CN201746323U - Apparatus for purifying potassium peroxydisulfate in lab - Google Patents

Apparatus for purifying potassium peroxydisulfate in lab Download PDF

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Publication number
CN201746323U
CN201746323U CN2010202034550U CN201020203455U CN201746323U CN 201746323 U CN201746323 U CN 201746323U CN 2010202034550 U CN2010202034550 U CN 2010202034550U CN 201020203455 U CN201020203455 U CN 201020203455U CN 201746323 U CN201746323 U CN 201746323U
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China
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dissolving tank
socket
electrically connected
casing
electric heater
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Expired - Fee Related
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CN2010202034550U
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Chinese (zh)
Inventor
江敏
余根鼎
邢斌
屈锐
任治安
何琳
吴昊
彭章晓
黄央央
李利
胡文婷
卢柳
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Shanghai Maritime University
Shanghai Ocean University
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Shanghai Maritime University
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Abstract

The utility model relates to an apparatus for purifying potassium peroxydisulfate in a lab. The apparatus comprises a dissolving tank and a programmable temperature controller, and is characterized in that: the dissolving tank comprises a left dissolving tank and a right dissolving tank which are communicated with each other through an upper tube and a lower tube between the inner walls of the left dissolving tank and the right dissolving tank, a crystal extraction basket which comprises a filter plate fixed in the middle of a handle frame and a crystal plate fixed on the lower end of the handle frame is arranged in the left dissolving tank, magnetic stirring rotors, electric heaters with power input plugs on upper covers and temperature sensors with signal output plugs are arranged in the left and the right dissolving tanks, which are placed on magnetic stirrers, the programmable temperature controller comprises a singlechip microcontroller with a display in a shell, a left solid-state relay and a right solid-state relay, the front of the shell is provided with signal input sockets for the temperature sensors, power output sockets for the electric heaters and a display window, and one side of the shell is provided with an alternating-current power socket, a direct-current power socket and a data port. The utility model can obtain high-purity potassium peroxydisulfate, and has the advantages of reasonable structure and simple operation. The utility model is applicable to the purification of potassium peroxydisulfate in labs.

Description

A kind of laboratory device of purification Potassium Persulphate
Technical field:
The utility model relates to a kind of device of the Potassium Persulphate of purifying, and particularly relates to the device of a kind of laboratory with the purification Potassium Persulphate.
Background technology:
Potassium Persulphate is a kind of white, tasteless crystal, often makes strong oxidizer and uses, and be the key reagents that " alkaline alkaline potassium per-sulfate digestion ultraviolet spectrophotometry " measures total nitrogen.But often blank value is very high in the determination of total nitrogen content process for present homemade Potassium Persulphate reagent, substantially exceeds scope, influences accuracy of measurement, especially influences the mensuration of low concentration total nitrogen.In analytic process, guarantee its highly sensitive for this reason, improve accuracy and precision and just must manage to reduce blank value.The Potassium Persulphate reagent purity is not high, impurity is too much, is blank too high major cause to occur, and blank light absorption value reaches more than 1.5 usually.Therefore the key that reduces blank value is to improve Potassium Persulphate purity, reduces and disturbs, and the solution blank value that guarantees to prepare is in low scope.Adopt import reagent can satisfy survey requirement, but expense is higher, is example with Sigma company product: 800 yuan of 500g/ bottle prices, 20 yuan of domestic reagent 500g/ bottle prices.
Domestic reagent can't satisfy the requirement of total nitrogen test at present, though domestic have pair Potassium Persulphate purification to experimentize, but these experiments are all adopted twice or recrystallization method repeatedly, not to its process further investigation, confirm that by experiment though this method operation is simple relatively, yield is lower, operational path is long, and purity still difficulty reaches survey requirement.
Summary of the invention:
The purpose of this utility model is that the device of a kind of laboratory with the purification Potassium Persulphate will be provided, and it not only can make the high purity Potassium Persulphate effectively with the satisfied requirement of measuring total nitrogen, and, rational in infrastructure, simple to operate.
Solution of the present utility model to achieve the above object is: a kind of laboratory of the present utility model comprises a dissolving tank and Programmable Temperature controller with the device of purification Potassium Persulphate, described dissolving tank is by a left side, a right dissolving tank and a left side, on right dissolving tank two inner side-walls, the left side of connection respectively between the lower end, on the right dissolving tank, following pipeline constitutes, be mounted with a crystallization in the described left dissolving tank and extract basket, described crystallization is extracted basket by the handle rack that is " ∩ " shape, the crystallization plates that is fixed on the screen plate of the handle rack center that is " ∩ " shape and is fixed on end, the handle rack lower end place that is " ∩ " shape forms, described screen plate is by uniform foraminous lower plate on it, filtration gauze layer on the uniform foraminous lower plate and the uniform foraminous upper plate that filters on the gauze layer are formed, described crystallization plates is by uniform foraminous lower plate on it, uniform foraminous upper plate on gauze layer on the uniform foraminous lower plate and the gauze layer is formed, be equiped with the left electric heater of charged source input plug and the left temperature sensor of band signal output plug by loam cake in the described left dissolving tank, also be installed on a left magnetic stirring rotator in the described left dissolving tank, be equiped with the right electric heater of charged source input plug and the right temperature sensor of band signal output plug by loam cake in the described right dissolving tank, also be installed on a right magnetic stirring rotator in the described right dissolving tank, a described left side, right dissolving tank is placed in a left side respectively, on the right magnetic stirrer, described Programmable Temperature controller is by casing, the single chip microcontroller and the left side of the band indicating meter in the casing, right solid state relay constitutes, also be provided with a left side on the upper end of the positive end face of described casing, the signal input socket and the indicating meter window of right temperature sensor, also be provided with a left side on the bottom, the power output socket of right electric heater, one side of described casing also is equiped with AC Power supply socket, Direct current power source socket and data-interface, a described left side, the terminals of signal input socket the inner of right temperature sensor are electrically connected with two pairs of temperature sensor signal input terminals on the single chip microcontroller respectively by lead, a described left side, the direct supply of right solid state relay right-hand member just, negative terminal is electrically connected with two pairs of direct supply outlet terminals on the single chip microcontroller respectively by lead, a described left side, the moving contact terminal stud of right solid state relay left end by lead respectively with a left side, one terminals of power output socket the inner of right electric heater are electrically connected, a described left side, another terminals of power output socket the inner of right electric heater are electrically connected with terminals of AC Power supply socket the inner by lead respectively, a described left side, the static contact terminal stud of right solid state relay left end is electrically connected with another terminals of AC Power supply socket the inner respectively by lead, described Direct current power source socket is electrically connected with direct supply interface on the single chip microcontroller by cable, described data-interface is electrically connected with data-interface on the single chip microcontroller by cable, indicating meter on the described single chip microcontroller is installed in the indicating meter window place on the upper end of the positive end face of casing, a described left side, left side in the right dissolving tank, the power input plug of right electric heater respectively with the casing of described Programmable Temperature controller on a left side, the power output socket formation of right electric heater is connected and fixed and is electrically connected a described left side, left side in the right dissolving tank, the signal output plug of right temperature sensor respectively with the casing of described Programmable Temperature controller on a left side, the signal input socket formation of right temperature sensor is fixedly connected and is electrically connected.
