Diesel engine tail gas treating fluid activating treatment device

Abstract

The invention discloses a diesel engine tail gas treatment liquid activating treatment device which comprises a liquid storage barrel, a heating pipe and a driven gear, a motor drives a driving gear and the driven gear to rotate, the heating pipe is driven to rotate in the liquid storage barrel, and urea crystals in treatment liquid are stirred and melted through a loop bar; crystals on the inner wall of the liquid storage barrel are scraped through a heating pipe, then hot water is circularly conveyed into the heating pipe and the outer barrel through a hot water input pipe and a hot water output pipe, and the tail gas treatment liquid in the liquid storage barrel is heated through heat of the hot water; the hot water in the outer barrel surrounds the periphery of the liquid storage barrel and can accurately heat and melt urea crystals on the periphery of the liquid storage barrel and deposited at the bottom of the liquid storage barrel, and the situation that the crystals located on the outer wall and the bottom of the tank are difficult to obtain enough heat to melt is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of exhaust gas treatment fluid, and more specifically to an activation treatment device for diesel engine exhaust gas treatment fluid. Background Art

[0002] Diesel exhaust treatment fluid is a solution composed of urea crystals and ultrapure water. It can react with harmful nitrogen oxides in diesel exhaust to convert them into harmless water vapor and nitrogen, thereby purifying the exhaust. The treatment fluid usually needs to activate and evenly stir the urea crystals in the storage tank to optimize its fluidity and atomization effect, ensuring that the urea solution can work accurately and efficiently, which is an important step in helping vehicles meet emission requirements.

[0003] When activating existing treatment fluids, various heating elements, such as electric heaters or heat exchangers, are usually used to ensure that the urea solution is maintained at a suitable working temperature, prevent crystallization, and optimize its fluidity and atomization effect.

[0004] In actual use of the prior art, since the bottom and outer wall of the storage tank are far away from the heat concentration area and the heat loss is fast due to its contact with the external environment, the crystals located on the outer wall and the bottom of the tank are difficult to obtain sufficient heat to melt, which affects the activation effect of the treatment liquid. In view of the above technical problems, it is necessary to provide a diesel exhaust treatment liquid activation treatment device. Summary of the invention

[0005] The object of the present invention is to provide a diesel engine exhaust treatment fluid activation treatment device to solve the above-mentioned problems.

[0006] In order to achieve the above purpose, the technical solution provided by an embodiment of the present invention is as follows: A diesel engine exhaust treatment liquid activation treatment device comprises a liquid storage barrel, a heating pipe and a driven gear, wherein the outer surface of the liquid storage barrel is fixedly connected to an outer barrel, the heating pipe is located in the inner cavity of the liquid storage barrel, the upper end of the heating pipe is connected to a seven-shaped rotary joint, the lower end of the heating pipe is connected to a straight-through rotary joint, the outer surface of the heating pipe is fixedly connected to a sleeve rod, the inner cavity of the sleeve rod is fixedly connected to an electromagnet, an activation ball is placed at the bottom of the inner cavity of the liquid storage barrel, the driven gear is located above the liquid storage barrel, and the outer surface of the driven gear is meshedly connected to a driving gear.

[0007] As a further improvement of the present invention, the upper surface of the liquid storage barrel is connected to a liquid inlet pipe, the lower surface of the outer barrel is fixedly connected to support legs, the lower surface of the support legs is fixedly connected to anti-skid pads, the liquid storage barrel is supported and placed by the support legs, and the anti-skid pads at the bottom of the support legs can increase the stability of the placement of the liquid storage barrel.

[0008] As a further improvement of the present invention, the lower surface of the outer barrel is connected to a hot water output pipe, and the outer surface of the liquid storage barrel is connected to a liquid outlet pipe. The outer surface of the liquid outlet pipe is fixedly connected to the inner cavity of the outer barrel, and is connected to external hot water through the hot water output pipe, and hot water is continuously input into the inside. The treated liquid in the liquid storage barrel can be discharged through the liquid outlet pipe.

[0009] As a further improvement of the present invention, the outer surface of the upper end of the heating tube is rotatably connected to the inner cavity of the liquid storage barrel, the outer surface of the straight-through rotary joint is fixedly connected to the inner cavity of the liquid storage barrel, and the lower end of the heating tube is connected to the outer barrel through a straight-through rotary oil connection to transport hot water, and remains airtight while rotating.

