Adblue preparation system capable of improving production stability

Abstract

The utility model provides an adblue preparation system capable of improving production stability, which comprises a mixer, a preparation tank and a storage tank which are sequentially connected through a pipeline, the mixer is connected with a high-concentration urea solution pipeline and a pure water pipeline; the preparation tank is connected with a circulating pipeline, and the circulating pipeline comprises a communicating valve D and a circulating pump which are connected with a lower pipeline of the preparation tank, and is connected with a distributor arranged in the preparation tank through a communicating valve A pipeline; a densimeter A and a densimeter B are respectively arranged on rear-section pipelines of the mixer and the circulating pump; a flow meter A, a regulating valve A, a flow meter B and a regulating valve B are respectively arranged in the high-concentration urea solution pipeline and the pure water pipeline, and the pure water pipeline is also provided with a pressure pump; the preparation tank is in pipeline connection with the lower part of the storage tank through a communicating valve B; the utility model realizes stable production and quality guarantee.

Description

Technical Field

[0001] The utility model relates to the field of automotive urea preparation technology, and in particular to an automotive urea preparation system capable of improving production stability. Background Art

[0002] The current market outlook for automotive urea is very optimistic. As a chemical that reduces diesel engine exhaust emissions, automotive urea is an emerging market. As global attention to environmental issues increases, the demand for automotive urea increases. The increasing demand for automotive urea from new energy vehicles also drives the development of the automotive urea market. Existing preparation devices have poor stability, long preparation time, and difficult to control product quality, making it impossible to meet customer requirements with guaranteed quality. Utility Model Content

[0003] The utility model provides a vehicle urea preparation system with improved production stability, which can meet the requirements of production stability and quality assurance.

[0004] The specific plan is as follows:

[0005] A vehicle urea preparation system for improving production stability comprises a mixer, a preparation tank and a storage tank, which are connected in sequence by pipelines; the mixer is connected to a high-concentration urea solution pipeline and a pure water pipeline; the preparation tank is connected to a circulation pipeline, the circulation pipeline comprises a connecting valve D connected to the pipeline at the lower part of the preparation tank and a circulation pump, and then connected to a distributor arranged inside the preparation tank through a connecting valve A pipeline; a density meter A and a density meter B are respectively arranged on the rear sections of the mixer and the circulation pump; a flow meter A and a regulating valve A and a flow meter B and a regulating valve B are respectively arranged in the high-concentration urea solution pipeline and the pure water pipeline, and a booster pump is also arranged in the pure water pipeline; the preparation tank is connected to the lower part of the storage tank through a connecting valve B pipeline.

[0006] The rear section of the circulation pump is also connected to the storage tank through the pipeline of the connecting valve C, forming a double channel with the pipeline of the connecting valve B, so as to quickly transfer the automotive urea configured in the preparation tank to the storage tank.

[0007] The preparation tank and storage tank are both provided with liquid level gauges to monitor the liquid levels of the preparation tank and storage tank.

[0008] A thermometer is arranged on the pipeline at the rear section of the mixer to monitor the temperature of the mixed solution entering the preparation tank and ensure the fusion temperature.

[0009] A flow meter C is arranged on the rear pipeline of the circulation pump.

[0010] A sampling valve is also arranged at the rear section of the connecting valve D.

[0011] In the present utility model, a high-concentration urea solution passes through a flowmeter A and a regulating valve A in a pipeline, and is mixed with pure water in a pure water pipeline that passes through a pressure pump, a flowmeter B, and a regulating valve B in a certain proportion and enters a mixer. Then it enters a preparation tank through a pipeline, and after multiple circulations through a circulation pipeline, the urea solution in the preparation tank is quickly and fully mixed. When the density value measured by a densitometer on the circulation pipeline stably reaches the requirement, after sampling and passing the chemical analysis through a sampling valve, the connection valve A on the circulation pipeline is closed, and the connection valve B is opened, so that the vehicle urea prepared in the preparation tank naturally flows into the storage tank. At the same time, the connection valve C is opened, and through a circulation pump, the vehicle urea prepared in the preparation tank is pumped into the storage tank, and the vehicle urea prepared in the preparation tank is quickly transferred into the storage tank through a dual-channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 . Structural schematic diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0013] As Figure 1 shown, a vehicle urea preparation system for improving production stability includes a mixer 1, a preparation tank 2, and a storage tank 3, which are connected in sequence through pipelines; the mixer 1 is connected to a high-concentration urea solution pipeline 4 and a pure water pipeline 5; the preparation tank 2 is connected to a circulation pipeline 6. The circulation pipeline 6 includes a connection valve D7 and a circulation pump 8 that are connected to the lower pipeline of the preparation tank 2, and then is connected to a distributor 10 arranged inside the preparation tank 2 through a connection valve A9; densitometers A11 and B12 are respectively arranged on the subsequent pipelines of the mixer 1 and the circulation pump 8; flowmeters A13, regulating valve A14, flowmeter B15, and regulating valve B16 are respectively arranged in the high-concentration urea solution pipeline 4 and the pure water pipeline 5, and a pressure pump 17 is also arranged in the pure water pipeline 5; the lower parts of the preparation tank 2 and the storage tank 3 are connected through a connection valve B18.

