CN217796048U - Automatic control system for urea metering and distribution - Google Patents
Automatic control system for urea metering and distribution Download PDFInfo
- Publication number
- CN217796048U CN217796048U CN202221464078.5U CN202221464078U CN217796048U CN 217796048 U CN217796048 U CN 217796048U CN 202221464078 U CN202221464078 U CN 202221464078U CN 217796048 U CN217796048 U CN 217796048U
- Authority
- CN
- China
- Prior art keywords
- urea
- valve
- pipe
- control system
- automatic control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a urea measurement distribution automatic control system, wherein, urea measurement distribution automatic control system includes water tank, urea solution holding vessel, air tank, the inside of water tank is provided with the water pump, the output of water pump is connected with the flushing pipe, the liquid outlet of urea solution holding vessel is provided with the second trip valve, the liquid outlet fixedly connected with urea pipe of urea solution holding vessel, the flushing pipe is connected with urea pipe, urea pipe's inside is provided with the governing valve, air tank's gas outlet is provided with first cut-off valve, air tank's gas outlet fixedly connected with air hose, one side of air hose, urea pipe all is connected with the pyrolysis oven, the outer fixed surface of pyrolysis oven is connected with the PLC controller, states PLC controller and first cut-off valve, second trip valve, water pump, governing valve electric connection. Through the structure, the self-control of the urea flow is realized.
Description
Technical Field
The utility model relates to a urea pyrolysis oven technical field, in particular to urea measurement distribution automatic control system.
Background
Urea is a colorless or white, non-toxic, harmless chemical, and easy to transport and store. Therefore, it is currently being used in an expanding manner as a raw material for ammonia production and is gaining popularity. The urea is used as a denitration reducing agent, and the ammonia gas which is decomposed and prepared by special pyrolysis equipment is used as the reducing agent.
In the use process of the existing pyrolysis furnace, the flow of urea can not be controlled, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problem that exists among the prior art at least, provide urea measurement distribution automatic control system, main innovation point:
through setting the regulating valve, the regulating valve can be set to be a fixed valve port opening or the opening of the self-regulating valve port can be set according to the flow, so that the self-control of the urea flow is realized.
The utility model discloses still provide and have above-mentioned urea measurement distribution automatic control system, include: water tank, urea solution holding vessel, air tank, the inside of water tank is provided with the water pump, the output of water pump is connected with the flushing pipe, the liquid outlet of urea solution holding vessel is provided with the second trip valve, the liquid outlet fixedly connected with urea pipe of urea solution holding vessel, the inside of urea pipe is provided with the governing valve, the gas outlet of air tank is provided with first cut-off valve, the gas outlet fixedly connected with air hose of air tank, one side of air hose, urea pipe all is connected with the pyrolysis oven, the fixed surface of pyrolysis oven is connected with the PLC controller.
According to the utility model discloses an aspect provides urea measurement distribution automatic control system, the flushing pipe is connected with the urea pipe. Has the advantages that: the water in the washing pipe can wash the urea pipe, and the service life of the urea pipe is prolonged.
According to the utility model discloses an aspect provides urea measurement distribution automatic control system, PLC controller and first trip valve, second trip valve, water pump, governing valve electric connection.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a schematic flow chart of an automatic control system for urea metering and distribution provided by the present invention;
fig. 2 is a schematic view of the overall flow of the automatic control system for urea metering and distribution provided by the present invention.
Illustration of the drawings:
1. a PLC controller; 2. a first shut-off valve; 3. a second shut-off valve; 4. a water pump; 5. a water tank; 6. a urea solution storage tank; 7. an air tank; 8. an air tube; 9. a pyrolysis furnace; 10. a flush tube; 11. a urea pipe; 12. and adjusting the valve.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
Referring to fig. 1-2, the embodiment of the utility model provides a urea measurement distribution automatic control system, it includes water tank 5, urea solution holding vessel 6, air tank 7, the inside of water tank 5 is provided with water pump 4, water pump 4 draws water, the output of water pump 4 is connected with wash pipe 10, the liquid outlet of urea solution holding vessel 6 is provided with second trip valve 3, whether control urea flows out, the liquid outlet fixedly connected with urea pipe 11 of urea solution holding vessel 6, the inside of urea pipe 11 is provided with governing valve 12, through setting up governing valve 12, governing valve 12 can set for fixed valve port aperture or set for the aperture of self-regulating valve port according to the flow, realize the self-control to the urea flow, the gas outlet of air tank 7 is provided with first shut-off valve 2, the gas outlet fixedly connected with air hose 8 of air tank 7, air hose 8, one side of urea pipe 11 all is connected with pyrolysis oven 9, pyrolysis oven 9's outer fixed surface is connected with PLC controller 1.
