Device and method for controlling flow direction of liquid in cylindrical container

Abstract

The invention relates to the technical field of control valve blocks, in particular to a cylindrical container liquid flow direction control device and a control method thereof.The control device comprises a valve block, a circumferential diaphragm valve, an end face diaphragm valve, a circumferential connecting port, a cylindrical container, a first container and a second container; a circumferential control cavity and an end face control cavity are formed in the outer surface of the valve block; the circumferential connecting port is communicated with an upper port and a lower port of the cylindrical container, the first container and the second container respectively; a process hole channel network in the valve block is communicated with all the circumferential control cavities, the circumferential connecting ports and the end face control cavities; the circumferential diaphragm valves and the end face diaphragm valves are selectively opened and closed, so that the flow direction and on-off of fluid in a process hole channel network are controlled. The diaphragm valve has the advantages that the circumferential diaphragm valve, the end face diaphragm valve and the circumferential connecting port are integrated on the valve block and are communicated with one another through the process hole channel network. And the overall structure of the valve block is more compact and simpler while the process requirement of the flow direction of fluid is met.

Description

Technical Field

[0001] The present invention relates to the technical field of control valve blocks, and particularly to a liquid flow direction control device for a cylindrical container and a control method thereof. Background Art

[0002] In the field of biopharmaceuticals, it is often necessary to fill a cylindrical container with gel filler and let the drug containing impurities or to be purified flow through the cylindrical container by chromatography. In this way, different components in the drug can be separated in time or in regions, so as to achieve the effects of purification, impurity removal, etc. The chromatography process mainly makes the fluid automatically flow into the cylindrical container under the action of a chromatography pump according to a preset process flow. The cylindrical container has openings at the upper and lower ends, and the fluid can flow in from the upper opening of the cylindrical container and out from the lower opening, or flow in from the lower opening and out from the upper opening. The working condition where the fluid flows in from the upper opening and out from the lower opening is generally called forward chromatography, while the working condition when the fluid flows in from the lower opening and out from the upper opening is generally called reverse flushing. Sometimes, it is also necessary for the fluid not to pass through the cylindrical container and directly discharge from the pipeline outlet.

[0003] However, there are many drawbacks in the current control methods for the fluid flow direction in a cylindrical container. Usually, multiple valves are required, and at the use site, according to the requirements of the process flow, these valves are connected by various pipes and pipe fittings, and the control of the fluid flow direction is achieved by controlling the opening and closing of the valves. This valve pipeline installation project is not only complex in operation and has a large workload at the construction site, but also easily forms leakage points. In addition, the use of a large number of pipes and pipe fittings will also cause the pipeline through which the fluid flows to become longer and the residual fluid in the pipeline to increase.

[0004] The Chinese patent application for invention with the publication number CN114935023A and the publication date of August 23, 2022, and the patent name of "A Valve Combination Device Based on a Conduit Part" discloses a valve combination device based on a conduit part, which includes a conduit part body; a plurality of valve structures are arranged on the conduit part body; the valve structure includes a valve internal flow path arranged in the conduit part body and a valve assembly installed on the conduit part body; although this design reduces the use of pipe fittings through conduit integration, its integration method is only a simple combination of valves and fails to effectively solve the problem of active control of the fluid direction, so it is difficult to meet the fluid control requirements of a cylindrical container under various working conditions such as forward, reverse, and bypass. Summary of the Invention

[0005] In view of this, the present invention aims to provide a device and a control method for controlling the liquid flow direction in a cylindrical container. A plurality of diaphragm valves are installed on a valve block, and a process channel network is arranged in the valve block, so that the diaphragm valves and the channels, as well as the channels and the channels, are connected in a certain logical order. When in use, the control device is integrally connected to the loop of the cylindrical container. By controlling the opening or closing of different combinations of diaphragm valves, the fluid can flow through different channels in the valve block through the circumferential connection ports, thereby controlling the direction of the fluid flowing into the cylindrical container or directly flowing out.

