CN210251995U - Device for automatically preparing buffer solution - Google Patents
Device for automatically preparing buffer solution Download PDFInfo
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- CN210251995U CN210251995U CN201920837336.1U CN201920837336U CN210251995U CN 210251995 U CN210251995 U CN 210251995U CN 201920837336 U CN201920837336 U CN 201920837336U CN 210251995 U CN210251995 U CN 210251995U
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- peristaltic pump
- storage tank
- tank body
- preparation tank
- preparation
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Abstract
The utility model discloses a device for automatically preparing buffer solution, which is provided with a solvent storage tank, wherein an electronic level gauge and an ultraviolet lamp tube are arranged in the solvent storage tank, and the solvent storage tank is connected with a preparation tank body through a first peristaltic pump, a flowmeter and a first electromagnetic valve; an alkali liquor storage tank and an acid liquor storage tank are arranged, and the alkali liquor storage tank and the acid liquor storage tank are respectively connected with the preparation tank body through a second peristaltic pump and a third peristaltic pump; the preparation tank body is connected with the liquid storage tank through a second electromagnetic valve and a fourth peristaltic pump; the outer side of the preparation tank body is provided with a heating insulation sleeve, the preparation tank body is also provided with an output pipe and an input pipe, and a fifth peristaltic pump and an external heating device are connected between the output pipe and the input pipe; a temperature sensor and a pH sensor are arranged in the preparation tank body, and the temperature sensor, the pH sensor and other electrical components are all connected with the control module.
Description
Technical Field
The utility model relates to a buffer solution prepares device, especially a can reduce intensity of labour, ensure the device of automatic preparation buffer solution of quality.
Background
The buffer solution is a solution which can resist a small amount of external strong acid, strong base or slight dilution and can keep the pH value of the solution basically unchanged, and is an indispensable important part in scientific research and production processes. The related production device at present is provided with a preparation tank body, wherein the preparation tank body is provided with a feed inlet, a sealing cover internally provided with an air filter membrane is connected with the feed inlet, stirring paddles driven by a motor are arranged in the preparation tank body, and the motor is connected with a control module. When the buffer solution is prepared, solid materials and the solvent are put into the preparation tank body from the feeding hole, the control module controls the motor, the motor drives the stirring paddle, and the solid materials and the solvent are uniformly stirred. The automatic control of temperature, pH value and the like cannot be realized, the labor intensity is high, the accuracy of the pH value of the buffer solution cannot be ensured, and the repeatability is poor.
Disclosure of Invention
The utility model relates to a solve the above-mentioned technical problem that prior art exists, provide a device of automatic preparation buffer solution that can reduce intensity of labour, ensure quality.
The technical solution of the utility model is that: the device for automatically preparing the buffer solution comprises a preparation tank body, wherein a feed inlet is formed in the preparation tank body, a sealing cover internally provided with an air filter membrane is connected with the feed inlet, stirring paddles driven by a motor are arranged in the preparation tank body, the motor is connected with a control module and is provided with a solvent storage tank, an electronic liquid level meter and an ultraviolet lamp tube are arranged in the solvent storage tank, and the solvent storage tank is connected with the preparation tank body through a first peristaltic pump, a flowmeter and a first electromagnetic valve; the device is provided with an alkali liquor storage tank and an acid liquor storage tank, wherein the alkali liquor storage tank and the acid liquor storage tank are respectively connected with the preparation tank body through a second peristaltic pump and a third peristaltic pump; the preparation tank body is connected with the liquid storage tank through a second electromagnetic valve and a fourth peristaltic pump; the outer side of the preparation tank body is provided with a heating insulation sleeve, the preparation tank body is also provided with an output pipe and an input pipe, and a fifth peristaltic pump and an external heating device are connected between the output pipe and the input pipe; the preparation tank is internally provided with a temperature sensor and a pH sensor, and the temperature sensor, the pH sensor, the motor, the electronic liquid level meter, the ultraviolet lamp tube, the first peristaltic pump, the flow meter, the first electromagnetic valve, the second peristaltic pump, the third peristaltic pump, the second electromagnetic valve, the fourth peristaltic pump, the heating insulation sleeve, the fifth peristaltic pump and the external heating device are all connected with the control module.
The utility model can realize automatic control, reduce labor intensity and improve production efficiency; the buffer solution which is suitable for different use temperatures and has accurate pH can be prepared, the stability of the pH value in mass production and the repeatability of products in different batches can be ensured, and the product quality can be ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic block circuit diagram of an embodiment of the present invention.
