Rapid as-is liquid diversion and distribution system and method

Abstract

A rapid as-is liquid diversion and distribution system and method. The distribution system comprises a PLC conveyance and distribution control module (1), a continuous sample collection module (2), a liquid diversion and distribution module (3), an as-is real-time monitoring module (4), a liquid convergence and reuse module (5), a reaction unit group (6), and an overflow channel (7). Spectral signals of samples at different concentrations under static conditions are detected by means of the as-is real-time monitoring module (4), such that the spectral signals under the static conditions can be compared under different liquid intake flow velocity conditions, and the liquid intake flow velocity corresponding to a spectrum for when the degree of coincidence is the highest and the noise is the minimum is rapidly selected; and an optimal flow rate and flow velocity at which a liquid flows through a corresponding module are determined, so as to dynamically adjust the flow rate and flow velocity of a liquid sample in a distribution system in real time, thereby satisfying long-distance liquid supply requirements while ensuring the timeliness of liquid distribution, avoiding adverse effects of materials with changed properties on detection results, and facilitating an improvement in the accuracy of liquid material detection results.

Description

A rapid original sample liquid split distribution system and a distribution method thereof TECHNICAL FIELD

[0001] The present application relates to the technical field of process industry, in particular to a rapid original sample liquid split distribution system and a distribution method thereof. BACKGROUND

[0002] Process industry, also known as process industry, refers to a production process through physical change, chemical change or combination of the two changes, and the raw materials and products are mostly homogeneous phase (solid, liquid or gas) materials, rather than assembled from parts. Chemical industry, oil refining, metallurgy, light industry, building materials, pharmaceutical industry and other industries are related to process industry. Since process industry mainly produces value through mixing and forming or chemical reaction, such as the process of producing pharmaceuticals, chemicals and food and beverages, the processing process of process manufacturing industry inevitably involves a large number of physical changes and chemical changes. With the digital transformation of process industry processing and production, higher accuracy is required for the split distribution of liquids when processing homogeneous phase materials.

[0003] However, the multi-component reaction process of process industry generally has the phenomena of fast reaction speed, multiple reaction species, and gas, solid and liquid coexistence, and the concentration, temperature, salinity and viscosity of the liquid in different reaction units also have great differences.

[0004] Although the existing liquid sample collection system can continuously sample the sample, it can only transport the liquid under the preset distribution flow control, and cannot adjust the split ratio of the required flow between modules in real time according to the actual flow demand of the distribution module, so it is difficult to meet the long-distance liquid supply demand. On the other hand, the chemical reaction speed involved in process industry is relatively fast, so the physicochemical properties of the sampled material are easy to change. If the timeliness of liquid distribution cannot be guaranteed, the material with changed properties will have an adverse effect on the test results, affecting the accuracy of the test results. Therefore, we propose a rapid original sample liquid split distribution system and a distribution method thereof, which can adjust the split ratio of the required flow between modules in real time and improve the accuracy of test results.

[0005] SUMMARY

[0006] The purpose of the present application is to provide a rapid original sample liquid split distribution system and a distribution method thereof to solve the problems raised in the background.

[0007] To achieve the above purpose, the present application provides the following technical scheme:

[0008] On the one hand, a rapid original sample liquid split distribution system is provided, which comprises a PLC delivery and control module, a sample continuous collection module, a liquid split distribution module, an original sample real-time monitoring module, a liquid confluence recycling module, a reaction unit group and an overflow channel.

[0009] The PLC delivery control module, the sample continuous collection module, the liquid diversion distribution module, the original sample real-time monitoring module and the liquid confluence recycling module each comprise at least one signal transceiver;

[0010] The PLC delivery control module implements closed-loop control on the liquid diversion distribution and dynamically adjusts the liquid delivery time, flow and flow rate. The output end of the PLC delivery control module is electrically connected with the sample continuous collection module, the liquid diversion distribution module, the original sample real-time monitoring module and the liquid confluence recycling module. The PLC delivery control module sends control instructions to the sample continuous collection module, the liquid diversion distribution module, the original sample real-time monitoring module and the liquid confluence recycling module respectively.

[0011] The original sample liquid can be one or a combination of several of domestic water, sewage, industrial water or reaction liquid in industry.

[0012] The upstream pipeline of the sample continuous collection module is connected with a reaction unit group. The downstream pipeline of the reaction unit group is connected with the liquid confluence recycling module. The sample continuous collection module dynamically adjusts the total amount of collected samples by receiving the delivery control instructions of the PLC delivery control module to meet the overall use time length and total liquid amount of the system liquid delivery.

