CN214987559U

CN214987559U - SCR reductant storage device

Info

Publication number: CN214987559U
Application number: CN202120725334.0U
Authority: CN
Inventors: 畅喜颜; 孙志国; 赵文圣; 杨斌; 李丰; 杨云辉; 徐进
Original assignee: Henan Diesel Engine Industry Co Ltd
Current assignee: Henan Diesel Engine Industry Co Ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-03
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses an SCR reducing agent storage device, which comprises a tank body, wherein the tank body is internally divided into a reducing agent storage bin and a cleaning solution storage bin, a partition plate is arranged between the reducing agent storage bin and the cleaning solution storage bin, the upper and lower ends of the outer side surfaces of the reducing agent storage bin and the cleaning solution storage bin are respectively provided with a liquid filling interface and a liquid outlet, a liquid collecting hopper is arranged right below the tank body, the lower end of the reducing agent storage bin is provided with a second liquid outlet, the lower end of the cleaning solution storage bin is provided with a third liquid outlet, the second leakage fluid dram and the third leakage fluid dram are all located the collecting hopper, and the lower extreme of collecting hopper is provided with liquid collector, is provided with liquid leakage sensor in the liquid collector, and this SCR reductant storage device can set up reductant storage storehouse and washing liquid storage storehouse together, makes things convenient for laying of pipeline, saves the cost, can detect simultaneously whether there is the leakage in two storage storehouses.

Description

SCR reductant storage device

Technical Field

The utility model relates to a denitration treatment technical field specifically is a SCR reductant storage device.

Background

The pollution of nitrogen oxides in the tail gas of marine engines to the atmospheric environment is more and more emphasized by various countries, along with the gradual implementation of the emission regulation of the international maritime organization engine, the emission limit of exhaust pollutants is more and more strictly controlled, the improvement of the engine technology cannot meet the requirements of the emission regulation, and a Selective Catalytic Reduction system (hereinafter, referred to as SCR, which is an english abbreviation of Selective Catalytic Reduction) is taken as a technical route for reducing the NOx and becomes a well-known way for effectively reducing the NOx emission.

The reducing agent used by the SCR system is urea solution, the urea solution is easy to crystallize and block an injection pipeline, practice proves that the problem of blocking of an injection pipeline can be fundamentally solved by a cleaning mode combining cleaning solution and compressed air purging, but a cleaning solution storage container and a reducing agent storage container arranged in the conventional SCR system are mutually independent, so that the problems of non-centralized pipeline laying and high cost are caused, and meanwhile, liquid leakage in the cleaning solution storage container or the reducing agent storage container cannot be found in time.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a SCR reductant storage device, can set up reductant storage storehouse and washing liquid storage storehouse together, make things convenient for laying of pipeline, save the cost, can detect simultaneously whether there is the leakage in two storage storehouses, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a SCR reductant storage device, includes a jar body, internal portion of jar is divided into reductant storage storehouse and washing liquid storage storehouse, is provided with the baffle between reductant storage storehouse and the washing liquid storage storehouse, the upper and lower extreme of the lateral surface of reductant storage storehouse and washing liquid storage storehouse is provided with liquid filling interface and liquid outlet respectively, is provided with the collecting hopper under the jar body, and the lower extreme of reductant storage storehouse is provided with the second leakage fluid dram, and the lower extreme of washing liquid storage storehouse is provided with the third leakage fluid dram, second leakage fluid dram and third leakage fluid dram all are located the collecting hopper, and the lower extreme of collecting hopper is provided with liquid collector, is provided with liquid leakage sensor in the liquid collector, and liquid leakage sensor's output is connected with the input electricity of external control ware, and liquid collector's lower extreme is provided with first liquid drain.

As an optimal technical scheme of the utility model, the shape of collecting hopper is the toper, and the lateral surface of the jar body is provided with the support, and the lower extreme of support passes the collecting hopper.

As an optimal technical scheme of the utility model, the quantity of support is four, and four even distributions of support symmetry are at the lateral surface of the jar body.

As an optimized technical scheme of the utility model, the lower extreme of support is provided with the installation piece.

As a preferred technical scheme of the utility model, one side of first fluid-discharge outlet, second fluid-discharge outlet and third fluid-discharge outlet all is provided with solenoid valve, and solenoid valve's input is connected with external control ware's output electricity.

As an optimized technical scheme of the utility model, the upper end in reductant storage storehouse and washing liquid storage storehouse all is provided with the permeability cell.

