CN213887450U - Cleaning device for inner flow channel of urea injector - Google Patents
Cleaning device for inner flow channel of urea injector Download PDFInfo
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- CN213887450U CN213887450U CN202021656851.9U CN202021656851U CN213887450U CN 213887450 U CN213887450 U CN 213887450U CN 202021656851 U CN202021656851 U CN 202021656851U CN 213887450 U CN213887450 U CN 213887450U
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- urea injector
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Abstract
The utility model discloses a cleaning device for an inner flow passage of a urea injector, which comprises a workbench, wherein a workpiece seat and a sealing seat used for blocking an upper port of the selectable urea injector are arranged on the selectable workbench, the selectable sealing seat is arranged right above the selectable workpiece, a guide rod is vertically arranged on the side part of the selectable workpiece seat, and the selectable sealing seat is connected with the selectable guide rod in a sliding manner; the optional guide rod is sleeved with a spring, the first end of the optional spring is connected with the upper end face of the optional workbench, and the second end of the optional spring is connected with the optional support bearing. When the urea injector is installed in a sealing mode, the sealing seat is pushed to move upwards along the guide post, so that the spring is in a stretching state, and the bottom surface of the urea injector is placed on the upper end face of the workpiece seat; and the sealing seat is loosened, and the spring resets to drive the sealing seat to move downwards along the guide pillar and press the urea injector on the workpiece seat, so that the urea injector is quickly positioned.
Description
Technical Field
The utility model relates to a detect the cleaning equipment field, especially relate to a belt cleaning device of urea sprayer internal flow way.
Background
The urea injector is a main execution device of the diesel engine tail gas treatment technology, and because urea has the characteristic of easy crystallization, if a large amount of urea is left in a flow passage in the urea injector, the urea injector is easy to block and does not work or the flow is abnormal. The internal flow passage of the urea injector needs to be cleaned periodically for urea residues.
In the cleaning device of the urea injector in the prior art, constant-temperature water flow is adopted to clean the urea injector; the disadvantages of the urea injector are that the steps of positioning and sealing the urea injector are complex and the working efficiency is low when the urea injector is cleaned.
In view of this, it is an urgent technical problem to be solved by those skilled in the art to provide a cleaning device for quickly positioning and sealing a urea injector.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a belt cleaning device of urea sprayer internal flow way solves above technical problem.
To achieve the purpose, the utility model adopts the following technical proposal:
the cleaning device for the urea injector inner flow passage is characterized by comprising a workbench, wherein a workpiece seat and a sealing seat for blocking an upper port of the urea injector are arranged on the workbench, the sealing seat is arranged right above a workpiece, a guide rod is vertically arranged on the side part of the workpiece seat, and the sealing seat is connected to the guide rod in a sliding manner;
the guide rod is sleeved with a spring, a first end of the spring is connected with the upper end face of the workbench, a second end of the spring is connected with a linear bearing connected with the sealing seat, and the linear bearing is connected to the guide rod in a sliding mode.
Optionally, the workpiece seat and the seal seat are provided with N sets, where N is a natural number greater than 1.
Optionally, the seal seat is provided with a cleaning port for filling a cleaning medium, and the workpiece seat is provided with a backflow port; the cleaning port and the backflow port are communicated with a cavity of the urea injector.
Optionally, the cleaning device further comprises a tank body containing a cleaning medium and a cleaning loop, wherein a first end of the cleaning loop is communicated with the cleaning port, and a second end of the cleaning loop is communicated with the tank body; the tank body can supply a cleaning medium to the cleaning port.
Optionally, a heating assembly and a thermometer for detecting the temperature of the cleaning medium in the box body are arranged in the box body;
when the cleaning medium in the box body reaches a preset temperature value, the heating assembly is started to heat the cleaning medium in the box body.
Optionally, the backflow port is communicated with a water outlet pipeline, and one end of the water outlet pipeline is provided with a detection device for detecting the urea concentration.
Optionally, the urea spraying device further comprises a pulse generator, and a signal output end of the pulse generator is connected with the cavity of the urea spraying device.
Optionally, the cleaning medium is water.
Optionally, still be provided with the suction pump on the cleaning circuit, the suction pump can extract cleaning medium to the cleaning circuit in the box, just the suction pump is connected with the governing valve.
