CN211514104U - Metering and conveying integrated device for quickly dissolving urea - Google Patents
Metering and conveying integrated device for quickly dissolving urea Download PDFInfo
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- CN211514104U CN211514104U CN201922310046.4U CN201922310046U CN211514104U CN 211514104 U CN211514104 U CN 211514104U CN 201922310046 U CN201922310046 U CN 201922310046U CN 211514104 U CN211514104 U CN 211514104U
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Abstract
The utility model discloses a metering and conveying integrated device for rapidly dissolving urea, which comprises a feeding device, a dissolving device, a conveying device and a control device; the dissolving device is located below the feeding device to receive urea particles supplied by the feeding device, the urea particles are quickly dissolved and stored, finally the urea particles are conveyed through the conveying device, and the control device is electrically connected with the feeding device, the conveying device and the subsequent denitration device respectively to achieve the control purpose. Compared with the traditional device, the metering and conveying integrated device for quickly dissolving urea disclosed by the utility model has the advantages that on one hand, the structure is more simplified, the occupied area is smaller, and the investment cost is lower; on the other hand, the metering of the concentration of the urea solution can be realized under the control action of the control device.
Description
Technical Field
The utility model relates to a urea dissolves and carries technical field, specifically is a measurement transport integrated device for dissolve urea fast.
Background
The urea dissolving and conveying device is an important component in the flue gas denitration process, so that the service performance and the investment cost of the urea dissolving and conveying device are important subjects for the research of technicians.
The traditional urea dissolving and conveying device comprises a urea dissolving tank, a stirrer, a urea solution transfer pump, a large urea solution storage tank, a urea solution conveying pump, a dilution water pump, a urea solution dilution metering device and the like; the equipment for dissolving, storing, metering and conveying urea has complex structure, large occupied area and higher investment in terms of purchasing cost and operating cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integrated device is carried in measurement for dissolve urea fast to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an integrated metering delivery device for rapidly dissolving urea, comprising: the device comprises a feeding device, a dissolving device, a conveying device and a control device;
the dissolving device is positioned below the feeding device and comprises a feeding device, a dissolving device, a conveying device and a control device;
the dissolving device is positioned below the feeding device and comprises a dissolving barrel, a liquid storage barrel, a filter screen, a hot water pipe and a ball float valve;
a feed inlet is formed in the top of the dissolving barrel, and corresponds to the discharge outlet of the feeding device;
the liquid storage barrel is arranged at the bottom of the dissolving barrel and is communicated with the dissolving barrel;
the filter screen is arranged at the communication position of the dissolving barrel and the liquid storage barrel;
one end of the hot water pipe is communicated with the dissolving barrel, and the other end of the hot water pipe is communicated with a hot water supply device;
the ball float valve is arranged inside the dissolving barrel and is used for controlling the on-off of the hot water pipe;
the conveying device comprises a first conveying pipe, a first conveying pump, a discharge pipe and a return pipe;
one end of the first conveying pipe is communicated with the liquid storage barrel, and the other end of the first conveying pipe is communicated with a liquid inlet of the first conveying pump;
one end of the discharge pipe is communicated with a liquid outlet of the first conveying pump, and the other end of the discharge pipe is communicated with the denitration device;
one end of the return pipe is communicated with the discharge pipe, and the other end of the return pipe is communicated with the dissolution barrel through the side wall of the dissolution barrel;
the control device is respectively electrically connected with the feeding device, the first conveying pump and the denitration device.
Preferably, the feeding device is arranged at the top of the mounting frame, and the dissolving device, the conveying device and the control device are arranged inside the mounting frame.
Preferably, the feeding device comprises a storage bin and a feeding machine; the storage bin is fixed at the top of the mounting frame, part of the storage bin extends out of the mounting frame, the storage bin is of a conical structure with an upper opening and a lower opening, and the storage bin is vertically arranged; the feeder is installed in the mounting bracket, the feed inlet of the feeder is communicated with the bottom of the storage bin, the discharge hole of the feeder is the discharge hole of the feeding device, and the feeder is electrically connected with the control device.
Preferably, the feeding machine is a variable frequency feeding machine.
Preferably, an operating platform is arranged on the top of the mounting frame, and the operating platform is arranged adjacent to the storage bin.
Preferably, the conveying device further comprises a second conveying pipe and a second conveying pump; one end of the second conveying pipe is communicated with the liquid storage barrel, and the other end of the second conveying pipe is communicated with a liquid inlet of the second conveying pump; and a liquid outlet of the second conveying pump is communicated with the discharge pipe, and the second conveying pump is electrically connected with the control device.
Preferably, the return pipe is further provided with a pressure gauge for monitoring the pressure of the liquid in the return pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pair of integrated device is carried in measurement for dissolve urea fast, on the one hand, through drawing forth a back flow on the discharge pipe to communicate back flow and the lateral part of dissolving the bucket, make urea solution can flow back to dissolving the bucket from dissolving the side of bucket, the high-speed whirl that produces through tangential effort can accelerate dissolving of urea, can replace the agitator in the traditional structure, not only simplify the structure of device, but also reduced the input cost; on the other hand, the dissolving device has small volume, and can reduce the floor area of equipment; on the other hand, the control device can control the working frequency of the feeding device, so that the urea particles are dissolved immediately and the concentration of the urea solution is adjusted immediately, and the concentration of the urea solution is measured.
Drawings
Fig. 1 is a schematic structural diagram of a metering and conveying integrated device for rapidly dissolving urea provided by the present invention;
fig. 2 is a schematic structural diagram of a dissolving device in a metering and conveying integrated device for rapidly dissolving urea at a first viewing angle according to the present invention.
In the figure: 100-a feeding device; 110-a storage bin; 120-a feeder; 200-a dissolving device; 210-a dissolution tank; 220-liquid storage barrel; 230-a filter screen; 240-hot water pipe; 250-a ball float valve; 300-a conveying device; 310-a first delivery tube; 320-a first delivery pump; 330-a discharge pipe; 340-a return pipe; 341-pressure gauge; 400-a control device; 500-mounting frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 shows a schematic structural diagram of a metering and conveying integrated device for rapidly dissolving urea provided by the present invention; fig. 2 shows a schematic structural diagram of a dissolving device in a metering and conveying integrated device for rapidly dissolving urea at a first view angle, according to the present invention.
Specifically, as shown in fig. 1 and fig. 2, the utility model provides an integrated device is carried in measurement for quick dissolving urea, include: comprises a feeding device 100, a dissolving device 200, a conveying device 300 and a control device 400; the dissolving device 200 is positioned below the feeding device 100, and the dissolving device 200 comprises a dissolving barrel 210, a liquid storage barrel 220, a filter screen 230, a hot water pipe 240 and a ball float valve 250; a feed inlet is formed in the top of the dissolving barrel 210, and the feed inlet of the dissolving barrel 210 corresponds to the discharge outlet of the feeding device 100; the liquid storage barrel 220 is arranged at the bottom of the dissolving barrel 210 and is communicated with the dissolving barrel 210; the filter screen 230 is arranged at the communication position of the dissolving barrel 210 and the liquid storage barrel 220; one end of the hot water pipe 240 is communicated with the dissolving tub 210, and the other end is communicated with a hot water supply device; the ball float valve 250 is arranged inside the dissolving tank 210 and is used for controlling the on-off of the hot water pipe 240; the delivery device 300 comprises a first delivery pipe 310, a first delivery pump 320, a discharge pipe 330 and a return pipe 340; one end of the first delivery pipe 310 is communicated with the liquid storage barrel 220, and the other end is communicated with a liquid inlet of the first delivery pump 320; one end of the discharge pipe 330 is communicated with a liquid outlet of the first conveying pump 320, and the other end is communicated with the denitration device; one end of the return pipe 340 is communicated with the discharge pipe 330, and the other end is communicated with the dissolving bucket 210 through the side wall thereof; the control device 400 is electrically connected to the feeding device 100, the first transfer pump 320, and the denitration device, respectively.
