CN218403670U - Urea filling machine calibrating device - Google Patents
Urea filling machine calibrating device Download PDFInfo
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- CN218403670U CN218403670U CN202222146026.XU CN202222146026U CN218403670U CN 218403670 U CN218403670 U CN 218403670U CN 202222146026 U CN202222146026 U CN 202222146026U CN 218403670 U CN218403670 U CN 218403670U
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Abstract
The utility model provides a urea filling machine calibrating device, including measuring device and shell, measuring device is equipped with first volume ware and second volume ware, first volume ware with the second volume ware is the semicylindrical form, first volume ware with be equipped with the baffle in the middle of the second volume ware axis of ordinates section, the baffle is hugged closely first volume ware with the second volume ware, first volume ware is equipped with first overflow cover, the second volume ware is equipped with second overflow cover, the shell is kept away from ground one side and is equipped with the filler hole, the filler hole with first overflow cover with second overflow cover smooth connection, the shell cup joint in measuring device, measuring device is equipped with the reservoir, the reservoir with first volume ware with the second volume ware switches on through the pipe. The utility model discloses a purpose of the filling error in the correction urea filling machine use.
Description
Technical Field
The utility model relates to a urea filling machine measurement test field especially relates to a urea filling machine calibrating device.
Background
With the continuous enhancement of the environmental protection consciousness of the nationwide, the atmospheric pollution becomes a focus problem of high social attention. In recent years, due to the rapid increase of the quantity of motor vehicles in China, the exhaust emission of the motor vehicles becomes one of the main sources of atmospheric pollutants. The vehicle urea solution is also called as diesel vehicle tail gas treatment liquid, is colorless, transparent, non-flammable and explosive liquid, has certain corrosivity to metal substances, and has the density of 1087.0 to 1093.0 kg/m at 20 DEG C 3 In between. The catalyst can decompose ammonia gas at high temperature, and the ammonia gas can react with nitrogen oxides in the tail gas under the action of the catalyst to generate harmless nitrogen gas and water, thereby playing a role in treating the tail gas. In order to facilitate the filling and settlement of the automobile urea solution, automobile urea solution filling equipment is installed in many social gas stations at present. However, the urea solution filling equipment must be verified or calibrated regularly to ensure that it is accurate and reliable.
The utility model provides a disclose "a melt-blown fabric equipment liquid material is with quantitative filling structure" on chinese patent literature, its publication No. CN215856476U, this utility model provides a melt-blown fabric equipment liquid material is with quantitative filling structure, jar body top outer wall screw connection has the support body, jar internal wall bottom screw connection has the limit lever, limit lever outer wall sliding connection has the roof, jar external wall one side screw connection has the force (forcing) pump, through the roof, limit lever and spacing have solved the most manual work that need of ordinary melt-blown fabric equipment liquid material filling among the prior art and have annotated, the unable accurate quantitative problem in the time consuming and energy consuming, but solved quantitative filling in-process and avoided the bubble that can appear through visual window and calibration scale, lead to the problem that quantitative structure error appears. But this device does not allow for the calibration of the urea dosing device.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a reduce the filling error in the urea filling machine use, provide a urea filling machine calibrating device, realized the purpose of correcting filling error in the urea filling machine use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a calibration device for a urea filling machine comprises a measuring device and a shell, wherein the measuring device is provided with a first measuring device and a second measuring device, the first measuring device and the second measuring device are semi-cylindrical, a partition plate is arranged between the longitudinal axis sections of the first measuring device and the second measuring device, the partition plate is tightly attached to the first measuring device and the second measuring device, the first measuring device is provided with a first overflow cover, the second measuring device is provided with a second overflow cover, one side, far away from the ground, of the shell is provided with a filling hole, the filling hole is in smooth connection with the first overflow cover and the second overflow cover, the shell is sleeved on the measuring device, the measuring device is provided with a liquid storage device, and the liquid storage device is communicated with the first measuring device and the second measuring device through a guide pipe.
