.1.3. The residue discharge port 4.1.3 is provided with an automatic control valve connected to a controller. The high-pressure cleaning pipeline 2 is provided with a cleaning pressure pump 1, and a plurality of filters 4 can be arranged in parallel between a group of feeding pipelines 5 and a group of discharging pipelines 6 for parallel use.

It is to 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 modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in 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 (10)

1. A full-automatic filtering device comprises a filter (4), a feeding pipeline (5) and a discharging pipeline (6), it is characterized in that the filter (4) comprises a closed vertical structure body (4.1), the bottom of the body (4.1) is fed with material and the material is discharged from the top, a screen basket (4.2) communicated with a feeding area at the bottom of the vessel body (4.1) is suspended in the vessel body (4.1), the screen basket (4.2) comprises a screen mesh fixed by a frame structure, the screen mesh comprises a plurality of layers of screen surfaces which are sequentially nested and installed, the bottom of the device body (4.1) is also provided with a cleaning device, the cleaning device comprises a cleaning spray pipe (4.3) which extends upwards along the inner wall of the screen basket (4.2), the cleaning spray pipe (4.3) is connected to a high-pressure cleaning pipeline (2) externally connected to the bottom of the device body (4.1), and the cleaning spray pipe (4.3) can rotate circularly around the axis of the screen basket (4.2) under the action of a rotating device (4.4) at the bottom of the device body (4.1).

2. The full-automatic filtering equipment as claimed in claim 1, wherein a top cover is arranged at the top of the equipment body (4.1), the bottom of the equipment body is of a circular arc-shaped end enclosure structure, a feeding section is arranged at the central part of the bottom of the equipment body in a downward extending mode, a rotating device (4.4) is arranged at the bottom of the feeding section, and the cleaning spray pipe (4.3) extends downwards along the feeding section through being connected with an L-shaped pipe (4.5) and is connected with the rotating device (4.4) arranged outside at the bottom of the feeding section.

3. The full-automatic filtering equipment according to claim 2, characterized in that the feeding section is transversely connected with a feeding port (4.1.2), the feeding port (4.1.2) is connected to the feeding pipeline (5), a slag discharging port (4.1.1) is arranged below the feeding port (4.1.2) or at the bottom of the equipment body (4.1), and the slag discharging port (4.1.1) is connected to a slag discharging and residual liquid discharging pipeline (3).

4. The full-automatic filtering equipment according to claim 1, wherein the screen comprises a surface net (4.2.1), a middle net (4.2.2) and a bottom net (4.2.3) which can be disassembled and replaced from inside to outside in sequence, and the pore sizes of the nets can be regularly arranged or irregularly arranged.

5. The full-automatic filtering equipment according to claim 1, further comprising a controller and a pressure sensor installed in the feeding pipeline (5), wherein the controller is connected to the rotating device (4.4) and the pressure sensor, and the rotating device (4.4) can be started and stopped under the action of the controller.

6. The full-automatic filtering equipment according to claim 5, wherein the controller is connected to a feeding device arranged on the feeding pipeline (5) and can control the feeding start and stop of the feeding device.

7. The full-automatic filtering equipment according to claim 2, characterized in that a rotary bearing seat (4.6) for supporting the L-shaped pipe (4.5) to rotate is installed in the circular arc-shaped bottom of the equipment body (4.1), and the L-shaped pipe (4.5) penetrates through the rotary bearing seat (4.6).

8. The full-automatic filtering equipment according to claim 1, characterized in that the upper side wall of the vessel body (4.1) is provided with a discharge port (4.1.4), and the lower side wall of the vessel body (4.1) is provided with a residue discharge port (4.1.3).

9. A fully automatic filtration device according to claim 8 wherein the reject port (4.1.3) is fitted with a self-controlled valve connected to a controller.

10. The fully automatic filtration equipment according to any one of claims 1 to 9, wherein a washing pressure pump (1) is installed on the high pressure cleaning pipeline (2), and a plurality of filters (4) according to any one of claims 1 to 9 can be installed in parallel between a group of feeding pipelines (5) and discharging pipelines (6).

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