CN210419270U - Efficient and energy-saving ammonia extraction equipment - Google Patents
Efficient and energy-saving ammonia extraction equipment Download PDFInfo
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- CN210419270U CN210419270U CN201921020268.6U CN201921020268U CN210419270U CN 210419270 U CN210419270 U CN 210419270U CN 201921020268 U CN201921020268 U CN 201921020268U CN 210419270 U CN210419270 U CN 210419270U
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Abstract
The utility model relates to an carry the ammonia equipment field, especially relate to a high-efficient energy-conserving ammonia extraction equipment. It includes: the reaction tower is used for carrying out ammonia extraction reaction and is provided with a liquid inlet and a liquid outlet; the reaction tower is internally provided with a gas distribution plate and a disc/groove combined packing layer from top to bottom; the air distribution plate is provided with air distribution holes, and the disc/groove combined packing layer consists of a disc type liquid distributor and a groove type liquid redistributor; the gravity machine is arranged at the top of the reaction tower and is laterally connected with an S-shaped electrostatic attraction device through an air inlet pipe, and a return pipe is arranged at the bottom of the S-shaped electrostatic attraction device and is connected to the gravity machine through the return pipe. The utility model can effectively improve the efficiency of the ammonia extraction process; the energy consumption in the ammonia extraction process can be effectively reduced, and the energy conservation is realized; can greatly improve the purity of the extracted ammonia gas and reduce impurities.
Description
Technical Field
The utility model relates to an carry the ammonia equipment field, especially relate to a high-efficient energy-conserving ammonia extraction equipment.
Background
The ammonia extraction equipment is increasingly applied in the production process of the chemical field of a wet ammonia system, and the quality problem of the ammonia extraction equipment directly determines whether the chemical process is clean or not. On the premise that the development prospect of the ammonia extraction equipment is bright, the technology of the ammonia extraction equipment has a considerable gap from the demand of people, and the technology of the ammonia extraction equipment is required to actively meet the change of the domestic and foreign market demands. The ammonia extraction equipment industry has experienced growth history from endless to endless and small to large in decades of development. Although the industry of ammonia extraction equipment in China starts late, the market demand of the industry of ammonia extraction equipment is increased by means of the rapid development of the mechanical industry in China. The ammonia extraction equipment is mainly applicable to industries such as petroleum, chemical engineering, rubber, pesticides, dyes, medicines, foods and the like, and commonly used ammonia extraction equipment is divided into titanium ammonia extraction equipment, stainless steel ammonia extraction equipment, carbon steel ammonia extraction equipment, enamel ammonia extraction equipment and the like according to the manufacturing materials of the ammonia extraction equipment, is divided into a bubble cover type, a filling type, a groove type, a disc/groove combined type and the like according to the gas-liquid contact mode of the ammonia extraction equipment, is divided into a manual control type, a semi-automatic control type, a PLC automatic control type and the like according to the equipment control mode, is divided into a jacket, an internal coil pipe, an external Miller plate and the like according to the heating and cooling mode, but has larger energy consumption and lower efficiency in the ammonia extraction process, and the.
Chinese patent office discloses a practical novel patent of strip ammonia recovery tower in 2018 8, 17 days, authorizes the publication number and is CN207734633U, and it includes base, mixing section, strip section and rectifying section, characterized by, the inside of strip section is equipped with liquid distributor one, the lower part of liquid distributor one is equipped with connects the liquid device, the lower part that connects the liquid device is equipped with liquid redistributor, the sub-unit connection who connects the liquid device has the honeycomb duct, be connected through the adapter sleeve between honeycomb duct and the liquid redistributor, liquid distributor one and connect between the liquid device and the lower part of liquid redistributor all be equipped with the strip filler, the lower part of strip filler is equipped with the grid board, the upper portion of strip filler is equipped with the filler clamp plate. The technical scheme can realize energy conservation to a certain extent, but the purity of the extracted ammonia gas is still insufficient, and an improvement space exists.
Disclosure of Invention
For solving current ammonia extraction equipment extraction process loaded down with trivial details, the energy consumption is great, inefficiency, and the limited problem of ammonia purity that draws, the utility model provides a high-efficient energy-saving ammonia extraction equipment. It firstly achieves the following purposes: firstly, the ammonia extraction efficiency is improved; secondly, energy consumption in the ammonia extraction process is reduced; and thirdly, improving the purity of the extracted ammonia gas.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
An efficient energy-saving ammonia extraction plant comprising:
the reaction tower is used for carrying out ammonia extraction reaction and is provided with a liquid inlet and a liquid outlet;
the reaction tower is internally provided with a gas distribution plate and a disc/groove combined packing layer from top to bottom;
the air distribution plate is provided with air distribution holes, and the disc/groove combined packing layer consists of a disc type liquid distributor and a groove type liquid redistributor;
the gravity machine is arranged at the top of the reaction tower and is laterally connected with an S-shaped electrostatic attraction device through an air inlet pipe, and a return pipe is arranged at the bottom of the S-shaped electrostatic attraction device and is connected to the gravity machine through the return pipe.