[0006] To achieve the above object, the technical solution of the present invention is realized as follows: A device for controlling the liquid flow direction in a cylindrical container includes: a valve block, a plurality of circumferential diaphragm valves, an end face diaphragm valve, a plurality of circumferential connection ports, a cylindrical container, a first container, and a second container; the outer surface of the valve block is provided with circumferential control cavities corresponding to each circumferential diaphragm valve one by one and an end face control cavity adapted to the end face diaphragm valve; a plurality of circumferential connection ports and a plurality of circumferential diaphragm valves are alternately arranged on the outer peripheral surface of the valve block; the end face diaphragm valve is arranged on the end face at one end of the valve block; a plurality of circumferential connection ports are respectively communicated with the upper and lower ports of the cylindrical container, the first container, and the second container; the first container is used for storing the fluid input into the cylindrical container, and the second container is used for storing the fluid processed by the cylindrical container; a process channel network is arranged inside the valve block to connect all the circumferential control cavities, circumferential connection ports, and end face control cavities; by selectively opening and closing the circumferential diaphragm valves and the end face diaphragm valve, the flow direction and on-off of the fluid in the process channel network are controlled.

[0007] Further, the valve block is an octagonal prism, and the number of circumferential diaphragm valves is four, namely a first circumferential diaphragm valve, a second circumferential diaphragm valve, a third circumferential diaphragm valve, and a fourth circumferential diaphragm valve; the number of circumferential connection ports is four, namely a first circumferential connection port, a second circumferential connection port, a third circumferential connection port, and a fourth circumferential connection port.

[0008] Further, the first circumferential diaphragm valve and the third circumferential diaphragm valve are oppositely arranged, and the second circumferential diaphragm valve and the fourth circumferential diaphragm valve are oppositely arranged; the first circumferential connection port and the third circumferential connection port are oppositely arranged, and the second circumferential connection port and the fourth circumferential connection port are oppositely arranged; wherein, the second circumferential connection port is communicated with the upper port of the cylindrical container; the fourth circumferential connection port is communicated with the lower port of the cylindrical container; the first circumferential connection port is communicated with the first container; the third circumferential connection port is communicated with the second container.

[0009] Furthermore, the number of circumferential control cavities is four, namely the first circumferential control cavity, the second circumferential control cavity, the third circumferential control cavity, and the fourth circumferential control cavity. Among them, the first circumferential control cavity corresponds to the first circumferential diaphragm valve, the second circumferential control cavity corresponds to the second circumferential diaphragm valve, the third circumferential control cavity corresponds to the third circumferential diaphragm valve, and the fourth circumferential control cavity corresponds to the fourth circumferential diaphragm valve.

[0010] Furthermore, the process hole network includes a first process hole group, a second process hole group, a third process hole group, a fourth process hole group, and a fifth process hole group. The first process hole group is used to connect the first circumferential control cavity, the second circumferential control cavity, and the first circumferential connection port. The second process hole group is used to connect the second circumferential control cavity, the third circumferential control cavity, and the second circumferential connection port. The third process hole group is used to connect the third circumferential control cavity, the fourth circumferential control cavity, and the third circumferential connection port. The fourth process hole group is used to connect the first circumferential control cavity, the fourth circumferential control cavity, and the fourth circumferential connection port. The fifth process hole group is used to connect the end face control cavity to the first circumferential connection port and the third circumferential connection port respectively. The first process hole group, the second process hole group, the third process hole group, and the fourth process hole group are all located in the same cross-section of the valve block. The cross-section has a first center line and a second center line that are perpendicular to each other. The first process hole group and the third process hole group have the same structure and are symmetrically arranged along the first center line. The second process hole group and the fourth process hole group have the same structure and are symmetrically arranged along the second center line.

[0011] Furthermore, the first process hole group includes a first hole, a second hole, and a third hole. The second process hole group includes a fourth hole and a fifth hole. The third process hole group includes a sixth hole, a seventh hole, and an eighth hole. The fourth process hole group includes a ninth hole and a tenth hole. Among them, the first hole, the second hole, and the third hole connect the first circumferential control cavity, the first circumferential connection port, and the second circumferential control cavity respectively. The first hole, the second hole, and the third hole form a first converging connection port near the center of the valve block. The fourth hole connects the second circumferential control cavity and the third circumferential control cavity. The fifth hole connects the second circumferential connection port and the fourth hole. The sixth hole, the seventh hole, and the eighth hole connect the third circumferential control cavity, the third circumferential connection port, and the fourth circumferential control cavity respectively. The sixth hole, the seventh hole, and the eighth hole form a second converging connection port near the center of the valve block. The ninth hole connects the fourth circumferential control cavity and the first circumferential control cavity. The tenth hole connects the fourth circumferential connection port and the ninth hole.