As an optimized technical scheme of the utility model, the upper end of permeability cell is the downwarping arc structure.

As a preferred technical scheme of the utility model, all be provided with liquid level detection device in reductant storage storehouse and the washing liquid storage storehouse, liquid level detection device's output is connected with external control ware's input electricity.

As an optimized technical scheme of the utility model, liquid level detection device is the magnetostrictive level gauge.

As a preferred technical scheme of the utility model, the lateral surface in reductant storage storehouse and washing liquid storage storehouse all is provided with temperature-detecting device, and temperature-detecting device's output is connected with external control ware's input electricity.

Compared with the prior art, the beneficial effects of the utility model are that: this SCR reductant storage device compact structure, reasonable in design, high durability and convenient operation, it is internal to merge reductant storage storehouse and washing liquid storage storehouse in a jar, liquid filling interface and liquid outlet are located one side of reductant storage storehouse and washing liquid storage storehouse respectively, make things convenient for laying of liquid inlet pipe way and drain pipe, greatly reduced installation cost, reduce area, can all flow into the collecting hopper with the liquid that reductant storage storehouse and washing liquid storage storehouse spilt through set up the collecting hopper in the below of jar body in, whether leak liquid in storage storehouse is detected through installing liquid leakage sensor at the collecting hopper lower extreme, the convenience of use has been improved greatly, economic cost is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of the internal structure of the present invention.

In the figure: the device comprises a reducing agent storage bin 1, a cleaning liquid storage bin 2, a liquid collecting hopper 3, a liquid filling interface 4, a liquid outlet 5, a support 6, a first liquid discharging port 7, a liquid collector 8, a second liquid discharging port 9, a partition plate 10, a vent pipe 11, a liquid level detecting device 12, a temperature detecting device 13, a liquid leakage sensor 14, a third liquid discharging port 15 and a mounting block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments (for convenience of description and understanding, the following description is made with the upper side of fig. 2 as the upper side). Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-3, the present invention provides a technical solution: an SCR reducing agent storage device comprises a tank body, the interior of the tank body is divided into a reducing agent storage bin 1 and a cleaning solution storage bin 2, the upper ends of the reducing agent storage bin 1 and the cleaning solution storage bin 2 are respectively provided with a vent pipe 11, the upper ends of the vent pipes 11 are of a downward-bent arc structure, the device is prevented from spilling liquid when swinging on a ship by arranging the vent pipes 11 of a downward-bent arc type, a partition plate 10 is arranged between the reducing agent storage bin 1 and the cleaning solution storage bin 2, the upper end and the lower end of the outer side surfaces of the reducing agent storage bin 1 and the cleaning solution storage bin 2 are respectively provided with a liquid filling interface 4 and a liquid outlet 5, a liquid collecting hopper 3 is arranged right below the tank body, the shape of the liquid collecting hopper 3 is conical, the outer side surface of the tank body is provided with a support 6, the lower end of the support 6 penetrates through the liquid collecting hopper 3, the number of the supports 6 is four, the four supports 6 are symmetrically and uniformly distributed on the outer side surface of the tank body, the liquid collecting hopper 3 is fixed below the tank body by arranging the supports 6, the lower end of the bracket 6 is provided with an installation block 16, the installation block 16 is convenient to arrange to fix the device on a ship body, the lower end of the reducing agent storage bin 1 is provided with a second liquid outlet 9, the lower end of the cleaning solution storage bin 2 is provided with a third liquid outlet 15, the second liquid outlet 9 and the third liquid outlet 15 are both positioned in the liquid collecting hopper 3, the lower end of the liquid collecting hopper 3 is provided with a liquid collector 8, a liquid leakage sensor 14 is arranged in the liquid collector 8, the output end of the liquid leakage sensor 14 is electrically connected with the input end of an external controller, the lower end of the liquid collector 8 is provided with a first liquid outlet 7, one side of each of the first liquid outlet 7, the second liquid outlet 9 and the third liquid outlet 15 is provided with an electromagnetic valve, the input end of the electromagnetic valve is electrically connected with the output end of the external controller, the SCR reducing agent storage device can arrange the reducing agent storage bin and the cleaning solution storage bin together, the laying of convenient pipeline saves the cost, can detect simultaneously whether two storage storehouses have the leakage, has improved the convenience of use greatly.

