阅读说明：本技术 一种氨水高效节能气化装置 (High-efficiency energy-saving ammonia water gasification device ) 是由 王东岗 张双进 王胜利 裴彦兵 于 2020-05-09 设计创作，主要内容包括：一种氨水高效节能气化装置,包括装置本体和输液管；装置本体延其中轴线方向从下至上依次设有多组气流均布装置和多组除雾装置用于将装置本体内部从上至下依次分为出气仓、处理仓和进气仓；出气仓在装置本体上设有排气端口；进气仓在装置本体的上设有排杂端口和进气端口；处理仓内设有多组用于改变气流流向的气流折流装置；最上层侧的除雾装置、最下层的气流均布装置和装置本体内壁之间围成气化仓；气化仓在装置本体的侧端面上均匀设有多组进液孔；多组输液管分别穿过多组进液孔并伸入气化仓内,每组位于气化仓内的输液管的出液管口均设有雾化喷头。本发明通过能提高氨水气化效率和气化效果,不会增加电耗更加节能环保。(An ammonia water high-efficiency energy-saving gasification device comprises a device body and a liquid conveying pipe; the device body is sequentially provided with a plurality of groups of airflow uniform distribution devices and a plurality of groups of demisting devices along the central axis direction from bottom to top, and the device body is internally divided into an air outlet bin, a treatment bin and an air inlet bin from top to bottom; the air outlet bin is provided with an exhaust port on the device body; the air inlet bin is provided with a trash discharging port and an air inlet port on the device body; a plurality of groups of airflow baffling devices for changing the flow direction of the airflow are arranged in the processing bin; a gasification bin is defined by the demisting device at the uppermost layer side, the airflow uniform distribution device at the lowermost layer and the inner wall of the device body; a plurality of groups of liquid inlet holes are uniformly formed in the side end face of the device body of the gasification bin; the multiple groups of liquid conveying pipes respectively penetrate through the multiple groups of liquid inlet holes and extend into the gasification bin, and the liquid outlet pipe orifices of the liquid conveying pipes in the gasification bin are provided with atomizing nozzles. The invention can improve the gasification efficiency and gasification effect of the ammonia water, does not increase the power consumption, and is more energy-saving and environment-friendly.)

1. An ammonia water high-efficiency energy-saving gasification device is characterized by comprising a device body (1), an infusion tube (3) for conveying ammonia water, a plurality of groups of airflow uniform distribution devices (5) and a plurality of groups of demisting devices (7);

the device comprises a device body (1), a plurality of groups of airflow uniform distribution devices (5) and a plurality of groups of demisting devices (7), wherein the airflow uniform distribution devices (5) and the demisting devices (7) are sequentially distributed side by side, are sequentially distributed from bottom to top along the central axis direction of the device body (1) and are respectively positioned in the device body (1), and are all connected with the inner wall of the device body (1) to be used for sequentially dividing the interior of the device body (1) into an air outlet bin (10), a treatment bin and an air inlet bin (11) from top to bottom;

the gas outlet bin (10) is provided with an exhaust port (8) on the device body (1);

the air inlet bin (11) is provided with a trash discharging port (4) on the bottom surface of the device body (1); a control valve is arranged on the impurity discharging port (4); the side end face of the device body (1) of the air inlet bin (11) is provided with an air inlet port (2) for introducing high-temperature waste gas;

a plurality of groups of airflow baffling devices (6) for changing the airflow direction are arranged in the processing bin; a plurality of groups of airflow baffling devices (6) are distributed between a plurality of groups of airflow uniform distribution devices (5) and a plurality of groups of demisting devices (7) side by side, wherein a gasification bin (9) is enclosed by the demisting device (7) at the uppermost layer, the airflow uniform distribution device (5) at the lowermost layer and the inner wall of the device body (1);

a plurality of groups of liquid inlet holes are uniformly formed in the side end face of the device body (1) of the gasification bin (9); multiple groups of infusion tubes (3) respectively penetrate through multiple groups of liquid inlet holes and extend into the gasification bin (9), and the liquid outlet pipe orifices of each group of infusion tubes (3) positioned in the gasification bin (9) are provided with atomizing nozzles.