In the technical scheme, the utility model provides a metering and conveying integrated device for quickly dissolving urea, which is a device for conveying urea solution in a flue gas denitration process; wherein the feeding device 100 is a device for feeding urea granules; the dissolving apparatus 200 may be an integral structure or a separate structure, and in this embodiment, the integral structure is exemplified; the dissolving device 200 is a cylindrical barrel structure, the upper part of the dissolving device is a dissolving tank 210, the top of the dissolving tank 210 is an opening structure and is used for receiving urea particles supplied by the feeding device 100, and the urea particles are dissolved in the dissolving tank 210; the lower part is a liquid storage barrel 220, the liquid storage barrel 220 is used for storing urea solution, a partition plate is arranged between the liquid storage barrel 220 and the dissolving barrel 210, a circular through hole for the urea solution to flow is formed in the partition plate, a filter screen 230 is arranged in the through hole, the filter screen 230 is also of a cylindrical tubular structure, and the filter screen 230 is vertically arranged in the dissolving barrel 210; through will dissolving bucket 210 and stock solution bucket 220 design for upper and lower structure, can be so that urea granule dissolves into urea solution after, in direct flow stock solution bucket 220 under the action of gravity, replaced and dissolved bucket 210 and stock solution bucket 220 design for the components of a whole that can function independently structure in the traditional structure, need pass through the pipe connection to carry out the complex construction that transmits through urea solution transfer pump, the utility model provides a dissolving device 200 simple structure, it is small, do not occupy unnecessary space, practiced thrift investment cost.
One end of the hot water pipe 240 is connected to an external hot water supply device, and the other end extends into the dissolving tank 210, and hot water is delivered into the dissolving tank 210 through the hot water pipe 240 to dissolve urea particles in the dissolving tank 210; the ball float valve 250 is positioned in the dissolving tank 210 and used as a valve to control the opening and closing of the hot water pipe 240, when hot water enters the dissolving tank 210, the ball body in the ball float valve 250 continuously rises under the action of buoyancy, and after the limit is reached, the hot water pipe 240 can be controlled to be closed, and along with the continuous outflow of urea solution from the dissolving tank 210, the ball body in the ball float valve 250 continuously falls, and then the hot water pipe 240 is opened; the structure and the working principle of the float valve 250 are the prior art, and are not detailed here, and the use convenience is improved by adopting the float valve 250 to realize the automatic control of the supply of hot water; in addition, a control valve may be further installed on the hot water pipe 240 for an operator to realize overall control of hot water supply; the hot water supply device can be a water heater or a hot water boiler, and can play a role of supplying hot water, and the structure and the working principle of the hot water supply device are the prior art and are not detailed here.
The side wall of the liquid storage barrel 220 is communicated with one end of a first conveying pipe 310, and the other end of the first conveying pipe 310 is communicated with a liquid inlet of a first conveying pump 320; the discharge pipe 330 comprises two parts, namely a first discharge pipe 330 and a second discharge pipe 330, wherein one end of the first discharge pipe 330 is communicated with a liquid outlet of the first conveying pump 320, a tee pipe fitting is installed at the other end of the first discharge pipe 330, one interface of the tee pipe fitting is communicated with one end of the second discharge pipe 330, and the other end of the second discharge pipe 330 is used for connecting a subsequent denitration device so as to convey the urea solution to the denitration device; the other port of the three-way pipe fitting is communicated with one end of a return pipe 340, and the other end of the return pipe 340 is communicated with the side wall of the dissolving barrel 210 and extends into the dissolving barrel 210; through this kind of structural design, urea solution is under the effect of first delivery pump 320, and partly carries among the denitrification facility to accomplish denitration work, partly flows back to dissolving the bucket 210 in for make urea solution can get into dissolving the bucket 210 from dissolving the side of bucket 210, and the dissolution of urea is accelerated to the high-speed whirl that produces through the tangential effort, has replaced the agitator in the traditional structure, has not only further simplified the structure of device, but also has reduced investment cost.
The control device 400 comprises a set of PLC electric control equipment, is connected with the denitration device, the feeding device 100 and the first conveying pump 320, and can be electrically connected in a wired or wireless mode; the control device 400 is connected with the denitration device and can receive numerical values such as the concentration of the flue gas transmitted by the denitration device; connected to the feeding device 100, it is possible to control the operating frequency of the feeding device 100 and thus the feeding speed of the feeding device 100 to the urea granules; when the PLC electronic control device in the control apparatus 400 receives the numerical information, it may process and execute the following operations: when the concentration of the flue gas is increased, the control device 400 controls the feeding device 100 to increase the working frequency and accelerate the feeding speed; secondly, when the concentration of the flue gas is reduced, the control device 400 controls the feeding device 100 to reduce the working frequency and slow down the feeding speed; through the design mode, the control device 400 can quickly adjust the concentration of the urea solution so as to meet the requirement of denitration work; the control device 400 is connected to the first feed pump 320, and can control the start and stop of the first feed pump 320.
