CN210314185U - Continuous filtering device and continuous filtering equipment - Google Patents
Continuous filtering device and continuous filtering equipment Download PDFInfo
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- CN210314185U CN210314185U CN201920859538.6U CN201920859538U CN210314185U CN 210314185 U CN210314185 U CN 210314185U CN 201920859538 U CN201920859538 U CN 201920859538U CN 210314185 U CN210314185 U CN 210314185U
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Abstract
The utility model relates to a continuous type filter equipment and continuous type filtration equipment, continuous type filter equipment includes: the adding tank is used for containing a filtering medium for filtering wine liquid; at least two groups of filter tanks, wherein the filter tanks are communicated with the adding tank, a first valve is arranged between at least one group of filter tanks and the adjacent group of filter tanks, and filter elements are arranged in the filter tanks and used for filtering wine; the first pipeline is communicated with one end of the adding tank and one end of the filtering tank, and a second valve is arranged between the first pipeline and the filtering tank; the second pipeline is communicated with the other end of the filtering tank, and a third valve is arranged between the second pipeline and the filtering tank; the cleaning tank is communicated with the filtering tank, and a pipeline connected with the filtering tank forms a loop for providing cleaning liquid into the filtering tank. The utility model provides an incessant filtration can be in succession carried out to continuous formula filter equipment, provides production efficiency.
Description
Technical Field
The utility model relates to a wine production technical field, in particular to continuous type filter equipment and continuous type filtration equipment.
Background
At present, a newly built large and medium brewery tends to use a regenerative PVPP stabilizer and is matched with related stabilizing equipment for beer stabilization. The regeneration type PVPP stabilization equipment comprises a precoating type filter, and the aim of the regeneration type PVPP stabilization equipment is not to clarify and filter beer, but the regeneration type PVPP stabilization equipment is often called a PVPP filter. Filtration section PVPP stabilization apparatus using candle filters we refer to candle PVPP filters.
The candle type PVPP filter mainly has the following problems:
(1) since the PVPP is attached to the vertical cylindrical surface, the filter layer thickness of the PVPP increases continuously, the load capacity increases continuously, and the influence of pressure fluctuation is large. Once there are large pressure fluctuations, the filter candle is affected.
(2) The filtration process should not be stopped. When the power is cut off or the machine is abnormally stopped, the PVPP filtering layer is easy to fall off, and the filtering effect after recovery is influenced.
(3) The filter candle column has high requirement on the clearance height and high requirement on the space.
(4) The head and the tail of the wine can not be compressed by sterile gas, and can only be replaced by deoxygenated water, a large amount of wine-water mixture can be generated, and the wine is discharged in the regeneration process, so that the wine loss is large.
(5) Only one filter tank (only one inlet and outlet at two ends) and one CIP system are adopted. When the PVPP needs to be subjected to regeneration treatment, the filtration of the liquor can only be suspended, the regeneration treatment of the PVPP is carried out, the beer filtration can be carried out again after the regeneration treatment is finished, and the filtration efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an object of the present invention is to provide a continuous filtering apparatus with high filtering efficiency.
The utility model provides a continuous type filter equipment, include: the adding tank is used for containing a filtering medium for filtering wine liquid; at least two groups of filter tanks, wherein the filter tanks are communicated with the adding tank, a first valve is arranged between at least one group of filter tanks and the adjacent group of filter tanks, and filter elements are arranged in the filter tanks and used for filtering wine; the first pipeline is communicated with one end of the adding tank and one end of the filtering tank, and a second valve is arranged between the first pipeline and the filtering tank; the second pipeline is communicated with the other end of the filtering tank, and a third valve is arranged between the second pipeline and the filtering tank; the cleaning tank is communicated with the filtering tank, and a pipeline connected with the filtering tank forms a loop for providing cleaning liquid into the filtering tank.