Be respectively equipped with a thermal insulation layer on the perisporium of the upper and lower pipeline between described left and right dissolving tank two inner side-walls.
A kind of laboratory of the present utility model device of purification Potassium Persulphate, and adopt the combination of dissolving tank and Programmable Temperature controller, described dissolving tank is by a left side, right dissolving tank forms, a left side, pass through last between two inner side-walls of right dissolving tank, following pipeline is communicated with, be mounted with by the handle rack that is " ∩ " shape in the described left dissolving tank, be fixed on the screen plate at handle rack middle part and place, end, lower end, basket is extracted in the formed crystallization of crystallization plates, described screen plate is by uniform foraminous lower plate on it, filtration gauze layer on the uniform foraminous lower plate and the uniform foraminous upper plate that filters on the gauze layer are formed, described crystallization plates is by uniform foraminous lower plate on it, uniform foraminous upper plate on gauze layer on the uniform foraminous lower plate and the gauze layer is formed, a described left side, be equiped with the electric heater of charged source input plug and the temperature sensor of band signal output plug by loam cake respectively in the right dissolving tank, a left side, also be installed on a magnetic stirring rotator in the right dissolving tank, described Programmable Temperature controller is by casing, the single chip microcontroller and the left side of band indicating meter, right solid state relay constitutes, the upper end of the positive end face of casing is provided with a left side, the signal input socket and the indicating meter window of right temperature sensor, also be provided with a left side on the bottom, the power output socket of right electric heater, one side of casing also is equiped with AC Power supply socket, Direct current power source socket and data-interface, the power input plug of described electric heater respectively with the casing of Programmable Temperature controller on the power output socket of electric heater form and be connected and fixed and be electrically connected, the signal output plug of described temperature sensor respectively with the casing of Programmable Temperature controller on the signal input socket of temperature sensor form and be fixedly connected and be electrically connected.
In the operating process, in left dissolving tank, put into crystallization earlier and extract basket, adding solution and domestic reagent Potassium Persulphate and heating and the magnetic stirring rotator by magnetic stirrer again in right dissolving tank stirs and makes dissolving, domestic reagent potassium persulfate solution after the heated and stirred dissolving is promptly in the dissolving tank of a last pipeline flow-direction left side, left side dissolving tank is a crystallizer tank, the screen plate that basket is extracted in crystallization filters undissolved large granular impurity, crystalline particle is created on the crystallization plates, baskets are extracted in two crystallizations of general use, replace behind the certain hour, take out crystallization, put down new crystallization and extract basket, because the temperature difference, a left side, solution stream in the right dissolving tank is to being that solution in the right dissolving tank is in the dissolving tank of a last pipeline flow-direction left side, again by in the left dissolving tank in the following right dissolving tank of pipeline flow-direction, after new crystallization produced, dissolving tank added solution and domestic reagent Potassium Persulphate to the right simultaneously.
A described left side, temperature control in the right dissolving tank, the utilization of Programmable Temperature controller is positioned at a left side, the data that temperature sensor in the right dissolving tank feeds back are compared with default temperature variation curve, control the working order of electric heater by the switch of control solid state relay, thereby make a left side, temperature in the right dissolving tank changes according to default temperature variation curve, the user is converted to a plurality of constant temperature period with required Tc change curve and represents, corresponding program is imported single chip microcontroller by data-interface, promptly can realize precise dose control, also can obtain observation in the operating process from the indicating meter of single chip microcontroller, Programmable Temperature controller of the present utility model can be realized the temperature control of 200 periods, temperature minimum change gradient is 0.1 ℃, can realize accurate Tc control, Programmable Temperature controller design of the present utility model is based on general 80S52 type single chip microcontroller, cost is low, the reliability height is easy to learning and mastering.
A kind of laboratory of the present utility model can obtain the fine crystal product with the device of purification Potassium Persulphate by primary crystallization, make product satisfy the requirement of total nitrogen test, and meet or exceed external reagent level, and can reduce determination of total nitrogen content cost in the water quality significantly, employing 500g/ bottle price is that 20 yuan domestic reagent is purified on the device of a kind of laboratory of the present utility model with the purification Potassium Persulphate again, in process recovery ratio 90%, add charges for water and electricity usefulness, about 35 yuan of every 500g cost, have only import reagent 4.4%, can save 765 yuan of testing expenses.