[0010] As a further improvement of the present invention, one end of the seven-shaped rotary joint is connected to a hot water input pipe, the heating pipe is spring-shaped, and the outer surface of the heating pipe abuts against the inner wall of the liquid storage barrel. The seven-shaped rotary joint can ensure that the hot water pipe remains airtight while rotating, and the outer wall of the heating pipe abuts against the inner wall of the liquid storage barrel to scrape it.

[0011] As a further improvement of the present invention, the bottom of the liquid storage barrel is corrugated, and the heating tube is connected to the outer barrel through a straight-through rotary joint, so that the contact area between crystallization and heat is increased through the corrugated bottom of the liquid storage barrel.

[0012] As a further improvement of the present invention, the inner cavity of the driven gear is fixedly connected to the outer surface of the heating tube, and the upper surface of the liquid storage barrel is fixedly connected to a mounting frame, which drives the heating tube to rotate by rotating the gear.

[0013] As a further improvement of the present invention, a motor is fixedly connected to the lower surface of the mounting frame, and the output shaft end of the motor is fixedly connected to the driving gear, and the driving gear is driven to rotate by the motor.

[0014] As a further improvement of the present invention, one end of the mounting frame is fixedly connected to the figure-seven swivel joint, the mounting frame is in a figure-seven shape, and the motor and the figure-seven swivel joint are fixedly mounted by the mounting frame.

[0015] As a further improvement of the present invention, a valve is provided in the inner cavity of the liquid outlet pipe, and the activation ball includes a hollow spherical skeleton, which is filled with heat storage material, and a plurality of evenly distributed heat conduction holes are opened on the hollow spherical skeleton, and matching ferromagnetic blocks are embedded in the heat conduction holes, and the ferromagnetic blocks extend to the outside of the hollow spherical skeleton, and the outer surface of the hollow spherical skeleton is covered with a layer of heat-absorbing silicone layer, and the opening and closing of the liquid outlet pipe is controlled by a valve, and the outer surface of the activation ball is wrapped with a heat-absorbing silicone layer, which can protect the activation ball from collision and damage with other components while absorbing heat, and the activation ball is filled with heat storage material to store the absorbed heat.

[0016] Compared with the prior art, the advantages of the present invention are: In this solution, a motor drives a driving gear and a driven gear to rotate, and drives the heating tube to rotate in the liquid storage barrel. The sleeve rod is used to stir and melt the urea crystals in the treatment liquid, and the crystals on the inner wall of the liquid storage barrel are scraped off by the heating tube. Then, hot water is circulated to the heating tube and the outer barrel through the hot water input pipe and the hot water output pipe. The exhaust gas treatment liquid in the liquid storage barrel is heated by the heat of the hot water. The hot water in the outer barrel surrounds the liquid storage barrel and can accurately heat and melt the urea crystals on the periphery of the liquid storage barrel and deposited on the bottom of the liquid storage barrel, so as to prevent the crystals located on the outer wall and the bottom of the tank from having difficulty in obtaining sufficient heat to melt.

[0017] The bottom of the liquid storage barrel of this scheme is corrugated to increase the contact area between heat and crystals, which indirectly promotes heat exchange. The bottom of the liquid storage barrel is evenly paved with movable activation balls to squeeze the crystals to break them and accelerate melting. At the same time, the activation balls can quickly absorb heat and contact the crystals, thereby accelerating the melting of the crystals. The activation balls are protected from collision with other components by the heat-absorbing silica gel layer, and heat is absorbed and stored by the heat storage material. At this time, the electromagnet is controlled to be energized to adsorb the ferromagnetic block to drive the activation balls fixed on the outer surface of the sleeve rod to rotate and stir and release the heat adsorbed by the heat storage material, thereby accelerating the heating treatment of the crystals floating in the treatment liquid, making them completely melted, and improving the activation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 A half-section schematic diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the local structure of the present invention; Figure 4 It is a schematic diagram of the sleeve rod structure of the present invention; Figure 5 It is a schematic diagram of the structure of the activation ball of the present invention.