Optionally, the method further comprises: one end of the third pipeline is respectively communicated with one end of the cleaning tank and one end of the filtering tank and is used for providing cleaning liquid into the filtering tank, the second valve is a first double valve seat, and the third pipeline is connected with the first pipeline through the double valve seats; and one end of the fourth pipeline is respectively communicated with the other end of the cleaning tank and the other end of the filtering tank and used for recovering the cleaned cleaning liquid, the third valve is a second double valve seat, and the fourth pipeline is connected with the second pipeline through the second double valve seat.
Optionally, the method further comprises: the gas supply pipeline is communicated with the fourth pipeline, and a fourth valve is arranged between the gas supply pipeline and the fourth pipeline and used for conveying gas into the filter tank; a fifth valve is arranged between the cleaning tank and the fourth pipeline.
Optionally, the method further comprises: and one end of the recovery pipeline is communicated with the filtering tank, the other end of the recovery pipeline is communicated with the adding tank and is used for recovering the filtering medium, and a sixth valve is arranged on the recovery pipeline.
Optionally, the filter element is a ceramic membrane.
Optionally, the filter medium is crospovidone.
Optionally, the method further comprises: the adding pump is arranged between the adding tank and the first pipeline; and the wine supply pump is arranged on the first pipeline and used for providing power for the wine liquid to enter the filtering tank.
Optionally, the method further comprises: and the cleaning pump is arranged on the fourth pipeline.
Optionally, the method further comprises: and the seventh valve is arranged between the filter tank and the first pipeline.
The utility model also provides a continuous filtering device, which comprises any one of the continuous filtering devices; an unfiltered wine tank connected to the first pipe; and the filtered wine tank is connected with the second pipeline.
As above, the utility model provides a continuous type filter equipment is owing to include at least two sets of filter tanks, consequently when wherein at least a set of filter tank is in the filtration state, can wash another at least a set of filter tank simultaneously to make the filter medium regeneration in this group's jar, resume filtration ability, as reserve. The wine filtering device is alternately carried out, the wine can be continuously filtered, the filtering efficiency is high, and the filtering efficiency is low because only one action of filtering or cleaning regeneration can be carried out in the same time unlike the prior art.
In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 shows a continuous filtration apparatus according to an embodiment of the present invention.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, the continuous filtering apparatus according to the embodiment of the present invention includes an adding tank 10, at least two sets of filtering tanks, a first pipeline 30, a second pipeline 40, and a cleaning tank 50. It should be noted that a group of filter canisters may include only one filter canister 20, or may include more than two filter canisters 20. The number of canisters 20 may be the same or different between groups. The number of groups and the number of filter canisters 20 in each group may be determined by one skilled in the art according to practical circumstances, and is not limited thereto. In this embodiment, the continuous filter device includes two sets of filter canisters, and each set of filter canisters includes two filter canisters 20.
Wherein, the adding tank 10 is used for containing the filter medium for filtering the wine liquid, the filtering tank 20 is communicated with the adding tank 10, and a first valve 21 is arranged between at least one group of filtering tanks and the adjacent group of filtering tanks in at least two groups of filtering tanks. The filter tank 20 is provided with a filter element 22 for filtering the wine. The first pipeline 30 is communicated with one end of the adding tank 10 and one end of the filtering tank 20, and a second valve 31 is arranged between the first pipeline 30 and the filtering tank 20. The second pipeline 40 is communicated with the other end of the filter tank 20, and a third valve 41 is arranged between the second pipeline 40 and the filter tank 20. The wash tank 50 is in communication with the filter tank 20, and the piping of the wash tank 50 to the filter tank 20 forms a loop for supplying a wash liquid into the filter tank 20.