[0013] The upstream of the liquid diversion distribution module is connected with the pipeline of the sample continuous collection module. The downstream pipeline of the liquid diversion distribution module is connected with the original sample real-time monitoring module. The liquid diversion distribution module dynamically adjusts the liquid inflow of the original sample real-time monitoring module by receiving the distribution control instructions from the PLC delivery control module.

[0014] The original sample real-time monitoring module detects and analyzes the spectral signal-to-noise ratio of the liquid sample in the reaction unit group and sends the signal-to-noise ratio detection result to the PLC delivery control module in the form of positive feedback or negative feedback to dynamically adjust the liquid inflow and flow rate of the original sample real-time monitoring module.

[0015] The liquid confluence recycling module monitors the backflow liquid and delivers the backflow liquid to the appropriate reaction unit in the reaction unit group to recycle the backflow liquid.

[0016] As a further scheme of the application, the reaction unit group comprises several parallelly connected sub-reaction units. The delivery pipelines connected with adjacent sub-reaction units are independent and parallel to each other. The several sub-reaction units are connected between the sample continuous collection module and the liquid confluence recycling module. The concentrations, temperatures, salinities and viscosities of the liquid samples loaded in different sub-reaction units are not completely the same.

[0017] As a further aspect of the present application: the concentration, temperature, salinity, and viscosity of the liquid sample loaded in different sub-reaction units are completely different.

[0018] As a further aspect of the present application: the reaction unit group comprises a first reaction unit, a second reaction unit, and a third reaction unit, and each of the first reaction unit, the second reaction unit, and the third reaction unit is a liquid reaction container.

[0019] As a further aspect of the present application: the sample continuous collection module continuously collects the liquid sample loaded in the first reaction unit, the second reaction unit, and the third reaction unit, and transports the collected liquid sample to the liquid split distribution module, and the sample continuous collection module adjusts the collection flow and flow rate of the liquid according to the control instruction sent by the PLC transport and distribution control module.

[0020] As a further aspect of the present application: the system further comprises an overflow channel connected between the liquid split distribution module and the liquid confluence recycling module, the overflow channel confluences the excess liquid distributed by the liquid split distribution module to the liquid confluence recycling module, an overflow port is formed at the connection between the overflow channel and the liquid split distribution module, the excess liquid enters the overflow channel through the overflow port, and is transported to the liquid confluence recycling module by the corresponding overflow channel, so as to adjust the flow size into the sample real-time monitoring module.

[0021] As a further aspect of the present application: the liquid confluence recycling module comprises a signal transceiver and a liquid pump, the signal transceiver receives the quality control instruction from the PLC transport and distribution control module, and the liquid pump is used as a quality pump to transport the excess liquid to the corresponding sub-reaction unit, and by actively pumping out the liquid by using the quality pump, the passive reception of the confluence liquid by the sub-reaction unit can be ensured.

[0022] In another aspect, a rapid sample liquid split distribution method is also provided, which is applied to the distribution system and comprises the following steps:

[0023] S1: dynamically adjusting the suction flow Q and flow rate V of the liquid in different reaction units according to the transport distance L and pipe cross-sectional area S,

[0024] Transport and distribution time t = transport and distribution distance L ÷ flow rate V;

[0025] Flow rate V = flow Q ÷ pipe cross-sectional area S;

[0026] S2: calculating the flow rate V according to the transport and distribution time t and transport distance L:

[0027] t (min) = L (m) ÷ V (m / min) ≤ 1 min → V (m / min);

[0028] S3: Flow rate Q is calculated based on the conveying velocity V and the cross-sectional area S of the pipeline.

[0029] V(m / min)=Q(ml / min)÷S(mm 2 → Q (ml / min), determining the flow rate Q (ml / min) and flow velocity V (m / min) for dynamic continuous acquisition and distribution in different reaction units; where,

[0030] The transmission and distribution distance can be measured on-site, the flow rate can be directly adjusted and controlled on-site, and the flow velocity is a calculated result.

[0031] S4: Based on the spectral signals of the liquids in different reaction units under static conditions, obtain the light absorption intensity and noise fluctuation corresponding to the liquid concentrations in different reaction units under static conditions;

[0032] During monitoring, the principle of similarity ≥99% under dynamic and static noise conditions was adopted. The spectral signals of species with different concentrations under static and dynamic conditions were monitored respectively. The spectral signal is the absorbance intensity Abs value signal of the monitored liquid sample under each wavelength range of 180nm-900nm. The original sample real-time monitoring device was used to monitor the spectral signal.

[0033] Based on the preset values ​​of flow rate and velocity of the PLC distribution control module, the PLC distribution control module automatically matches the optimal flow rate and velocity of the liquid. The liquid flow rate is attracted by the negative pressure of the peristaltic pump, and the liquid flow rate can be adjusted by adjusting the speed of the peristaltic pump.

[0034] The formula for calculating flow rate is: Flow rate = Flow volume ÷ Pipe diameter. Under the premise that the pipe diameter is fixed, the flow rate is determined by the flow volume. The flow rate has a significant impact on the disturbance of the sample in the flow cell of the original sample real-time monitoring module. When the flow rate is too low, the sample is prone to dead zones in the flow field, affecting the detection sensitivity. When the flow rate is too high, the sample noise has a significant impact on the signal. Therefore, it is necessary to detect the spectral signal of samples with different concentrations under static conditions, compare the spectral signal under different inlet flow rates, and compare it with the corresponding static conditions. Select the inlet flow rate corresponding to the spectrum with the highest overlap and the lowest noise to determine the corresponding optimal flow rate.

[0035] S5: Dynamically monitor the spectral signal of the target liquid under different flow rates and inlet conditions, and obtain the light absorption intensity and noise fluctuation of the target liquid at different concentrations under dynamic conditions.

[0036] As a further aspect of the present invention: in step S2, the total time from sample sampling to the return flow and distribution is t≤1min.

[0037] As a further aspect of the present invention: under static conditions, the liquid concentrations in different reaction units are C1, C2, ..., C...n ;

[0038] The absorbance intensities corresponding to the liquid concentrations in the different reaction units are Ia1, Ia2, ..., Ia n ;

[0039] The noise fluctuations corresponding to the liquid concentrations in the different reaction units are ΔIa1, ΔIa2, ..., ΔIa n .

[0040] As a further aspect of the present invention: under dynamic conditions, the liquid concentrations in different reaction units are C1', C2', ..., C... n ';

[0041] The absorbance intensities of the liquids in different reaction units are Ia1', Ia2', ..., Ia n ';

[0042] The noise fluctuations corresponding to the liquids in different reaction units are ΔIa1', ΔIa2', ..., ΔIa n '.

[0043] Compared with the prior art, the beneficial effects of the present invention are:

[0044] This invention uses a real-time monitoring module to detect the spectral signals of samples of different concentrations under static conditions. It can compare the spectral signals under static conditions with different inlet flow rates and quickly select the inlet flow rate corresponding to the spectrum with the highest overlap and lowest noise. This allows the PLC distribution control module 1 to determine the optimal flow rate and velocity of the liquid in the corresponding module, enabling real-time dynamic adjustment of the flow rate and velocity of liquid samples in the distribution system. This meets the needs of long-distance liquid supply, ensures the timeliness of liquid delivery, avoids adverse effects of material properties changes on the test results, and helps improve the accuracy of liquid material test results. Attached Figure Description

[0045] Figure 1 is a diagram of the diversion and distribution system of the present invention.

[0046] In the diagram: 1. PLC conveying and distribution control module; 2. Sample continuous acquisition module; 3. Liquid diversion and distribution module; 4. Original sample real-time monitoring module; 5. Liquid manifold reuse module; 6. Reaction unit group; 61. First reaction unit; 62. Second reaction unit; 63. Third reaction unit; 7. Overflow channel. Detailed Implementation

[0047] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0048] Figure 1 shows the diversion and distribution system of the present invention, which includes a PLC distribution control module 1, a continuous sample acquisition module 2, a liquid diversion and distribution module 3, a real-time original sample monitoring module 4, a liquid collection and reuse module 5, a reaction unit group 6, and an overflow channel 7; the PLC distribution control module 1, the continuous sample acquisition module 2, the liquid diversion and distribution module 3, the real-time original sample monitoring module 4, and the liquid collection and reuse module 5 each include at least one signal transceiver;

[0049] The system also includes an overflow channel 7, which is connected between the liquid distribution module 3 and the liquid collection and reuse module 5. The overflow channel 7 collects the excess liquid allocated by the liquid distribution module 3 to the original sample real-time monitoring module 4 and transfers it to the liquid collection and reuse module 5. An overflow port is formed at the connection between the overflow channel 7 and the liquid distribution module 3. Excess liquid enters the overflow channel 7 through the overflow port and is then transported to the liquid collection and reuse module 5 by the corresponding overflow channel 7 to adjust the flow rate entering the original sample real-time monitoring module 4. The original sample liquid can be one or a combination of domestic water, sewage, industrial water, or reaction liquids in industry.

[0050] Example 1:

[0051] The PLC distribution control module 1 implements closed-loop control of liquid diversion and distribution, and dynamically adjusts the liquid distribution time, flow rate and velocity. The output terminal of the PLC distribution control module 1 is electrically connected to the continuous sample acquisition module 2, the liquid diversion and distribution module 3, the original sample real-time monitoring module 4, and the liquid collection and reuse module 5, respectively. The control signal sent by the PLC distribution control module 1 to the continuous sample acquisition module 2 is the first instruction, the control signal sent by the PLC distribution control module 1 to the liquid diversion and distribution module 3 is the second instruction, the control signal sent by the PLC distribution control module 1 to the original sample real-time monitoring module 4 is the third instruction, and the control signal sent by the PLC distribution control module 1 to the liquid collection and reuse module 5 is the fourth instruction.

[0052] The upstream pipeline of the continuous sample acquisition module 2 is connected to the reaction unit group 6, and the downstream pipeline of the reaction unit group 6 is connected to the liquid manifold recycling module 5. The continuous sample acquisition module 2 dynamically adjusts the total amount of sample acquisition by receiving the distribution control command of the PLC distribution control module 1 in order to meet the overall time length and total amount of liquid used in the system distribution.

[0053] The upstream of the liquid diversion and distribution module 3 is connected to the sample continuous acquisition module 2 via a pipeline, and the downstream of the liquid diversion and distribution module 3 is connected to the original sample real-time monitoring module 4 via a pipeline. The liquid diversion and distribution module 3 dynamically adjusts the liquid inlet flow rate of the original sample real-time monitoring module 4 by receiving the distribution control command from the PLC distribution control module 1.

[0054] The original sample real-time monitoring module 4 detects and analyzes the spectral signal-to-noise ratio of the liquid sample in the reaction unit group 6, and sends the signal-to-noise ratio detection result to the PLC distribution control module 1 in the form of positive or negative feedback, so as to dynamically adjust the liquid inlet flow rate and flow rate adapted to the original sample real-time monitoring module 4.

[0055] The liquid manifold recycling module 5 monitors the reflux liquid and distributes it to the appropriate reaction unit within the reaction unit group 6, so as to separate and recycle the reflux liquid.

[0056] Preferably, the reaction unit group 6 includes several parallel-connected sub-reaction units. The delivery pipes connected to adjacent sub-reaction units are independent and parallel to each other. The several sub-reaction units are respectively connected between the sample continuous acquisition module 2 and the liquid manifold reuse module 5. The concentration, temperature, salinity and viscosity of the liquid samples loaded in different sub-reaction units are not exactly the same.

[0057] Preferably, the continuous sample acquisition module 2 continuously acquires liquid samples loaded in several parallel connected sub-reaction units and transports the acquired liquid samples to the liquid distribution module 3. The continuous sample acquisition module 2 adjusts the liquid acquisition flow rate and velocity according to the control instructions sent by the PLC distribution control module 1.

[0058] Preferably, the liquid manifold reuse module 5 includes a signal transceiver and a liquid pump. The signal transceiver receives the separation control command from the PLC distribution control module 1. The liquid pump acts as a separation pump to deliver excess liquid to the appropriate sub-reaction unit. By actively pumping out liquid using the separation pump, it can be ensured that the sub-reaction unit passively receives the manifold liquid.

[0059] Example 2:

[0060] The difference from the above embodiments is as follows:

[0061] The concentration, temperature, salinity, and viscosity of the liquid samples loaded in different sub-reaction units are completely different.

[0062] The reaction unit group 6 includes a first reaction unit 61, a second reaction unit 62 and a third reaction unit 63. The first reaction unit 61, the second reaction unit 62 and the third reaction unit 63 are all liquid reaction containers. The first reaction unit 61, the second reaction unit 62 and the third reaction unit 63 are respectively connected between the sample continuous acquisition module 2 and the liquid manifold recycling module 5 through independent pipes.

[0063] Preferably, the continuous sample acquisition module 2 continuously acquires the liquid samples loaded in the first reaction unit 61, the second reaction unit 62 and the third reaction unit 63, and transports the acquired liquid samples to the liquid distribution module 3. The continuous sample acquisition module 2 adjusts the liquid acquisition flow rate and velocity according to the control instructions sent by the PLC distribution control module 1.

[0064] When distributing liquid samples:

[0065] First, based on the delivery distance L and the pipeline cross-sectional area S, the suction flow rate Q and velocity V of the liquid in different reaction units are dynamically adjusted.

[0066] Distribution time t = Distribution distance L ÷ Flow velocity V;

[0067] Flow velocity V = Flow rate Q ÷ Pipe cross-sectional area S;

[0068] Secondly, the flow velocity V is calculated based on the transportation time t and the transportation distance L:

[0069] t(min)=L(m)÷V(m / min)≤1min→V(m / min);

[0070] The flow rate Q is calculated based on the conveying velocity V and the cross-sectional area S of the pipeline.

[0071] V(m / min)=Q(ml / min)÷S(mm 2 → Q (ml / min), determining the flow rate Q (ml / min) and flow velocity V (m / min) for dynamic continuous acquisition and distribution in different reaction units; where,

[0072] The transmission and distribution distance can be measured on-site, the flow rate can be directly adjusted and controlled on-site, and the flow velocity is a calculated result.

[0073] Furthermore, based on the spectral signals of the liquids in different reaction units under static conditions, the absorbance intensity and noise fluctuations corresponding to the liquid concentrations in different reaction units under static conditions are obtained.

[0074] Finally, the spectral signal of the target liquid was dynamically monitored under different flow rates and inlet conditions to obtain the light absorption intensity and noise fluctuations of the target liquid at different concentrations under dynamic conditions.

[0075] Preferably, in step S2, the total time from sample collection to the return flow for distribution is t ≤ 1 min.

[0076] Preferably, under static conditions, the liquid concentrations in different reaction units are C1, C2, ..., C. n ;

[0077] The absorbance intensities corresponding to different liquid concentrations in the reaction units are Ia1, Ia2, ..., Ia n ;

[0078] The noise fluctuations corresponding to different liquid concentrations within different reaction units are ΔIa1, ΔIa2, ..., ΔIa n .

[0079] Preferably, under dynamic conditions, the liquid concentrations in different reaction units are C1', C2', ..., C n ';

[0080] The absorbance intensities of the liquids in different reaction units are Ia1', Ia2', ..., Ia n ';

[0081] The noise fluctuations corresponding to the liquids in different reaction units are ΔIa1', ΔIa2', ..., ΔIa n '.

[0082] During monitoring, the principle of similarity ≥99% under dynamic and static noise conditions was adopted. The spectral signals of species with different concentrations under static and dynamic conditions were monitored respectively. The spectral signal is the absorbance intensity Abs value signal of the monitored liquid sample under each wavelength range of 180nm-900nm. The original sample real-time monitoring device was used to monitor the spectral signal.

[0083] According to the standard preset values ​​of flow rate and velocity of PLC distribution control module 1, PLC distribution control module 1 automatically matches the optimal flow rate and velocity of liquid inlet. The liquid flow rate is attracted by the negative pressure of the peristaltic pump, and the liquid flow rate can be adjusted by adjusting the speed of the peristaltic pump.

[0084] The formula for calculating flow rate is: Flow rate = Flow volume ÷ Pipe diameter. Under the premise that the pipe diameter is fixed, the flow rate is determined by the flow volume. The flow rate has a significant impact on the disturbance of the sample in the flow cell of the original sample real-time monitoring module 4. When the flow rate is too low, the sample is prone to dead zones in the flow field, affecting the detection sensitivity. When the flow rate is too high, the sample noise has a significant impact on the signal. Therefore, it is necessary to detect the spectral signal of samples with different concentrations under static conditions, compare the spectral signal under different inlet flow rates, and compare it with the corresponding static conditions. Select the inlet flow rate corresponding to the spectrum with the highest overlap and the lowest noise to determine the corresponding optimal flow rate.

[0085] This application uses the original sample real-time monitoring module 4 to detect the spectral signals of samples of different concentrations under static conditions. It can compare the spectral signals under static conditions under different liquid inlet flow rates and quickly select the liquid inlet flow rate corresponding to the spectrum with the highest overlap and lowest noise. This allows the PLC distribution control module 1 to determine the optimal flow rate and velocity of the liquid in the corresponding module, realizing real-time dynamic adjustment of the flow rate and velocity of liquid samples in the distribution system. This meets the needs of long-distance liquid supply, ensures the timeliness of liquid delivery, avoids adverse effects of material properties changes on the test results, and helps improve the accuracy of liquid material test results.