The utility model discloses set up first doser and second doser, the doser of two kinds of specifications is used for 50L big, the well flow to detect and 20L's little flow detects, has set up the reservoir, to every urea filling gun detect the back only need with the reservoir of arranging the urea in the doser can, avoided the removal of doser, the doser need not the leveling again, has set up the overflow cover, when preventing filling gun filling test, the excessive of urea.
Preferably, the first measuring device is provided with a first measuring neck, the second measuring device is provided with a second measuring neck, the first measuring neck is in smooth connection with the first overflow cover, the second measuring neck is in smooth connection with the second overflow cover, and the first measuring neck and the second measuring neck are provided with leveling bubbles.
The utility model discloses set up the half-cylinder shape and measured the neck, measure the neck and be used for forming liquid level evenly distributed form, the air level is used for showing whether the volume indicator reaches the horizontality.
Preferably, a first liquid level meter is arranged in the first metering neck, and a second liquid level meter is arranged in the second metering neck.
The utility model discloses set up the level gauge, the level gauge is located the measurement neck for direct measurement urea liquid level height, rethread conversion obtain the urea volume.
Preferably, a first liquid level pipe is arranged outside the first metering neck, a second liquid level pipe is arranged outside the second metering neck, a first scale is arranged on the first liquid level pipe, and a second scale is arranged on the second liquid level pipe.
The utility model discloses set up liquid level pipe and scale, the scale on the liquid level pipe is used for measuring the liquid level height of urea, and the measurement personnel can read through the observation window on the detection door, obtains the urea volume through the conversion.
Preferably, the first scale is provided with a first zero-position indicator, the second scale is provided with a second zero-position indicator, the first zero-position indicator is in sliding connection with the first scale, and the second zero-position indicator is in sliding connection with the second scale.
The utility model discloses set up zero-bit indicator, zero-bit indicator sliding sleeve is in the scale, before test urea filling gun, and it should be located the zero scale department of measuring apparatu and lock, and the zero scale value of measuring apparatu obtains through maring.
Preferably, the first measuring device is provided with a first inclined lower bottom surface, the first lower bottom surface is provided with a first liquid discharge hole, the first liquid discharge hole is sleeved with a first liquid discharge valve, the second measuring device is provided with a second inclined lower bottom surface, the second lower bottom surface is provided with a second liquid discharge hole, the second liquid discharge hole is sleeved with a second liquid discharge valve, and the first liquid discharge valve and the second liquid discharge valve are communicated with the liquid storage device through a guide pipe.
The utility model discloses the flowing back valve has been set up for arrange the reservoir with the urea in the volume ware, make and need not remove the volume ware when detecting next calibration point or next urea filling gun, and then need not re-level and fastening.
Preferably, a liquid level alarm is arranged on one side, away from the ground, of the liquid storage device, a third liquid level meter is arranged on the liquid level alarm, the liquid storage device is provided with an inclined third lower bottom surface, a liquid return hole is formed in the third lower bottom surface, and the liquid return hole is sleeved with a liquid return valve.
The utility model discloses set up the liquid level alarm of taking the third level gauge, when the urea liquid level in the reservoir reached the liquid level of settlement, the liquid level alarm can send buzzing alarm, and the suggestion inspector retrieves urea, has set up back the liquid valve for retrieve the urea in the reservoir to appointed container.
Preferably, a first thermometer is arranged on the side wall of the first measuring device, and a second thermometer is arranged on the side wall of the second measuring device.
The utility model discloses set up the thermometer at the gauge for measure the concrete temperature of urea, be used for the volumetric correction of urea to calculate, make the measured data more accurate.
Preferably, the measuring device is provided with two pairs of supporting legs, and the lower ends of the supporting legs are provided with leveling devices and fastening devices.
The utility model discloses leveling device has been set up for the balance of volume ware is adjusted, guarantees the level of volume ware in the testing process, has set up fastener, is used for fastening the volume ware.