That is, the continuous filtration apparatus is provided with at least two sets of filtration tanks, the addition tank 10 and the cleaning tank 50. The adding tank 10 is communicated with the filtering tanks 20 through a first pipeline 30, the first pipeline 30 can convey the filtering medium and the wine liquid in the adding tank 10 to the filtering tanks 20, a first valve 21 is arranged between at least one filtering tank 20 and other filtering tanks 20 in at least more than two filtering tanks 20, and the at least one filtering tank 20 and other filtering tanks 20 can be independently controlled through the first valve 21. That is, at least one filter canister 20 may filter the wine liquid out of sync with other filter canisters 20. When at least one of the filter canisters 20 is in a filtering state, the other filter canisters 20 do not perform a filtering operation, and are reserved for performing a filtering operation at the next time; when at least one of the filter tanks 20 is in the cleaning regeneration state, the other filter tanks 20 are in the filtering state to filter the wine. Thereby, the wine is filtered continuously, and the second pipeline 40 is communicated with the filtering tank 20 to convey the filtered wine to the filtered wine tank (not shown in the figure) for storage.
The utility model provides a continuous type filter equipment because including at least two sets of filter tanks, consequently when wherein at least a set of filter tank is in the filtration state, can wash another at least a set of filter tank simultaneously to make the filter medium regeneration in this group's jar, resume filtering capability, as reserve. The continuous filtering state can be maintained for the wine liquid by the alternative operation, the filtering efficiency is high, the production efficiency is further improved, and the operation is not as low as that of the prior art, only one action of filtering or cleaning regeneration can be performed in the same time, and the filtering efficiency is low.
According to an embodiment of the present invention, the continuous filtration device further comprises a third duct 60 and a fourth duct 70.
Referring to fig. 1, one end of a third pipe 60 communicates with one end of the cleaning tank 50 and one end of the filter tank 20, respectively, for supplying a cleaning solution into the filter tank 20. The second valve 31 is a first double valve seat, and the third pipeline 60 is connected with the first pipeline 30 through the first double valve seat; one end of the fourth pipe 70 is communicated with the other end of the cleaning tank 50 and the other end of the filtering tank 20, respectively, for recovering the cleaning solution after cleaning. The third valve 41 is a second double valve seat through which the fourth conduit 70 is connected to the second conduit 40.
That is, the cleaning tank 50 is connected with the filtering tank 20 through the third pipe 60 and the fourth pipe 70 to form an independent loop, and the filtering tank 20 can be opened when filtering the wine or cleaning through the double valve seat connection, so that the liquid can flow into the filtering tank, and the double valve seats can open different pipes according to the filtering and cleaning process, so that different processes correspond to different pipes, and the control mode is simple and convenient to operate.
According to another embodiment of the present invention, the continuous filtering apparatus further comprises a gas supply pipeline 80, the gas supply pipeline 80 is communicated with the fourth pipeline 70, a fourth valve 81 is disposed between the gas supply pipeline 80 and the fourth pipeline 70 for delivering gas into the filtering tank 20, and a fifth valve 71 is disposed between the cleaning tank 50 and the fourth pipeline 70.
That is, when at least one is through setting up gas supply line 80, filter when the wine liquid and finish, because still there is the wine liquid in the filter tank 20 before rinsing filter tank 20, through importing gas to gas supply line 80 this moment, so that filter tank 20 in remaining wine liquid push back to in first pipeline 30 under the effect of pressure, and flow into the third along with the wine liquid in the first pipeline, in the fourth filter tank 20, filter once more, and then avoided the waste of wine liquid, can effectual elimination foreshot and feints, the cost is reduced.
Preferably, the gas may be carbon dioxide gas. In other embodiments, the gas may be other sterile inert gases, and is not particularly limited herein.
The utility model discloses an in some embodiments, continuous type filter equipment still includes recovery pipeline 90, and recovery pipeline 90 one end communicates with filtering jar 20, and the other end communicates with adding jar 10 for retrieve filter media, is equipped with sixth valve 91 on the recovery pipeline 90.
That is, after the cleaning of the filter medium is finished, the cleaned filter medium can be recovered to the addition tank 10 through the recovery pipe 90 by applying pressure to the inside of the filter pipe, that is, by introducing gas again, so as to prepare for the next filtration of the wine.