[0086] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0087] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fast- as-is liquid split flow dispensing system characterized by, The system comprises: a PLC delivery control module, which implements closed-loop control on liquid distribution and dynamically adjusts liquid delivery time, flow rate and flow velocity; a sample continuous collection module, which is connected to a reaction unit group through an upstream pipeline, and dynamically adjusts the total amount of collected sample by receiving delivery control instructions from the PLC delivery control module; a liquid distribution module, which is connected to the sample continuous collection module through an upstream pipeline, and is connected to a raw sample real-time monitoring module through a downstream pipeline; the liquid distribution module dynamically adjusts the liquid flow rate of the raw sample real-time monitoring module by receiving distribution control instructions from the PLC delivery control module; the raw sample real-time monitoring module detects the spectral signal-to-noise ratio of the liquid sample in the reaction unit group and feeds back the signal-to-noise ratio detection result to the PLC delivery control module; a liquid convergence and reuse module, which monitors the return flow and delivers the return flow to the appropriate reaction unit in the reaction unit group.

2. A rapid prototyping liquid dispensing system as claimed in claim 1, wherein: The reaction unit group comprises a plurality of parallelly connected sub-reaction units, and the pipelines connected to adjacent sub-reaction units are independent and parallel to each other.

3. A rapid prototyping liquid dispensing system as claimed in claim 1, wherein: The reaction unit group comprises a first reaction unit, a second reaction unit and a third reaction unit, and each of the first reaction unit, the second reaction unit and the third reaction unit is a liquid reaction container.

4. A rapid prototyping liquid dispensing system as claimed in claim 3, wherein: The sample continuous collection module continuously collects the liquid samples loaded in the first reaction unit, the second reaction unit and the third reaction unit and delivers the collected liquid samples to the liquid distribution module.

5. A rapid prototyping liquid dispensing system as claimed in claim 1, wherein: The system further comprises: an overflow channel, which is connected between the liquid distribution module and the liquid convergence and reuse module, converges the excess liquid distributed by the liquid distribution module to the raw sample real-time monitoring module to the liquid convergence and reuse module, and forms an overflow port at the connection between the overflow channel and the liquid distribution module.

6. A rapid prototyping liquid dispensing system as claimed in claim 2, wherein: The liquid convergence and reuse module comprises a signal transceiver and a liquid pump, the signal transceiver receives distribution control instructions from the PLC delivery control module, and the liquid pump, as a distribution pump, delivers the excess liquid to the appropriate sub-reaction unit.

7. A rapid raw sample liquid distribution method applied to the distribution system, comprising the following steps: S1: dynamically adjusting the suction flow rate Q and flow velocity V of the liquid in different reaction units according to the delivery distance L and the pipeline cross-sectional area S; S2: calculating the flow velocity V according to the delivery time t and the delivery distance L: t(min)=L(m)÷V(m / min)≤1min→V(m / min); S3: calculating the flow rate Q according to the delivery flow velocity V and the pipeline cross-sectional area S: V(m / min) = Q(ml / min) ÷ S(mm 2 ) → Q(ml / min), determine the flow rate Q(ml / min) and flow velocity V(m / min) of dynamic continuous collection and delivery of different reaction units; S4: monitoring the spectral signal of the liquid in different reaction units under static conditions to obtain the absorbance intensity and noise fluctuation corresponding to the liquid concentration in different reaction units under static conditions; S5: dynamically monitoring the spectral signal of the target liquid under different flow rate and flow velocity conditions to obtain the absorbance intensity and noise fluctuation corresponding to the target liquid of different concentrations under dynamic conditions.

8. A rapid prototyping liquid dispensing method as claimed in claim 7, further comprising: In said step S2, the sample is sampled to the confluence return dispensing total time t≤1 min.

9. A fast prototyping liquid dispensing method as claimed in claim 8, further comprising: Under static conditions, the liquid concentration in different reaction units is C1, C2, … Cn n ; The light absorption intensity corresponding to the liquid concentration in the different reaction units is Ia1, Ia2, … Ia n ; The noise fluctuation corresponding to the liquid concentration in the different reaction units is ΔIa1, ΔIa2, … ΔIa n .

10. A rapid prototyping liquid split flow dispensing method according to claim 9, further comprising: Under dynamic conditions, the liquid concentration in different reaction units is C1', C2',... Cn' n ' The light absorption intensity corresponding to the liquid in different reaction units is Ia1', Ia2',..., Ia n '; The noise fluctuations corresponding to the liquids in different reaction units are ΔIa1', ΔIa2', ..., ΔIa n '.

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