# US 2024/0201214 A1 · Automated liquid sampling device and automated liquid sampling system comprising same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0201214 A1 - Document ID: US20240201214A1 - Status: Published application - Kind: A1 - Application number: 18/578,551 - Filed: 2021-08-06 - Published: 2024-06-20 - Earliest claimed: 2021-06-22 - Assignees: Korea Institute of Energy Research - Applicants: Korea Institute of Energy Research - Inventors: Dong Hyun CHUN; Min Hye YOUN; Geun Bae RHIM - Web page: https://patentgrep.com/patent/US20240201214A1 ## CPC - G01N 35/10: Devices for transferring samples {or any liquids} to, in, or from, the analysis apparatus, e.g. suction devices, injection devices {(G01N35/0099 takes precedence)} - B01J 8/04: the fluid passing successively through two or more beds - G01N 1/10: in the liquid or fluent state {(burettes, pipettes B01L3/02; sampling of ground water E02D1/06; metering by volume of fluids or fluent solid material G01F11/00, G01F13/00)} - G01N 1/2035: {by deviating part of a fluid stream, e.g. by drawing-off or tapping} - G01N 33/00: Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS ## Abstract An automated liquid sample device is disclosed. The automated liquid sampling device of the present invention comprises: a first pipe which is connected to a (1-2)th inlet-side flow channel of a first three-way valve and through which a gas is exhausted to the outside; a second three-way valve which forms a (2-1)th inlet, a (2-2)th inlet, and a (2-3)th inlet, has a (2-1th inlet-side flow channel connected to a (1-3)th inlet-side flow channel of the first three-way valve, and has a (2-2)th inlet-side flow channel connected to a second trap, a third three-way valve which forms a (3-1)th inlet, a (3-2)th inlet, and a (3-3)th inlet; a second pipe which connects a (3-1)th inlet-side flow channel to a (2-3)th inlet-side flow channel; a third pipe which connects a (3-2)th inlet-side flow channel to the (1-2)th inlet-side flow channel of the first three-way valve; a fourth pipe which connects a (3-3)th inlet-side flow channel to the first pipe; and a controller which controls the first valve, the first three-way valve, the second three-way valve, and the third three-way valve. ## Claims ### Claim 1 An automated liquid sampling device that automates sampling of a liquid product of products of a catalytic reactor, wherein the catalytic reactor comprises a first catalytic reactor, wherein the first catalytic reactor comprises: a first reaction unit that generates the product through a catalytic reaction; a first trap connected to the first reaction unit to collect the liquid product; a second trap that is selectively connected to the first trap by a first valve to selectively collect the liquid product; and a first three-way valve which forms a (1-1)th inlet, a (1-2)th inlet, and a (1-3)th inlet and connects a (1-1)th inlet-side flow channel to the first trap, wherein the automated liquid sampling device comprises: a first pipe which is connected to a (1-2)th inlet-side flow channel and through which gas is exhausted to the outside; a second three-way valve which forms a (2-1)th inlet, a (2-2)th inlet, and a (2-3)th inlet, connects a (2-1)th inlet-side flow channel to a (1-3)th inlet-side flow channel, and connects a (2-2)th inlet-side flow channel to the second trap, a third three-way valve which forms a (3-1)th inlet, a (3-2)th inlet, and a (3-3)th inlet; a second pipe that connects a (3-1)th inlet-side flow channel to a (2-3)th inlet-side flow channel; a third pipe that connects a (3-2)th inlet-side flow channel to a (1-2)th inlet-side flow channel; a fourth pipe that connects a (3-3)th inlet-side flow channel to the first pipe; and a controller that controls the first valve, the first three-way valve, the second three-way valve, and the third three-way valve, and wherein the controller opens the first valve, connects the (1-2)th inlet to the (1-3)th inlet, connects the (2-1)th inlet to the (2-2)th inlet, and connects the (3-2)th inlet to the (3-3)th inlet such that the liquid product is collected in the second