[0012] Furthermore, the fifth process hole group includes an eleventh hole and a twelfth hole. The eleventh hole connects the end face control cavity and the first converging connection port, and then connects to the first hole, the second hole, and the third hole. The twelfth hole connects the end face control cavity and the second converging connection port, and then connects to the sixth hole, the seventh hole, and the eighth hole.

[0013] Furthermore, the diameters of the first channel, the second channel, the third channel, the fourth channel, the fifth channel, the sixth channel, the seventh channel, the eighth channel, the ninth channel, the tenth channel, the eleventh channel, and the twelfth channel are all equal.

[0014] A control method for a liquid flow direction control device of a columnar container is implemented by using the above-mentioned liquid flow direction control device of a columnar container, and includes the following steps: When the second circumferential diaphragm valve, the fourth circumferential diaphragm valve, and the end face diaphragm valve are in the closed state, closing the corresponding second circumferential control chamber, fourth circumferential control chamber, and end face control chamber, and when the first circumferential diaphragm valve and the third circumferential diaphragm valve are in the open state, the fluid delivery path is as follows: The fluid enters from the first container through the first circumferential connection port; successively enters through the second channel, the first channel, the first circumferential control chamber, the ninth channel, and the tenth channel, and enters the upper opening of the columnar container through the fourth circumferential connection port. After flowing out from the lower opening of the columnar container, it successively passes through the second circumferential connection port, the fifth channel, the fourth channel, the third circumferential control chamber, the sixth channel, and the seventh channel, and finally flows into the second container through the third circumferential connection port; When the first circumferential diaphragm valve, the third circumferential diaphragm valve, and the end face diaphragm valve are in the closed state, closing the corresponding first circumferential control chamber, third circumferential control chamber, and end face control chamber, and when the second circumferential diaphragm valve and the fourth circumferential diaphragm valve are in the open state, the fluid delivery path is as follows: The fluid enters from the first container through the first circumferential connection port; successively passes through the second channel, the third channel, the second circumferential control chamber, the fourth channel, and the fifth channel, and enters the lower opening of the columnar container through the second circumferential connection port. After flowing out from the upper opening of the columnar container, it successively passes through the fourth connection end, the tenth channel, the ninth channel, the fourth circumferential control chamber, the eighth channel, and the seventh channel, and finally flows into the second container through the third circumferential connection port; When the first circumferential diaphragm valve, the second circumferential diaphragm valve, the third circumferential diaphragm valve, and the fourth circumferential diaphragm valve are in the closed state, closing the corresponding first circumferential control chamber, second circumferential control chamber, third circumferential control chamber, and fourth circumferential control chamber, and when the end face diaphragm valve is in the open state, the fluid delivery path is as follows: The fluid enters from the first container through the first circumferential connection port; successively passes through the second channel, the eleventh channel, the end face control chamber, the twelfth channel, and the seventh channel, and finally flows into the second container through the third circumferential connection port.

[0015] The present invention can achieve the following beneficial effects: 1) The control device of the present invention realizes the control of the fluid flow direction into the cylindrical container through the circumferential control cavity, end face control cavity on the valve block and the internal process hole network, and the fluid can flow out without passing through the cylindrical container. This provides a new solution for better application of cylindrical containers in the field of biopharmaceuticals.

[0016] 2) The present invention integrates the circumferential diaphragm valve, end face diaphragm valve and circumferential connection port on the valve block, and connects them to each other through the process hole network in the valve block. This design makes the overall structure of the valve block more compact and concise while meeting the process requirements of the fluid flow direction.

[0017] 3) The control device of the present invention has a high degree of integration, a simple installation and construction process, and convenient operation. It reduces the complicated valves and pipelines, reduces the usage amount of pipelines and pipe fittings, and thus reduces the risks such as blockage, leakage, and pipeline cracks caused by low installation project quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings forming a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings: Figure 1 is a schematic structural diagram of the control device provided by an embodiment of the present invention; Figure 2 is a schematic structural diagram of the fluid delivery path when the second circumferential diaphragm valve, the fourth circumferential diaphragm valve and the end face diaphragm valve in the circumferential diaphragm valve close the second circumferential control cavity, the fourth circumferential control cavity and the end face control cavity according to an embodiment of the present invention; Figure 3 is a schematic structural diagram of the fluid delivery path when the first circumferential diaphragm valve, the third circumferential diaphragm valve and the end face diaphragm valve in the circumferential diaphragm valve close the first circumferential control cavity, the third circumferential control cavity and the end face control cavity according to an embodiment of the present invention; Figure 4 is a schematic structural diagram of the first process hole group, the second process hole group, the third process hole group and the fourth process hole group provided by an embodiment of the present invention; Figure 5 is a schematic structural diagram of the fifth process hole group provided by an embodiment of the present invention.