Description of drawings:
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the dissolving tank synoptic diagram of a kind of laboratory of the present utility model with the device of purification Potassium Persulphate.
Fig. 2 is that the basket synoptic diagram is extracted with the crystallization of the device of purification Potassium Persulphate in a kind of laboratory of the present utility model.
Fig. 3 is the Programmable Temperature controller synoptic diagram of a kind of laboratory of the present utility model with the device of purification Potassium Persulphate.
Fig. 4 is the electrical connection synoptic diagram of a kind of laboratory of the present utility model with the device of purification Potassium Persulphate.
Embodiment:
Below with reference to accompanying drawing the device of a kind of laboratory of the present utility model with the purification Potassium Persulphate is described in further detail.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of laboratory of this utility model includes a dissolving tank and Programmable Temperature controller 1 with the device of purification Potassium Persulphate.
Described dissolving tank is by a left side, right dissolving tank 21,22 and left, right dissolving tank 21, on 22 liang of inner side-walls, the left side of connection respectively between the lower end, right dissolving tank 21, on 22, following pipeline 23,24 constitute, a described left side, right dissolving tank 21, on between 22 liang of inner side-walls, following pipeline 23, be respectively equipped with a thermal insulation layer 6 on 24 the perisporium, 7, be mounted with a crystallization in the described left dissolving tank 21 and extract basket, described crystallization is extracted basket by the handle rack 31 that is " ∩ " shape, the crystallization plates 33 that is fixed on the screen plate 32 of handle rack 31 center that are " ∩ " shape and is fixed on end, the handle rack 31 lower end place that is " ∩ " shape forms, described screen plate 32 is by uniform foraminous lower plate 321 on it, filtration gauze layer 322 on the uniform foraminous lower plate 321 and the uniform foraminous upper plate 323 that filters on the gauze layer 322 are formed, described crystallization plates 33 is by uniform foraminous lower plate 331 on it, gauze layer 332 on the uniform foraminous lower plate 331 and the uniform foraminous upper plate 333 on the gauze layer 332 are formed, be equiped with the left electric heater 212 of charged source input plug and the left temperature sensor 213 of band signal output plug by loam cake 211 in the described left dissolving tank 21, also be installed on a left magnetic stirring rotator 214 in the described left dissolving tank 21, be equiped with the right electric heater 222 of charged source input plug and the right temperature sensor 223 of band signal output plug by loam cake 221 in the described right dissolving tank 22, also be installed on a right magnetic stirring rotator 224 in the described right dissolving tank 22, a described left side, right dissolving tank 21,22 are placed in a left side respectively, right magnetic stirrer 4, on 5.
Described Programmable Temperature controller 1 is by casing 11, the single chip microcontroller 12 and the left side of the band indicating meter in the casing 11, right solid state relay 13,14 constitute, also be provided with a left side on the upper end of the positive end face of described casing 11, the signal input socket 15 of right temperature sensor, 16 and indicating meter window 17, also be provided with a left side on the bottom, the power output socket 18 of right electric heater, 19, one side of described casing 11 also is equiped with AC Power supply socket 110, Direct current power source socket 111 and data-interface 112, a described left side, the signal input socket 15 of right temperature sensor, the terminals of 16 the inners by lead respectively with single chip microcontroller 12 on two pairs of temperature sensor signal input terminals 121,122 are electrically connected, a described left side, right solid state relay 13, the direct supply of 14 right-hand members just, negative terminal by lead respectively with single chip microcontroller 12 on two pairs of direct supply outlet terminals 123,124 are electrically connected, a described left side, right solid state relay 13, the moving contact terminal stud of 14 left ends by lead respectively with a left side, the power output socket 18 of right electric heater, one terminals of 19 the inners are electrically connected, a described left side, the power output socket 18 of right electric heater, another terminals of 19 the inners are electrically connected by the terminals of lead with AC Power supply socket 110 the inners respectively, a described left side, right solid state relay 13, the static contact terminal stud of 14 left ends is electrically connected with another terminals of AC Power supply socket 110 the inners respectively by lead, described Direct current power source socket 111 is electrically connected with direct supply interface 126 on the single chip microcontroller 12 by cable, described data-interface 112 by cable be electrically connected with data-interface 125 on the single chip microcontroller 12, indicating meter on the described single chip microcontroller 12 is installed in indicating meter window 17 places on the upper end of casing 11 positive end faces, a described left side, right dissolving tank 21, left side in 22, right electric heater 212,222 power input plug respectively with the casing 11 of described Programmable Temperature controller 1 on the power output socket 18 of electric heater, 19 formation are connected and fixed and are electrically connected a described left side, right dissolving tank 21, left side in 22, right temperature sensor 213,223 signal output plug respectively with the casing 11 of described Programmable Temperature controller 1 on a left side, the signal input socket 15 of right temperature sensor, 16 formation are fixedly connected and are electrically connected.