Compared with the prior art, the utility model discloses following beneficial effect has: when the urea injector is installed in a sealing mode, the sealing seat is pushed to move upwards along the guide post, so that the spring is in a stretching state, and the bottom surface of the urea injector is placed on the upper end face of the workpiece seat; and the sealing seat is loosened, and the spring resets to drive the sealing seat to move downwards along the guide pillar and press the urea injector on the workpiece seat, so that the urea injector is quickly positioned.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
FIG. 1 is a schematic diagram of a cleaning apparatus for an internal flow passage of a urea injector;
FIG. 2 is a schematic diagram of a hydraulic circuit of a cleaning device for an internal flow passage of a urea injector.
Illustration of the drawings: the device comprises a workbench 1, a workpiece seat 2, a sealing seat 3, a guide rod 4, a linear bearing 5, a cleaning port 6, a backflow port 7, a box body 8, a cleaning loop 9, a pulse generator 10, a water pump 11 and a regulating valve 12.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment of the utility model provides a cleaning device for an inner flow passage of a urea injector, which comprises a workbench 1, wherein the workbench 1 is provided with a workpiece seat 2 and a sealing seat 3 for blocking an upper port of the urea injector, and the sealing seat 3 is arranged right above the workpiece; a guide rod 4 is vertically arranged on the side part of the workpiece seat 2, and the sealing seat 3 is connected to the guide rod 4 in a sliding manner;
the guide rod 4 is sleeved with a spring, the first end of the spring is connected with the upper end face of the workbench 1, the second end of the spring is connected with a linear bearing 5 connected with the sealing seat 3, and the linear bearing 5 is connected to the guide rod 4 in a sliding mode.
When the urea injector is installed in a sealing mode, the sealing seat 3 is pushed to move upwards along the guide post, so that the spring is in a stretching state, and the bottom surface of the urea injector is placed on the upper end face of the workpiece seat 2; and loosening the sealing seat 3, and resetting the spring to drive the sealing seat 3 to move downwards along the guide pillar and press the urea injector on the workpiece seat 2, so that the urea injector is quickly positioned.
The workpiece seat 2 and the sealing seat 3 are provided with N groups, wherein N is a natural number larger than 1. The urea cleaning device can simultaneously perform urea cleaning work on a plurality of urea injectors, and the urea cleaning device is not interfered with each other, so that the working efficiency is improved.
In the embodiment, the sealing seat 3 is provided with a cleaning port 6 for filling a cleaning medium, the cleaning medium is water, and the workpiece seat 2 is provided with a return port 7 for discharging the cleaning medium; wherein, the cleaning port 6 and the return port 7 are both communicated with the cavity of the urea injector. During cleaning, cleaning medium is filled into the cavity of the urea injector from the cleaning port 6 to perform cleaning work, and flows out from the return port 7 to form cleaning liquid with certain urea concentration.
Specifically, the cleaning device also comprises a box body 8 containing a cleaning medium and a cleaning loop 9, wherein a first end of the cleaning loop 9 is communicated with the cleaning port 6, and a second end of the cleaning loop 9 is communicated with the box body 8; the box body 8 can supply cleaning media to the cleaning port 6, and a heating assembly and a thermometer for detecting the temperature of the cleaning media in the box body 8 are arranged in the constant temperature box body 8; when the cleaning medium in the thermostat box body 8 reaches a preset temperature value, the heating assembly is started to heat the cleaning medium in the thermostat box body 8. The urea injector is cleaned by using a constant-temperature heating water source, so that the temperature during cleaning is controllable, and the cleaning effect is ensured.
Preferably, the urea injector further comprises a pulse generator 10, and a signal output end of the pulse generator 10 is connected with the cavity of the urea injector. The residual urea in the urea injector can be fully cleaned by adopting a pulse cleaning mode.
In this embodiment, a water pump 11 is further disposed on the cleaning circuit 9, the water pump 11 may pump the cleaning medium in the tank 8 to the cleaning circuit 9, and the water pump 11 is connected to an adjusting valve 12. The water suction pump 11 and the pressure regulating valve 12 are used for realizing controllable input pressure of the cleaning medium in the flow channel of the urea injector.
In the present embodiment, the return port 7 communicates with a detection device for detecting the urea concentration. The evaluation method applied to the urea residue in the inner runner comprises the following steps:
the method comprises the following steps: sampling the cleaning medium before cleaning, and detecting the concentration of urea in the sampling medium by using a urea concentration meter to obtain a cleaning medium reference value.