Preferably, the shell is close to ground one side and is equipped with four groups of universal wheels, the universal wheels are equipped with locking device, the shell is close to first volume ware with second volume ware one side is equipped with the observation window, the shell inboard is equipped with the heat preservation, the shell lateral wall is equipped with two access doors, the shell lateral wall is equipped with an exhaust hole, and measuring device passes through with the external world the exhaust hole switches on.
The utility model discloses the universal wheel has been set up for mobile device has set up the observation window between each filling rifle, is favorable to observing the reading of scale, and the shell inboard still is equipped with the heat preservation for keep the inside temperature of equipment, prevent to lead to urea crystallization phenomenon because of the temperature drop, set up the access door, be used for equipment leveling fastening operation and to the maintenance of equipment, the shell lateral wall is equipped with the exhaust hole, guarantees that measuring device inside and outside atmospheric pressure is balanced.
The utility model discloses following beneficial effect has:
the measuring device is provided with a semicylinder measuring device, a longitudinal axis section partition board is designed in a close fit manner, and measuring devices with different volumes are used for testing the filling gun according to different test occasions, so that the calibration precision is improved, and the internal placing space of the device is saved;
the liquid storage device is used for temporarily storing the urea in the measuring device, so that the detection efficiency is improved;
the liquid level meter is arranged on the scale outside the metering neck and inside the metering neck, so that liquid level information can be read in two modes, comparison and verification are facilitated, and the possibility of human errors is reduced.
Drawings
Fig. 1 is a cross-sectional view of a measuring device of the present invention;
fig. 2 is an isometric view of a measuring device of the present invention;
fig. 3 is a view of the housing of the present invention;
FIG. 4 is a detail view of the metering neck of the present invention;
in the figure: 1. the measuring device comprises a measuring device, 2, a shell, 3, a first measuring device, 4, a second measuring device, 5, a partition plate, 6, a first overflow cover, 7, a second overflow cover, 8, a filling hole, 9, a first measuring neck, 10, a second measuring neck, 11, a first zero indicator, 12, a second zero indicator, 13, a first liquid discharge valve, 14, a second liquid discharge valve, 15, a liquid storage device, 16, a liquid level alarm, 17, a liquid return valve, 18, a first liquid level pipe, 19, a second liquid level pipe, 20, a first scale, 21, a second scale, 22, a first liquid level meter, 23, a second liquid level meter, 24, a third liquid level meter, 25, a first thermometer, 26, a second thermometer, 27, a supporting leg, 28, a leveling device, 29, a fastening device, 30, an observation window, 31, an access door, 32, an exhaust hole, 33 and a leveling bubble.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
The embodiment provides a urea filling machine calibration device, which comprises a measuring device 1 and a shell 2 according to fig. 1 to 4, wherein the measuring device 1 is provided with a first measuring device 3 and a second measuring device 4, the first measuring device 3 and the second measuring device 4 are semi-cylindrical, a partition plate 5 is arranged between the longitudinal shaft sections of the first measuring device 3 and the second measuring device 4, the partition plate 5 is tightly attached to the first measuring device 3 and the second measuring device 4, the first measuring device 3 is provided with a first overflow cover 6, the second measuring device 4 is provided with a second overflow cover 7, the first measuring device 3 is provided with a first measuring neck 9, the second measuring device 4 is provided with a second measuring neck 10, the first measuring neck 9 is smoothly connected with the first overflow cover 6, the first measuring neck 9 and the second measuring neck 10 are provided with a leveling bubble 33, the second measuring neck 10 is smoothly connected with the second overflow cover 7, the first metering neck 9 is provided with a first liquid level pipe 18, the second metering neck 10 is provided with a second liquid level pipe 19, the first liquid level pipe 18 is provided with a first scale 20, the second liquid level pipe 19 is provided with a second scale 21, the first scale 20 is provided with a first zero indicator 11, the second scale 21 is provided with a second zero indicator 12, the first zero indicator 11 is slidably connected with the first scale 20, the second zero indicator 12 is slidably connected with the second scale 21, one side of the shell 2, which is far away from the ground, is provided with a filling hole 8, the filling hole 8 is smoothly connected with the first overflow cover 6 and the second overflow