Preferably, the apparatus further comprises a mounting frame 500, the feeding device 100 is mounted on the top of the mounting frame 500, and the dissolving device 200, the conveying device 300 and the control device 400 are mounted inside the mounting frame 500.
The mounting frame 500 is a frame structure, and the feeding device 100, the dissolving device 200, the conveying device 300 and the control device 400 are integrally mounted in the mounting frame 500, so that the mounting and the line arrangement of each device are facilitated; wherein, the feeding device 100 is installed on the top of the installation frame 500, the dissolving device 200 and the first transfer pump 320 are installed on the bottom of the installation frame 500, the control device 400 is installed on the side of the installation frame 500, and the discharge pipe 330 extends out of the top of the installation frame 500 to be connected with the denitrification device.
Preferably, the feeding device 100 further includes a storage bin 110 and a feeding machine 120; the storage bin 110 is fixed on the top of the mounting frame 500, part of the storage bin 110 extends out of the mounting frame 500, the storage bin 110 is of a conical structure with an upper opening and a lower opening, and the storage bin 110 is vertically arranged; the feeding machine 120 is installed inside the installation frame 500, a feeding hole of the feeding machine 120 is communicated with the bottom of the storage bin 110, a discharging hole of the feeding machine 120 is a discharging hole of the feeding device 100, and the feeding machine 120 is electrically connected with the control device 400.
Preferably, the feeding machine 120 is a variable frequency feeding machine 120.
The bottom end of the storage bin 110 extends into the feeding hole of the feeder 120, an operator pours urea particles through the top opening of the storage bin 110, and the urea particles immediately enter the feeder 120; the feeder 120 is a variable frequency feeder 120, and the control device 400 can control the operating frequency of the feeder 120 and further control the discharging speed of the feeder 120.
Preferably, an operation platform is disposed on the top of the mounting frame 500, and the operation platform is disposed adjacent to the storage bin 110.
An operation platform is arranged at the top of the mounting frame 500, and the distance between the operation platform and the storage bin 110 is not too long, so that an operator can conveniently stand on the operation platform to complete the operation of throwing the urea particles into the storage bin 110; a ladder or other device may be provided on the operator platform or on the mounting bracket 500 to allow an operator to access the operator platform.
Preferably, the delivery device 300 further comprises a second delivery pipe and a second delivery pump; one end of the second conveying pipe is communicated with the liquid storage barrel 220, and the other end of the second conveying pipe is communicated with a liquid inlet of the second conveying pump; the liquid outlet of the second delivery pump is communicated with the discharge pipe 330, and the second delivery pump is electrically connected with the control device 400.
The second conveying pipe and the second conveying pump are a set of standby conveying equipment, and the two sets of equipment can be used interchangeably; when the first delivery pump 320 needs to be maintained, the valve on the first delivery pipe 310 may be closed, and the valve on the second delivery pipe may be opened, so that a part of the urea solution is delivered to the denitration device through the discharge pipe 330 under the action of the second delivery pump, and a part of the urea solution flows back to the dissolving tank 210 through the return pipe 340; the same function as the first transfer pipe 310 and the first transfer pump 320, and the connection between the first transfer pump 320 and the discharge pipe 330 and the second transfer pump can be realized by a tee pipe.
Preferably, the return pipe 340 is further provided with a pressure gauge 341 for monitoring the pressure of the liquid in the return pipe 340.
