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CN-116359063-B - Chloroacetic acid specific gravity testing device and method

CN116359063BCN 116359063 BCN116359063 BCN 116359063BCN-116359063-B

Abstract

The invention relates to the technical field of detection devices, in particular to a chloroacetic acid specific gravity testing device and a chloroacetic acid specific gravity testing method. Including the frame, the inner wall fixed mounting of frame has the inner tube of vertical setting, the inside of inner tube has offered mutually isolated appearance chamber, cloth liquid chamber, stock solution chamber and waste discharge chamber from top to bottom in proper order, the internally mounted in stock solution chamber has the liquid module that send, the week side fixed mounting of inner tube has a set of accredited testing organization that is circumference array distribution, the week side of inner tube just corresponds the position sliding connection of accredited testing organization top has the go-between, the upper portion fixed mounting of inner tube has the lead screw drive module of vertical setting, the week side and the go-between transmission of lead screw drive module are connected. The invention has the beneficial effects that the single-station type monitoring structure of the traditional specific gravity testing device is changed into a multi-station type detection structure through the arrangement of the multiple testing mechanisms, and when the device works, the multiple testing mechanisms can synchronously carry out specific gravity detection operation of the same testing liquid in the same detection mode.

Inventors

  • WANG XIA
  • LIU MIN
  • GUO CHAOZHEN
  • GAO JIE
  • ZUO KAIXUAN
  • ZHANG SHAOKANG

Assignees

  • 石家庄东华金龙化工有限公司

Dates

Publication Date
20260512
Application Date
20230317

Claims (7)