cover 7, the shell 2 is sleeved on the measuring device 1, the measuring device 1 is provided with a liquid storage device 15, the liquid storage device 15 is communicated with the first metering device 3 and the second metering device 4 through a conduit, the first metering device 3 is provided with an inclined first lower bottom surface, the first lower bottom surface is provided with a first liquid discharge hole, the first liquid discharge hole is sleeved with a first liquid discharge valve 13, the second gauge 4 is provided with an inclined second lower bottom surface, the second lower bottom surface is provided with a second liquid discharge hole, the second liquid discharge hole is sleeved with a second liquid discharge valve 14, the first liquid discharge valve 13 and the second liquid discharge valve 14 are communicated with the liquid storage device 15 through a conduit, the first liquid level meter 22 is arranged inside the first metering neck 9, the second liquid level meter 23 is arranged inside the second metering neck 10, one side of the liquid storage device 15, which is far away from the ground, is provided with a liquid level alarm 16, the liquid level alarm 16 is provided with a third liquid level meter 24, the liquid storage device 15 is provided with an inclined third lower bottom surface, and the third lower bottom surface is provided with a liquid return hole, the liquid return hole has been cup jointed and has been returned liquid valve 17, the 3 lateral walls of first measuring vessel are equipped with first thermometer 25, the 4 lateral walls of second measuring vessel are equipped with second thermometer 26, measuring device 1 is equipped with two pairs of supporting legss 27, supporting legss 27 lower extreme is equipped with levelling device 28 and fastener 29, shell 2 is close to ground one side and is equipped with four group's universal wheels, the universal wheel is equipped with locking device, shell 2 is close to first measuring vessel 3 with second measuring vessel 4 one side is equipped with observation window 30, the shell inboard is equipped with the heat preservation, the 2 lateral walls of shell are equipped with two access doors 31, the shell lateral wall is equipped with an exhaust hole 32, and measuring device passes through with the external world the exhaust hole switches on.
The working process of the embodiment:
calibrating a first measuring instrument 3 and a second measuring instrument 4 in a laboratory in advance, wherein the uncertainty of measurement is less than or equal to 0.05%, and k =2; the first zero indicator 11 and the second zero indicator 12 are respectively pointed at the zero scale position and locked. The device is transported to the site at the designated location and four wheels are secured. Opening the access door 31, checking the conditions of devices in the device, fastening after leveling the measuring device, closing the access door 31, and selecting a proper measuring device according to the detected flow. Generally, a 50L meter is used for detecting a large flow rate and a medium flow rate, and a 20L meter is used for detecting a small flow rate. Taking the first 50L measuring device 3 as an example, the wall wetting operation is performed by filling the selected first measuring device 3 with urea solution, then the first drain valve 13 is opened to drain the solution into the reservoir 15, and the first drain valve 13 is closed after waiting for 2min in a trickle state. The urea solution injection is started by aligning the injection gun at the injection hole 8 close to the first overflow cover 6. When the liquid level reaches the position near the scale of the first liquid level pipe 18 through the observation window 30, the filling is stopped. After the liquid level is stable, reading the liquid level height of the first measuring device 3 through the first scale 20 or the first liquid level meter 22; the temperature of the solution at this time is read by the first thermometer 25, and the actual volume of the solution at this time is calculated by the software. The first drain valve 13 is opened to drain the solution into the reservoir 15 to complete the test. And repeating the above operations, and continuing to finish other detection operations until all calibration operations are finished. After all the calibration works are completed, the access door 31 is opened, and the internal devices are cleaned with a special cleaning agent. The selection of the 20L gauge operates similarly to the 50L gauge. In the calibration process, if the liquid level alarm 16 gives out a buzzing alarm, the liquid storage device 15 is less than 5% of the allowance, detection personnel are reminded to open the liquid return valve 17, and a liquid storage container is cleaned immediately; meanwhile, the liquid discharge valve of the measuring device is manually locked, and the calibration operation cannot be performed at this time, so that the solution cannot overflow out of the liquid storage device 15, the recovery work is completed, the liquid return valve 17 is closed, and the calibration operation can be continued.
The utility model discloses set up first doser and second doser, the doser of two kinds of specifications is used for 50L big, the well flow to detect and 20L's little flow detects, has set up the reservoir, to every urea filling gun detect the back only need with the reservoir of arranging the urea in the doser can, avoided the removal of doser, the doser need not the leveling again, has set up the overflow cover, when preventing filling gun filling test, the excessive of urea.
The utility model discloses set up semi-cylindrical and measured the neck, measured the neck and be used for forming liquid level evenly distributed form, the air level is used for showing whether the volume gage reaches the horizontality.
The utility model discloses set up the level gauge, the level gauge is located the measurement neck for direct measurement urea liquid level height, rethread conversion obtain the urea volume.
The utility model discloses set up liquid level pipe and scale, the scale on the liquid level pipe is used for measuring the liquid level height of urea, and the measurement personnel can read through the observation window on the detection door, obtains the urea volume through the conversion.
The utility model discloses set up zero-bit indicator, zero-bit indicator sliding sleeve is in the scale, before test urea filling gun, and it should be located the zero scale department of measuring apparatu and lock, and the zero scale value of measuring apparatu obtains through maring.
The utility model discloses the flowing back valve has been set up for arrange the reservoir with the urea in the volume ware, do not need to remove the volume ware when detecting next calibration point or next urea filling gun, and then do not need leveling again and fastening.
The utility model discloses set up the liquid level alarm of taking the third level gauge, when the urea liquid level in the reservoir reached the liquid level of settlement, the liquid level alarm can send buzzing alarm, and the suggestion detector retrieves urea, has set up back the liquid valve for retrieve the urea in the reservoir.
The utility model discloses set up the thermometer at the gauge for measure the concrete temperature of urea, be used for the volumetric correction of urea to calculate, make the measured data more accurate.
The utility model discloses set up levelling device, owing to adjust the balance of volume ware, guaranteed the level of volume ware in the testing process, set up fastener for fasten the volume ware.
The utility model discloses the universal wheel has been set up for the mobile device has set up the observation window between each filling rifle, is favorable to observing the reading of scale, and the shell inboard still is equipped with the heat preservation, is used for keeping the inside temperature of equipment, prevents to lead to urea crystallization phenomenon because of the temperature decline, sets up the access door, is used for equipment leveling fastening operation and to the maintenance of equipment, and the shell lateral wall is equipped with the exhaust hole, guarantees that measuring device inside and outside atmospheric pressure is balanced.
Claims (10)
1. The utility model provides a urea filling machine calibrating device which characterized by: including measuring device (1) and shell (2), measuring device (1) is equipped with first volume ware (3) and second volume ware (4), first volume ware (3) with second volume ware (4) are the semicylindrical form, first volume ware (3) with second volume ware (4) axis of ordinates section centre is equipped with baffle (5), baffle (5) are hugged closely first volume ware (3) with second volume ware (4), first volume ware (3) are equipped with first overflow cover (6), second volume ware (4) are equipped with second overflow cover (7), shell (2) are kept away from ground one side and are equipped with filling hole (8), filling hole (8) with first overflow cover (6) with second overflow cover (7) smooth connection, shell (2) cup joint in measuring device (1), measuring device (1) is equipped with reservoir (15), reservoir (15) with first volume ware (3) with second volume ware (4) lead to pipe.
