CN221015825U - Prevent urea solution preparation facilities of SCR system crystallization - Google Patents
Prevent urea solution preparation facilities of SCR system crystallization Download PDFInfo
- Publication number
- CN221015825U CN221015825U CN202322638035.5U CN202322638035U CN221015825U CN 221015825 U CN221015825 U CN 221015825U CN 202322638035 U CN202322638035 U CN 202322638035U CN 221015825 U CN221015825 U CN 221015825U
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- Prior art keywords
- fixedly connected
- pipe
- urea solution
- worm
- additive
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- 238000002360 preparation method Methods 0.000 title claims abstract description 54
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000004202 carbamide Substances 0.000 title claims abstract description 50
- 238000002425 crystallisation Methods 0.000 title claims abstract description 20
- 230000008025 crystallization Effects 0.000 title claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 45
- 230000000996 additive effect Effects 0.000 claims abstract description 45
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 12
- 241001330002 Bambuseae Species 0.000 claims abstract description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 12
- 239000011425 bamboo Substances 0.000 claims abstract description 12
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- 241000220317 Rosa Species 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000005086 pumping Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 30
- 238000003756 stirring Methods 0.000 description 8
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Accessories For Mixers (AREA)
Abstract
The utility model discloses a urea solution preparation device for preventing an SCR system from crystallizing, which comprises a main body, wherein a preparation box is arranged on the upper surface of the main body, and the lower end of the preparation box penetrates through the upper surface of the main body and extends to one side of the inner top wall of the main body. This prevent urea solution preparation facilities of SCR system crystallization, through the setting of preparation case, the additive box, a pumping agent section of thick bamboo, the pipe, conveyer pipe and piston piece, upwards mention the push rod and can drive the piston piece and follow the push rod and remove and pump the additive in the additive box to in the pumping agent section of thick bamboo through the pipe, and can judge the extraction volume of additive through observing the scale mark of pumping agent section of thick bamboo surface, the check valve in the pipe is the open state this moment, the push rod is pressed down again, carry the additive in the pumping agent section of thick bamboo to the preparation incasement through the conveyer pipe under the effect of piston piece, the inside check valve of this in-process pipe is the closed state, can make the better assurance additive when adding.
Description
Technical Field
The utility model relates to the technical field of urea solution preparation devices, in particular to a urea solution preparation device for preventing crystallization of an SCR system.
Background
At present, with the development of scientific technology, the automobile use amount is more and more popular, the automobile-used urea is a necessary product for reaching the national fourth emission standard, the automobile-used diesel automobile is already in the state of being in charge of the national sixth standard, the automobile-used urea also puts higher demands on the automobile-used urea, namely urea aqueous solution with the urea concentration of 32.5% and the solvent of ultrapure water, the raw materials are urea products and ultrapure water, in the preparation process of the urea solution, the additive ethylene glycol of 1% and the nonionic surfactant fatty alcohol polyvinyl ether of 10ppm are required to be added after mixing the high-purity urea of 32.5% and the deionized water, the situation that measurement is inaccurate easily appears in the process of adding the additive, so that the prepared urea solution does not reach the standard, the mixed urea solution is required to be filtered and then collected after the additive is added, the used collecting container is difficult to adjust according to the preparation amount of the urea solution, and under the condition that the container space is insufficient after the preparation of the urea solution appears, the urea solution is inconvenient to store the prepared urea solution, so that the crystallization is designed to prevent the necessary solution from being crystallized.
Disclosure of utility model
The utility model mainly aims to provide a urea solution preparation device for preventing crystallization of an SCR system, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The urea solution preparation device for preventing crystallization of the SCR system comprises a main body, wherein a preparation box is arranged on the upper surface of the main body, the lower end of the preparation box penetrates through the upper surface of the main body and extends to one side of the inner top wall of the main body, an additive box is fixedly connected to the upper surface of the main body, a bracket is fixedly connected to the upper surface of the main body, an extracting agent cylinder is fixedly connected to the upper surface of the bracket, an extracting tube is fixedly connected to the lower surface of the extracting agent cylinder, one end of the extracting tube is communicated with the extracting agent cylinder, the other end of the extracting tube is fixedly connected with the additive box and is communicated with the additive box, and a one-way valve is arranged on the inner wall of the extracting tube; the lower surface fixedly connected with conveyer pipe of taking out the agent section of thick bamboo, the one end of conveyer pipe switches on with taking out the agent section of thick bamboo mutually, the other end of conveyer pipe runs through the upper surface of bracket and switches on with the preparation case mutually, the inner wall of taking out the agent section of thick bamboo is provided with the piston piece, the upper surface fixedly connected with push rod of piston piece, the surface one side of taking out the agent section of thick bamboo is provided with the scale mark.