[0019] The reference numerals include: 100, control device; 101, valve block; 102, columnar container; 103, first container; 104, second container; 105, first circumferential diaphragm valve; 106, second circumferential diaphragm valve; 107, third circumferential diaphragm valve; 108, fourth circumferential diaphragm valve; 109, first circumferential connection port; 110, second circumferential connection port; 111, third circumferential connection port; 112, fourth circumferential connection port; 113, end face diaphragm valve; 114, first circumferential control chamber; 115, second circumferential control chamber; 116, third circumferential control chamber; 117, fourth circumferential control chamber; 118, end face control chamber; 119, first channel; 120, second channel; 121, third channel; 122, fourth channel; 123, fifth channel; 124, sixth channel; 125, seventh channel; 126, eighth channel; 127, ninth channel; 128, tenth channel; 129, eleventh channel; 130, twelfth channel. Detailed implementation manners

[0020] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not constitute a limitation to the present invention.

[0021] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments may be combined with each other.

[0022] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0023] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "linkage" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The present invention will be described in detail below with reference to embodiments.

[0025] As Figures 1 to 5 shown, a liquid flow direction control device for a cylindrical container provided by an embodiment of the present invention includes: The control device 100 includes a valve block 101, a plurality of circumferential diaphragm valves, an end face diaphragm valve 113, a plurality of circumferential connection ports, a cylindrical container 102, a first container 103, and a second container 104. The outer peripheral surface of the valve block 101 is provided with a circumferential control cavity adapted to each circumferential diaphragm valve and an end face control cavity 118 adapted to the end face diaphragm valve 113.

[0026] A plurality of circumferential diaphragm valves are arranged at intervals on the outer peripheral surface of the valve block 101, and the end face diaphragm valve 113 is arranged on the end face of the valve block 101. The axis of the end face diaphragm valve 113 coincides with the axis of the valve block 101.

[0027] A plurality of circumferential connection ports and a plurality of circumferential diaphragm valves are alternately arranged on the outer peripheral surface of the valve block 101. The circumferential connection ports are respectively communicated with the upper and lower ports of the cylindrical container 102, the first container 103, and the second container 104. The first container 103 is used to store the fluid input into the cylindrical container 102, and the second container 104 is used to store the fluid processed by the cylindrical container 102.

[0028] The valve block 101 is internally provided with a process pore network that communicates all the circumferential diaphragm valves, circumferential connection ports, and the end face diaphragm valve 113. By selectively opening and closing the circumferential diaphragm valves and the end face diaphragm valve 113, the flow direction and on-off of the fluid in the first container 103 in the process pore network inside the valve block 101 are controlled.

[0029] In this embodiment, both the diaphragm valve and the end face diaphragm valve 113 adopt pneumatic diaphragm valves. The opening and closing of the pneumatic diaphragm valve cause the diaphragm of the diaphragm valve to open or retract, blocking or opening the control cavity, and then controlling the communication between the pores in the process pore network.

[0030] The circumferential diaphragm valves, the end face diaphragm valve 113, and the circumferential connection ports are integrated on the valve block 101 and are interconnected through the process pore network inside the valve block 101. While meeting the process requirements of the fluid flow direction, the overall structure of the valve block 101 is made more compact and concise The valve block 101 is an octagonal prism, and has four circumferential diaphragm valves and four circumferential connection ports. The circumferential diaphragm valves and the circumferential connection ports are alternately arranged on the eight edges of the valve block 101, and one circumferential diaphragm valve or one circumferential connection port is installed on each edge.

[0031] The number of the plurality of circumferential diaphragm valves is four, namely the first circumferential diaphragm valve 105, the second circumferential diaphragm valve 106, the third circumferential diaphragm valve 107 and the fourth circumferential diaphragm valve 108. The first circumferential diaphragm valve 105 is disposed opposite to the third circumferential diaphragm valve 107, and the second circumferential diaphragm valve 106 is disposed opposite to the fourth circumferential diaphragm valve 108.