The working principle is as follows: when the automatic control system for urea metering and distribution is used, the PLC 1 controls the opening of the first cut-off valve 2, air in the air tank 7 enters the pyrolysis furnace 9 types through the air pipe 8, the PLC 1 controls the opening of the second cut-off valve 3, urea in the urea solution storage tank 6 enters the urea pipe 11, the PLC 1 controls the opening of the regulating valve 12, the amount of the urea entering the pyrolysis furnace 9 is controlled, and pyrolysis is carried out through the pyrolysis furnace 9; after use, when the second shut-off valve 3 of the urea pipe 11 is closed, the PLC controller 1 controls the water pump 4 to be opened, the water pump 4 pumps water in the water tank 5 into the flushing pipe 10, and the water in the flushing pipe 10 enters the urea pipe 11 for cleaning.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. Urea measurement distribution automatic control system, its characterized in that includes: water tank (5), urea solution holding vessel (6), air tank (7), the inside of water tank (5) is provided with water pump (4), the output of water pump (4) is connected with flushing pipe (10), the liquid outlet of urea solution holding vessel (6) is provided with second trip valve (3), the liquid outlet fixedly connected with urea pipe (11) of urea solution holding vessel (6), the inside of urea pipe (11) is provided with governing valve (12), the gas outlet of air tank (7) is provided with first shut-off valve (2), the gas outlet fixedly connected with air hose (8) of air tank (7), one side of air hose (8), urea pipe (11) all is connected with pyrolysis oven (9), the outer fixed surface of pyrolysis oven (9) is connected with PLC controller (1).
2. Automatic control system for urea dosing according to claim 1, characterized in that said flush pipe (10) is connected to a urea pipe (11).
3. The automatic control system for urea metering and distributing according to claim 1, wherein the PLC (1) is electrically connected with the first cut-off valve (2), the second cut-off valve (3), the water pump (4) and the regulating valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221464078.5U CN217796048U (en) | 2022-06-13 | 2022-06-13 | Automatic control system for urea metering and distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221464078.5U CN217796048U (en) | 2022-06-13 | 2022-06-13 | Automatic control system for urea metering and distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217796048U true CN217796048U (en) | 2022-11-15 |
Family
ID=83992875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221464078.5U Active CN217796048U (en) | 2022-06-13 | 2022-06-13 | Automatic control system for urea metering and distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217796048U (en) |
-
2022
- 2022-06-13 CN CN202221464078.5U patent/CN217796048U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103127963A (en) | On-line regeneration system and method of flue gas denitration catalyst | |
| CN204352751U (en) | The SNCR denitration device of the compatible ammoniacal liquor of a kind of urea | |
| CN217796048U (en) | Automatic control system for urea metering and distribution | |
| CN208436504U (en) | Integrated geothermal tail water recharge filter device | |
| CN207269361U (en) | A kind of aqueous vapor integration irrigation system | |
| CN205463370U (en) | Aeroengine cleaning system | |
| CN103590451A (en) | Tail end supercharging device applied to pipeline network of tap water | |
| CN204563920U (en) | A kind of medium small boiler SNCR denitration system | |
| CN204543971U (en) | A kind of SNCR denitration device | |
| CN201137956Y (en) | Air source box dispensers | |
| CN206707811U (en) | Aqueous solution of urea metering jetting device | |
| CN206823528U (en) | Gravity flow SNCR denitration system | |
| CN206262345U (en) | A kind of SNCR denitration system for garbage power | |
| CN214319791U (en) | Silicon rod cleaning solution preparation system | |
| CN209952572U (en) | Denitration integrated device | |
| CN202336938U (en) | Dry-mixing mortar storage tank | |
| CN208493854U (en) | It is a kind of to use negative pressure of vacuum principle mixing cleaning solution, the device of water and air | |
| CN209810022U (en) | Ammonia distribution device and generator set with same | |
| CN205412699U (en) | Big proportioning device of salt solution in batches | |
| CN204550217U (en) | Frequency conversion Pressure behaviour oxygen-increasing device | |
| CN210085398U (en) | Adding device of natural gas synergist | |
| CN214020611U (en) | Automatic proportioning system of tire separant | |
| CN110585938A (en) | Device for mixing cleaning solution, water and air by using vacuum negative pressure principle | |
| CN213886116U (en) | Feeding system for catalytic resin of reaction tower | |
| CN209735493U (en) | Intelligent stirring device for electrolyte |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |