Equipment capable of replacing filter on line

Abstract

The embodiment of the utility model discloses equipment capable of replacing a filter on line. The equipment comprises a storage device, a working filter and at least one idle filter, the storage device is communicated with the working filter and each idle filter through a flowing path; the working filter is arranged in the first flow path; each idle filter is arranged in the second flow path; the working filter is used for filtering the fluid or non-fluid stored in the storage device; the idle filter is used for replacing the working filter to filter the fluid or the non-fluid stored in the storage device when the working filter meets the replacement condition, so that the problem that irreversible loss is caused to the capacity due to the fact that the filter needs to be replaced under the condition that equipment stops running is solved; and the filter can be switched under the condition of equipment operation, so that the capacity loss caused by replacing the filter is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field especially relates to a device of filter can be replaced on line. BACKGROUND

[0002] Filter is indispensable pipeline annex in industrial production, installs on pipeline can remove solid impurity in fluid or non - fluid, makes machine equipment (for example, compressor or pump etc.

[0003] Traditional filter replacement operation needs to replace under the condition that the equipment stops running, and this replacement method is low in efficiency, long in downtime and causes irreversible loss to production capacity.

[0004] How to switch filter under the condition that the equipment runs and reduce production capacity loss caused by filter replacement is an important problem in the industry. UTILITY MODEL CONTENTS

[0005] The utility model provides a device of filter can be replaced on line to solve the problem of low replacement efficiency, long downtime and irreversible loss to production capacity under the condition that the equipment stops running, can switch filter under the condition that the equipment runs and reduce production capacity loss caused by filter replacement.

[0006] According to one aspect of the utility model, a device of filter can be replaced on line is provided, comprising: storage device, working filter and at least one idle filter;

[0007] The storage device is communicated with the working filter and each idle filter through flow path;

[0008] The working filter is arranged in first flow path;

[0009] Each idle filter is arranged in second flow path respectively;The first flow path is parallelly connected with each second flow path;During the working process of the working filter, the first flow path is conducted, and the second flow path is disconnected;

[0010] The storage device is used for storing fluid or non - fluid;

[0011] The working filter is used for filtering fluid or non - fluid stored in the storage device;

[0012] The idle filter is used to replace the working filter to filter the fluid or non-fluid stored in the storage device when the working filter meets the replacement condition.

[0013] In an optional implementation of the embodiment, the pressure sensor is further included.

[0014] The pressure sensor is installed in a third flow path after the first flow path and the second flow path are merged.

[0015] The pressure sensor is used to monitor the pressure value of the third flow path.

[0016] In an optional implementation of the embodiment, a first electric valve is installed on the upper side of the working filter and a second electric valve is installed on the lower side of the working filter in the first flow path; the closing states of the first electric valve and the second electric valve are consistent.

[0017] A first electric throttle valve is further installed in the first flow path.

[0018] A first pressure sensor is further installed in the first flow path.

[0019] In an optional implementation of the embodiment, a third electric valve is installed on the upper side of the working filter and a fourth electric valve is installed on the lower side of the working filter in the second flow path; the closing states of the third electric valve and the fourth electric valve are consistent.

[0020] A second electric throttle valve is further installed in the second flow path.

[0021] A second pressure sensor is further installed in the second flow path.

[0022] In an optional implementation of the embodiment, the first flow path and the second flow path are communicated through a first transverse flow path and a second transverse flow path.

[0023] The first transverse flow path includes a first valve switch and a third valve switch.

[0024] The second transverse flow path includes a second valve switch and a fourth valve switch.

[0025] The first transverse flow path is communicated with a loop flow path, and a flow sensor is installed in the loop flow path.

[0026] In an optional implementation of the embodiment, the first valve switch and the second valve switch are closed during the working process of the working filter.

[0027] In an optional implementation of the embodiment, the storage device is further in communication with the working filter or the idle filter through a filling flow path;

[0028] The filling flow path comprises a first transverse flow path, a second transverse flow path and a loop flow path.

[0029] In an optional implementation of the embodiment, the processor is further included;

[0030] The processor is connected with the storage device, the working filter, each idle filter and the pressure sensor respectively;

[0031] The processor is configured to issue a filter replacement instruction when it is determined that the filtering result of the working filter does not meet the filtering requirement.

[0032] In an optional implementation of the embodiment, the working end is further included;

[0033] The working end is in communication with the third flow path and the loop flow path.

