CN216273096U - Warehouse-out and loading system for hydrogen peroxide - Google Patents
Warehouse-out and loading system for hydrogen peroxide Download PDFInfo
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- CN216273096U CN216273096U CN202122955938.7U CN202122955938U CN216273096U CN 216273096 U CN216273096 U CN 216273096U CN 202122955938 U CN202122955938 U CN 202122955938U CN 216273096 U CN216273096 U CN 216273096U
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Abstract
A delivery and loading system for hydrogen peroxide comprises a first storage tank (1), a second storage tank (2) and a pure water storage tank (3), a first delivery pump (4) communicated with the first storage tank (1), a first flow regulating valve (5) and a first liquid on-line specific gravity sensor (6) which are arranged on an outlet pipeline of the first delivery pump (4), a second delivery pump (7) communicated with the second storage tank (2), a second flow regulating valve (8) and a second liquid on-line specific gravity sensor (9) which are arranged on an outlet pipeline of the second delivery pump (7), a pure water delivery pump (10) communicated with the pure water storage tank (3), a pure water flow regulating valve (11) arranged on an outlet pipeline of the pure water delivery pump (10), a loading delivery pipeline, a third liquid on-line specific gravity sensor (12) and a loading control valve (13) which are arranged on the loading delivery pipeline, a PLC controller.
Description
Technical Field
The utility model relates to the technical field of hydrogen peroxide production, in particular to a delivery and loading system for hydrogen peroxide.
Background
The hydrogen peroxide solution is also changed into hydrogen peroxide, is an important raw material for producing peroxides such as peroxyacetic acid, thiourea peroxide and the like, and is widely applied to industries such as medicine, textile printing and dyeing, papermaking bleaching and the like. At present, most hydrogen peroxide production devices adopt a dilute system, the concentration of the produced hydrogen peroxide is about 27.5wt% -30 wt%, and most manufacturers adopt a concentration process to concentrate the hydrogen peroxide to reach 50 wt% or more from the aspect of reducing transportation cost and the like. Commercial merchants also have different needs for hydrogen peroxide concentrations. However, in the production process, from the aspect of stable production and storage facilities, the requirements of different customers on different concentrations are difficult to adapt, so most manufacturers are provided with hydrogen peroxide thickening tanks, hydrogen peroxide or part of pure water with different concentrations is pumped into the hydrogen peroxide thickening tanks for blending by calculation before loading according to the requirements of users, and the hydrogen peroxide or part of pure water is mixed and loaded.
At present, the ex-warehouse loading system for hydrogen peroxide needs to consume extra energy, a corresponding concentration adjusting facility is configured, time is needed during adjustment, and the logistics speed is reduced; in the concentration adjusting process, residual liquid is often left in the hydrogen peroxide concentration adjusting tank, the mixed liquid is difficult to be uniformly mixed in the past, and the concentration after adjustment often has a certain error with the concentration required by a user due to the change of the temperature and the concentration of the hydrogen peroxide, so that the concentration is measured after multiple sampling and mixing in multiple times during metering, and the actual concentration can be relatively met.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a delivery and loading system for hydrogen peroxide, which can effectively reduce energy consumption, improve production efficiency and is convenient to operate.
In order to solve the technical problem, the utility model provides a delivery and loading system for hydrogen peroxide, which comprises a first storage tank, a second storage tank and a pure water storage tank, a first delivery pump communicated with the first storage tank through a pipeline, a first flow regulating valve and a first liquid on-line specific gravity sensor which are arranged on an outlet pipeline of the first delivery pump, a second delivery pump communicated with the second storage tank through a pipeline, a second flow regulating valve and a second liquid on-line specific gravity sensor which are arranged on an outlet pipeline of the second delivery pump, a pure water delivery pump communicated with the pure water storage tank through a pipeline, a pure water flow regulating valve arranged on the outlet pipeline of the pure water delivery pump, the loading conveying pipeline is connected with the outlet pipeline of the first conveying pump, the outlet pipeline of the second conveying pump and the outlet pipeline of the pure water conveying pump, and the third liquid on-line specific gravity sensor and the loading control valve are arranged on the loading conveying pipeline; the device is characterized by further comprising a PLC, wherein the PLC is electrically connected with a first liquid on-line specific gravity sensor, a second liquid on-line specific gravity sensor, a third liquid on-line specific gravity sensor, a first delivery pump, a second delivery pump, a pure water delivery pump, a first flow regulating valve, a second flow regulating valve, a pure water flow regulating valve and a loading control valve.
