CN219209798U - Metering type tail gas purifying liquid preparation tank - Google Patents
Metering type tail gas purifying liquid preparation tank Download PDFInfo
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- CN219209798U CN219209798U CN202223444456.6U CN202223444456U CN219209798U CN 219209798 U CN219209798 U CN 219209798U CN 202223444456 U CN202223444456 U CN 202223444456U CN 219209798 U CN219209798 U CN 219209798U
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- urea feeding
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The utility model relates to the technical field of tail gas purifying liquid preparation, in particular to a metering type tail gas purifying liquid preparation tank. The technical scheme is provided as follows mainly aiming at the problem that the quantitative feeding of the high-purity urea is difficult to accurately carry out in pipeline transportation: the high-purity urea feeding device comprises a mixing tank and a high-purity urea feeding tank, wherein the high-purity urea feeding tank is fixedly arranged on the outer side wall of the mixing tank; a quantifying mechanism is arranged in the high-purity urea feeding tank; the quantifying mechanism comprises a conical partition plate, a sealing plug plate, a floating plate, a connecting rod and a pipeline valve; the conical partition plate is fixed in the middle of the high-purity urea feeding tank and divides the inner cavity of the high-purity urea feeding tank into an upper cavity and a lower cavity; the conical partition plate is conical, and a material opening is formed in the top of the conical partition plate; according to the utility model, before raw materials for preparing the tail gas purifying liquid are mixed, the floating plate can be utilized to drive the sealing plug plate to seal the feed inlet on the conical partition plate, so that the high-purity urea solution quantitatively enters the mixing tank, manual metering is not needed, and the operation is more convenient.
Description
Technical Field
The utility model relates to the technical field of tail gas purifying liquid preparation, in particular to a metering type tail gas purifying liquid preparation tank.
Background
The tail gas purifying liquid is generally called as vehicle urea in China, and the vehicle urea mainly performs oxidation-reduction reaction with nitrogen oxides in the tail gas of a diesel engine to generate pollution-free nitrogen and water vapor which are then discharged into the atmosphere; in the process of preparing the tail gas purifying liquid, a mixing tank is often required to be used for mixing high-purity urea and deionized water;
through investigation, "a mixing stirring device for tail gas purifying liquid processing" with publication number of CN211562767U "is mainly characterized in that a mixing plate is arranged at a feed hopper, and a labyrinth passage is arranged in the mixing plate, so that various liquid materials entering from a feed inlet can be primarily mixed by the mixing plate, the efficiency is improved, however, before mixing, the high-purity urea enters a mixing tank without any quantitative structure for assistance, and the high-purity urea and deionized water are required to be added in a certain proportion in the preparation of the tail gas purifying liquid, so that the high-purity urea and the deionized water are required to be measured and then poured into the mixing tank, and each mixing is required to be measured, so that the operation is troublesome and mass production cannot be realized.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a metering type tail gas purifying liquid preparation tank.
The technical scheme of the utility model is as follows: the metering type tail gas purifying liquid preparation tank comprises a mixing tank and a high-purity urea feeding tank, wherein the high-purity urea feeding tank is fixedly arranged on the outer side wall of the mixing tank; a quantifying mechanism is arranged in the high-purity urea feeding tank; the quantifying mechanism comprises a conical partition plate, a sealing plug plate, a floating plate, a connecting rod and a pipeline valve; the conical partition plate is fixed in the middle of the high-purity urea feeding tank and divides the inner cavity of the high-purity urea feeding tank into an upper cavity and a lower cavity; the conical partition plate is conical, and a material opening is formed in the top of the conical partition plate; a sealing plug plate capable of moving up and down is arranged in a lower cavity of the high-purity urea charging tank, the sealing plug plate is conical, and the upper conical surface of the sealing plug plate is matched with the lower conical surface of the conical partition plate; the lower end of the sealing plug plate is fixedly provided with a floating plate, and the outer diameters of the sealing plug plate and the floating plate are smaller than the inner diameter of the lower cavity of the high-purity urea feeding tank; the top of the sealing plug plate is fixedly provided with a connecting rod, the upper part of the connecting rod sequentially passes through the top wall of the high-purity urea feeding tank and the top wall of the high-purity urea feeding tank upwards and is positioned outside the high-purity urea feeding tank, and the connecting rod is in sealing connection with the top wall of the high-purity urea feeding tank; the upper part of the upper cavity of the high-purity urea feeding tank is provided with a material conveying pipe, and the bottom of the lower cavity of the high-purity urea feeding tank is provided with a material feeding pipe communicated with the mixing tank; pipeline valves are respectively arranged on the material conveying pipe and the material feeding pipe.