In order to achieve the stirring function, the urea solution preparation device for preventing the crystallization of the SCR system is characterized in that the upper surface of the preparation box is connected with the box cover in a threaded manner, the motor is mounted on the upper surface of the box cover, the stirring shaft is rotatably connected to the inner top wall of the box cover, and the output end of the motor is fixedly connected with the stirring shaft.
In order to enable the urea solution after preparation to be filtered, as the urea solution preparation device for preventing the crystallization of the SCR system, a connecting pipe is fixedly connected to the lower surface of the preparation box, an upper valve is arranged on one side of the outer surface of the connecting pipe, a filter box is fixedly connected to the bottom end of the connecting pipe, a filter plate is arranged in the filter box, a sealing door is arranged on the outer surface of the filter box, a through pipe is fixedly connected to the lower surface of the filter box, and a supporting plate is arranged on the inner wall of the main body.
In order to enable the lower cavity to be adjusted, one end of the through pipe penetrates through the upper surface of the supporting plate and extends to one side of the lower surface of the supporting plate, the bottom end of the through pipe is fixedly connected with the upper cavity, a sliding groove is formed in the lower surface of the upper cavity, the inner wall of the sliding groove is slidably connected with the lower cavity, a sealing ring is arranged on the lower surface of the upper cavity, and a fixing plate is fixedly connected to one side of the outer surface of the lower cavity.
In order to enable the screw to be driven to rotate, as the urea solution preparation device for preventing the crystallization of the SCR system, the installation groove is formed in the inner side wall of the main body, the screw is connected with the inner wall of the installation groove in a rotating mode, one side of the outer surface of the screw is fixedly connected with the worm wheel, the screw is in threaded connection with the fixing plate, the number of the screw is two, and the number of the worm wheels is two.
In order to enable the worm wheel to be driven to rotate, as the urea solution preparation device for preventing the crystallization of the SCR system, the inner wall of the main body is rotationally connected with the worm, the worm is in meshed connection with the worm wheel, one end of the worm penetrates through the inner wall of the main body and extends to one side of the back surface of the main body, one end of the worm is fixedly connected with the belt pulleys, the number of the belt pulleys is two, the number of the worm is two, the outer surface of the belt pulley is lapped with the driving belt, the other end of the worm penetrates through the inner wall of the main body and extends to one side of the front surface of the main body, and the other end of the worm is fixedly connected with the turntable.
In order to enable the stored urea solution to be discharged, as a urea solution preparation device for preventing crystallization of the SCR system, the outer surface side of the lower cavity is fixedly connected with a discharge pipe, and the outer surface side of the discharge pipe is provided with a lower valve.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, through the arrangement of the preparation box, the additive drawing cylinder, the drawing pipe, the conveying pipe and the piston block, the piston block can be driven to move by lifting the push rod upwards, the additive in the additive box is drawn into the additive drawing cylinder through the drawing pipe, the drawing amount of the additive can be judged by observing the scale marks on the outer surface of the additive drawing cylinder, at the moment, the one-way valve in the drawing pipe is in an open state, the push rod is pressed downwards, the additive in the additive drawing cylinder is conveyed into the preparation box through the conveying pipe under the action of the piston block, and in the process, the one-way valve in the drawing pipe is in a closed state, so that the additive amount can be better mastered when the additive is added.
2. According to the utility model, through the arrangement of the upper cavity, the lower cavity, the screw, the worm gear, the worm and the belt pulley, the worm can be driven to rotate when the turntable is rotated, and the belt pulley can be driven to rotate in the rotating process by the worm, so that the two belt pulleys are driven to rotate simultaneously by the transmission belt, the two worm shafts are driven to rotate simultaneously, and the screw is driven to rotate under the meshing motion of the worm and the worm gear, at the moment, the fixed plate on the lower cavity and the screw move in a threaded manner, so that the lower cavity and the sliding groove of the upper cavity can be driven to slide through the fixed plate, the position of the lower cavity can be adjusted, the storage container can be adjusted according to the preparation amount of urea solution, and the urea solution can be stored conveniently.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic drawing of the structure of the pump cartridge of the present utility model;
FIG. 3 is a schematic view of the structure of the screw of the present utility model;
FIG. 4 is a schematic diagram of a piston block according to the present utility model;
fig. 5 is a schematic diagram of the pulley structure of the present utility model.