As a preference, the first and second liquid crystal compositions are,
the liquid inlet is arranged above the gas distribution plate, and the liquid outlet is arranged below the packing layer of the disc/groove combination;
the liquid inlet and the liquid outlet are respectively connected with a liquid inlet pipe and a liquid outlet pipe.
As a preference, the first and second liquid crystal compositions are,
the liquid inlet pipe is connected to the heating mechanism, and the heating mechanism is also connected with a waste liquid pipe for feeding liquid;
the liquid outlet pipe is connected to the circulating pump.
As a preference, the first and second liquid crystal compositions are,
the circulating pump is a water pump, and the circulating pump is provided with a circulating water pipe which is connected to the heating mechanism through the circulating pump.
As a preference, the first and second liquid crystal compositions are,
the heating mechanism consists of an upper heating chamber and a lower preheating chamber;
the circulating water pipe is connected to the preheating chamber of the heating mechanism.
As a preference, the first and second liquid crystal compositions are,
a spiral pipe is arranged in the preheating chamber;
the inlet end of the spiral pipe is communicated with the circulating water pipe, and the outlet end of the spiral pipe extends out of the preheating chamber to form a liquid discharge pipe.
As a preference, the first and second liquid crystal compositions are,
an electric heating net and/or an electric heating rod are arranged in the heating chamber.
The utility model has the advantages that:
1) the efficiency of the ammonia extraction process can be effectively improved;
2) the energy consumption in the ammonia extraction process can be effectively reduced, and the energy conservation is realized;
3) can greatly improve the purity of the extracted ammonia gas and reduce impurities.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the preheating chamber of the present invention;
in the figure: the device comprises a reaction tower 1, a 11-tray/trough combined packing layer, a 12-gas distribution plate, a 13-gravity machine, a 14-gas inlet pipe, a 15-return pipe, a 16-liquid inlet pipe, a 17-liquid outlet pipe, a 2S-type electrostatic attraction device, a 3-heating mechanism, a 31-preheating chamber, a 32-heating chamber, a 33-waste liquid pipe, a 34-liquid discharge pipe, a 35-spiral pipe, a 4-circulating pump and a 41-circulating water pipe.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
Examples
An efficient and energy-saving ammonia extraction device as shown in figure 1, comprising:
the reaction tower 1 is used for carrying out ammonia extraction reaction, and the reaction tower 1 is provided with a liquid inlet and a liquid outlet;
the reaction tower 1 is internally provided with a disc/groove combined packing layer 11, at least one disc/groove combined packing layer 11 is arranged, a plurality of disc/groove combined packing layers are arranged in the reaction tower 1 from top to bottom at equal intervals, the disc/groove combined packing layer 11 is in sealing contact with the inner wall of the reaction tower 1, and a sealing strip is further arranged at the contact part to improve the sealing property, so that the water body is thoroughly treated, and the water body is prevented from leaking along the inner wall of the reaction tower 1;
the disc/groove combined packing layer 11 consists of a disc type liquid distributor and a groove type liquid redistributor, and is filled with stripping packing, and the combined disc/groove combined packing layer 11 can improve the liquid phase mass transfer efficiency in the reaction tower 1 and improve the ammonia extraction effect;
the reaction tower 1 is also internally provided with a gas distribution plate 12, the gas distribution plate 12 is arranged above the disc/groove combined packing layer 11 and is in sealed contact with the inner wall of the reaction tower 1, gas distribution holes which are communicated up and down are uniformly distributed on the gas distribution plate 12, a gas collection cavity is formed between the gas distribution plate 12 and the disc/groove combined packing layer 11, and after a pre-product containing ammonia is produced after steam stripping of the disc/groove combined packing layer 11, the gas is uniformly distributed through the gas distribution plate 12;
the top end of the reaction tower 1 is provided with a gravity machine 13 communicated with the reaction tower 1, the gravity machine 13 comprises but is not limited to any one or more of a supergravity machine 13 and/or a gravity separator, impurities such as dust, large-particle-size liquid drops and the like in a pre-product can be separated from low-density gas containing ammonia gas under the action of gravity, and the separated impurities such as the dust, the large-particle-size liquid drops and the like fall into the reaction tower 1;
the gravity machine 13 is provided with an S-shaped electrostatic attraction device 2, namely a sulfur-type electrostatic attraction device, on the side surface, the S-shaped electrostatic attraction device 2 is an electrostatic adsorption device which takes sulfur as a main component or an additive component, and can realize electrostatic adsorption and filtration by the characteristic that element compounds such as N, O, P can be specifically adsorbed but ammonia gas is not adsorbed by the characteristics of sulfur per se;
the gravity machine 13 is connected to the S-shaped electrostatic attraction device 2 through a horizontal pipeline, the horizontal pipeline is an air inlet pipe 14, low-density gas containing ammonia enters the S-shaped electrostatic attraction device 2 through the air inlet pipe 14, in the S-shaped electrostatic attraction device 2, impurity gas in the low-density gas is further adsorbed and removed, the purity of the obtained ammonia can be greatly improved, the impurity gas is reduced, the treated gas is discharged from an exhaust port at the top end of the S-shaped electrostatic attraction device 2, and then the ammonia can be collected;
in addition, because an ascending air flow is continuously generated in the reaction tower 1, dust, large-particle-size liquid drops and the like separated under the action of the gravity machine 13 are inevitably and slightly brought into the S-shaped electrostatic attraction device 2 in the long-term use process, and part of small-particle-size liquid drops difficult to separate from the gravity machine 13 also enter the S-shaped electrostatic attraction device 2, the bottom of the S-shaped electrostatic attraction device 2 is provided with a return pipe 15, the return pipe 15 is connected to the bottom of the gravity machine 13, the electrostatic attraction device has the capability of adsorbing and enriching dust and liquid drops, and the dust and the liquid drops entering the S-shaped electrostatic attraction device 2 can be secondarily removed, fall under the action of gravity, return to the gravity machine 13 through the return pipe 15, and then enter the reaction tower 1 under the action of gravity;
a liquid inlet of the reaction tower 1 is arranged above the gas distribution plate 12, a liquid outlet of the reaction tower 1 is arranged below the packing layer 11 of the disc/groove combination and at a position close to the bottom of the reaction tower 1, and the liquid inlet and the liquid outlet are respectively connected with a liquid inlet pipe 16 and a liquid outlet pipe 17;
the liquid inlet pipe 16 is connected to the heating mechanism 3, the liquid inlet end of the heating mechanism 3 is connected with the waste liquid pipe 33, the liquid outlet end of the heating mechanism 3 is connected with the liquid inlet pipe 16, heavy metal waste liquid to be treated firstly enters the heating mechanism 3 through the waste liquid pipe 33, the heavy metal waste liquid enters the main reaction tower 1 through the liquid inlet pipe 16 after being heated in the heating mechanism 3, and ammonia extraction treatment is carried out on the heated heavy metal waste liquid;
the heating mechanism 3 is divided into an upper part and a lower part which are communicated, the lower part is a preheating chamber 31, the preheating chamber 31 preheats the heavy metal waste liquid, the upper part is a heating chamber 32, an electric heating net and/or an electric heating rod are arranged in the heating chamber 32 to heat the heavy metal waste liquid, the electric heating net is optimally selected, and the heavy metal waste liquid can be uniformly heated;
the liquid outlet pipe 17 is connected with the circulating pump 4, the circulating pump 4 is a one-way pump type water pump, the liquid outlet pipe 17 is connected with a liquid inlet port of the circulating pump 4, a liquid outlet port of the circulating pump 4 is connected with a circulating water pipe 41, the circulating water pipe 41 is communicated with the preheating chamber 31 of the heating mechanism 3, the preheating chamber 31 is provided with a spiral pipe 35, an inlet end of the spiral pipe 35 is communicated with the circulating water pipe 41, and an outlet end of the spiral pipe 35 extends to the outside of the preheating chamber 31;
heavy metal waste liquid still keeps certain temperature after heating and participating in the reaction tower 1, the heat of waste liquid can cause the waste if directly discharging, and some volatiles can cause secondary pollution, and not only can cool down it after passing through preheating chamber 31, can also carry out effectual utilization to heat energy, energy-conserving effect has been realized, and carry out ammonia cooling back heavy metal composition and separate out easily, carry out subsequent processing more easily, make heavy metal content in the waste liquid that discharges reduce by a wide margin, can carry out stable control to heavy metal content in the waste liquid, make the waste liquid purify more easily and reach emission standard, in addition, when preheating spiral pipe 35 because its thermal effect can make the waste liquid in preheating chamber 31 close along spiral pipe 35 and produce the difference in temperature, and then produce the flow of certain degree.
When in use:
firstly, heavy metal waste liquid to be treated is conveyed to a heating mechanism 3 through a waste liquid pipe 33, the heavy metal waste liquid heated in the heating mechanism 3 enters a reaction tower 1 through a liquid inlet pipe 16, is sprayed on a gas distribution plate 12 in the reaction tower 1 and is sprayed on a disc/cell combined packing layer 11 through the gas distribution plate 12, ammonia gas is generated by reaction under the action of a stripping filler on the disc/cell combined packing layer 11 and rises through the gas distribution plate 12, the ammonia gas rises into a gravity machine 13 to realize gas-solid-liquid separation under the action of the gravity machine 13, most of solid-liquid impurities are separated and return to the reaction tower 1 under the action of gravity, low-density gas which is primarily purified in the gravity machine 13 enters an S-shaped electrostatic attraction device 2 through a gas inlet pipe 14, secondary purification is carried out under the action of the S-shaped electrostatic attraction device 2, and high-purity ammonia gas obtained after the secondary purification is discharged and collected through a gas outlet, and a small amount of solid-liquid impurities separated again in the S-type electrostatic attraction device 2 return to the gravity machine 13 through the return pipe 15, the solid-liquid impurities separated by the gravity machine 13 and the S-type electrostatic attraction device 2 sequentially pass through the gas distribution plate 12 and the disc/trough combined packing layer 11 under the action of gravity and are settled to the lower end of the reaction tower 1, sequentially pass through the liquid outlet pipe 17 and the circulating water pipe 41 under the action of the circulating pump 4, flow into the spiral pipe 35 in the preheating chamber 31, preheat the heavy metal waste liquid in the preheating chamber 31, and finally flow out through the liquid outlet pipe 34, so that a complete cycle is realized, and in the cycle process, after the waste liquid with certain heat flows into the spiral pipe 35, the power of common heating appliances such as an electric heating net or an electric heating rod in the heating chamber 32 can be properly reduced, and the energy consumption is saved.
Claims (7)
1. An efficient and energy-saving ammonia extraction device, comprising:
the reaction tower is used for carrying out ammonia extraction reaction and is provided with a liquid inlet and a liquid outlet;
the reaction tower is internally provided with a gas distribution plate and a disc/groove combined packing layer from top to bottom;
the air distribution plate is provided with air distribution holes, and the disc/groove combined packing layer consists of a disc type liquid distributor and a groove type liquid redistributor;
the gravity machine is arranged at the top of the reaction tower and is laterally connected with an S-shaped electrostatic attraction device through an air inlet pipe, and a return pipe is arranged at the bottom of the S-shaped electrostatic attraction device and is connected to the gravity machine through the return pipe.
2. An efficient and energy-saving ammonia extraction plant according to claim 1,
the liquid inlet is arranged above the gas distribution plate, and the liquid outlet is arranged below the packing layer of the disc/groove combination;
the liquid inlet and the liquid outlet are respectively connected with a liquid inlet pipe and a liquid outlet pipe.
3. An efficient and energy-saving ammonia extraction plant according to claim 2,
the liquid inlet pipe is connected to the heating mechanism, and the heating mechanism is also connected with a waste liquid pipe for feeding liquid;
the liquid outlet pipe is connected to the circulating pump.
4. An efficient and energy-saving ammonia extraction plant according to claim 3,
the circulating pump is a water pump, and the circulating pump is provided with a circulating water pipe which is connected to the heating mechanism through the circulating pump.
5. An efficient and energy-saving ammonia extraction plant according to claim 4,
the heating mechanism consists of an upper heating chamber and a lower preheating chamber;
the circulating water pipe is connected to the preheating chamber of the heating mechanism.
6. An efficient and energy-saving ammonia extraction plant according to claim 5,
a spiral pipe is arranged in the preheating chamber;
the inlet end of the spiral pipe is communicated with the circulating water pipe, and the outlet end of the spiral pipe extends out of the preheating chamber to form a liquid discharge pipe.
7. An efficient and energy-saving ammonia extraction plant according to claim 5,
an electric heating net and/or an electric heating rod are arranged in the heating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020268.6U CN210419270U (en) | 2019-07-02 | 2019-07-02 | Efficient and energy-saving ammonia extraction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020268.6U CN210419270U (en) | 2019-07-02 | 2019-07-02 | Efficient and energy-saving ammonia extraction equipment |
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| Publication Number | Publication Date |
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| CN210419270U true CN210419270U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921020268.6U Active CN210419270U (en) | 2019-07-02 | 2019-07-02 | Efficient and energy-saving ammonia extraction equipment |
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| CN (1) | CN210419270U (en) |
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- 2019-07-02 CN CN201921020268.6U patent/CN210419270U/en active Active
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