  1. 1. The chloroacetic acid specific gravity testing device is characterized by comprising a frame (1), an inner barrel (2) which is vertically arranged is fixedly arranged on the inner wall of the frame (1), and the chloroacetic acid specific gravity testing device is characterized in that a sample storage cavity (3), a liquid distribution cavity (4), a liquid storage cavity (5) and a waste discharge cavity (6) which are isolated from each other are sequentially formed in the inner barrel (2) from top to bottom, a liquid feeding module (7) is arranged in the liquid storage cavity (5), a group of testing mechanisms which are distributed in a circumferential array are fixedly arranged on the circumferential side surface of the inner barrel (2), a lifting ring (8) is slidingly connected to the circumferential side surface of the inner barrel (2) and corresponds to the position above the testing mechanisms, a screw rod driving module (9) which is vertically arranged is fixedly arranged on the upper portion of the inner barrel (2), an electric measuring module is arranged on the bottom surface of the lifting ring (8) and corresponds to the position of each testing mechanism, a transmission rotary drum (10) is rotationally connected to the lower portion of the inner barrel (2), a transmission rotary drum (11) is fixedly arranged on the surface of the frame (1), a transmission gear ring a (12) and a transmission gear ring b (13) which are matched with the testing mechanism are respectively and fixedly arranged on the peripheral side surface of the transmission rotary cylinder (10); The testing mechanism comprises a liquid inlet cylinder (14) and a waste discharge cylinder (15), wherein a testing rotary cylinder (16) is communicated between opposite surfaces of the liquid inlet cylinder (14) and the waste discharge cylinder (15) in a rotating way, a liquid inlet main pipe (17) is fixedly communicated with the surface of the liquid inlet cylinder (14), the other end of the liquid inlet main pipe (17) is fixedly communicated with a liquid distribution cavity (4), a sample injection branch pipe (18) is fixedly communicated with the peripheral side surface of the liquid inlet main pipe (17), the other end of the sample injection branch pipe (18) is fixedly communicated with the sample storage cavity (3), one end of a waste discharge outlet of the waste discharge cylinder (15) is fixedly communicated with the waste discharge cavity (6), and a stirring module is arranged at the axis position of the waste discharge cylinder (15), and the testing rotary cylinder (16) is driven by the stirring module; The liquid feeding module (7) comprises a liquid supplementing pipe which is arranged on the peripheral side surface of the inner cylinder (2) and fixedly communicated with the liquid storage cavity (5), and a pump body which is arranged at the inner top of the liquid storage cavity (5), wherein one end of a liquid outlet of the pump body is fixedly communicated with the liquid distribution cavity (4), and one end of a liquid inlet of the pump body is fixedly communicated with a liquid suction pipe.
  2. 2. The chloroacetic acid specific gravity testing device according to claim 1, wherein the inside of the liquid inlet main pipe (17) and the inside of the sample injection branch pipe (18) are respectively provided with an electromagnetic valve a and a flowmeter, and an electromagnetic valve b is fixedly arranged at the communication position of the waste discharge barrel (15) and the waste discharge cavity (6).
  3. 3. The chloroacetic acid specific gravity testing device according to claim 2, wherein the stirring module comprises an outer stirring sleeve (19) rotationally connected with the waste discharge cylinder (15), a differential shaft a (20) and a differential shaft b (21), the peripheral side surface of the outer stirring sleeve (19) is rotationally connected with the waste discharge cylinder (15), the inner wall of the outer stirring sleeve (19) is rotationally connected with an inner stirring shaft (22), a driven gear a (23) meshed with a transmission gear ring a (12) is fixedly arranged at the bottom end of the inner stirring shaft (22), linkage gears a (24) are fixedly arranged at the bottom ends of the differential shaft a (20) and the differential shaft b (21), a driven gear b (25) is fixedly arranged at the peripheral side surface of the outer stirring sleeve (19), the peripheral side surfaces of the two linkage gears a (24) are respectively meshed with the driven gear b (25), the peripheral side surface of the gear a (24) at the differential shaft b (21) is in transmission connection with a transmission gear b (13), a set of stirring rods (16) are fixedly arranged at the peripheral side surfaces of the inner stirring sleeve (19) and are fixedly arranged at the peripheral side surfaces of the corresponding testing cylinder (16) and are fixedly arranged at the peripheral surfaces of the testing cylinder (26), the top end of the differential shaft a (20) is fixedly provided with a linkage gear b (29), and the bottom of the test rotary cylinder (16) is fixedly provided with a differential gear ring (30) meshed with the linkage gear b (29).
  4. 4. The chloroacetic acid specific gravity testing device according to claim 3, wherein the electrical testing module comprises an electrical testing cylinder (31) which is vertically arranged and fixedly communicated with the liquid inlet cylinder (14), and a tension sensor (32) which is vertically arranged and fixedly connected with the lifting ring (8), a lifting rope (33) is fixedly connected to a port of the tension sensor (32), a probe (34) is fixedly arranged at the bottom end of the lifting rope (33), the probe (34) is arranged on the inner side of the electrical testing cylinder (31), and a liquid level sensor (35) which is vertically arranged is fixedly arranged in the liquid inlet cylinder (14).
  5. 5. The chloroacetic acid specific gravity testing device according to claim 1, wherein a single chip microcomputer (36) electrically connected with the tension sensor (32), the liquid level sensor (35), the electromagnetic valve a, the electromagnetic valve b and the flowmeter is fixedly arranged on the surface of the rack (1), a display screen is fixedly arranged on the surface of the single chip microcomputer (36), and a sample supplementing tube communicated with the sample storage cavity (3) is fixedly arranged on the top of the inner cylinder (2).
  6. 6. The chloroacetic acid specific gravity testing device according to claim 1, wherein the testing rotary cylinder (16) and the inner cylinder (2) are made of transparent materials, a waste outlet pipe (37) which is in rotary communication with the waste discharge cavity (6) is fixedly arranged on the bottom surface of the frame (1), and a valve is fixedly arranged in the waste outlet pipe (37).
  7. 7. The method for testing a chloroacetic acid specific gravity test apparatus according to claim 4, comprising the steps of: SS001, before testing, enough chloroacetic acid test solution is stored in the sample storage cavity (3), enough clear water is stored in the liquid storage cavity (5), before testing, the lifting ring (8) is reset to the initial highest height, and the waste discharge pipe (37) is communicated with the external waste discharge cylinder (15); After the steps SS002 and SS001, the monitoring values of the tension sensor (32) and the liquid level sensor (35) are zeroed; When SS003 and test are carried out, under the driving action of the liquid feeding module (7), clean water with a fixed height is fed into the test rotary cylinder (16), the screw rod driving module (9) drives the lifting ring (8) to place the probe (34) into the test rotary cylinder (16) loaded with the clean water, after the probe (34) is fully displaced, the clean water in the test rotary cylinder (16) can flow over the probe (34), and when the clean water in the test rotary cylinder (16) flows over the probe (34), the calibration program in the singlechip (36) finishes the initial reference value calibration; After SS004 and initial reference value are calibrated, an electromagnetic valve b in a waste discharge cylinder (15) is opened, clear water in a test rotary cylinder (16) is emptied, after clear water is emptied, a probe (34) is reset to an initial height under the action of a lifting ring (8), after reset, a sample storage cavity (3) quantitatively feeds chloroacetic acid test liquid into the test rotary cylinder (16), after the chloroacetic acid test liquid is fed, the liquid level of the test liquid is ensured to overflow the probe (34), when the test liquid overflows the probe (34) at the moment, a servo motor (11) works, a stirring module is driven to stir the chloroacetic acid test liquid, after the stirring module stirs the chloroacetic acid test liquid for a specified time, the servo motor (11) is closed, the chloroacetic acid test liquid is kept still, after the chloroacetic acid test liquid is kept still for a specified time, a singlechip (36) receives data feedback from a tension sensor (32) and calibrates the value of the tension sensor (32) to be a real-time feedback value, and then the singlechip (36) calculates the specific gravity of the chloroacetic acid test liquid in an auxiliary test formula by calculating the initial reference value and the real-time feedback value of the tension sensor (32).