[0034] The working end is a supply end of the filtered fluid or non-fluid.

[0035] The working end is further configured to perform discharge detection on the filtered fluid or non-fluid, and discharge the filtered fluid or non-fluid when the discharge standard is met.

[0036] In an optional implementation of the embodiment, the first kinetic device and the second kinetic device are further included;

[0037] The first kinetic device is in communication with the first flow path or the second flow path, and the second kinetic device is in communication with the filling flow path.

[0038] The technical scheme of the embodiment of the utility model discloses the equipment of filter's on -line replacement, include: storage device, working filter and at least one idle filter, the storage device is communicated with the working filter and each idle filter through flow path, the working filter is arranged in the first flow path, each idle filter is arranged in the second flow path respectively, the first flow path is parallel with each second flow path, during the working process of the working filter, the first flow path is on, and the second flow path is disconnected, the storage device is used to store fluid or non -fluid, the working filter is used to filter the fluid or non -fluid stored in the storage device, the idle filter is used to filter the fluid or non -fluid stored in the storage device instead of the working filter when the working filter meets the replacement condition, under the condition of equipment operation, filter can be switched to idle filter from working filter, solve the need to replace under the condition of equipment stop running, and the replacement efficiency is low, and the downtime is long, and the problem of irreversible loss to the production capacity can be switched filter under the condition of equipment operation, reduce the production capacity loss caused by replacing filter.

[0039] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the utility model, and is not used to limit the scope of the utility model. Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0040] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0041] Figure 1 It is the structure schematic view of the equipment of filter's on -line replacement provided by the utility model embodiment,

[0042] Icon:

[0043] 100 - storage device; 110 - working filter; 120 - idle filter; 130 - pressure sensor; 140 - working end; 150 - first kinetic energy device; 160 - second kinetic energy device; 20 - first flow path; 21 - second flow path; 22 - third flow path; 23 - filling flow path; 24 - return flow path; 30 - first electrically operated valve; 31 - second electrically operated valve; 32 - third electrically operated valve; 33 - fourth electrically operated valve; 40 - first electrically operated throttle; 41 - second electrically operated throttle; 42 - first pressure sensor; 43 - second pressure sensor; 50 - first cross flow path; 51 - second cross flow path; 60 - first valve switch; 61 - second valve switch; 62 - third valve switch; 63 - fourth valve switch. DETAILED DESCRIPTION

[0044] In order to make the personnel in the technical field better understand the practical new type scheme, the following will combine the drawings in the practical new type embodiment, and the technical scheme in the practical new type embodiment will be clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the practical new type, but not all the embodiment. Based on the embodiment in the practical new type, all the other embodiments obtained by the ordinary skilled in the art without making the creative labor should belong to the protection range of the practical new type.

[0045] It should be noted that the terms "first", "second" and the like in the description and claims of the practical new type and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiment of the practical new type described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or equipment including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or equipment.

[0046] In the description of the practical new type, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the practical new type can be understood according to the specific circumstances.

[0047] Figure 1It is a structure schematic view of the equipment with filter replaceable on line according to the embodiment one of the utility model, this embodiment can be applicable to the case of filter replacement in the equipment operation process; as shown in the figure, the equipment with filter replaceable on line comprises: Figure 1

[0048] The storage device 100, the working filter 110, at least one idle filter 120 (only one idle filter is shown in the figure, which is not limited to the embodiment). Figure 1

[0049] In the embodiment, the storage device 100 is communicated with the working filter 110 and each idle filter 120 through a flow path; wherein the flow path is a fluid or non-fluid flow pipeline.

[0050] In the embodiment, the working filter 110 is arranged in the first flow path 20; each idle filter 120 is arranged in the second flow path 21 respectively; the first flow path 20 is connected in parallel with the second flow path 21; in the working process of the working filter 110, the first flow path 20 is conducted, and the second flow path 21 is disconnected, that is, in the embodiment, the fluid or non-fluid in the storage device 100 is filtered by the working filter 110 before the filter replacement.

[0051] Further, the equipment with filter replaceable on line related to the embodiment further comprises a pressure sensor 130, the pressure sensor 130 is installed in the third flow path 22 after the first flow path 20 and the second flow path 21 are merged; the pressure sensor 130 is used for monitoring the pressure value of the third flow path 22.

[0052] Optionally, in the embodiment, the storage device 100 can be used for storing fluid or non-fluid; for example, the storage device 100 can store sewage, edible oil, inert gas or cell liquid, etc., which is not limited in the embodiment.