As a further improved technical scheme, the warehouse-out and loading system for hydrogen peroxide further comprises a return pipe communicated with a loading conveying pipeline between the third liquid on-line specific gravity sensor and a loading control valve, and a return control valve arranged on the return pipe; the return pipe is communicated with the top of the first storage tank or the second storage tank; the PLC is electrically connected with the reflux control valve.
As a further improvement, the first, second, and third liquid on-line specific gravity sensors each include a capacitive differential pressure sensor and a pair of pressure repeaters connected thereto and inserted into the production process, and a temperature sensor is disposed between the two pressure repeaters to compensate for temperature changes of the process liquid.
As a further improved technical scheme, the warehouse-out and loading system for hydrogen peroxide further comprises a temperature sensor arranged on an outlet pipeline of the pure water conveying pump, and the PLC is electrically connected with the temperature sensor.
The aforementioned improvements can be implemented individually or in combination without conflict.
According to the technical scheme provided by the utility model, the PLC controls the start and stop of the first delivery pump, the second delivery pump and the pure water delivery pump in real time in the production process, so that the idling of the delivery pumps can be reduced, and the energy consumption is reduced. Through installing the online proportion sensor of liquid on the pipeline, utilize the PLC controller, prepare the hydrogen peroxide aqueous solution that meets the requirements to carry out real-time supervision through the online proportion sensor of third liquid, the feedback can ensure the uniformity of loading hydrogen peroxide aqueous solution concentration, and the transaction is more equitable, need not to set up hydrogen peroxide thickening groove simultaneously, need not to carry out extra washing to the production facility, has simplified the maintenance, has solved the not enough of prior art.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
fig. 1 is a schematic structural principle diagram of an ex-warehouse loading system for hydrogen peroxide according to an embodiment.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The delivery and loading system for hydrogen peroxide shown in fig. 1 comprises a first storage tank 1, a second storage tank 2 and a pure water storage tank 3, a first delivery pump 4 communicated with the first storage tank 1 through a pipeline, a first flow regulating valve 5 and a first liquid on-line specific gravity sensor 6 arranged on an outlet pipeline of the first delivery pump 4, a second delivery pump 7 communicated with the second storage tank 2 through a pipeline, a second flow regulating valve 8 and a second liquid on-line specific gravity sensor 9 which are arranged on the pipeline at the outlet of the second delivery pump 7, a pure water supply pump 10 communicated with the pure water storage tank 3 through a pipeline, a pure water flow regulating valve 11 arranged on an outlet pipeline of the pure water supply pump 10, the loading conveying pipeline is connected with the outlet pipeline of the first conveying pump 4, the outlet pipeline of the second conveying pump 7 and the outlet pipeline of the pure water conveying pump 10, and the third liquid on-line specific gravity sensor 12 and the loading control valve 13 are arranged on the loading conveying pipeline; the device further comprises a PLC (programmable logic controller) (not shown in the figure), wherein the PLC is electrically connected with the first liquid on-line specific gravity sensor 6, the second liquid on-line specific gravity sensor 9, the third liquid on-line specific gravity sensor 12, the first delivery pump 4, the second delivery pump 7, the pure water delivery pump 10, the first flow regulating valve 5, the second flow regulating valve 8, the pure water flow regulating valve 11 and the loading control valve 13.