[0032] The number of the plurality of circumferential connection ports is four, namely, a first circumferential connection port 109, a second circumferential connection port 110, a third circumferential connection port 111, and a fourth circumferential connection port 112. The first circumferential connection port 109 is arranged opposite to the third circumferential connection port 111, and the second circumferential connection port 110 is arranged opposite to the fourth circumferential connection port 112. The first circumferential connection port 109 is connected to the first container 103 through a pipeline, and the second circumferential connection port 110 is connected to the lower port of the cylindrical container 102 through a pipeline. The fourth circumferential connection port 112 is connected to the upper port of the cylindrical container 102 through a pipeline, and the third circumferential connection port 111 is connected to the second container 104 through a pipeline.

[0033] There are four circumferential control chambers, namely, the first circumferential control chamber 114, the second circumferential control chamber 115, the third circumferential control chamber 116 and the fourth circumferential control chamber 117. The first circumferential control chamber 114 is arranged corresponding to the first circumferential diaphragm valve 105, the second circumferential control chamber 115 is arranged corresponding to the second circumferential diaphragm valve 106, the third circumferential control chamber 116 is arranged corresponding to the third circumferential diaphragm valve 107, and the fourth circumferential control chamber 117 is arranged corresponding to the fourth circumferential diaphragm valve 108.

[0034] The first circumferential control chamber 114, the second circumferential control chamber 115, the third circumferential control chamber 116, the fourth circumferential control chamber 117 and the end surface control chamber 118 are all cavities with circular cross-sections, and their sizes match the diaphragm of the diaphragm valve. When the diaphragm valve is in a closed state, the diaphragm is pressed down to close the corresponding control chamber; when the diaphragm valve is in an open state, the diaphragm retracts and the corresponding control chamber is connected.

[0035] The process hole network includes a first process hole group, a second process hole group, a third process hole group, a fourth process hole group, and a fifth process hole group. The first process hole group is used to connect the first circumferential control cavity 114, the second circumferential control cavity 115, and the first circumferential connection port 109. The second process hole group connects the second circumferential control cavity 115, the third circumferential control cavity 116, and the second circumferential connection port 110. The third process hole group is used to connect the third circumferential control cavity 116, the fourth circumferential control cavity 117, and the third circumferential connection port 111. The fourth process hole group is used to connect the first circumferential control cavity 114, the fourth circumferential control cavity 117, and the fourth circumferential connection port 112. The fifth process hole group is used to connect the end face control cavity 118 to the first circumferential connection port 109 and the third circumferential connection port 111 respectively.

[0036] The first process hole group, the second process hole group, the third process hole group, and the fourth process hole group are all located in the same cross-section of the valve block 101. The cross-section has a first center line and a second center line that are perpendicular to each other. The first process hole group and the third process hole group have the same structure and are symmetrically arranged along the first center line. The second process hole group and the fourth process hole group have the same structure and are symmetrically arranged along the second center line. Through this symmetrical layout, the machining stress of the valve block 101 is balanced, and the risk of deformation of the valve block 101 is reduced. At the same time, the double-axis symmetrical arrangement enables the first process hole group, the second process hole group, the third process hole group, and the fourth process hole group to form a balanced fluid channel, ensuring uniform pressure and flow distribution during fluid flow, and improving the working stability of the valve block 101.

[0037] Specifically, the first process hole group includes a first hole 119, a second hole 120, and a third hole 121. The second process hole group includes a fourth hole 122 and a fifth hole 123. The third process hole group includes a sixth hole 124, a seventh hole 125, and an eighth hole 126. The fourth process hole group includes a ninth hole 127 and a tenth hole 128.

[0038] Among them, the first hole 119, the second hole 120, and the third hole 121 connect the first circumferential control cavity 114, the first circumferential connection port 109, and the second circumferential control cavity 115 respectively. The first hole 119, the second hole 120, and the third hole 121 form a first collecting and connecting port at a position close to the center of the valve block 101. The minimum distance between the edge of the first collecting and connecting port and the center of the cross-section needs to be controlled within the range of 1.5 mm to 3.5 mm to ensure the strength of the valve block 101 and the performance of the first process hole group.

[0039] The fourth hole 122 connects the second circumferential control cavity 115 and the third circumferential control cavity 116. The fifth hole 123 connects the second circumferential connection port 110 and the fourth hole 122.

[0040] The sixth channel 124, the seventh channel 125, and the eighth channel 126 are respectively connected to the third circumferential control cavity 116, the third circumferential connection port 111, and the fourth circumferential control cavity 117. The sixth channel 124, the seventh channel 125, and the eighth channel 126 form a second converging connection port at a position close to the center of the valve block 101.

[0041] The ninth channel 127 is connected to the fourth circumferential control cavity 117 and the first circumferential control cavity 114. The tenth channel 128 is connected to the fourth circumferential connection port 112 and the ninth channel 127.

[0042] The fifth process hole group includes the eleventh channel 129 and the twelfth channel 130. The eleventh channel 129 is connected to the end face control cavity 118 and the first converging connection port, and then is connected to the first channel 119, the second channel 120, and the third channel 121. The twelfth channel 130 is connected to the end face control cavity 118 and the second converging connection port, and then is connected to the sixth channel 124, the seventh channel 125, and the eighth channel 126.

[0043] The diameters of the first channel 119, the second channel 120, the third channel 121, the fourth channel 122, the fifth channel 123, the sixth channel 124, the seventh channel 125, the eighth channel 126, the ninth channel 127, the tenth channel 128, the eleventh channel 129, and the twelfth channel 13 0 are all equal. The equal diameters of all channels can ensure that the flow velocity and flow rate distribution of the fluid in each channel are more uniform, reducing fluid turbulence and pressure loss caused by differences in channel diameters. It is more convenient during maintenance and cleaning, and the same specification tools can be used for operation, reducing maintenance costs.

[0044] A control method for a columnar container liquid flow direction control device is realized by using the above-mentioned columnar container liquid flow direction control device, and includes the following steps: When the second circumferential diaphragm valve 106, the fourth circumferential diaphragm valve 108, and the end face diaphragm valve 113 are in the closed state, closing the corresponding second circumferential control cavity 115, the fourth circumferential control cavity 117, and the end face control cavity 118, and when the first circumferential diaphragm valve 105 and the third circumferential diaphragm valve 107 are in the open state, the fluid delivery path is as follows: Such as Figure 2As shown, fluid enters from the first container 103 through the first circumferential connection port 109, and successively passes through the second channel 120, the first channel 119, the first circumferential control cavity 114, the ninth channel 127 and the tenth channel 128, and enters the upper opening of the columnar container 102 through the fourth circumferential connection port 112. After flowing out from the lower opening of the columnar container 102, it successively passes through the second circumferential connection port 110, the fifth channel 123, the fourth channel 122, the third circumferential control cavity 116, the sixth channel 124 and the seventh channel 125, and finally flows into the second container 104 through the third circumferential connection port 111.

[0045] In this conveying path, the liquid flows into the columnar container 102 from the upper opening and flows out from the lower opening.

[0046] When the first circumferential diaphragm valve 105, the third circumferential diaphragm valve 107 and the end face diaphragm valve 113 are in the closed state, closing the corresponding first circumferential control cavity 114, the third circumferential control cavity 116 and the end face control cavity 118, and the second circumferential diaphragm valve 106 and the fourth circumferential diaphragm valve 108 are in the open state, the fluid conveying path is as follows: As Figure 3 shown, fluid enters from the first container 103 through the first circumferential connection port 109 of the circumferential connection port; successively passes through the second channel 120, the third channel 121, the second circumferential control cavity 115, the fourth channel 122, the fifth channel 123 and enters the lower opening of the columnar container 102 through the second circumferential connection port 110 of the circumference. After flowing out from the upper opening of the columnar container 102, it successively passes through the fourth connection end 112, the tenth channel 128, the ninth channel 127, the fourth circumferential control cavity 117, the eighth channel 126 and the seventh channel 125, and finally flows into the second container 104 through the third circumferential connection port 111.

[0047] In this conveying path, the liquid flows into the columnar container 102 from the lower opening and flows out from the upper opening.