[0053] In an optional implementation manner of the embodiment, the working filter 110 can be used for filtering the fluid or non-fluid stored in the storage device 100; the idle filter 120 is used for filtering the fluid or non-fluid stored in the storage device 100 instead of the working filter 110 when the working filter 110 meets the replacement condition; the pressure sensor 130 is used for monitoring the pressure value of the third flow path 22.

[0054] It should be noted that the equipment with filter replaceable on line related to the embodiment can further comprise a processor (not shown in the figure). Figure 1 ​​Optionally, in the embodiment, the processor is communicatively connected with the storage device 100, the working filter 110, each of the idle filters 120, and the pressure sensor 130; that is, in the embodiment, the processor can acquire data information of the storage device 100, the working filter 110, the idle filter 120, and the pressure sensor 130 (for example, information of the fluid or non-fluid stored in the storage device 100, the working state of the working filter 110, or the pressure value detected by the pressure sensor 130, which is not limited in the embodiment), and can send instructions to them.

[0055] In an optional implementation manner of the embodiment, when the processor determines that the filtering result of the working filter 110 does not meet the filtering requirement, a filter replacement instruction can be issued, and the filter can be switched from the working filter 110 to the idle filter 120 without stopping the operation of the device. In the switching process, the pressure value of the third flow path 22 can be detected in real time by the pressure sensor 130 to prevent the flow pipeline from being damaged due to excessive pressure.

[0056] In an optional implementation manner of the embodiment, the first electric valve 30 is installed on the upper side of the working filter in the first flow path 20, and the second electric valve 31 is installed on the lower side of the working filter; the closing state of the first electric valve 30 and the second electric valve 31 is consistent; the first electric throttle valve is further installed in the first flow path 20; and the first pressure sensor is further installed in the first flow path 20.

[0057] Optionally, in the embodiment, the upper side and the lower side (or the left side and the right side) of the working filter 110 are respectively provided with an electric valve, which is referred to as the first electric valve 30 and the second electric valve 31 in the embodiment; it should be noted that the closing state of the first electric valve 30 and the second electric valve 31 is consistent in the embodiment, for example, both are opened or both are closed, so as to ensure whether the first flow path 20 is connected or disconnected.

[0058] In the embodiment, the first electric throttle valve 40 and the first pressure sensor 42 are further installed in the first flow path 20; the first electric throttle valve 40 can be used to control the speed of the fluid or non-fluid in the first flow path 20; and the first pressure sensor 42 can be used to monitor the pressure value in the first flow path 20 in real time.

[0059] In an optional implementation of the embodiment, a third electric valve 32 is installed on the upper side of the working filter in the second flow path 21, and a fourth electric valve 33 is installed on the lower side of the working filter; the third electric valve 32 is consistent with the closing state of the fourth electric valve 33; a second electric throttle valve 41 is also installed in the second flow path 21; a second pressure sensor 43 is also installed in the second flow path 21.

[0060] Optionally, in the embodiment, an electric valve is installed on the upper side and the lower side (or the left side and the right side) of the idle filter 120, which is referred to as a third electric valve 32 and a fourth electric valve 33 in the embodiment; it should be noted that the closing states of the third electric valve 32 and the fourth electric valve 33 are consistent in the embodiment, for example, both are opened or both are closed, so that it can be ensured that the second flow path 21 is connected or disconnected.

[0061] In the embodiment, a second electric throttle valve 41 and a second pressure sensor 43 are also installed in the second flow path 21; the second electric throttle valve 41 can be used to control the speed of the fluid or the non-fluid in the second flow path 21; the second pressure sensor 43 can be used to monitor the pressure value in the second flow path 21 in real time.

[0062] In an optional implementation of the embodiment, the storage device also communicates with the working filter or the idle filter through a filling flow path 23, and the filling flow path 23 includes a first transverse flow path 50, a second transverse flow path 51, and a return flow path 24. Among them, the first flow path 20 and the second flow path 21 communicate through the first transverse flow path 50 and the second transverse flow path 51; the first transverse flow path 50 includes a first valve switch 60 and a third valve switch 62; the second transverse flow path 51 includes a second valve switch 61 and a fourth valve switch 63; the first transverse flow path 50 communicates with the return flow path 24, and a flow sensor 70 is installed in the return flow path 24; during the working process of the working filter, the first valve switch 60 and the second valve switch 61 are closed.