A pressure gauge 341 is installed on the return pipe 340, so that an operator can know the pressure condition of the urea liquid in the return pipe 340 at any time to complete related work such as data recording.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" or "coupling" or "mating" or "welding" or "mounting" or "providing" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A metering and conveying integrated device for rapidly dissolving urea is characterized by comprising a feeding device (100), a dissolving device (200), a conveying device (300) and a control device (400);
the dissolving device (200) is positioned below the feeding device (100), and the dissolving device (200) comprises a dissolving barrel (210), a liquid storage barrel (220), a filter screen (230), a hot water pipe (240) and a ball float valve (250);
a feed inlet is formed in the top of the dissolving barrel (210), and the feed inlet of the dissolving barrel (210) corresponds to the discharge outlet of the feeding device (100);
the liquid storage barrel (220) is arranged at the bottom of the dissolving barrel (210) and is communicated with the dissolving barrel (210);
the filter screen (230) is arranged at the communication position of the dissolving barrel (210) and the liquid storage barrel (220);
one end of the hot water pipe (240) is communicated with the dissolving barrel (210), and the other end is communicated with a hot water supply device;
the ball float valve (250) is arranged inside the dissolving barrel (210) and is used for controlling the on-off of the hot water pipe (240);
the conveying device (300) comprises a first conveying pipe (310), a first conveying pump (320), a discharge pipe (330) and a return pipe (340);
one end of the first conveying pipe (310) is communicated with the liquid storage barrel (220), and the other end of the first conveying pipe is communicated with a liquid inlet of the first conveying pump (320);
one end of the discharge pipe (330) is communicated with a liquid outlet of the first conveying pump (320), and the other end of the discharge pipe is communicated with a denitration device;
one end of the return pipe (340) is communicated with the discharge pipe (330), and the other end is communicated with the dissolution barrel (210) through the side wall of the dissolution barrel;
the control device (400) is electrically connected with the feeding device (100), the first conveying pump (320) and the denitration device respectively.
2. Integrated dosing and delivery device for the rapid dissolution of urea according to claim 1, characterized by further comprising a mounting frame (500), said feeding device (100) being mounted on top of said mounting frame (500), said dissolution device (200), said delivery device (300) and said control device (400) being mounted inside said mounting frame (500).
3. Integrated dosing and conveying device for fast dissolving urea according to claim 2, characterized in that said feeding device (100) comprises a storage bin (110) and a feeding machine (120); the storage bin (110) is fixed to the top of the mounting frame (500), part of the storage bin (110) extends out of the mounting frame (500), the storage bin (110) is of a conical structure with an upper opening and a lower opening, and the storage bin (110) is vertically arranged; the feeding machine (120) is installed inside the installation frame (500), a feeding hole of the feeding machine (120) is communicated with the bottom of the storage bin (110), a discharging hole of the feeding machine (120) is a discharging hole of the feeding device (100), and the feeding machine (120) is electrically connected with the control device (400).
4. Integrated metering and conveying device for the rapid dissolution of urea according to claim 3, characterized in that said feeding machine (120) is a variable-frequency feeding machine (120).
5. Integrated dosing and delivery device for rapidly dissolving urea according to claim 3, characterized in that on top of said mounting frame (500) an operating platform is provided, which is arranged adjacent to said storage bin (110).
6. Integrated dosing and delivery device for rapid dissolution of urea according to claim 1, characterized in that said delivery device (300) further comprises a second delivery pipe and a second delivery pump; one end of the second conveying pipe is communicated with the liquid storage barrel (220), and the other end of the second conveying pipe is communicated with a liquid inlet of the second conveying pump; the liquid outlet of the second conveying pump is communicated with the discharge pipe (330), and the second conveying pump is electrically connected with the control device (400).
7. Integrated dosing and delivery device for rapidly dissolving urea according to claim 1, characterized in that said return pipe (340) is further provided with a pressure gauge (341) for monitoring the pressure of the liquid inside said return pipe (340).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310046.4U CN211514104U (en) | 2019-12-20 | 2019-12-20 | Metering and conveying integrated device for quickly dissolving urea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310046.4U CN211514104U (en) | 2019-12-20 | 2019-12-20 | Metering and conveying integrated device for quickly dissolving urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211514104U true CN211514104U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922310046.4U Active CN211514104U (en) | 2019-12-20 | 2019-12-20 | Metering and conveying integrated device for quickly dissolving urea |
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| CN (1) | CN211514104U (en) |
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- 2019-12-20 CN CN201922310046.4U patent/CN211514104U/en active Active
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