Detailed Description
The utility model discloses a device for automatically preparing buffer solution, it is the same with prior art to prepare jar body 1, it has feed inlet 2 to prepare jar body 1, it has built-in air filter's sealed lid 3 to meet with feed inlet 2, it has stirring thick liquid 5 by motor 4 drive to embed in preparing jar body 1, motor 4 meets with control module 6, it is equipped with solvent storage tank 7 to be different from prior art, be equipped with electronic level gauge 8 and ultraviolet fluorescent tube 9 in the solvent storage tank 7, solvent storage tank 7 is connected with preparing jar body 1 through first peristaltic pump 10, flowmeter 11 and first solenoid valve 12; an alkali liquor storage tank 13 and an acid liquor storage tank 14 are arranged, wherein the alkali liquor storage tank 13 and the acid liquor storage tank 14 are respectively connected with the preparation tank body 1 through a second peristaltic pump 15 and a third peristaltic pump 16; the preparation tank body 1 is connected with a liquid storage tank 19 through a second electromagnetic valve 17 and a fourth peristaltic pump 18; a heating insulation sleeve (insulation sleeve with built-in insulation heating wires) 20 is arranged on the outer side of the preparation tank body 1, an output pipe 21 and an input pipe 22 are further arranged on the preparation tank body 1, and a fifth peristaltic pump 23 and an external heating device 24 are connected between the output pipe 21 and the input pipe 22; the preparation tank body 1 is internally provided with a temperature sensor 25 and a pH sensor 26 which can be respectively arranged at the upper, middle and lower positions in the preparation tank body 1. The temperature sensor 25, the pH sensor 26, the motor 4, the electronic liquid level meter 8, the ultraviolet lamp tube 9, the first peristaltic pump 10, the flow meter 11, the first electromagnetic valve 12, the second peristaltic pump 15, the third peristaltic pump 16, the second electromagnetic valve 17, the fourth peristaltic pump 18, the heating insulation sleeve 20, the fifth peristaltic pump 23 and the external heating device 24 are all connected with the control module 6.
The working process is as follows:
the solvent is placed in a solvent storage tank 7, a signal of an electronic liquid level meter 8 is sent to a control module 6 to control the liquid level, and meanwhile, the control module 6 starts an ultraviolet lamp tube 9 to sterilize the solvent. NaOH and HCl are respectively placed in an alkali liquor storage tank 13 and an acid liquor storage tank 14. The control module 6 controls the first peristaltic pump 10 and the first electromagnetic valve 12 to act according to the design quantity, so that the solvent is pumped into the preparation tank body 1, and the control module 6 can control the flow rate of the solvent according to the signal of the flow meter 11. Then, a designed amount of solid materials are put into the preparation tank body 1 from the feeding hole 2, the sealing cover 3 is screwed tightly, the control module 6 controls the motor 4 to act, the materials in the preparation tank body 1 are stirred, and the fourth peristaltic pump 18, the heating insulation sleeve 20 and the external heating device 24 are controlled according to signals of the temperature sensor 25, so that the temperature in the preparation tank body 1 is adjusted. The control module 6 controls the second peristaltic pump 15 or the third peristaltic pump 16 according to the signal of the pH sensor 26, and alkali or acid can be pumped into the preparation tank body 1; the stirring state can be observed through an observation window arranged on the preparation tank body 1, whether the materials are uniformly stirred or not can be judged through the set time or the signal consistency of the plurality of pH sensors 26, and after the materials are uniformly stirred and the preparation is finished, the control module 6 starts the fifth peristaltic pump 23 to pump the prepared buffer solution into the liquid storage tank 19 for storage.
Claims (1)
1. The utility model provides an automatic prepare device of buffer solution, has and prepares a jar body (1), it has feed inlet (2) on jar body (1) to prepare, has connect sealed lid (3) of built-in air filter membrane with feed inlet (2) mutually, and it has by motor (4) driven stirring thick liquid (5) to embed in jar body (1) of preparing, motor (4) meet its characterized in that with control module (6): the device is provided with a solvent storage tank (7), an electronic liquid level meter (8) and an ultraviolet lamp tube (9) are arranged in the solvent storage tank (7), and the solvent storage tank (7) is connected with a preparation tank body (1) through a first peristaltic pump (10), a flow meter (11) and a first electromagnetic valve (12); the device is provided with an alkali liquor storage tank (13) and an acid liquor storage tank (14), wherein the alkali liquor storage tank (13) and the acid liquor storage tank (14) are respectively connected with the preparation tank body (1) through a second peristaltic pump (15) and a third peristaltic pump (16); the preparation tank body (1) is connected with a liquid storage tank (19) through a second electromagnetic valve (17) and a fourth peristaltic pump (18); a heating and heat-insulating sleeve (20) is arranged on the outer side of the preparation tank body (1), an output pipe (21) and an input pipe (22) are further arranged on the preparation tank body (1), and a fifth peristaltic pump (23) and an external heating device (24) are connected between the output pipe (21) and the input pipe (22); a temperature sensor (25) and a pH sensor (26) are arranged in the preparation tank body (1), and the temperature sensor (25), the pH sensor (26), a motor (4), an electronic liquid level meter (8), an ultraviolet lamp tube (9), a first peristaltic pump (10), a flow meter (11), a first electromagnetic valve (12), a second peristaltic pump (15), a third peristaltic pump (16), a second electromagnetic valve (17), a fourth peristaltic pump (18), a heating and heat-insulating sleeve (20), a fifth peristaltic pump (23) and an external heating device (24) are all connected with the control module (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920837336.1U CN210251995U (en) | 2019-06-05 | 2019-06-05 | Device for automatically preparing buffer solution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920837336.1U CN210251995U (en) | 2019-06-05 | 2019-06-05 | Device for automatically preparing buffer solution |
Publications (1)
Publication Number | Publication Date |
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CN210251995U true CN210251995U (en) | 2020-04-07 |
Family
ID=70040833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920837336.1U Active CN210251995U (en) | 2019-06-05 | 2019-06-05 | Device for automatically preparing buffer solution |
Country Status (1)
Country | Link |
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CN (1) | CN210251995U (en) |
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2019
- 2019-06-05 CN CN201920837336.1U patent/CN210251995U/en active Active
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic buffer preparation device Effective date of registration: 20230227 Granted publication date: 20200407 Pledgee: Industrial Bank Limited by Share Ltd. Dalian branch Pledgor: DALIAN BGBIOSCIENCE Co.,Ltd. Registration number: Y2023980033531 |