[0048] When the first circumferential diaphragm valve 105, the second circumferential diaphragm valve 106, the third circumferential diaphragm valve 107 and the fourth circumferential diaphragm valve 108 are in the closed state, closing the corresponding first circumferential control cavity 114, the second circumferential control cavity 115, the third circumferential control cavity 116 and the fourth circumferential control cavity 117, and the end face diaphragm valve 113 is in the open state, the fluid conveying path is as follows: Fluid enters from the first container 103 through the first circumferential connection port 109; successively passes through the second channel 120, the eleventh channel 129, the end face control cavity 118, the twelfth channel 130 and the seventh channel 125, and finally flows into the second container 104 through the third circumferential connection port 111. In this conveying path, the liquid flows in from the first circumferential connection port 109 without passing through (or bypassing) the column-shaped container 102 and flows out from the third circumferential connection port 111, and the column-shaped container 102 is bypassed.

[0049] The above specific embodiments do not constitute a limitation on the protection scope of the present invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A liquid flow direction control device for a columnar container, characterized in that, Comprising: A valve block, a plurality of circumferential diaphragm valves, an end face diaphragm valve, a plurality of circumferential connection ports, a cylindrical container, a first container, and a second container; a circumferential control cavity corresponding to each of the plurality of circumferential diaphragm valves and an end face control cavity adapted to the end face diaphragm valve are provided on the outer surface of the valve block: The plurality of circumferential connection ports and the plurality of circumferential diaphragm valves are alternately arranged on the outer peripheral surface of the valve block; the end face diaphragm valve is arranged on the end face at one end of the valve block; The plurality of circumferential connection ports are respectively communicated with the upper port and the lower port of the cylindrical container, the first container, and the second container; the first container is used for storing the fluid input into the cylindrical container, and the second container is used for storing the fluid processed by the cylindrical container; A process pore network is provided inside the valve block, which communicates all the circumferential control cavities, the circumferential connection ports, and the end face control cavity; by selectively opening and closing the circumferential diaphragm valves and the end face diaphragm valve, the flow direction and on-off of the fluid in the process pore network are controlled.

2. The liquid flow direction control device for a columnar container according to claim 1, wherein The valve block is an octagonal prism, and the number of the circumferential diaphragm valves is four, which are the first circumferential diaphragm valve, the second circumferential diaphragm valve, the third circumferential diaphragm valve, and the fourth circumferential diaphragm valve; The number of the circumferential connection ports is four, which are the first circumferential connection port, the second circumferential connection port, the third circumferential connection port, and the fourth circumferential connection port.

3. The liquid flow direction control device for a columnar container according to claim 2, characterized in that, The first circumferential diaphragm valve and the third circumferential diaphragm valve are oppositely arranged, and the second circumferential diaphragm valve and the fourth circumferential diaphragm valve are oppositely arranged; The first circumferential connection port and the third circumferential connection port are oppositely arranged, and the second circumferential connection port and the fourth circumferential connection port are oppositely arranged; Wherein, the second circumferential connection port is communicated with the upper port of the cylindrical container; the fourth circumferential connection port is communicated with the lower port of the cylindrical container; the first circumferential connection port is communicated with the first container; the third circumferential connection port is communicated with the second container.

4. The liquid flow direction control device for a columnar container according to claim 3, wherein, The number of the circumferential control cavities is four, which are the first circumferential control cavity, the second circumferential control cavity, the third circumferential control cavity, and the fourth circumferential control cavity. Among them, the first circumferential control cavity is arranged corresponding to the first circumferential diaphragm valve, the second circumferential control cavity is arranged corresponding to the second circumferential diaphragm valve, the third circumferential control cavity is arranged corresponding to the third circumferential diaphragm valve, and the fourth circumferential control cavity is arranged corresponding to the fourth circumferential diaphragm valve.

5. The liquid flow direction control device for a columnar container according to claim 4, characterized in that, The process pore network includes a first process pore group, a second process pore group, a third process pore group, a fourth process pore group, and a fifth process pore group; The first process pore group is used for communicating the first circumferential control cavity, the second circumferential control cavity, and the first circumferential connection port; The second process pore group is used for communicating the second circumferential control cavity, the third circumferential control cavity, and the second circumferential connection port; The third process pore group is used for communicating the third circumferential control cavity, the fourth circumferential control cavity, and the third circumferential connection port; The fourth process pore group is used for communicating the first circumferential control cavity, the fourth circumferential control cavity, and the fourth circumferential connection port; The fifth process hole group is used to communicate the end face control cavity with the first circumferential connection port and the third circumferential connection port respectively; The first process hole group, the second process hole group, the third process hole group, and the fourth process hole group are all located in the same cross-section of the valve block; the cross-section has a first center line and a second center line that are perpendicular to each other; The first process hole group and the third process hole group have the same structure and are symmetrically arranged along the first center line; the second process hole group and the fourth process hole group have the same structure and are symmetrically arranged along the second center line.