Claims (2)

1. a laboratory is with the device of purification Potassium Persulphate, it comprises a dissolving tank and Programmable Temperature controller (1), it is characterized in that described dissolving tank is by a left side, right dissolving tank (21), (22) and a left side, right dissolving tank (21), on (22) two inner side-walls, the left side of connection respectively between the lower end, right dissolving tank (21), (22) on, following pipeline (23), (24) constitute, be mounted with a crystallization in the described left dissolving tank (21) and extract basket, described crystallization is extracted basket by the handle rack that is " ∩ " shape (31), the crystallization plates (33) that is fixed on the screen plate (32) of handle rack (31) center that is " ∩ " shape and is fixed on handle rack (31) end, the lower end place that is " ∩ " shape forms, described screen plate (32) is by uniform foraminous lower plate (321) on it, filtration gauze layer (322) on the uniform foraminous lower plate (321) and the uniform foraminous upper plate (323) that filters on the gauze layer (322) are formed, described crystallization plates (33) is by uniform foraminous lower plate (331) on it, gauze layer (332) on the uniform foraminous lower plate (331) and the uniform foraminous upper plate (333) on the gauze layer (332) are formed, be equiped with the left electric heater (212) of charged source input plug and the left temperature sensor (213) of band signal output plug by loam cake (211) in the described left dissolving tank (21), also be installed on a left magnetic stirring rotator (214) in the described left dissolving tank (21), be equiped with the right electric heater (222) of charged source input plug and the right temperature sensor (223) of band signal output plug by loam cake (221) in the described right dissolving tank (22), also be installed on a right magnetic stirring rotator (224) in the described right dissolving tank (22), a described left side, right dissolving tank (21), (22) be placed in a left side respectively, right magnetic stirrer (4), (5) on, described Programmable Temperature controller (1) is by casing (11), the single chip microcontroller (12) and the left side of the band indicating meter in the casing (11), right solid state relay (13), (14) constitute, also be provided with a left side on the upper end of the positive end face of described casing (11), the signal input socket (15) of right temperature sensor, (16) and indicating meter window (17), also be provided with a left side on the bottom, the power output socket (18) of right electric heater, (19), one side of described casing (11) also is equiped with AC Power supply socket (110), Direct current power source socket (111) and data-interface (112), a described left side, the signal input socket (15) of right temperature sensor, (16) Nei Duan terminals by lead respectively with single chip microcontroller (12) on two pairs of temperature sensor signal input terminals (121), (122) be electrically connected, a described left side, right solid state relay (13), (14) direct supply of right-hand member just, negative terminal by lead respectively with single chip microcontroller (12) on two pairs of direct supply outlet terminals (123), (124) be electrically connected, a described left side, right solid state relay (13), (14) the moving contact terminal stud of left end by lead respectively with a left side, the power output socket (18) of right electric heater, (19) inner terminals are electrically connected, a described left side, the power output socket (18) of right electric heater, (19) Nei Duan another terminals are electrically connected by the inner terminals of lead and AC Power supply socket (110) respectively, a described left side, right solid state relay (13), (14) the static contact terminal stud of left end is electrically connected with another terminals of AC Power supply socket (110) the inner respectively by lead, described Direct current power source socket (111) connects (126) by cable and direct supply on the single chip microcontroller (12) and is electrically connected, described data connect (112) and connect (125) by cable and data on the single chip microcontroller (12) and be electrically connected, the indicating meter window (17) that indicating meter on the described single chip microcontroller (12) is installed on the upper end of the positive end face of casing (11) is located, a described left side, right dissolving tank (21), (22) Nei a left side, right electric heater (212), (222) power input plug respectively with the casing (11) of described Programmable Temperature controller (1) on a left side, the power output socket (18) of right electric heater, (19) formation is connected and fixed and is electrically connected a described left side, right dissolving tank (21), (22) Nei a left side, right temperature sensor (213), (223) signal output plug respectively with the casing (11) of described Programmable Temperature controller (1) on a left side, the signal input socket (15) of right temperature sensor, (16) formation is fixedly connected and is electrically connected.
2. a kind of laboratory according to claim 1 is with the device of purification Potassium Persulphate, it is characterized in that being respectively equipped with a thermal insulation layer (6), (7) on the perisporium of upper and lower pipeline (23), (24) between described left and right dissolving tank (21), (22) two inner side-walls.
CN2010202034550U 2010-05-24 2010-05-24 Apparatus for purifying potassium peroxydisulfate in lab Expired - Fee Related CN201746323U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106865503A (en) * 2017-03-15 2017-06-20 华南理工大学 A kind of method of micro total nitrogen and ammonia nitrogen in removal potassium peroxydisulfate
CN117427365A (en) * 2023-12-20 2024-01-23 福建铭麟科技有限公司 Potassium persulfate preparation technology and preparation device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106865503A (en) * 2017-03-15 2017-06-20 华南理工大学 A kind of method of micro total nitrogen and ammonia nitrogen in removal potassium peroxydisulfate
CN117427365A (en) * 2023-12-20 2024-01-23 福建铭麟科技有限公司 Potassium persulfate preparation technology and preparation device
CN117427365B (en) * 2023-12-20 2024-03-15 福建铭麟科技有限公司 Potassium persulfate preparation technology and preparation device

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Granted publication date: 20110216

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