Preferably, an inverted cone-shaped guide funnel is arranged in the upper cavity of the high-purity urea feeding tank, and the lower port of the guide funnel is positioned at the material opening of the cone-shaped baffle plate; or, the side wall of the high-purity urea feeding tank aligned with the bottom of the conical partition plate is provided with an outer overflow pipe, and a collecting cup is arranged outside the high-purity urea feeding tank below the outer overflow pipe.
Preferably, an observation window is formed in the outer side wall of the charging bucket.
Preferably, the pipeline valve is an electromagnetic pipeline valve; a linear sensor is arranged at the top of the high-purity urea feeding tank, and the trigger end of the linear sensor is connected with a connecting rod; a controller capable of controlling the electromagnetic electric control valve is arranged on the mixing tank, and the signal output end of the linear sensor is electrically connected with the signal input end of the controller; the signal output end of the controller is respectively and electrically connected with the signal input ends of the electromagnetic pipeline valve of the conveying pipe and the electromagnetic pipeline valve of the feeding pipe.
Preferably, the lower end of the sealing plug plate is circumferentially fixed with at least two limiting rods, the floating plate is fixedly arranged on the upper parts of the limiting rods, and the bottom of the limiting rods is fixedly provided with a bottom plate; the floating plate and the bottom plate are spaced with a distance.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the utility model, before raw materials for preparing the tail gas purifying liquid are mixed, the floating plate can be utilized to drive the sealing plug plate to seal the feed inlet on the conical partition plate, so that the high-purity urea solution quantitatively enters the mixing tank, manual metering is not needed, and the operation is more convenient.
Drawings
FIG. 1 is a schematic view of the internal cutaway structure of a front face upper bucket of the present utility model;
FIG. 2 is a schematic view of the appearance and structure of the charging bucket of the present utility model;
FIG. 3 is a schematic view of the combined appearance of the conical partition and the guide sleeve according to the present utility model;
fig. 4 is a schematic view showing the external appearance of the connection between the sealing plug plate and the bottom plate.
Reference numerals: 1. a mixing tank; 2. a high-purity urea feeding tank; 3. a material conveying pipe; 4. a feed pipe; 5. a conical partition; 6. sealing the plug plate; 7. a floating plate; 8. a connecting rod; 9. a threaded rod; 10. a limit rod; 11. a bottom plate; 12. a diversion funnel; 13. an outer overflow pipe; 14. a collection cup; 15. an observation window; 16. a linear sensor; 17. a conduit valve; 18. a handle.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1-3, the metering type tail gas purifying liquid preparation tank provided by the utility model comprises a mixing tank and a high-purity urea feeding tank 2, wherein the high-purity urea feeding tank 2 is fixedly arranged on the outer side wall of the mixing tank 1; a quantifying mechanism is arranged in the high-purity urea feeding tank 2; the quantifying mechanism comprises a conical partition plate 5, a sealing plug plate 6, a floating plate 7, a connecting rod 8 and a pipeline valve 17; the conical partition board 5 is fixed in the middle of the high-purity urea feeding tank 2, and divides the inner cavity of the high-purity urea feeding tank 2 into an upper cavity and a lower cavity; the conical partition board 5 is conical, and a material opening is formed in the top of the conical partition board 5; a sealing plug plate 6 capable of moving up and down is arranged in a lower cavity of the high-purity urea charging tank 2, the sealing plug plate 6 is conical, and the upper conical surface of the sealing plug plate 6 is matched with the lower conical surface of the conical partition plate 5; the lower end of the sealing plug plate 6 is fixedly provided with a floating plate 7, and the outer diameters of the sealing plug plate 6 and the floating plate 7 are smaller than the inner diameter of the lower cavity of the high-purity urea feeding tank 2; the top of the sealing plug plate 6 is fixedly provided with a connecting rod 8, the upper part of the connecting rod 8 sequentially passes through the material inlet and the top wall of the high-purity urea feeding tank 2 upwards and is positioned outside the high-purity urea feeding tank 2, and the connecting rod 8 is in sealing connection with the top wall of the high-purity urea feeding tank 2; the upper part of the upper cavity of the high-purity urea feeding tank 2 is provided with a material conveying pipe 3, and the bottom of the lower cavity of the high-purity urea feeding tank 2 is provided with a material feeding pipe 4 communicated with the mixing tank 1; pipeline valves 17 are respectively arranged on the material conveying pipe 3 and the material feeding pipe 4.
When in use, the pipeline valve 17 of the conveying pipeline 3 is opened, high-purity urea is conveyed into the high-purity urea feeding tank through the conveying pipeline 3, and the high-purity urea enters the lower cavity of the high-purity urea feeding tank 2 through the material port; along with the rising of the liquid level, the floating plate 7 floats upwards and drives the sealing plug plate 6 until the sealing plug plate 6 plugs the material opening of the conical partition plate 5, after the addition amount of the high-purity urea is stabilized, the pipeline valve 17 of the conveying pipeline 3 is closed, the pipeline valve 17 of the feeding pipe 4 is opened, and the high-purity urea can quantitatively enter the mixing tank; manual metering is omitted, and operation is more convenient.
As shown in fig. 1-3, an inverted cone-shaped guide funnel 12 is arranged in the upper cavity of the high-purity urea feeding tank 2, and the lower port of the guide funnel 12 is positioned at the material opening of the cone-shaped baffle plate 5; or, the side wall of the high-purity urea feeding tank 2 aligned with the bottom of the conical partition plate 5 is provided with an overflow pipe 13, and the high-purity urea feeding tank 2 below the overflow pipe 13 is provided with a collecting cup 14. The guide funnel 12 plays a role in guiding flow, and the overflow pipe 13 and the collecting cup 14 are used for recycling the high-purity urea in the upper cavity of the high-purity urea feeding tank 2; the diversion funnel 12, the overflow pipe 13 and the collecting cup 14 can be used at the same time; can also be used separately, and can achieve the purposes of avoiding the waste of the high-purity urea and saving the high-purity urea.
In order to improve the sealing effect, as shown in fig. 1-3, an observation window 15 is formed on the outer side wall of the charging bucket 2.
As shown in fig. 1-3, the conduit valve 17 is a solenoid conduit valve; a linear sensor 16 is arranged at the top of the high-purity urea feeding tank 2, and the triggering end of the linear sensor 16 is connected with a connecting rod 8; a controller capable of controlling the electromagnetic electric control valve is arranged on the mixing tank 1, and the signal output end of the linear sensor 16 is electrically connected with the signal input end of the controller; the signal output end of the controller is respectively and electrically connected with the electromagnetic pipeline valve 17 of the conveying pipeline 3 and the signal input end of the electromagnetic pipeline valve 17 of the feeding pipe 4.
The linear sensor 16 is a sensor that measures the linearity of the device as is known in the art; in the utility model, the linear sensor 16 converts the lifting linear change of the connecting rod 8 into an electric signal to be transmitted to the controller, and after the controller carries out logic judgment and analysis, the executing signal is transmitted to the electromagnetic pipeline valve of the conveying pipeline 3 and the electromagnetic pipeline valve of the feeding pipe 4 to be used for controlling the opening and closing of the electromagnetic pipeline valve of the conveying pipeline 3 and the electromagnetic pipeline valve of the feeding pipe 4.
In the embodiment, when the floating plate 7 and the sealing plug plate 6 are positioned at the bottom of the high-purity urea feeding tank 2, the linear sensor 16 detects that the connecting rod 8 is positioned at the lower limit, and at the moment, the controller receives an electric signal of the linear sensor 16 and sends out a control signal for opening the electromagnetic pipeline valve 17 of the feeding pipe 3 and closing the electromagnetic pipeline valve 17 of the feeding pipe 4; high-purity urea is injected into the high-purity urea feeding tank 2 through the material conveying pipe 3; along with the floating plate 7 and the sealing plug plate 6 float upwards, the sealing plug plate 6 seals the material opening of the conical partition plate 5, the linear sensor 16 is positioned at the upper limit position, at the moment, the controller receives an electric signal of the linear sensor 16, and sends out a control signal of an electromagnetic pipeline valve for closing the material conveying pipe 3 and an electromagnetic pipeline valve for opening the material inlet pipe 4, so that high-purity urea is injected into the mixing tank 1, and automatic quantitative feeding is realized, and labor is saved; thereby realizing automatic self-proportioning production of the tail gas purifying liquid.
Example two
As shown in fig. 1, 2 and 4, the present utility model provides a metering type exhaust gas purifying liquid preparing tank, which is further improved based on the first embodiment,
at least two limiting rods 10 are fixed at the lower end of the sealing plug plate 6 along the circumference, the floating plate 7 is fixedly arranged at the upper part of the limiting rods 10, and a bottom plate 11 is fixed at the bottom of the limiting rods 10; the floating plate 7 is spaced from the bottom plate 11 by a distance. Therefore, the situation that the floating plate 7 is stuck to the bottom of the high-purity urea feeding tank 2 and cannot float can be avoided, and the use reliability is improved.
As shown in fig. 1-3, the top end of the connecting rod 8 is fixed with a threaded rod 9, and the threaded rod 9 is provided with a handle 18 through threads.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (6)
1. The metering type tail gas purifying liquid preparation tank is characterized by comprising a mixing tank and a high-purity urea feeding tank (2), wherein the high-purity urea feeding tank (2) is fixedly arranged on the outer side wall of the mixing tank (1); a quantifying mechanism is arranged in the high-purity urea feeding tank (2); the quantifying mechanism comprises a conical partition plate (5), a sealing plug plate (6), a floating plate (7), a connecting rod (8) and a pipeline valve (17); the conical partition plate (5) is fixed in the middle of the high-purity urea feeding tank (2) and divides the inner cavity of the high-purity urea feeding tank (2) into an upper cavity and a lower cavity; the conical partition board (5) is conical, and a material opening is formed in the top of the conical partition board (5); a sealing plug plate (6) capable of moving up and down is arranged in a lower cavity of the high-purity urea feeding tank (2), the sealing plug plate (6) is conical, and the upper conical surface of the sealing plug plate (6) is matched with the lower conical surface of the conical partition plate (5); the lower end of the sealing plug plate (6) is fixedly provided with a floating plate (7), and the outer diameters of the sealing plug plate (6) and the floating plate (7) are smaller than the inner diameter of the lower cavity of the high-purity urea feeding tank (2); the top of the sealing plug plate (6) is fixedly provided with a connecting rod (8), the upper part of the connecting rod (8) sequentially passes through the material inlet and the top wall of the high-purity urea feeding tank (2) upwards and is positioned outside the high-purity urea feeding tank (2), and the connecting rod (8) is in sealing connection with the top wall of the high-purity urea feeding tank (2); the upper part of the upper cavity of the high-purity urea feeding tank (2) is provided with a material conveying pipe (3), and the bottom of the lower cavity of the high-purity urea feeding tank (2) is provided with a material feeding pipe (4) communicated with the mixing tank (1); the conveying pipe (3) and the feeding pipe (4)
And pipeline valves (17) are respectively arranged on the two pipelines.
2. The metering type tail gas purifying liquid preparation tank as claimed in claim 1, wherein an inverted cone-shaped guide funnel (12) is arranged in the upper cavity of the high-purity urea feeding tank (2), and the lower port of the guide funnel (12) is positioned at the material port of the cone-shaped baffle plate (5); or, the side wall of the high-purity urea feeding tank (2) aligned with the bottom of the conical partition plate (5) is provided with an overflow pipe (13), and the high-purity urea feeding tank (2) below the overflow pipe (13) is externally provided with a collecting cup (14).
3. The metering type tail gas purifying liquid preparing tank as claimed in claim 2, wherein an observation window (15) is arranged on the outer side wall of the feeding tank (2).
4. A metering type exhaust gas purifying liquid preparing tank as claimed in claim 1, wherein the pipeline valve (17) is an electromagnetic pipeline valve; a linear sensor (16) is arranged at the top of the high-purity urea feeding tank (2), and the trigger end of the linear sensor (16) is connected with a connecting rod (8); a controller capable of controlling the electromagnetic electric control valve is arranged on the mixing tank (1), and the signal output end of the linear sensor (16) is electrically connected with the signal input end of the controller; the signal output end of the controller is respectively and electrically connected with the signal input ends of the electromagnetic pipeline valve (17) of the conveying pipe (3) and the electromagnetic pipeline valve (17) of the feeding pipe (4).
5. The metering type tail gas purifying liquid preparing tank as claimed in claim 1 or 2 or 3 or 4, wherein the lower end of the sealing plug plate (6) is fixedly provided with at least two limit rods (10) along the circumference, the floating plate (7) is fixedly arranged on the upper part of the limit rods (10), and the bottom of the limit rods (10) is fixedly provided with a bottom plate (11); a space is arranged between the floating plate (7) and the bottom plate (11).
6. The metering type tail gas purifying liquid preparing tank as claimed in claim 5, wherein a threaded rod (9) is fixed at the top end of the connecting rod (8), and a handle (18) is arranged on the threaded rod (9) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223444456.6U CN219209798U (en) | 2022-12-22 | 2022-12-22 | Metering type tail gas purifying liquid preparation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223444456.6U CN219209798U (en) | 2022-12-22 | 2022-12-22 | Metering type tail gas purifying liquid preparation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219209798U true CN219209798U (en) | 2023-06-20 |
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ID=86735233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223444456.6U Active CN219209798U (en) | 2022-12-22 | 2022-12-22 | Metering type tail gas purifying liquid preparation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219209798U (en) |
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2022
- 2022-12-22 CN CN202223444456.6U patent/CN219209798U/en active Active
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