CN218106794U

CN218106794U - Efficient automobile-used urea standard solution production purification device

Info

Publication number: CN218106794U
Application number: CN202222211151.4U
Authority: CN
Inventors: 李华东; 刘村晖; 彭文勇
Original assignee: Anhui Xingu Auto Parts Co ltd
Current assignee: Anhui Xingu Auto Parts Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-12-23
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses an efficient automobile-used urea standard solution production and purification device, which comprises a tank body, wherein a heating device is arranged in the tank body; the liquid outlet pipe is arranged in the tank body and communicated with the tank body, the heat exchange assembly is communicated with a feeding pipe, the feeding pipe is also communicated with a crystallization pipe, and the crystallization pipe is arranged in the liquid outlet pipe. The utility model discloses in, be located the crystallization pipe in the drain pipe through the setting, the user is when the semi-manufactured goods solution after will reacting and accomplish outwards carrying, and synchronous utilization crystallization pipe and conveying pipe carry the raw materials to heat exchange assembly, utilize microthermal raw materials to make the semi-manufactured goods crystallize at the outer wall of crystallization pipe, heat the raw materials simultaneously, and the make full use of waste heat need not to set up cooling water or other media simultaneously, improves the utilization ratio of heat energy, reduces the production energy consumption.

Description

Efficient automobile-used urea standard solution production purification device

Technical Field

The utility model relates to a urea processing equipment technical field especially relates to an automobile-used urea standard solution of efficient production purification device.

Background

At present, with the development of science and technology, the use amount of automobiles is more and more popularized, and automobile urea is a necessary product for heavy-duty diesel vehicles to reach the national emission standard of four; the vehicle urea is urea aqueous solution with the concentration of 32.5 percent and the solvent of ultrapure water, and the raw materials are urea crystal and ultrapure water; diesel vehicles such as heavy trucks, buses and the like need to reach the national emission standard of six, and a proper SCR system needs to be selected for tail gas treatment, and the system needs to treat nitrogen oxides in tail gas by using urea solution.

In the prior art, the production of the automobile urea firstly needs to heat the urea solution to 70-80 ℃, then reduces the temperature to 20-40 ℃ for crystallization, and then mixes the urea solution with high-purity water, and the method needs to consume more electric energy for temperature control, so that the production energy consumption is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing an efficient device for producing and purifying the standard urea solution for the vehicle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an efficient production and purification device for a standard urea solution for a vehicle comprises a tank body, wherein a heating device is arranged in the tank body; the heat exchange assembly that is located jar internal setting, with the drain pipe of jar body intercommunication, heat exchange assembly intercommunication has the conveying pipe, the conveying pipe still communicates there is the crystallization pipe, and the crystallization pipe is located the drain pipe and sets up.

Preferably, the crystallization tube comprises a tube body, a plurality of crystallization grooves are formed in the side wall of the tube body, a support frame is fixedly connected to the inner wall of one end, close to the feeding tube, of the tube body, an ejector rod is connected to the support frame in a sliding mode, a compression spring is fixedly sleeved on the side wall of the ejector rod and fixedly connected with the support frame, a sealing plate is fixedly connected to the side wall of the ejector rod, and a grid plate matched with the sealing plate is fixedly connected to the inside of the tube body.

Preferably, a one-way valve is arranged in the feeding pipe, and a valve core of the one-way valve is abutted to the ejector rod.

Preferably, a guide rail is fixedly connected in the liquid outlet pipe, a heat insulation plate is fixedly connected to the lower surface of the pipe body, and the heat insulation plate is connected with the guide rail in a sliding manner.