[0063] Among them, the flow sensor 70 can be used to detect whether there is a flow of fluid or non-fluid in the return flow path 24; it can be understood that when the detection value of the flow sensor 70 is zero, there is no flow of fluid or non-fluid in the return flow path 24; when the detection value of the flow sensor 70 is not zero, there is a flow of fluid or non-fluid in the return flow path 24.

[0064] It should be noted that, in the embodiment, the idle filter needs to be filled before the filter is switched from the working filter to the idle filter. The filling flow path 23 can realize the filling of the idle filter.

[0065] Optionally, in the embodiment, the idle filter 120 can be filled by the following steps: closing the third valve switch 62 and the fourth valve switch 63, and opening the first valve switch 60 and the fourth valve switch 61 (the first valve switch 60 and the second valve switch 61 are normally closed during the working process of the working filter), while confirming that the third electric valve 32 is opened, ensuring that the second flow path 21 is not open at this time, at this time, the fluid or non-fluid stored in the storage device 100 can flow through the fourth valve switch 63 in the filling flow path 23, the idle filter 120, and the third valve switch 62 in sequence, at this time, the idle filter 120 is filled at a low pump speed, and the filtered object (the fluid or non-fluid stored in the storage device) flows back to the storage device 100 after entering the loop flow path 24, when the flow sensor 70 in the loop flow path 24 detects the corresponding flow, it is determined that the filling of the idle filter 120 is completed, at this time, the target idle filter meets the switching state.

[0066] Optionally, in the embodiment, before the working of the working filter, the first valve switch 60 and the second valve switch 61 are closed, that is, the fluid or non-fluid in the storage device 100 can flow through the second valve switch 61, the working filter 110, the first valve switch 60, and the loop flow path 24 in the filling flow path 23 in sequence, and finally flow back to the storage device 100.

[0067] Optionally, in another optional implementation manner of the embodiment, during the working process of the working filter, the fluid or non-fluid in the storage device 100 can also flow to the working end 140 through the first flow path 20 and the third flow path 22; wherein the working end 140 is a supply end of the filtered fluid or non-fluid, that is, the working end 140 can provide the filtered fluid or non-fluid to other working equipment; the working end 140 can also detect and discharge the filtered fluid or non-fluid when the discharge standard is met. For example, if the production wastewater is stored in the storage device 100, the working end 140 can detect the filtered production wastewater stored therein, and when the discharge index is met, the production wastewater stored therein can be discharged.

[0068] In the embodiment, if the working end 140 stops working, the filtered fluid or non-fluid can also flow back to the storage device 100.

[0069] As Figure 1As shown, the filter replacement device in the embodiment can further comprise a first kinetic device 150 and a second kinetic device 160; the first kinetic device 150 is in communication with the first flow path 20, and the second kinetic device 160 is in communication with the filling flow path 23; the first kinetic device 150 and the second kinetic device 160 can provide kinetic energy for the fluid or non-fluid in each flow path, and can prevent the fluid or non-fluid from flowing too slowly to affect the working efficiency of the filter.

[0070] It should be further noted that, Figure 1 The dashed boxes in each flow path in the embodiment are only for the convenience of understanding the technical scheme of the embodiment of the utility model, and are not a limitation on the embodiment of the utility model.

[0071] In an optional implementation of the embodiment, during the process of switching the working filter to the idle filter, the first electric valve 30 and the second electric valve 31 can be gradually closed at the same speed, and the third electric valve 32 and the fourth electric valve 33 can be gradually opened at the same speed; the target change amount of the current pressure value of the pressure sensor 130 and the pressure value at the previous time is determined in real time; when the target change amount is less than zero, that is, when the pressure value detected by the pressure sensor 130 is less than the pressure value at the time when the first electric valve 30 and the second electric valve 31 are gradually closed at the same speed, the action of gradually closing the first electric valve 30 and the second electric valve 31 at the same speed is stopped, and the opening degree of the first electric valve 30 is increased by a target setting value (for example, 5% or 6%, which is not limited in the embodiment); for example, the opening degree of the first electric valve 30 is increased from 45% to 50%; the action of gradually opening the third electric valve 32 and the fourth electric valve 33 at the same speed is stopped, and the opening degree of the third electric valve 32 is decreased by a target setting value; for example, the opening degree of the third electric valve 32 is decreased from 45% to 40%; the operation of determining the target change amount of the current pressure value of the pressure sensor 130 and the pressure value at the previous time in real time is continued until the target change amount is equal to zero, at which time the first flow path 20 is disconnected, and the second flow path 21 is connected.