2. An ammonia water high-efficiency energy-saving gasification device according to claim 1, characterized in that the gas flow velocity flowing through each group of gas flow uniform distribution devices (5) is not less than 12 m/s.

3. An ammonia water high-efficiency energy-saving gasification device according to claim 1, characterized in that the gas flow velocity inside the gasification bin (9) is not more than 5.5 m/s.

4. An efficient and energy-saving ammonia water gasification device as claimed in claim 1, wherein the bottom surface of the gas inlet bin (11) is in an inverted cone shape.

5. An ammonia water high-efficiency energy-saving gasification device according to claim 1, characterized in that the device body (1) is a cylindrical structure; the projections of each group of the airflow uniform distribution devices (5) and each group of the airflow baffling devices (6) are circular.

6. An ammonia water high-efficiency energy-saving gasification device according to claim 1, characterized in that the device body (1) is of a cuboid structure; the projections of each group of the airflow uniform distribution devices (5) and each group of the airflow baffling devices (6) are rectangular.

7. An ammonia water high-efficiency energy-saving gasification device according to claim 1, characterized in that a plurality of groups of liquid inlet holes are uniformly distributed along the circumferential direction of the device body (1).

8. An ammonia water high-efficiency energy-saving gasification device according to claim 1, characterized in that the flow rate of the gas flow equalizing device (5) and the inside of the device body (1) is not more than 35%.

9. An ammonia water high-efficiency energy-saving gasification device according to claim 1, characterized in that the flow rate of the air flow baffle device (6) and the inside of the device body (1) is not more than 52%.

Technical Field

The invention relates to the technical field of energy conservation and emission reduction, in particular to an efficient and energy-saving ammonia water gasification device.

Background

With the implementation of energy-saving and emission-reducing strategies promoted by the country and the need of enterprises to reduce energy consumption and improve production efficiency, energy conservation and emission reduction are not only environmental protection problems, but also relate to the sustainable development of economy in China; on the way of building innovative countries in China, energy conservation and emission reduction become important fields for promoting economic growth of science and technology.

At present, a large amount of waste hot gas is wasted in the fields of steel, metallurgy and the like in China, ammonia water is commonly used as a reducing agent in environmental protection denitration in the industries of steel, nonferrous materials and the like, an ammonia water evaporator (indirect heat exchanger) is adopted in the traditional SCR denitration ammonia water gasification, a heat source uses low-pressure steam/electric heating in a plant area, and the problem of energy waste to a great extent exists;

how to comprehensively utilize waste heat gas of iron and steel, nonferrous and other enterprise factories to reduce energy consumption of enterprises, so that environmental protection benefit and economic benefit become important for energy conservation and improvement of the industry; therefore, the application provides an ammonia water high-efficiency energy-saving gasification device.

SUMMARY OF THE PATENT FOR INVENTION

Objects of the invention

The invention provides an ammonia water high-efficiency energy-saving gasification device for solving the technical problems in the background art.

(II) technical scheme

In order to solve the problems, the invention provides an ammonia water high-efficiency energy-saving gasification device, which comprises a device body, a liquid conveying pipe for conveying ammonia water, a plurality of groups of airflow uniform distribution devices and a plurality of groups of demisting devices;

the device comprises a device body, a plurality of groups of airflow uniform distribution devices, a plurality of groups of demisting devices, a plurality of air outlet bins, a plurality of air inlet bins and a plurality of air outlet bins, wherein the plurality of groups of airflow uniform distribution devices and the plurality of groups of demisting devices are sequentially distributed side by side;

the air outlet bin is provided with an exhaust port on the device body;

the bottom surface of the device body of the air inlet bin is provided with a trash discharging port; a control valve is arranged on the impurity discharging port; the side end face of the air inlet bin on the device body is provided with an air inlet port for introducing high-temperature waste gas;

a plurality of groups of airflow baffling devices for changing the flow direction of the airflow are arranged in the processing bin; the multiple groups of airflow baffling devices are distributed between the multiple groups of airflow uniform distribution devices and the multiple groups of demisting devices side by side, wherein a gasification cabin is defined by the demisting device on the uppermost layer side, the airflow uniform distribution device on the lowermost layer side and the inner wall of the device body;

a plurality of groups of liquid inlet holes are uniformly formed in the side end face of the device body of the gasification bin; the multiple groups of liquid conveying pipes respectively penetrate through the multiple groups of liquid inlet holes and extend into the gasification bin, and the liquid outlet pipe orifices of the liquid conveying pipes in the gasification bin are provided with atomizing nozzles.