Optionally, the filter element 22 is a ceramic membrane. The ceramic membrane can be repeatedly washed, and the service life of the ceramic membrane can be as long as 10 years, so that the ceramic membrane is not easy to deform and damage. On the other hand ceramic membrane compares in the filtration candle stick of candle PVPP filter, and its aperture is less, and the filter medium can be more firm adsorb on the ceramic membrane surface, is difficult for droing, and the headroom requirement of ceramic membrane is lower relatively.
Optionally, the filter medium is crospovidone, abbreviated PVPP. The medium is a common filter medium in wine, and can effectively remove phenolic substances in the wine to ensure the stability of the wine.
The utility model provides a continuous type filter equipment can also be including adding pump 11, supplying wine pump 32 and scavenging pump 51.
The addition pump 11 is disposed between the addition tank 10 and the first pipe 30, the wine supply pump 32 is installed on the first pipe 30 for supplying power to the wine into the filter tank 20, and the washing pump 51 is disposed on the fourth pipe 70. Namely, the pump body can provide conveying power for the wine or the cleaning liquid.
Optionally, the continuous filtering apparatus may further include a seventh valve 23, and the seventh valve 23 is disposed between the filter canister 20 and the first pipe 30. The seventh valve 23 can be opened when the incompletely filtered residual wine is returned to the first pipeline 30 before the PVPP in the saturated state in the filter tank 20 is cleaned, so that the residual wine can be recovered and filtered, and the wine waste can be avoided. The seventh valve 23 may further be provided with a filter medium, such as a ceramic membrane, on the side facing the filter tank 20, so that during the process of pressing the wine back to the first pipe 30, the PVPP in the filter tank 20 is prevented from being discharged to the first pipe 30 together with the residual wine, thereby preventing the filter purity from being affected.
The following further describes a specific working process of the continuous filtering device provided by the embodiment of the present invention. In order to make the explanation more clear, the filter tanks 20 in fig. 1 are a first filter tank, a second filter tank, a third filter tank and a fourth filter tank from left to right. Wherein, the first group includes first filter tank and second filter tank, and the second group includes third filter tank and fourth filter tank. In the following, the first group is first performed with filtering operation, the second group is then performed with filtering operation as an example, but it can be understood by those skilled in the art that the number of groups, the sequence of filtering operations of each group, the number of filters in each group, etc. can be determined according to the actual situation (e.g. time, cost, purity after filtering, etc.). The filter media 22 of each canister 20 has PVPP attached thereto.
(1) In the first stage, the first group, namely the first filter tank and the second filter tank are in a normal filtering state, and the second group, namely the third filter tank and the fourth filter tank are in a standby state. At this stage, referring to fig. 1, the first valve 21 and the fourth valve 81 are closed, and the second valve 31 and the third valve 41 are opened. The unfiltered wine enters from one side of the first pipeline 30 under the action of the wine supply pump 32, and then enters one end of the first filter tank and one end of the second filter tank through the second valve 31 along the first pipeline 30. In the first and second filter tanks, PVPP is attached to the filter medium 22 (ceramic membrane rod in this embodiment) to filter the wine. The filtered clear liquid flows to the second pipeline 40 from one end of the first filtering tank and one end of the second filtering tank through the third valve 41, and then flows out along the second pipeline 40, and further can directly flow into the filtered wine tank for storage.
(2) And in the second stage, the first group, namely the first filtering tank and the second filtering tank are in a filtering saturation state, and the second group, namely the third filtering tank and the fourth filtering tank are in a normal filtering state. At this stage, the first valve 21, the fourth valve 81, and the seventh valve 23 are opened. Carbon dioxide gas passes through the gas supply pipeline 80, the fourth valve 81 enters the fourth pipeline 70, and then enters the filter tank 20 from the other end of the first filter tank and the second filter tank through the third valve 41, so that the residual wine liquid in the first filter tank and the second filter tank is back-pressed to the first pipeline 30 under the action of pressure, and enters the third filter tank and the fourth filter tank along with the wine liquid before filtration in the first pipeline 30, so as to carry out secondary filtration, further avoid the waste of the wine liquid, can effectively eliminate the wine head and the wine tail, and reduce the cost. Since the seventh valve 23 is provided with a filter medium, such as a ceramic membrane, on the side facing the filter tank 20, the PVPP in the filter tank 20 is prevented from being discharged to the first pipe 30 together with the residual wine liquid, which affects the filtration purity.