The working principle is as follows: the concentration of the aqueous hydrogen peroxide solution corresponds to the specific gravity. The PLC is a programmable logic controller, the hardware structure of which is the same as that of a microcomputer and is divided into a power supply, a central processing unit CPU, a memory, an input/output interface circuit, a functional module, a communication module and the like, the working process of the PLC is divided into three stages of input sampling, user program execution and output refreshing, namely a scanning period, and during the operation period, the PLC repeatedly executes the three stages at a certain scanning speed. The first storage tank 1 and the second storage tank 2 are respectively used for storing hydrogen peroxide aqueous solution with high and low concentrations, the first liquid on-line specific gravity sensor 6 detects the specific gravity of the hydrogen peroxide aqueous solution output by the first storage tank 1, the second liquid on-line specific gravity sensor 9 detects the specific gravity of the hydrogen peroxide aqueous solution output by the second storage tank 2, the third liquid on-line specific gravity sensor 12 detects the specific gravity of the hydrogen peroxide aqueous solution loaded on a vehicle, after the concentration requirement of the hydrogen peroxide aqueous solution loaded on the vehicle is input to the PLC controller, the PLC controller controls to start the first delivery pump 4 and the second delivery pump 7, controls to open the first flow regulating valve 5 and the second flow regulating valve 8, determines and controls the flow of the first flow regulating valve 5 and the second flow regulating valve 8 after the sampling specific gravity data of the first liquid on-line specific gravity sensor 6 and the second liquid on-line specific gravity sensor 9 are obtained, the hydrogen peroxide aqueous solution meeting the loading specific gravity (concentration) requirement is prepared, and the operation of the loading control valve 13 is controlled. The PLC controls the output flow of the first flow regulating valve 5 and the output flow of the second flow regulating valve 8 by controlling the start and stop of the first delivery pump 4 and the second delivery pump 7, so that the hydrogen peroxide aqueous solution with the concentration between that of the hydrogen peroxide aqueous solution in the first storage tank 1 and that of the hydrogen peroxide aqueous solution in the second storage tank 2 can be prepared. When a lower concentration aqueous hydrogen peroxide solution than that in the first storage tank 1 and the second storage tank 2 is to be prepared, the PLC controller pure water feed pump 10 is started to prepare a lower concentration aqueous hydrogen peroxide solution by adding pure water. The specific gravity of the aqueous hydrogen peroxide solution detected by the third liquid on-line specific gravity sensor 12 is input into the PLC controller, and the PLC controller compares the specific gravity with the input required concentration (specific gravity) value, outputs and refreshes the specific gravity at appropriate time, and adjusts the opening of the first flow regulating valve 5, the second flow regulating valve 8 or the pure water flow regulating valve 11 so that the concentration of the prepared aqueous hydrogen peroxide solution meets the given requirement.
In the production process, the PLC controls the start and stop of the first delivery pump 4, the second delivery pump 7 and the pure water delivery pump 10 in real time, so that the idling of the delivery pumps can be reduced, and the energy consumption is reduced. Through installing the online proportion sensor of liquid on the pipeline, utilize the PLC controller, prepare the hydrogen peroxide aqueous solution that meets the requirements to carry out real-time supervision through the online proportion sensor 12 of third liquid, the feedback can ensure the uniformity of loading hydrogen peroxide aqueous solution concentration, and the transaction is more equitable, need not to set up the hydrogen peroxide thickening groove simultaneously, need not to carry out extra washing to the production facility, has simplified the maintenance, has solved the not enough of prior art.
The delivery and loading system for hydrogen peroxide, provided by the utility model, further comprises a return pipe communicated with a loading conveying pipeline between the third liquid on-line specific gravity sensor 12 and the loading control valve 13, and a return control valve 14 arranged on the return pipe. The return pipe communicates with the top of the first reservoir tank 1 or the second reservoir tank 2. The PLC controller is electrically connected to the return flow control valve 14. The backflow pipe is arranged, when the system is just started, the hydrogen peroxide water solution which is remained in the pipeline last time and has just been prepared, the concentration of which does not reach the requirement, flows back to the hydrogen peroxide storage tank with lower concentration, and therefore the consistency of the concentration of the hydrogen peroxide water solution for loading is guaranteed.
In one embodiment of the present invention, the first liquid on-line specific gravity sensor 6, the second liquid on-line specific gravity sensor 9, and the third liquid on-line specific gravity sensor 12 each include a capacitive differential pressure sensor and a pair of pressure repeaters connected thereto and inserted into the production process, and a temperature sensor is disposed between the two pressure repeaters to compensate for temperature changes of the process liquid. The temperature sensor is arranged, a detection value is output to the PLC, and the PLC adopts a hydrogen peroxide specific gravity (concentration) value after temperature change compensation, so that the concentration of the prepared hydrogen peroxide solution is prevented from generating deviation due to temperature change and is closer to a demand target.