[0019] Description of the numbers in the figure: 1. Liquid storage barrel; 101. Outer barrel; 102. Liquid inlet pipe; 103. Support leg; 104. Hot water output pipe; 105. Liquid outlet pipe; 2. Heating pipe; 201. Straight-through rotary joint; 202. Seven-shaped rotary joint; 203. Hot water input pipe; 204. Sleeve rod; 205. Electromagnet; 206. Activated ball; 2061. Heat-absorbing silica gel layer; 2062. Heat storage material; 2063. Ferromagnetic block; 2064. Hollow spherical skeleton; 3. Driven gear; 301. Driving gear; 302. Mounting frame; 303. Motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0021] The first implementation method: See also Figure 1-2 A diesel engine exhaust treatment liquid activation treatment device comprises a liquid storage barrel 1, a heating pipe 2 and a driven gear 3, wherein the outer surface of the liquid storage barrel 1 is fixedly connected to an outer barrel 101; Specifically, the upper surface of the liquid storage barrel 1 is connected with a liquid inlet pipe 102, the lower surface of the outer barrel 101 is fixedly connected with a support leg 103, the lower surface of the support leg 103 is fixedly connected with an anti-slip pad, the lower surface of the outer barrel 101 is connected with a hot water output pipe 104, the outer surface of the liquid storage barrel 1 is connected with a liquid outlet pipe 105, the outer surface of the liquid outlet pipe 105 is fixedly connected with the inner cavity of the outer barrel 101, and the inner cavity of the liquid outlet pipe 105 is provided with a valve; Furthermore, an appropriate amount of exhaust gas treatment liquid raw materials is added into the liquid storage barrel 1 through the liquid inlet pipe 102, and the liquid storage barrel 1 is supported and placed by the support legs 103. The anti-slip pads at the bottom of the support legs 103 can increase the stability of the placement of the liquid storage barrel. The hot water output pipe 104 is connected to the external hot water, and hot water is continuously input into it. The treated liquid in the liquid storage barrel 1 can be discharged through the liquid outlet pipe 105.

[0022] The second implementation method: See also Figure 1-5 The heating tube 2 is located in the inner cavity of the liquid storage barrel 1. The upper end of the heating tube 2 is connected with a seven-shaped rotating joint 202, and the lower end of the heating tube 2 is connected with a straight-through rotating joint 201. The outer surface of the heating tube 2 is fixedly connected with a sleeve rod 204, and the inner cavity of the sleeve rod 204 is fixedly connected with an electromagnet 205. The electromagnet 205 can be powered by its own power supply. The specific starting method can be controlled by a wireless signal or started by a timer. The specific selection is made by those skilled in the art according to the actual situation. An activation ball 206 is placed at the bottom of the inner cavity of the liquid storage barrel 1; Specifically, the outer surface of the upper end of the heating tube 2 is rotatably connected to the inner cavity of the liquid storage barrel 1, the outer surface of the straight-through rotary joint 201 is fixedly connected to the inner cavity of the liquid storage barrel 1, one end of the seven-shaped rotary joint 202 is connected to the hot water input pipe 203, the heating tube 2 is spring-shaped, the outer surface of the heating tube 2 abuts against the inner wall of the liquid storage barrel 1, the bottom of the liquid storage barrel 1 is corrugated, the heating tube 2 is connected to the outer barrel 101 through the straight-through rotary joint 201, the activation ball 206 includes a hollow spherical skeleton 2064, the hollow spherical skeleton 2064 is filled with heat storage material 2062, the hollow spherical skeleton 2064 is provided with a plurality of evenly distributed heat conduction holes, the heat conduction holes are inlaid with matching ferromagnetic blocks 2063, and the ferromagnetic blocks 2063 extend to the outside of the hollow spherical skeleton 2064, and the outer surface of the hollow spherical skeleton 2064 is covered with a layer of heat-absorbing silica gel layer 2061; The heat-absorbing silicone layer 2061 has excellent thermal conductivity and is lightweight and flexible, and has a good protective effect. After being adsorbed by the electromagnet 205, it can cushion the impact of the activation ball 206 and is not likely to cause damage to the inside of the equipment. The ferromagnetic block 2063 is non-magnetic under normal conditions, which prevents the activation balls 206 from being adsorbed to each other and affecting their distribution. At the same time, it can absorb heat and directly transfer it to the heat storage material 2062 to store the heat to a certain extent. The hollow spherical skeleton 2064 can be made of aluminum alloy or carbon fiber, both of which have extremely excellent thermal conductivity and are light in texture. The heat storage material 2062 can store a certain amount of heat. When the electromagnet 205 adsorbs the activation ball 206, the heat absorbed by the heat storage material 2062 can be released to ensure the temperature at the center of the treatment liquid to improve the activation effect.

[0023] Furthermore, the outer surface of the heating tube 2 is coated with a wear-resistant coating to reduce the wear when scraping the barrel wall. Through the cooperation of the seven-shaped rotary joint 202 and the straight rotary joint 201, the heating tube 2 can rotate in the liquid storage barrel 1 and drive the sleeve rod 204 fixedly connected thereto to stir and melt the urea crystals in the treatment liquid. The heating tube 2 rotates back to scrape the crystals on the inner wall of the liquid storage barrel 1. The hot water input pipe 203 and the hot water output pipe 104 can realize the circulation of hot water in the heating tube 2 and the outer barrel 101. The activation ball 206 can squeeze the crystals to break them and accelerate the dissolution. The heat-absorbing silica gel layer 2061 is used for protection to avoid collision with other parts and damage. At the same time, the activation ball 206 can quickly absorb heat through the heat-absorbing silica gel layer 2061 and contact the crystals, thereby accelerating the dissolution of the crystals. The heat storage material 2062 filled in the inner cavity of the activation ball 206 absorbs and stores heat. When the operator controls the electromagnet 205 to energize and adsorb the ferromagnetic block 2063, the activation ball 206 is fixed on the outer surface of the sleeve rod 204. At this time, when the sleeve rod 204 rotates, it will drive the activation ball 206 with a certain amount of heat to stir inside the liquid storage barrel 1 and release the heat adsorbed by the heat storage material 2062.

[0024] The third implementation method: See also Figure 1-2 The driven gear 3 is located above the liquid storage barrel 1, and the outer surface of the driven gear 3 is meshedly connected with the driving gear 301; Specifically, the inner cavity of the driven gear 3 is fixedly connected to the outer surface of the heating tube 2, the upper surface of the liquid storage barrel 1 is fixedly connected to the mounting frame 302, the lower surface of the mounting frame 302 is fixedly connected to the motor 303, the output shaft end of the motor 303 is fixedly connected to the driving gear 301, one end of the mounting frame 302 is fixedly connected to the seven-shaped rotary joint 202, and the mounting frame 302 is seven-shaped; Furthermore, the motor 303 drives the driving gear 301 and the driven gear 303 to rotate, and the mounting frame 302 fixes the motor 303 and the seven-shaped rotary joint 202 .

[0025] Working principle: during the use of the device, the operator will put an appropriate amount of tail gas treatment liquid raw materials into the liquid storage barrel 1 through the liquid inlet pipe 102, and then start the motor 303 to drive the driving gear 301 and the driven gear 3 to rotate. When the driven gear 3 rotates, it will drive the heating tube 2 to rotate in the liquid storage barrel 1 under the cooperation of the seven-shaped rotary joint 202 and the straight-through rotary joint 201. The urea crystals in the treatment liquid are stirred and melted through the sleeve rod 204, and the crystals on the inner wall of the liquid storage barrel 1 are scraped off by the heating tube 2, and then hot water is circulated to the heating tube 2 and the outer barrel 101 through the hot water input pipe 203 and the hot water output pipe 104. The tail gas treatment liquid in the liquid storage barrel 1 is heated by the heat of the hot water. The hot water in the outer barrel 101 surrounds the liquid storage barrel 1 and can accurately heat and dissolve the urea crystals on the periphery of the liquid storage barrel 1 and deposited on the bottom of the liquid storage barrel 1. At the same time, the bottom of the liquid storage barrel 1 is corrugated. The contact area with the crystal is increased, which indirectly promotes heat exchange. The activation balls 206 are evenly spread on the bottom of the liquid storage barrel 1 to squeeze the crystals to break them and thus accelerate melting. The outer surface of the activation balls 206 is protected by the heat-absorbing silicone layer 2061 to avoid collision with other components and damage. At the same time, the activation balls 206 can quickly absorb heat through the heat-absorbing silicone layer 2061 and contact the crystals, thereby accelerating the dissolution of the crystals. The heat storage material 2062 filled in the inner cavity of the activation ball 206 will absorb and store heat. When the operator controls the electromagnet 205 to energize and adsorb the ferromagnetic block 2063 to drive the activation ball 206 to be fixed on the outer surface of the sleeve rod 204, the sleeve rod 204 will rotate to drive the activation ball 206 with a certain amount of heat to stir inside the liquid storage barrel 1 and release the heat adsorbed by the heat storage material 2062, thereby accelerating the heating treatment of the crystals floating in the treatment liquid, making them completely dissolved, and improving the activation effect.