When in use: add catalytic reduction agent and washing liquid in reductant storage storehouse 1 and washing liquid storage storehouse 2 respectively through two liquid filling interfaces 4, liquid outlet 5 through two storage storehouses correspond is connected with the connecting pipe, and then carry the injection pipeline who corresponds, can discharge reductant storage storehouse 1 and the sedimentary dirt in washing liquid storage storehouse 2 bottoms through second leakage fluid dram 9 and third leakage fluid dram 15, can detect and feed back the external control ware to the weeping condition in storage storehouse through liquid leakage sensor 14, remind the staff to have the weeping condition to take place.

Example 2: the difference with embodiment 1 lies in, all be provided with liquid level detection device 12 in reductant storage storehouse 1 and the washing liquid storage storehouse 2, the output of liquid level detection device 12 is connected with the input electricity of external controller, preferably, liquid level detection device 12 is the magnetostrictive level gauge, the lateral surface of reductant storage storehouse 1 and washing liquid storage storehouse 2 all is provided with temperature-detecting device 13, temperature-detecting device 13's output is connected with the input electricity of external controller, detect through the liquid level to reductant storage storehouse 1 and washing liquid storage storehouse 2, the staff of being convenient for adds liquid according to the liquid level condition, through the detection to the temperature of catalytic reduction agent and washing liquid, control the temperature of catalytic reduction agent and washing liquid, the reduction effect is improved, make the cleaning performance better simultaneously.

The utility model can be operated conveniently, occupies little space when in use, and is convenient for operation and use; the laying of pipelines is convenient, the cost is saved, and the use convenience is improved; whether the storage bin leaks or not is detected by installing the liquid leakage sensor 14 at the lower end of the liquid collecting hopper 3, and the use convenience is further improved.

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

Claims

1. The utility model provides a SCR reductant storage device, includes the jar body, its characterized in that: the interior of the tank body is divided into a reducing agent storage bin (1) and a cleaning liquid storage bin (2), a partition plate (10) is arranged between the reducing agent storage bin (1) and the cleaning liquid storage bin (2), the upper end and the lower end of the outer side surfaces of the reducing agent storage bin (1) and the cleaning liquid storage bin (2) are respectively provided with a liquid filling interface (4) and a liquid outlet (5), a liquid collecting hopper (3) is arranged right below the tank body, the lower end of the reducing agent storage bin (1) is provided with a second liquid outlet (9), the lower end of the cleaning liquid storage bin (2) is provided with a third liquid outlet (15), the second liquid outlet (9) and the third liquid outlet (15) are both positioned in the liquid collecting hopper (3), the lower end of the liquid collecting hopper (3) is provided with a liquid collector (8), a liquid leakage sensor (14) is arranged in the liquid collector (8), and the output end of the liquid leakage sensor (14) is electrically connected with the input end of an external controller, the lower end of the liquid collector (8) is provided with a first liquid discharge port (7).

2. The SCR reductant storage device of claim 1, wherein: the liquid collecting bucket (3) is conical, a support (6) is arranged on the outer side face of the tank body, and the lower end of the support (6) penetrates through the liquid collecting bucket (3).

3. The SCR reductant storage device of claim 2, wherein: the number of the supports (6) is four, and the four supports (6) are symmetrically and uniformly distributed on the outer side surface of the tank body.

4. The SCR reductant storage device of claim 2, wherein: the lower end of the bracket (6) is provided with a mounting block (16).

5. The SCR reductant storage device of claim 1, wherein: and electromagnetic valves are arranged on one sides of the first liquid discharge port (7), the second liquid discharge port (9) and the third liquid discharge port (15), and the input ends of the electromagnetic valves are electrically connected with the output end of an external controller.

6. The SCR reductant storage device of claim 1, wherein: the upper ends of the reducing agent storage bin (1) and the cleaning liquid storage bin (2) are respectively provided with a vent pipe (11).

7. The SCR reductant storage device of claim 1, wherein: the upper end of the vent pipe (11) is of a downward arc structure.

8. The SCR reductant storage device of claim 1, wherein: liquid level detection devices (12) are arranged in the reducing agent storage bin (1) and the cleaning liquid storage bin (2), and the output end of each liquid level detection device (12) is electrically connected with the input end of an external controller.

9. The SCR reductant storage device of claim 1, wherein: the liquid level detection device (12) is a magnetostrictive liquid level meter.

10. The SCR reductant storage device of claim 1, wherein: the reducing agent storage bin (1) and the cleaning liquid storage bin (2) are respectively provided with a temperature detection device (13) on the outer side surface, and the output end of the temperature detection device (13) is electrically connected with the input end of an external controller.