Description

Chloroacetic acid specific gravity testing device and method Technical Field The invention relates to the technical field of detection devices, in particular to a chloroacetic acid specific gravity testing device and a chloroacetic acid specific gravity testing method. Background Chloroacetic acid is an important intermediate of organic chemical industry, and is widely used for producing pesticides, medicines and daily chemicals, and the annual demand of China for chloroacetic acid exceeds 30 ten thousand tons. In the process of producing chloroacetic acid by a sulfur catalysis method, firstly, mixed liquid of chloroacetic acid and mother liquor is obtained, then the obtained mixed liquid is introduced into a crystallization kettle for condensation, the condensed crystal liquid is directly sent into a suction filtration box for vacuum filtration, mother liquor is pumped out, solid chloroacetic acid is left in the suction filtration box, in the process of processing chloroacetic acid, a specific gravity meter is required to be adopted to realize detection of chloroacetic acid concentration and specific gravity value, in the prior art, various types of specific gravity detection devices are already present, such as a patent document with the publication number of CN215985618U, a weighing type mud specific gravity meter is disclosed, the specific gravity meter comprises a gauge head part with a built-in weighing sensor, the top of the gauge head part is connected with a gauge head lifting part, the lower part of the gauge head part is provided with a through hole, a lifting rope part connected with the lower part of the weighing sensor passes through the through hole and is connected with a probe, an internal module group is also arranged in the gauge head part, and the inside of the gauge head part is connected with the weighing sensor, so long as to put the probe into the measured mud, the specific gravity meter is capable of displaying the specific gravity of the mud, but the device is difficult to realize the detection of the specific gravity of the mud when the specific gravity detection device is carried out, and the detection device is difficult to detect the specific gravity detection device based on the specific gravity detection device on the detection device, and the detection device is on the detection level of the detection device on the basis of the specific gravity detection device, and the detection device is difficult to solve on the detection device. Disclosure of Invention Aiming at the technical problems in the prior art, the invention provides the chloroacetic acid specific gravity testing device and the chloroacetic acid specific gravity testing method to solve the problems that the existing detecting device can carry out single-station detection, so that the detecting effect of the detecting device is not representative, and on the other hand, the concentration uniformity of a detected object cannot be ensured by the existing detecting device, so that the detecting accuracy of the detecting device is difficult to ensure. The chloroacetic acid specific gravity testing device comprises a rack, wherein an inner barrel is fixedly arranged on the inner wall of the rack, a sample storage cavity, a liquid distribution cavity, a liquid storage cavity and a waste discharge cavity which are isolated from each other are sequentially formed in the inner barrel from top to bottom, a liquid feeding module is arranged in the liquid storage cavity, a group of testing mechanisms distributed in a circumferential array are fixedly arranged on the circumferential side surface of the inner barrel, lifting rings are slidingly connected to the circumferential side surface of the inner barrel and correspond to the positions above the testing mechanisms, a screw rod driving module is fixedly arranged on the upper portion of the inner barrel, the circumferential side surface of the screw rod driving module is in transmission connection with the lifting rings, an electric measuring module is arranged on the bottom surface of the lifting rings and correspond to the positions of each testing mechanism, a transmission rotary barrel is rotationally connected to the lower portion of the inner barrel, a servo motor is fixedly arranged on the surface of the rack, the output of the servo motor is in transmission connection with the transmission rotary barrel, and a transmission gear ring a and a transmission gear ring and a transmission b matched with the testing mechanisms are fixedly arranged on the circumferential side surface of the transmission rotary barrel. The beneficial effects of the invention are as follows: 1) Through the setting of many accredited testing organization, become traditional specific gravity testing arrangement's single-position formula monitoring structure for multistation formula detection structure, during operation, a plurality of accredited testing organization can carry out the specific gra