[0026] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that those skilled in the art can understand.

Claims

1. A diesel engine exhaust treatment fluid activation treatment device, characterized in that: include: A liquid storage barrel (1), wherein an outer barrel (101) is fixedly connected to the outer surface of the liquid storage barrel (1); A heating tube (2), the heating tube (2) being located in the inner cavity of the liquid storage barrel (1), the upper end of the heating tube (2) being connected to a seven-shaped rotating joint (202), the lower end of the heating tube (2) being connected to a straight-through rotating joint (201), the outer surface of the heating tube (2) being fixedly connected to a sleeve rod (204), the inner cavity of the sleeve rod (204) being fixedly connected to an electromagnet (205), and an activation ball (206) being placed at the bottom of the inner cavity of the liquid storage barrel (1), the activation ball (206) being arranged to rotate the heating tube (204) and the electromagnet (205) being arranged to rotate the heating tube (204) and the lower end of the heating tube (2) being connected to a straight-through rotating joint (201), the outer surface of the heating tube (2) being fixedly connected to a sleeve rod (204), the inner cavity of the sleeve rod (204) being fixedly connected to an electromagnet (205), and the bottom of the inner cavity of the liquid storage barrel (1) being connected to an activation ball (206). 6) comprising a hollow spherical skeleton (2064), wherein the hollow spherical skeleton (2064) is filled with a heat storage material (2062), wherein the hollow spherical skeleton (2064) is provided with a plurality of evenly distributed heat conduction holes, wherein matching ferromagnetic blocks (2063) are embedded in the heat conduction holes, and wherein the ferromagnetic blocks (2063) extend to the outside of the hollow spherical skeleton (2064), and wherein the outer surface of the hollow spherical skeleton (2064) is covered with a heat absorbing silica gel layer (2061); A driven gear (3), the driven gear (3) being located above the liquid storage barrel (1), and the outer surface of the driven gear (3) being meshingly connected with the driving gear (301).

2. The diesel engine exhaust fluid activation treatment device according to claim 1, characterized in that: The upper surface of the liquid storage barrel (1) is connected to a liquid inlet pipe (102), the lower surface of the outer barrel (101) is fixedly connected to support legs (103), and the lower surface of the support legs (103) is fixedly connected to anti-slip pads.

3. The diesel engine exhaust fluid activation treatment device according to claim 1, characterized in that: The lower surface of the outer barrel (101) is connected to a hot water output pipe (104), the outer surface of the liquid storage barrel (1) is connected to a liquid outlet pipe (105), and the outer surface of the liquid outlet pipe (105) is fixedly connected to the inner cavity of the outer barrel (101).

4. The diesel engine exhaust fluid activation treatment device according to claim 1, characterized in that: The outer surface of the upper end of the heating tube (2) is rotatably connected to the inner cavity of the liquid storage barrel (1), and the outer surface of the straight-through rotary joint (201) is fixedly connected to the inner cavity of the liquid storage barrel (1).

5. The diesel engine exhaust fluid activation treatment device according to claim 1, characterized in that: One end of the seven-shaped rotary joint (202) is connected to a hot water input pipe (203); the heating pipe (2) is spring-shaped; the outer surface of the heating pipe (2) abuts against the inner wall of the liquid storage barrel (1).

6. The diesel engine exhaust fluid activation treatment device according to claim 1, characterized in that: The bottom of the liquid storage barrel (1) is corrugated, and the heating tube (2) is connected to the outer barrel (101) via a straight-through rotary joint (201).

7. The diesel engine exhaust fluid activation treatment device according to claim 1, characterized in that: The inner cavity of the driven gear (3) is fixedly connected to the outer surface of the heating tube (2), and the upper surface of the liquid storage barrel (1) is fixedly connected to a mounting frame (302).

8. The diesel engine exhaust fluid activation treatment device according to claim 7, characterized in that: A motor (303) is fixedly connected to the lower surface of the mounting frame (302), and an output shaft end of the motor (303) is fixedly connected to the driving gear (301).

9. The diesel engine exhaust fluid activation treatment device according to claim 7, characterized in that: One end of the mounting frame (302) is fixedly connected to the figure-seven swivel joint (202), and the mounting frame (302) is in the figure-seven shape.

10. The diesel engine exhaust fluid activation treatment device according to claim 3, characterized in that: The inner cavity of the liquid outlet pipe (105) is provided with a valve.

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