6. The liquid flow direction control device for a columnar container according to claim 5, characterized in that, The first process hole group includes a first hole, a second hole, and a third hole; the second process hole group includes a fourth hole and a fifth hole; the third process hole group includes a sixth hole, a seventh hole, and an eighth hole; the fourth process hole group includes a ninth hole and a tenth hole; Among them, the first hole, the second hole, and the third hole communicate with the first circumferential control cavity, the first circumferential connection port, and the second circumferential control cavity respectively; the first hole, the second hole, and the third hole form a first converging communication port at a position close to the center of the valve block; The fourth hole communicates with the second circumferential control cavity and the third circumferential control cavity; the fifth hole communicates with the second circumferential connection port and the fourth hole; The sixth hole, the seventh hole, and the eighth hole communicate with the third circumferential control cavity, the third circumferential connection port, and the fourth circumferential control cavity respectively; the sixth hole, the seventh hole, and the eighth hole form a second converging communication port at a position close to the center of the valve block; The ninth hole communicates with the fourth circumferential control cavity and the first circumferential control cavity; the tenth hole communicates with the fourth circumferential connection port and the ninth hole.

7. The liquid flow direction control device for a columnar container according to claim 6, wherein The fifth process hole group includes an eleventh hole and a twelfth hole. The eleventh hole communicates with the end face control cavity and the first converging communication port, and thus communicates with the first hole, the second hole, and the third hole; the twelfth hole communicates with the end face control cavity and the second converging communication port, and thus communicates with the sixth hole, the seventh hole, and the eighth hole.

8. The columnar container liquid flow direction control device according to claim 7, characterized in that, The diameters of the first hole, the second hole, the third hole, the fourth hole, the fifth hole, the sixth hole, the seventh hole, the eighth hole, the ninth hole, the tenth hole, the eleventh hole, and the twelfth hole are all equal.

9. A control method for a liquid flow direction control device of a columnar container, implemented by using the columnar container liquid flow direction control device according to claim 7 or 8, characterized in that, Including the following steps: When the second circumferential diaphragm valve, the fourth circumferential diaphragm valve, and the end face diaphragm valve are in the closed state, closing the corresponding second circumferential control cavity, fourth circumferential control cavity, and end face control cavity, and when the first circumferential diaphragm valve and the third circumferential diaphragm valve are in the open state, the fluid delivery path is as follows: The fluid enters from the first container through the first circumferential connection port; successively enters the upper opening of the columnar container through the second channel, the first channel, the first circumferential control cavity, the ninth channel, and the tenth channel through the fourth circumferential connection port, flows out from the lower opening of the columnar container, and then successively passes through the second circumferential connection port, the fifth channel, the fourth channel, the third circumferential control cavity, the sixth channel, and the seventh channel, and finally flows into the second container through the third circumferential connection port; When the first circumferential diaphragm valve, the third circumferential diaphragm valve, and the end face diaphragm valve are in the closed state, closing the corresponding first circumferential control cavity, third circumferential control cavity, and end face control cavity, and the second circumferential diaphragm valve and the fourth circumferential diaphragm valve are in the open state, the fluid delivery path is as follows: The fluid enters from the first container through the first circumferential connection port; successively passes through the second channel, the third channel, the second circumferential control cavity, the fourth channel, and the fifth channel, enters the lower opening of the columnar container through the second circumferential connection port, flows out from the upper opening of the columnar container, and then successively passes through the fourth connection port, the tenth channel, the ninth channel, the fourth circumferential control cavity, the eighth channel, and the seventh channel, and finally flows into the second container through the third circumferential connection port; When the first circumferential diaphragm valve, the second circumferential diaphragm valve, the third circumferential diaphragm valve, and the fourth circumferential diaphragm valve are in the closed state, closing the corresponding first circumferential control cavity, second circumferential control cavity, third circumferential control cavity, and fourth circumferential control cavity, and the end face diaphragm valve is in the open state, the fluid delivery path is as follows: The fluid enters from the first container through the first circumferential connection port; successively passes through the second channel, the eleventh channel, the end face control cavity, the twelfth channel, and the seventh channel, and finally flows into the second container through the third circumferential connection port.

Images