The delivery and loading system for hydrogen peroxide further comprises a temperature sensor arranged on the outlet pipeline of the pure water delivery pump 10, and the PLC is electrically connected with the temperature sensor. And the temperature sensor is used for compensating the temperature change of the pure water. The PLC adopts the proportion of pure water after compensating temperature change, so that the concentration of the prepared hydrogen peroxide aqueous solution is prevented from generating deviation due to temperature change and is closer to a demand target.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention in any way, and various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The warehouse-out and truck-loading system for the hydrogen peroxide is characterized by comprising a first storage tank (1), a second storage tank (2) and a pure water storage tank (3), a first delivery pump (4) communicated with the first storage tank (1) through a pipeline, a first flow regulating valve (5) and a first liquid online specific gravity sensor (6) which are arranged on an outlet pipeline of the first delivery pump (4), a second delivery pump (7) communicated with the second storage tank (2) through a pipeline, a second flow regulating valve (8) and a second liquid online specific gravity sensor (9) which are arranged on an outlet pipeline of the second delivery pump (7), a pure water delivery pump (10) communicated with the pure water storage tank (3) through a pipeline, a pure water flow regulating valve (11) arranged on an outlet pipeline of the pure water delivery pump (10), a pure water outlet pipeline communicated with the first delivery pump (4), a pure water storage tank (3), a pure water flow regulating valve (11) arranged on an outlet pipeline of the pure water delivery pump (10), a pure water storage tank (3) and a pure water storage tank (3) connected with the first delivery pump (4) through a pipeline, A loading conveying pipeline connected with an outlet pipeline of the second conveying pump (7) and an outlet pipeline of the pure water conveying pump (10), a third liquid on-line specific gravity sensor (12) arranged on the loading conveying pipeline and a loading control valve (13); the device is characterized by further comprising a PLC, wherein the PLC is electrically connected with a first liquid online specific gravity sensor (6), a second liquid online specific gravity sensor (9), a third liquid online specific gravity sensor (12), a first delivery pump (4), a second delivery pump (7), a pure water delivery pump (10), a first flow regulating valve (5), a second flow regulating valve (8), a pure water flow regulating valve (11) and a loading control valve (13).
2. The ex-warehouse loading system for hydrogen peroxide as claimed in claim 1, further comprising a return pipe communicating with a loading delivery pipe between the third liquid in-line specific gravity sensor (12) and a loading control valve (13), a return flow control valve (14) provided on the return pipe; the return pipe is communicated with the top of the first storage tank (1) or the second storage tank (2); the PLC is electrically connected with a backflow control valve (14).
3. The ex-warehouse loading system for hydrogen peroxide according to claim 1, wherein the first liquid in-line specific gravity sensor (6), the second liquid in-line specific gravity sensor (9) and the third liquid in-line specific gravity sensor (12) each comprise a capacitive differential pressure sensor and a pair of pressure repeaters connected thereto and inserted into the production process, and a temperature sensor is disposed between the two pressure repeaters to compensate for temperature changes of the process liquid.
4. The ex-warehouse loading system for hydrogen peroxide according to claim 1 or 3, further comprising a temperature sensor disposed on an outlet pipe of the pure water delivery pump (10), wherein the PLC controller is electrically connected to the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122955938.7U CN216273096U (en) | 2021-11-29 | 2021-11-29 | Warehouse-out and loading system for hydrogen peroxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122955938.7U CN216273096U (en) | 2021-11-29 | 2021-11-29 | Warehouse-out and loading system for hydrogen peroxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216273096U true CN216273096U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122955938.7U Active CN216273096U (en) | 2021-11-29 | 2021-11-29 | Warehouse-out and loading system for hydrogen peroxide |
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| CN (1) | CN216273096U (en) |
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2021
- 2021-11-29 CN CN202122955938.7U patent/CN216273096U/en active Active
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