Step two: and cleaning by using a cleaning device of the urea injector inner flow passage to form cleaning liquid with a certain urea concentration, and collecting the cleaning liquid.
Step three: and detecting the urea concentration in the cleaning liquid by using a urea detection device, and subtracting the reference value of the cleaning medium from the urea concentration of the cleaning liquid to obtain the urea residual value of the inner runner.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The cleaning device for the urea injector inner flow passage is characterized by comprising a workbench (1), wherein a workpiece seat (2) and a sealing seat (3) used for blocking an upper port of the urea injector are arranged on the workbench (1), the sealing seat (3) is arranged right above a workpiece, a guide rod (4) is vertically arranged on the side part of the workpiece seat (2), and the sealing seat (3) is connected to the guide rod (4) in a sliding manner;
the guide rod (4) is sleeved with a spring, the first end of the spring is connected with the upper end face of the workbench (1), the second end of the spring is connected with a linear bearing (5) connected with the sealing seat (3), and the linear bearing (5) is connected onto the guide rod (4) in a sliding mode.
2. The cleaning device for the internal flow passage of the urea injector according to claim 1, wherein the work piece seat (2) and the seal seat (3) are provided with N groups, wherein N is a natural number greater than 1.
3. A cleaning device for an internal flow passage of a urea injector according to claim 1, characterized in that said sealing seat (3) is provided with a cleaning opening (6) for pouring a cleaning medium and said work piece seat (2) is provided with a return opening (7); the cleaning port (6) and the return port (7) are communicated with the cavity of the urea injector.
4. A cleaning device for an internal flow passage of a urea injector according to claim 3, characterized by further comprising a tank (8) containing a cleaning medium and a cleaning circuit (9), a first end of said cleaning circuit (9) being in communication with said cleaning port (6), a second end of said cleaning circuit (9) being in communication with said tank (8); the tank (8) can supply a cleaning medium to the cleaning opening (6).
5. A cleaning device for an internal flow passage of a urea injector according to claim 4, characterized in that a heating assembly and a thermometer for detecting the temperature of a cleaning medium in said tank (8) are arranged in said tank (8);
when the cleaning medium in the box body (8) reaches a preset temperature value, the heating assembly is started to heat the cleaning medium in the box body (8).
6. The cleaning device for the urea injector inner flow passage is characterized in that the return port (7) is communicated with a water outlet pipeline, and one end of the water outlet pipeline is provided with a detection device for detecting the concentration of urea.
7. The cleaning device for the urea injector inner flow passage is characterized by further comprising a pulse generator (10), wherein a signal output end of the pulse generator (10) is connected with the cavity of the urea injector.
8. The urea injector internal flow passage cleaning device of claim 3, wherein the cleaning medium is water.
9. The cleaning device for the urea injector internal flow passage according to claim 4, wherein a water suction pump (11) is further arranged on the cleaning loop (9), the water suction pump (11) can draw the cleaning medium in the tank (8) to the cleaning loop (9), and the water suction pump (11) is connected with a regulating valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021656851.9U CN213887450U (en) | 2020-08-11 | 2020-08-11 | Cleaning device for inner flow channel of urea injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021656851.9U CN213887450U (en) | 2020-08-11 | 2020-08-11 | Cleaning device for inner flow channel of urea injector |
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| Publication Number | Publication Date |
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| CN213887450U true CN213887450U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021656851.9U Active CN213887450U (en) | 2020-08-11 | 2020-08-11 | Cleaning device for inner flow channel of urea injector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037578A (en) * | 2023-04-03 | 2023-05-02 | 烟台盈德精密机械有限公司 | Cleaning device for inner runner of urea injector |
| CN116422655A (en) * | 2023-06-12 | 2023-07-14 | 烟台盈德精密机械有限公司 | Flow channel flushing device of urea injection system |
-
2020
- 2020-08-11 CN CN202021656851.9U patent/CN213887450U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037578A (en) * | 2023-04-03 | 2023-05-02 | 烟台盈德精密机械有限公司 | Cleaning device for inner runner of urea injector |
| CN116422655A (en) * | 2023-06-12 | 2023-07-14 | 烟台盈德精密机械有限公司 | Flow channel flushing device of urea injection system |
| CN116422655B (en) * | 2023-06-12 | 2023-08-11 | 烟台盈德精密机械有限公司 | Flow channel flushing device of urea injection system |
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