2. A urea dispenser calibration device according to claim 1, characterized in that: first volume ware (3) are equipped with first measurement neck (9), second volume ware (4) are equipped with second measurement neck (10), first measurement neck (9) with first overflow cover (6) are smoothly connected, second measurement neck (10) with second overflow cover (7) are smoothly connected, first measurement neck (9) with second measurement neck (10) are equipped with air level (33).
3. A urea filling machine calibration device according to claim 2, characterized in that: first measurement neck (9) are equipped with first liquid level pipe (18), second measurement neck (10) are equipped with second liquid level pipe (19), first liquid level pipe (18) are equipped with first scale (20), second liquid level pipe (19) are equipped with second scale (21).
4. A urea filling machine calibration device according to claim 3, characterized in that: first scale (20) are equipped with first zero-bit indicator (11), second scale (21) are equipped with second zero-bit indicator (12), first zero-bit indicator (11) sliding in first scale (20), second zero-bit indicator (12) sliding in second scale (21).
5. A urea dispenser calibration device according to claim 1, characterized in that: the first measuring device (3) is provided with a first lower bottom surface inclined, the first lower bottom surface is provided with a first liquid discharge hole, the first liquid discharge hole is sleeved with a first liquid discharge valve (13), the second measuring device (4) is provided with a second lower bottom surface inclined, the second lower bottom surface is provided with a second liquid discharge hole, the second liquid discharge hole is sleeved with a second liquid discharge valve (14), and the first liquid discharge valve (13) and the second liquid discharge valve (14) are communicated with the liquid storage device (15) through a guide pipe.
6. A urea filling machine calibration device according to claim 2, characterized in that: a first liquid level meter (22) is arranged inside the first metering neck (9), and a second liquid level meter (23) is arranged inside the second metering neck (10).
7. A urea dispenser calibration device according to claim 1, characterized in that: liquid reservoir (15) are kept away from ground one side and are equipped with liquid level alarm (16), liquid level alarm (16) are equipped with third level gauge (24), bottom surface under liquid reservoir (15) is equipped with the third of slope, the bottom surface is equipped with back liquid hole under the third, it has liquid valve (17) to return the liquid hole cover.
8. A urea filling machine calibration device according to claim 1, characterized in that: the side wall of the first measuring device (3) is provided with a first thermometer (25), and the side wall of the second measuring device (4) is provided with a second thermometer (26).
9. A urea filling machine calibration device according to claim 1, characterized in that: the measuring device (1) is provided with two pairs of supporting legs (27), and the lower ends of the supporting legs (27) are provided with leveling devices (28) and fastening devices (29).
10. A urea filling machine calibration device according to claim 1, characterized in that: the utility model discloses a measuring device, including shell (2), first measuring vessel (3), second measuring vessel (4), first measuring vessel (3) and second measuring vessel (4) are equipped with observation window (30), the shell inboard is equipped with the heat preservation, shell (2) lateral wall is equipped with two access doors (31), the shell lateral wall is equipped with one exhaust hole (32), and measuring device passes through with the external world the exhaust hole switches on.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222146026.XU CN218403670U (en) | 2022-08-15 | 2022-08-15 | Urea filling machine calibrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222146026.XU CN218403670U (en) | 2022-08-15 | 2022-08-15 | Urea filling machine calibrating device |
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| CN218403670U true CN218403670U (en) | 2023-01-31 |
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| CN202222146026.XU Active CN218403670U (en) | 2022-08-15 | 2022-08-15 | Urea filling machine calibrating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117208283A (en) * | 2023-11-08 | 2023-12-12 | 湖南省计量检测研究院 | Method and device for correcting metering setting flow of filling machine |
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2022
- 2022-08-15 CN CN202222146026.XU patent/CN218403670U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117208283A (en) * | 2023-11-08 | 2023-12-12 | 湖南省计量检测研究院 | Method and device for correcting metering setting flow of filling machine |
| CN117208283B (en) * | 2023-11-08 | 2024-02-06 | 湖南省计量检测研究院 | Method and device for correcting metering setting flow of filling machine |
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