Preferably, the heat exchange assembly comprises a shell, the shell is communicated with the feeding pipe, a discharging pipe is arranged at the lower end of the shell, and a metering valve is arranged on the discharging pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, be located the crystallization pipe in the drain pipe through the setting, the user is when the semi-manufactured goods solution after will reacting and accomplish outwards carrying, and synchronous utilization crystallization pipe and conveying pipe carry the raw materials to heat exchange assembly, utilize microthermal raw materials to make the semi-manufactured goods crystallize at the outer wall of crystallization pipe, heat the raw materials simultaneously, and the make full use of waste heat need not to set up cooling water or other medium simultaneously, improves the utilization ratio of heat energy, reduces the production energy consumption.

2. The utility model discloses, be used for enlarging the area of contact of body and semi-manufactured goods solution through setting up the crystallizer, guarantee that the urea composition in the semi-manufactured goods solution can be better the crystallization on the body, and set up ejector pin cooperation compression spring, then be used for sealing the body, thereby when the user takes off the body and collects the crystallization on the body, avoid the raw materials in the body to spill.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-efficiency purification device for the production of standard urea solution for vehicles according to the present invention;

fig. 2 is a schematic sectional structural view of an efficient purification device for producing standard urea solution for vehicles according to the present invention;

FIG. 3 is a schematic cross-sectional structure diagram of a high-efficiency purification device for standard urea solution production for vehicles provided by the present invention;

fig. 4 is the utility model provides an efficient automobile-used urea standard solution production purification device's crystallizer side cut structure schematic diagram.

In the figure: 1. a tank body; 2. a liquid outlet pipe; 3. a feeding pipe; 4. crystallizing; 41. a tube body; 42. A crystallization tank; 43. a support frame; 44. a top rod; 45. a sealing plate; 46. a grid plate; 5. a one-way valve; 6. a guide rail; 7. a heat insulation plate; 8. a housing; 9. a discharge pipe; 10. a metering valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

Referring to fig. 1-4, a high-efficiency production and purification device for a standard urea solution for a vehicle comprises a tank body 1, wherein a heating device is arranged in the tank body 1; heating device is prior art, and jar body 1 then includes the setting among the prior art such as stirring, material loading pipe, is located the heat exchange assemblies who sets up in jar body 1, with the drain pipe 2 of jar body 1 intercommunication, heat exchange assemblies intercommunication has conveying pipe 3, conveying pipe 3 still communicates crystallization pipe 4, and crystallization pipe 4 is located the setting of drain pipe 2.

In this embodiment, set up the raw materials that heat exchange assemblies mainly used buffer memory carried to jar body 1, avoid the raw materials directly to sneak into in the semi-manufactured goods solution of outside transport, utilize the waste heat in jar body 1 to heat the raw materials simultaneously, can even be according to heating device's specific type, both can heat the raw materials when outwards carrying semi-manufactured goods solution, and then improve production efficiency, and set up crystallizing tube 4 in drain pipe 2, then it makes the urea in the semi-manufactured goods solution crystallize at crystallizing tube 4's outer wall to utilize the low temperature raw materials of circulation in crystallizing tube 4, can make full use of semi-manufactured goods solution's waste heat, reduce heat and scatter and disappear, finally realize reducing the mesh of production energy consumption, but certain requirement has to the temperature of raw materials, under summer or the higher condition of room temperature, need control the raw materials temperature, the raw materials temperature