In the figure: 1. a main body; 2. preparing a box; 3. an additive cartridge; 4. a bracket; 5. a reagent pumping cylinder; 6. drawing out a pipe; 7. a delivery tube; 8. a piston block; 9. a push rod; 10. a case cover; 11. a motor; 12. a stirring shaft; 13. a connecting pipe; 14. a valve is arranged; 15. a filter box; 16. sealing the door; 17. a through pipe; 18. a supporting plate; 19. an upper cavity; 20. a lower cavity; 21. a fixing plate; 22. a mounting groove; 23. a screw; 24. a worm wheel; 25. a worm; 26. a belt pulley; 27. a transmission belt; 28. a turntable; 29. a discharge pipe; 30. and a lower valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-5, a urea solution preparation device for preventing crystallization of an SCR system comprises a main body 1, wherein a preparation box 2 is arranged on the upper surface of the main body 1, the lower end of the preparation box 2 penetrates through the upper surface of the main body 1 and extends to one side of the inner top wall of the main body 1, an additive box 3 is fixedly connected to the upper surface of the main body 1, a bracket 4 is fixedly connected to the upper surface of the main body 1, an extracting agent cylinder 5 is fixedly connected to the upper surface of the bracket 4, an extracting pipe 6 is fixedly connected to the lower surface of the extracting agent cylinder 5, one end of the extracting pipe 6 is communicated with the extracting agent cylinder 5, the other end of the extracting pipe 6 is fixedly connected with the additive box 3 and is communicated with the additive box 3, and a one-way valve is arranged on the inner wall of the extracting pipe 6;
In this embodiment, the lower surface of the agent extraction cylinder 5 is fixedly connected with a conveying pipe 7, one end of the conveying pipe 7 is communicated with the agent extraction cylinder 5, the other end of the conveying pipe 7 penetrates through the upper surface of the bracket 4 and is communicated with the preparation box 2, a piston block 8 is arranged on the inner wall of the agent extraction cylinder 5, a push rod 9 is fixedly connected to the upper surface of the piston block 8, and scale marks are arranged on one side of the outer surface of the agent extraction cylinder 5.
When the additive box is specifically used, the push rod 9 is lifted upwards to drive the piston block 8 to move along with the push rod 9 and suck the additive in the additive box 3 into the additive sucking cylinder 5 through the sucking pipe 6, the extraction amount of the additive can be judged by observing the scale marks on the outer surface of the additive sucking cylinder 5, the one-way valve in the sucking pipe 6 is in an open state at the moment, the push rod 9 is pressed downwards again, the additive in the additive sucking cylinder 5 is conveyed into the preparation box 2 through the conveying pipe 7 under the action of the piston block 8, and the one-way valve in the sucking pipe 6 is in a closed state in the process, so that the additive can be better controlled to be added when being added.
In this embodiment, the upper surface of the preparation box 2 is connected with a box cover 10 through threads, a motor 11 is mounted on the upper surface of the box cover 10, a stirring shaft 12 is rotatably connected to the inner top wall of the box cover 10, and the output end of the motor 11 is fixedly connected with the stirring shaft 12.
When the device is specifically used, the tank cover 10 is opened to add the high-purity urea and the deionized water, and after the tank cover 10 is screwed, the output end of the motor 11 can drive the stirring shaft 12 to mix the high-purity urea and the deionized water in the preparation tank 2.
In this embodiment, the lower surface fixedly connected with connecting pipe 13 of preparation case 2, surface one side of connecting pipe 13 is provided with valve 14, and the bottom fixedly connected with rose box 15 of connecting pipe 13, the inside of rose box 15 is provided with the filter, and the surface of rose box 15 is provided with sealing door 16, and the lower surface fixedly connected with siphunculus 17 of rose box 15, the inner wall of main part 1 is provided with layer board 18.
In specific use, after the upper valve 14 is opened, the urea solution mixed in the preparation tank 2 enters the filter tank 15 through the connecting pipe 13 and is filtered through the filter plate.
In this embodiment, one end of the through pipe 17 penetrates through the upper surface of the supporting plate 18 and extends to one side of the lower surface of the supporting plate 18, the bottom end of the through pipe 17 is fixedly connected with an upper cavity 19, a chute is formed in the lower surface of the upper cavity 19, the inner wall of the chute is slidably connected with a lower cavity 20, a sealing ring is arranged on the lower surface of the upper cavity 19, and a fixing plate 21 is fixedly connected to one side of the outer surface of the lower cavity 20.