trap. ### Claim 2 (depends on 1) The automated liquid sampling device according to claim 1, wherein the controller closes the first valve and connects the (1-1)th inlet to the (1-2)th inlet such that the pressure reduction in the first reaction unit is prevented when the liquid product is drained in the second trap. ### Claim 3 (depends on 2) The automated liquid sampling device according to claim 2, wherein the controller connects the (2-2)th inlet to the (2-3)th inlet and connects the (3-1)th inlet to the (3-2)th inlet such that a pressure in the second trap is equal to a pressure in the first reaction unit before the first valve is re-opened. ### Claim 4 (depends on 1) The automated liquid sampling device according to claim 1, wherein a pressure controller is installed at the first pipe or the (1-2)th inlet-side flow channel, and wherein a flow controller is installed at the third pipe. ### Claim 5 (depends on 1) The automated liquid sampling device according to claim 1, wherein a gas meter is installed at the first pipe, and wherein a gas analyzer is installed at the fourth pipe. ### Claim 6 (depends on 1) The automated liquid sampling device according to claim 1, wherein the catalytic reactor comprises a second catalytic reactor, wherein the second catalytic reactor comprises: a second reaction unit that generates the product through a catalytic reaction; a third trap connected to the second reaction unit to collect the liquid product; a fourth trap that is selectively connected to the third trap by a second valve to selectively collect the liquid product; and a fourth three-way valve which forms a (4-1)th inlet, a (4-2)th inlet, and a (4-3)th inlet and connects a (4-1)th inlet-side flow channel to the third trap, wherein the first pipe includes: a fifth three-way valve which forms a (5-1)th inlet, a (5-2)th inlet, and a (5-3)th inlet and connects a (5-1)th inlet-side flow channel to the (1-2)th inlet-side flow channel; a sixth three-way valve which forms a (6-1)th inlet, a (6-2)th inlet, and a (6-3)th inlet and connects a (6-1)th inlet-side flow channel to a (4-2)th inlet-side flow channel; a first exhaust pipe connected to the (5-3)th inlet and the (6-3)th inlet; and a second exhaust pipe which is connected to the (5-2)th inlet and the (6-2)th inlet and to which the fourth pipe is connected, wherein the third pipe includes: a third valve which forms a 3A-th inlet and a 3B-th inlet, connects the 3A-th inlet to the (1-2)th inlet-side flow channel, and connects the 3B-th inlet to the (3-2)th inlet-side flow channel; and a fourth valve which forms a 4A-th inlet and a 4B-th inlet, connects the 4A-th inlet to the (4-2)th inlet-side flow channel, and connects the 4B-th inlet to the (3-2)th inlet-side flow channel, wherein a gas meter is installed at the second exhaust pipe, wherein a gas analyzer is installed at the fourth pipe, wherein the automated liquid sampling device comprises a seventh three-way valve that has a (7-1)th inlet, a (7-2)th inlet, and a (7-3)th inlet, connects a (7-1)th inlet-side flow channel to a (4-3)th inlet-side flow channel, connects a (7-2)th inlet-side flow channel to the fourth trap, and connects a (7-3)th inlet-side flow channel to the second pipe, and wherein, in a case where a gas discharged from the second catalytic reactor flows in the second exhaust pipe and the third pipe, the controller opens the first valve, closes the third valve, connects the (1-2)th inlet to the (1-3)th inlet, connects the (2-1)th inlet to the (2-2)th inlet, and connects the (5-1)th inlet to the (5-3)th inlet. ### Claim 7 (depends on 1) The automated liquid sampling device according to claim 1, wherein the catalytic reactor comprises a second catalytic reactor, wherein the second catalytic reactor comprises: a second reaction unit that generates the product through a catalytic reaction; a third trap connected to the second reaction unit to collect the liquid product; a fourth trap that is selectively connected to the third trap by a second valve to selectively collect the liquid product; and a fourth three-way valve which forms a (4-1)th inlet, a (4-2)th inlet, and a (4-3)th inlet and connects a (4-1)th inlet-side flow channel to the third trap, wherein the first pipe includes: a fifth three-way valve which forms a (5-1)th inlet, a (5-2)th inlet, and a (5-3)th inlet and connects a (5-1)th inlet-side flow channel to the (1-2)th inlet-side flow channel; a sixth three-way valve which forms a (6-1)th inlet, a (6-2)th inlet, and a (6-3)th inlet and connects a (6-1)th inlet-side flow channel to a (4-2)th inlet-side flow channel; a first exhaust pipe connected to the (5-3)th inlet and the (6-3)th inlet; and a second exhaust pipe which is connected to the (5-2)th inlet and the (6-2)th inlet and to which the fourth pipe is connected, wherein a gas meter is installed at the second exhaust pipe, wherein a gas analyzer is installed at each of the second pipe and the fourth pipe, wherein the automated liquid sampling device comprises: a seventh three-way valve which forms a (7-1)th inlet, a (7-2)th inlet, and a (7-3)th inlet, connects a (7-1)th inlet-side flow channel to a (4-3)th inlet-side flow channel, connects a (7-2)th inlet-side flow channel to the fourth trap, and connects a (7-3)th inlet-side flow channel to the second pipe; an eighth three-way valve which forms an (8-1)th inlet, an (8-2)th inlet, and an (8-3)th inlet, connects the (8-1)th inlet to the second pipe, and connects the (8-3)th inlet to the fourth pipe; and a fourth valve which forms a 4A-th inlet and a 4B-th inlet, connects the 4A-th inlet to the (4-2)th inlet-side flow channel, and connects the 4B-th inlet to a (8-2)th inlet-side flow channel, and wherein in a case where a gas discharged from the second catalytic reactor flows in the second exhaust pipe and the fourth pipe, the controller connects the (1-1)th inlet to the (1-2)th inlet, connects the (2-2)th inlet to the (2-3)th inlet, and connects the (3-1)th inlet to the (3-2)th inlet such that a pressure in the second trap is equal to a pressure in the first reaction unit before the first valve is re-opened. ### Claim 8 (depends on 7) The automated liquid sampling device according to claim 7, wherein a flow controller is installed at each of the second pipe and the third pipe. ### Claim 9 An automated liquid sampling system comprising: a catalytic reactor; and an automated liquid sampling device that automates sampling of a liquid product of products of the catalytic reactor, wherein the catalytic reactor comprises a first catalytic reactor, wherein the first catalytic reactor comprises: a first reaction unit that generates the product through a catalytic reaction; a first trap connected to the first reaction unit to collect the liquid product; a second trap that is selectively connected to the first trap by a first valve to selectively collect the liquid product; and a first three-way valve which forms a (1-1)th inlet, a (1-2)th inlet, and a (1-3)th inlet and connects a (1-1)th inlet-side flow channel to the first trap, wherein the automated liquid sampling device includes: a first pipe which is connected to a (1-2)th inlet-side flow channel and through which gas is exhausted to the outside; a second three-way valve which forms a (2-1)th inlet, a (2-2)th inlet, and a (2-3)th inlet, connects a (2-1)th inlet-side flow channel to a (1-3)th inlet-side flow channel, and connects a (2-2)th inlet-side flow channel to the second trap, a third three-way valve which forms a (3-1)th inlet, a (3-2)th inlet, and a (3-3)th inlet; a second pipe that connects a (3-1)th inlet-side flow channel to a (2-3)th inlet-side flow channel; a third pipe that connects a (3-2)th inlet-side flow channel to a (1-2)th inlet-side flow channel; a fourth pipe that connects a (3-3)th inlet-side flow channel to the first pipe; and a controller that controls the first valve, the first three-way valve, the second three-way valve, and the third three-way valve, and wherein the controller opens the first valve, connects the (1-2)th inlet to the (1-3)th inlet, connects the (2-1)th inlet to the (2-2)th inlet, and connects the (3-2)th inlet to the (3-3)th inlet such that the liquid product is collected in the second trap.