(3) And in the third stage, the first group, namely the first filter tank and the second filter tank are in a PVPP cleaning state, and the second group, namely the third filter tank and the fourth filter tank are still in a normal filtering state. At this stage, the fourth valve 81 is closed, and the fifth valve 71 and the eighth valve 61 are opened. The cleaning liquid in the cleaning tank 50 flows out from one end of the cleaning tank 50 to the third pipeline 60, then enters the filter tank 20 from one end of the first filter tank and the second filter tank through the eighth valve 61 and the second valve 31 under the action force of the cleaning pump 51, flows out from the other end of the first filter tank and the second filter tank, and then flows back to the cleaning tank 50 from the other end of the cleaning tank 50 through the third valve 41, the fourth pipeline 70 and the fifth valve 71, and the cleaning is circulated in such a way until the PVPP in the first filter tank and the second filter tank is cleaned and regenerated, the filtering capacity is recovered, and therefore the cleaning of the first filter tank and the second filter tank is stopped. In this stage, the second group, i.e., the third and fourth filter tanks, maintains the filtration of the pre-filtered wine as in the second stage.
(4) And in the fourth stage, the first group, namely the first filter tank and the second filter tank are in a PVPP recovery state, and the second group, namely the third filter tank and the fourth filter tank are still in a normal filtering state. At this stage, the fourth valve 81 and the sixth valve 91 are opened. Similarly to the second stage, the carbon dioxide gas enters the fourth pipeline 70 through the gas supply pipeline 80 and the fourth valve 81, and then enters the filter tank 20 from the other end of the first filter tank and the second filter tank through the third valve 41, so that the cleaned PVPP in the first filter tank and the second filter tank flows out from one end of the first filter tank and the second filter tank under pressure, and is pressed into the recovery pipeline 90 through the sixth valve 91, and the recovery of the PVPP in the first filter tank and the second filter tank is completed. In this stage, the second group, i.e., the third and fourth canisters, maintains the filtration of the pre-filtered wine as in the second and third stages.
(5) In the fifth stage, the second group, namely the third filter tank and the fourth filter tank are kept in a normal filtering state, and the first group, namely the first filter tank and the second filter tank are in a standby state. The specific working state of the fifth stage can be easily understood by those skilled in the art according to the situation of the first stage, and will not be described herein.
When the second group, i.e., the third filtration tank and the fourth filtration tank reach a filtration saturation state, the similar cleaning, recovery, etc. of the first group is referred to.
To sum up, compared with the conventional candle PVPP filter, (1) the continuous filtering device of the embodiment of the present invention can continuously and uninterruptedly filter materials, thereby improving the production efficiency, while the conventional candle PVPP filter usually has only one filtering tank, and when the filtering capacity of the conventional candle PVPP filter reaches the saturation state and needs to be cleaned and regenerated, the whole filtering process needs to be suspended, and the filtering capacity can be continued after being recovered, thereby reducing the filtering efficiency; (2) the foreshot and the feints are eliminated, and the production cost is reduced; (3) the pressure resistance is higher than that of the traditional PVPP filter and can reach more than 10 bar; (4) the production efficiency and the maximum utilization rate of equipment can be improved by increasing or decreasing the number of the ceramic membranes and changing the combination mode of each group of filter tanks (such as the number of each group of filter tanks), and the working efficiency can be improved by 10-20%.
The utility model discloses continuous type filtration equipment of second aspect embodiment, including the continuous type filter equipment of above-mentioned embodiment, unfiltered wine jar and filtered wine jar.