In specific use, the filtered urea solution is discharged from the upper cavity 19 and the lower cavity 20 through the through pipe 17, and the lower cavity 20 can slide in the sliding groove of the upper cavity 19.
In this embodiment, the inner side wall of the main body 1 is provided with a mounting groove 22, the inner wall of the mounting groove 22 is rotatably connected with a screw rod 23, one side of the outer surface of the screw rod 23 is fixedly connected with a worm wheel 24, the screw rod 23 is in threaded connection with the fixing plate 21, the number of the screw rods 23 is two, and the number of the worm wheels 24 is two.
In specific use, the worm wheel 24 can drive the screw 23 to rotate when rotating.
In this embodiment, the inner wall of the main body 1 is rotatably connected with a worm 25, the worm 25 is in meshed connection with a worm wheel 24, one end of the worm 25 penetrates through the inner wall of the main body 1 and extends to one side of the back of the main body 1, one end of the worm 25 is fixedly connected with a belt pulley 26, the number of the belt pulleys 26 is two, the number of the worm 25 is two, the outer surface of the belt pulley 26 is lapped with a driving belt 27, the other end of the worm 25 penetrates through the inner wall of the main body 1 and extends to one side of the front of the main body 1, and the other end of the worm 25 is fixedly connected with a turntable 28.
When the worm 25 is driven to rotate by the rotating turntable 28, the two pulleys 26 can be driven to simultaneously rotate by the pulley 26 through the transmission belt 27, so that the two worms 25 can simultaneously rotate and mesh with the worm wheel 24 to drive the two screws 23 to simultaneously rotate, and the lower cavity 20 can be driven to slide in the sliding groove of the upper cavity 19 to carry out position adjustment on the lower cavity 20 through the threaded connection between the screws 23 and the fixing plate 21 due to the threaded connection between the screws 23 and the fixing plate 21.
In the present embodiment, a discharge pipe 29 is fixedly connected to the outer surface side of the lower chamber 20, and a lower valve 30 is provided to the outer surface side of the discharge pipe 29.
In particular use, after opening the lower valve 30, the stored urea solution is discharged through the discharge pipe 29.
Working principle: in use, the tank cover 10 is opened to add high-purity urea and deionized water, the output end of the motor 11 can drive the stirring shaft 12 to mix the high-purity urea and the deionized water in the preparation tank 2 after the tank cover 10 is screwed, the push rod 9 is lifted upwards to drive the piston block 8 to move along with the push rod 9 and suck the additive in the additive box 3 into the additive barrel 5 through the suction pipe 6, the extraction amount of the additive can be judged by observing the scale mark on the outer surface of the additive barrel 5, at the moment, the one-way valve in the suction pipe 6 is in an open state, the push rod 9 is pressed downwards, the additive in the additive barrel 5 is conveyed into the preparation tank 2 through the conveying pipe 7 under the action of the piston block 8, the one-way valve in the suction pipe 6 is in a closed state in the process, the additive amount can be better mastered during the addition, after the upper valve 14 is opened, the mixed urea solution in the preparation tank 2 enters the filter tank 15 through the connecting pipe 13 and is filtered through the filter plate, the filtered urea solution is discharged into the upper cavity 19 and the lower cavity 20 through the through pipe 17, the worm 25 can be driven to rotate when the rotary table 28 is rotated, the belt pulley 26 can be driven to rotate in the rotating process by the worm 25, the two belt pulleys 26 are driven to simultaneously rotate by the driving belt 27, the two worm 25 simultaneously rotate, the screw 23 is driven to rotate under the meshing motion of the worm 25 and the worm wheel 24, the fixed plate 21 on the lower cavity 20 and the screw 23 move in a threaded manner, so that the sliding grooves of the lower cavity 20 and the upper cavity 19 can be driven by the fixed plate 21 to slide, the position of the lower cavity 20 can be adjusted, the storage container can be adjusted according to the preparation amount of the urea solution, the urea solution is convenient to store.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Urea solution preparation device for preventing SCR system crystallization, comprising a main body (1), characterized in that: the upper surface of main part (1) is provided with preparation case (2), the lower extreme of preparation case (2) runs through the upper surface of main part (1) and extends to interior roof one side of main part (1), the upper surface fixedly connected with additive box (3) of main part (1), the upper surface fixedly connected with bracket (4) of main part (1), the upper surface fixedly connected with of bracket (4) takes out reagent tube (5), the lower surface fixedly connected with take out reagent tube (5) takes out reagent tube (6), take out reagent tube (6) one end and take out reagent tube (5) and switch on mutually, take out reagent tube (6) the other end and be fixed connection and switch on mutually with additive box (3), take out reagent tube (6) inner wall is provided with the check valve;
The lower surface fixedly connected with conveyer pipe (7) of taking out agent section of thick bamboo (5), the one end of conveyer pipe (7) is switched on with taking out agent section of thick bamboo (5), the other end of conveyer pipe (7) runs through the upper surface of bracket (4) and is switched on with preparation case (2), the inner wall of taking out agent section of thick bamboo (5) is provided with piston block (8), the upper surface fixedly connected with push rod (9) of piston block (8), the surface one side of taking out agent section of thick bamboo (5) is provided with the scale mark.