[0072] The device with replaceable filter online in the embodiment comprises a storage device, a working filter and at least one idle filter; the storage device is communicated with the working filter and each idle filter through a flow path; the working filter is arranged in a first flow path; each idle filter is arranged in a second flow path respectively; the first flow path is parallel to the second flow path; during the working process of the working filter, the first flow path is conducted and the second flow path is disconnected; the storage device is used for storing fluid or non-fluid; the working filter is used for filtering the fluid or non-fluid stored in the storage device; the idle filter is used for filtering the fluid or non-fluid stored in the storage device instead of the working filter when the working filter meets the replacement condition; during the operation of the device, the filter can be switched from the working filter to the idle filter, thereby solving the problems that the filter needs to be replaced when the device stops operating, the replacement efficiency is low, the downtime is long and the irreversible loss of production capacity is caused, the filter can be switched during the operation of the device, and the loss of production capacity caused by replacing the filter is reduced.

[0073] The above specific embodiments do not constitute a limitation on the protection scope of the present application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An apparatus having a filter which is replaceable on-line, characterized in that The device comprises: a storage device, a working filter and at least one idle filter; the storage device is in communication with the working filter and each idle filter through a flow path; the working filter is arranged in a first flow path; each idle filter is arranged in a second flow path respectively; the first flow path is in parallel with each second flow path; during the working process of the working filter, the first flow path is in conduction and the second flow path is in disconnection; the storage device is used for storing fluid or non-fluid; the working filter is used for filtering the fluid or non-fluid stored in the storage device; the idle filter is used for filtering the fluid or non-fluid stored in the storage device instead of the working filter when the working filter meets the replacement condition; the storage device is also in communication with the working filter or the idle filter through a filling flow path, and the filling flow path comprises a first transverse flow path, a second transverse flow path and a return flow path; the idle filter is filled before the filter is switched from the working filter to the idle filter; the filling flow path is used for filling the idle filter.

2. The filter-replaceable-in-line apparatus according to claim 1, characterized by The device further comprises: a pressure sensor; the pressure sensor is installed in a third flow path after the first flow path and the second flow path are merged; the pressure sensor is used for monitoring the pressure value of the third flow path.

3. The device with replaceable filter online according to claim 1, wherein: a first electric valve is installed on the upper side of the working filter and a second electric valve is installed on the lower side of the working filter in the first flow path; the closing states of the first electric valve and the second electric valve are consistent; a first electric throttle valve is installed in the first flow path; a first pressure sensor is installed in the first flow path.

4. The device with replaceable filter online according to claim 1, wherein: a third electric valve is installed on the upper side of the working filter and a fourth electric valve is installed on the lower side of the working filter in the second flow path; the closing states of the third electric valve and the fourth electric valve are consistent; a second electric throttle valve is installed in the second flow path; a second pressure sensor is installed in the second flow path.

5. The device with replaceable filter online according to claim 3 or 4, wherein: the first flow path and the second flow path are in communication through a first transverse flow path and a second transverse flow path; the first transverse flow path comprises a first valve switch and a third valve switch; the second transverse flow path comprises a second valve switch and a fourth valve switch; the first transverse flow path is in communication with a return flow path, and a flow sensor is installed in the return flow path.

6. The device with replaceable filter online according to claim 5, wherein: during the working process of the working filter, the first valve switch and the second valve switch are closed.

7. The filter-replaceable-in-line apparatus according to claim 2, wherein The device further comprises: a processor; The processor is in communication connection with the storage device, the working filter, each idle filter and a pressure sensor respectively; The processor is configured to issue a filter replacement instruction when it is determined that the filtering result of the working filter does not meet the filtering requirement.

8. The online filter replaceable equipment according to claim 1, characterized in that, Further comprising: A working end; The working end is in communication with the third flow path and the loop flow path; The working end is a supply end of the filtered fluid or non-fluid; The working end is further configured to perform discharge detection on the filtered fluid or non-fluid, and discharge the filtered fluid or non-fluid when a discharge standard is met.

9. The online filter replaceable equipment according to claim 1, characterized in that, Further comprising: A first kinetic device (150) and a second kinetic device (160); The first kinetic device (150) is in communication with the first flow path or the second flow path, and the second kinetic device (160) is in communication with the filling flow path.

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