Wherein, the crystallization tube 4 comprises a tube body 41, the side wall of the tube body 41 is provided with a plurality of crystallization grooves 42, wherein the crystallization grooves 42 are used for enlarging the surface area of the tube body 41 and improving the heat exchange efficiency, and along with the outward circulation of the semi-finished raw materials, the temperature of the raw materials which are less far away from the tank body 1 is lower, the crystallization effect can be effectively ensured, the inner wall of one end of the tube body 41 close to the feeding tube 3 is fixedly connected with a support frame 43, the support frame 43 is connected with an ejector rod 44 in a sliding way, the side wall of the ejector rod 44 is fixedly sleeved with a compression spring which is fixedly connected with the support frame 43, the side wall on the ejector rod 44 is also fixedly connected with a sealing plate 45, the tube body 41 is internally and fixedly connected with a grid plate 46 matched with the sealing plate 45, in the design, because urea can crystallize on the outer wall of the crystallization tube 4, the crystallization tube 4 needs to be taken down after the discharge is completed, the reaction production is carried out in the tank body 1 at the moment, and in order to avoid the outflow of raw materials in the feeding tube 3 and the crystallization tube 4 when the crystallization tube 4 is taken down, an ejector rod 44 is arranged to cooperate with a compression spring, so that when the ejector rod 44 is not abutted against a one-way valve 5 in the feeding tube 3, a sealing plate 45 cooperates with a grid plate 46 to seal the crystallization tube 4, it needs to be connected with the feeding tube 3 through a joint at one end of the crystallization tube 4 far away from the feeding tube 3, and a valve is correspondingly arranged, so that the connection tightness between the tube 41 and the feeding tube 3 is not mentioned in the text.

Further, a check valve 5 is arranged in the feeding pipe 3, and a valve core of the check valve 5 is abutted against the ejector rod 44.

Further, fixedly connected with guide rail 6 in drain pipe 2, the lower fixed surface of body 41 is connected with heat insulating board 7, and heat insulating board 7 and guide rail 6 sliding connection, heat insulating board 7 are used for cooperating guide rail 6, and convenience of customers gets rid of crystallization pipe 4, can not produce the urea crystallization simultaneously on heat insulating board 7 for when taking out crystallization pipe 4, detain the urea crystallization in guide rail 6.

Furthermore, the heat exchange assembly comprises a shell 8, the shell 8 is communicated with the feeding pipe 3, a discharging pipe 9 is arranged at the lower end of the shell 8, a metering valve 10 is arranged on the discharging pipe 9, the heat exchange assembly is only used for caching raw materials conveyed into the tank body 1, and the metering valve 10 is arranged to control the amount of the raw materials put into the tank body 1 for processing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an efficient automobile-used urea standard solution production purification device which characterized in that includes:

the heating device comprises a tank body (1), wherein a heating device is arranged in the tank body (1);

the heat exchange assembly is arranged in the tank body (1) and is communicated with the liquid outlet pipe (2) of the tank body (1), the heat exchange assembly is communicated with the feeding pipe (3), the feeding pipe (3) is also communicated with the crystallizing pipe (4), and the crystallizing pipe (4) is arranged in the liquid outlet pipe (2).

2. The efficient vehicular urea standard solution production and purification device as claimed in claim 1, wherein the crystallization tube (4) comprises a tube body (41), the sidewall of the tube body (41) is provided with a plurality of crystallization grooves (42), the inner wall of one end of the tube body (41) close to the feeding tube (3) is fixedly connected with a support frame (43), the support frame (43) is slidably connected with a push rod (44), the sidewall of the push rod (44) is fixedly sleeved with a compression spring, the compression spring is fixedly connected with the support frame (43), the sidewall of the push rod (44) is also fixedly connected with a sealing plate (45), and the tube body (41) is internally and fixedly connected with a grid plate (46) matched with the sealing plate (45).

3. The efficient automobile-used urea standard solution production and purification device according to claim 2, characterized in that a check valve (5) is arranged in the feeding pipe (3), and a valve core of the check valve (5) is abutted against the ejector rod (44).

4. The high-efficiency production and purification device for the standard urea solution for the vehicle as claimed in claim 2, wherein a guide rail (6) is fixedly connected inside the liquid outlet pipe (2), a heat insulation plate (7) is fixedly connected to the lower surface of the pipe body (41), and the heat insulation plate (7) is slidably connected with the guide rail (6).

5. The high-efficiency automotive urea standard solution production and purification device as claimed in claim 2, wherein the heat exchange assembly comprises a shell (8), the shell (8) is communicated with the feeding pipe (3), a discharging pipe (9) is arranged at the lower end of the shell (8), and a metering valve (10) is arranged on the discharging pipe (9).