2. A urea solution preparation device for preventing crystallization of an SCR system according to claim 1, wherein: the upper surface threaded connection of preparation case (2) has case lid (10), the upper surface mounting of case lid (10) has motor (11), the interior roof rotation of case lid (10) is connected with (mixing) shaft (12), the output of motor (11) is fixed connection with (mixing) shaft (12).
3. A urea solution preparation device for preventing crystallization of an SCR system according to claim 1, wherein: the lower surface of the preparation box (2) is fixedly connected with a connecting pipe (13), one side of the outer surface of the connecting pipe (13) is provided with an upper valve (14), the bottom end of the connecting pipe (13) is fixedly connected with a filtering box (15), the inside of rose box (15) is provided with the filter, the surface of rose box (15) is provided with sealing door (16), the lower surface fixedly connected with siphunculus (17) of rose box (15), the inner wall of main part (1) is provided with layer board (18).
4. A urea solution preparation device for preventing crystallization of an SCR system according to claim 3, wherein: one end of a through pipe (17) penetrates through the upper surface of a supporting plate (18) and extends to one side of the lower surface of the supporting plate (18), an upper cavity (19) is fixedly connected to the bottom end of the through pipe (17), a sliding groove is formed in the lower surface of the upper cavity (19), a lower cavity (20) is slidably connected to the inner wall of the sliding groove, a sealing ring is arranged on the lower surface of the upper cavity (19), and a fixing plate (21) is fixedly connected to one side of the outer surface of the lower cavity (20).
5. A urea solution preparation device for preventing crystallization of an SCR system according to claim 1, wherein: the mounting groove (22) has been seted up to the inside wall of main part (1), the inner wall of mounting groove (22) rotates and is connected with screw rod (23), surface one side fixedly connected with worm wheel (24) of screw rod (23), screw rod (23) are threaded connection with fixed plate (21), the quantity of screw rod (23) is two, the quantity of worm wheel (24) is two.
6. A urea solution preparation device for preventing crystallization of an SCR system according to claim 1, wherein: the inner wall rotation of main part (1) is connected with worm (25), worm (25) are the meshing with worm wheel (24) and are connected, the one end of worm (25) runs through the inner wall of main part (1) and extends to the back one side of main part (1), the one end fixedly connected with belt pulley (26) of worm (25), the quantity of belt pulley (26) is two, the quantity of worm (25) is two, the surface overlap joint of belt pulley (26) has drive belt (27), the other end of worm (25) runs through the inner wall of main part (1) and extends to the front one side of main part (1), the other end fixedly connected with carousel (28) of worm (25).
7. A urea solution preparation device for preventing crystallization of an SCR system as defined in claim 4, wherein: the outer surface side of the lower cavity (20) is fixedly connected with a discharge pipe (29), and a lower valve (30) is arranged on the outer surface side of the discharge pipe (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322638035.5U CN221015825U (en) | 2023-09-27 | 2023-09-27 | Prevent urea solution preparation facilities of SCR system crystallization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322638035.5U CN221015825U (en) | 2023-09-27 | 2023-09-27 | Prevent urea solution preparation facilities of SCR system crystallization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221015825U true CN221015825U (en) | 2024-05-28 |
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ID=91169229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322638035.5U Active CN221015825U (en) | 2023-09-27 | 2023-09-27 | Prevent urea solution preparation facilities of SCR system crystallization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221015825U (en) |
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2023
- 2023-09-27 CN CN202322638035.5U patent/CN221015825U/en active Active
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