Specifically, an unfiltered wine canister is connected to the first conduit 30 and a filtered wine canister is connected to the second conduit 40.
According to the utility model discloses continuous type filtration equipment includes the continuous type filter equipment according to above-mentioned embodiment, because according to the utility model discloses the continuous type filter equipment of above-mentioned embodiment has above-mentioned technological effect, consequently, according to the utility model discloses continuous type filtration equipment also has above-mentioned corresponding technological effect, no longer gives details here. Other structures and operations of the vehicle according to the embodiments of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
To sum up, the above embodiments provided by the present invention are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A continuous filtration device, comprising:
the adding tank is used for containing a filtering medium for filtering wine liquid;
the filter tanks are communicated with the adding tank, a first valve is arranged between at least one filter tank of the at least two groups of filter tanks and the adjacent filter tank of the at least two groups of filter tanks, and filter elements are arranged in the filter tanks and used for filtering wine;
the first pipeline is communicated with one end of the adding tank and one end of the filtering tank, and a second valve is arranged between the first pipeline and the filtering tank;
the second pipeline is communicated with the other end of the filter tank, and a third valve is arranged between the second pipeline and the filter tank;
the washing jar, wash the jar with it is linked together to filter the jar, just wash the jar with the pipeline that the jar is connected filters forms the return circuit, be used for to provide the washing liquid in the jar filters.
2. The continuous filter apparatus of claim 1, further comprising:
one end of the third pipeline is respectively communicated with one end of the cleaning tank and one end of the filtering tank and is used for providing cleaning liquid into the filtering tank, the second valve is a first double valve seat, and the third pipeline is connected with the first pipeline through the double valve seats;
and one end of the fourth pipeline is communicated with the other end of the cleaning tank and the other end of the filtering tank respectively and is used for recovering the cleaned cleaning liquid, the third valve is a second double valve seat, and the fourth pipeline is connected with the second pipeline through the second double valve seat.
3. The continuous filter apparatus of claim 2, further comprising:
the gas supply pipeline is communicated with the fourth pipeline, and a fourth valve is arranged between the gas supply pipeline and the fourth pipeline and used for conveying gas into the filter tank;
and a fifth valve is arranged between the cleaning tank and the fourth pipeline.
4. The continuous filter apparatus of claim 3, further comprising:
and one end of the recovery pipeline is communicated with the filtering tank, the other end of the recovery pipeline is communicated with the adding tank and is used for recovering the filtering medium, and a sixth valve is arranged on the recovery pipeline.
5. The continuous filtration device of claim 1, wherein the filter element is a ceramic membrane.
6. The continuous filtration device of claim 1, wherein the filtration medium is crospovidone.
7. The continuous filter apparatus of claim 1, further comprising:
an addition pump disposed between the addition tank and the first pipe;
and the wine supply pump is arranged on the first pipeline and is used for providing power for wine liquid to enter the filtering tank.
8. The continuous filter apparatus of claim 2, further comprising:
a purge pump disposed on the fourth conduit.
9. The continuous filter apparatus of claim 2, further comprising:
a seventh valve disposed between the canister and the first conduit.
10. A continuous filtration apparatus comprising a continuous filtration device defined by any one of claims 1-9;
an unfiltered wine tank connected to the first conduit;
a filtered wine tank connected to the second conduit.
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| CN201920859538.6U CN210314185U (en) | 2019-06-10 | 2019-06-10 | Continuous filtering device and continuous filtering equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117519A (en) * | 2019-06-10 | 2019-08-13 | 宁波乐惠国际工程装备股份有限公司 | Continuous filtering device and continous way filter plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117519A (en) * | 2019-06-10 | 2019-08-13 | 宁波乐惠国际工程装备股份有限公司 | Continuous filtering device and continous way filter plant |
| CN110117519B (en) * | 2019-06-10 | 2024-04-05 | 宁波乐惠国际工程装备股份有限公司 | Continuous filter device and continuous filter equipment |
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