[0014] The subsequent section of the circulation pump 8 is also connected to the storage tank 3 through a connection valve C19, forming a dual-channel with the pipeline of the connection valve B18 to quickly transfer the vehicle urea prepared in the preparation tank 2 into the storage tank 3.

[0015] Level gauges 20 are arranged on both the preparation tank 2 and the storage tank 3 to monitor the liquid levels of the preparation tank 2 and the storage tank 3.

[0016] A thermometer 21 is arranged on the subsequent pipeline of the mixer 1 to monitor the temperature of the mixed solution entering the preparation tank 2 and ensure the fusion temperature.

[0017] A flowmeter C22 is arranged on the subsequent pipeline of the circulation pump 8.

[0018] A sampling valve 23 is also arranged after the connection valve D7.

[0019] In the present utility model, the high-concentration urea solution passes through the flowmeter A13 and the regulating valve A14 of the pipeline, and is mixed with the pure water in the pure water pipeline 5 that has passed through the pressurizing pump 17, the flowmeter B15 and the regulating valve B16 according to a certain ratio and enters the mixer 1. Then it enters the preparation tank 2 through the pipeline. After multiple circulations through the circulation pipeline 6, the urea solution in the preparation tank 2 is fully fused. When the density value measured by the densitometer B12 on the circulation pipeline 6 stably reaches the requirement, after sampling and passing the Sinochem analysis through the sampling valve 23, the connection valve A9 of the circulation pipeline 6 is closed, and the connection valve B18 is opened, so that the vehicle urea prepared in the preparation tank 2 naturally flows into the storage tank 3. At the same time, the connection valve C19 is opened, and through the circulation pump 8, the vehicle urea prepared in the preparation tank 2 is pumped into the storage tank 3, and the vehicle urea prepared in the preparation tank 2 is quickly transferred into the storage tank 3 through the double channel.

[0020] The above are only some preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A vehicle urea preparation system for improving production stability, characterized in that: It includes a mixer, a preparation tank and a storage tank, which are connected in sequence by pipelines; the mixer is connected to a high-concentration urea solution pipeline and a pure water pipeline; the preparation tank is connected to a circulation pipeline, and the circulation pipeline includes a connecting valve D and a circulation pump connected to the lower pipeline of the preparation tank, and then connected to a distributor arranged inside the preparation tank through a connecting valve A pipeline; a density meter A and a density meter B are respectively arranged on the rear sections of the mixer and the circulation pump; a flow meter A and a regulating valve A and a flow meter B and a regulating valve B are respectively arranged in the high-concentration urea solution pipeline and the pure water pipeline, and a booster pump is also arranged in the pure water pipeline; the preparation tank is connected to the lower part of the storage tank through a connecting valve B pipeline.

2. The automotive urea preparation system for improving production stability according to claim 1, characterized in that: The rear section of the circulating pump is also connected to the storage tank through a connecting valve C pipeline.

3. The automotive urea preparation system for improving production stability according to claim 1, characterized in that: The preparation tank and storage tank are both equipped with liquid level gauges.

4. The automotive urea preparation system for improving production stability according to claim 1, characterized in that: A thermometer is arranged on the pipeline at the rear section of the mixer.

5. The automotive urea preparation system for improving production stability according to claim 1, characterized in that: A flow meter C is arranged on the rear pipeline of the circulation pump.

6. The automotive urea preparation system for improving production stability according to claim 1, characterized in that: A sampling valve is also arranged at the rear section of the connecting valve D.

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