Preferably, the flow velocity of the gas flowing through each group of gas flow distribution devices is not less than 12 m/s.

Preferably, the gas flow velocity inside the gasification chamber is not more than 5.5 m/s.

Preferably, the bottom surface of the air inlet bin is in an inverted cone shape.

Preferably, the device body is of a cylindrical structure; the projections of each group of the airflow uniform distribution devices and each group of the airflow baffling devices are circular.

Preferably, the device body is of a cuboid structure; the projections of each group of the airflow uniform distribution devices and each group of the airflow baffling devices are rectangular.

Preferably, the multiple groups of liquid inlet holes are uniformly distributed along the circumferential direction of the device body.

Preferably, the flow ratio of the gas flow equalizing device to the inside of the device body is not more than 35%.

Preferably, the ratio of flow through the flow baffle to the interior of the device body is no greater than 52%.

The technical scheme of the invention has the following beneficial technical effects:

when the device is used, high-temperature waste gas is introduced into the gas inlet bin from the gas inlet port, external ammonia water is conveyed into the gasification bin through the multiple groups of liquid conveying pipes, and the ammonia water is atomized through the multiple groups of atomizing nozzles; the high-temperature waste gas flows at a high speed, the airflow speed of the high-temperature waste gas is adjusted by the multiple groups of airflow uniform distribution devices, the first-time gas uniform distribution and acceleration of the high-temperature waste gas are realized, the flow direction of the high-temperature waste gas is adjusted by the multiple groups of airflow deflection devices, meanwhile, the high-temperature waste gas passes through the multiple groups of airflow deflection devices and then collides secondarily to form vortex, the vortex gas flows towards a low-pressure area of an exhaust port under the action of the pressure difference of an inlet and an outlet of the device body, the gas flow direction is changed for the third time, and the residence time; the high-temperature waste gas contacts with the atomized ammonia water, and the ammonia water is gasified by the high temperature carried by the high-temperature waste gas; the incompletely gasified ammonia water particles flow along with the airflow and are captured by a plurality of groups of demisting devices arranged in the device body, so that secondary heat absorption gasification of the ammonia water is realized, the gasification efficiency of the ammonia water is improved, and the purpose of efficiently gasifying the ammonia water is realized;

the device greatly improves the retention time of high-temperature waste gas in the same unit volume device through the arranged airflow uniform distribution device, the multiple groups of airflow deflection devices and the multiple groups of demisting devices, thereby improving the ammonia water gasification heat exchange time, reducing the heat exchange space, achieving the purpose of high efficiency and energy saving, and realizing the utilization rate of heat energy in the waste gas;

the device has no risk of scaling and blockage in the using process, does not increase the power consumption, and has the advantages of reliable operation, convenient installation, simple maintenance, low manufacturing cost, high cost performance and convenient matching with gas equipment; the device has good energy-saving effect, the gasification ratio of the device to ammonia water is not less than 99.92 percent in the actual use process, the running resistance of the device is not more than 550Pa, and the device can replace the conventional ammonia water evaporator to greatly reduce the production cost.

Drawings

FIG. 1 is a schematic structural diagram of an ammonia water high-efficiency energy-saving gasification device provided by the invention.

Reference numerals: 1. a device body; 2. an air inlet port; 3. a transfusion tube; 4. a trash removal port; 5. an airflow uniform distribution device; 6. an airflow deflector; 7. a defogging device; 8. an exhaust port; 9. a gasification bin; 10. a gas outlet bin; 11. an air inlet bin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figure 1, the ammonia water high-efficiency energy-saving gasification device provided by the invention comprises a device body 1, an infusion tube 3, a plurality of groups of airflow uniform distribution devices 5 and a plurality of groups of demisting devices 7;

the device comprises a device body 1, a plurality of groups of airflow uniform distribution devices 5, a plurality of groups of demisting devices 7, a plurality of groups of airflow uniform distribution devices 5 and a plurality of groups of demisting devices 7, wherein the airflow uniform distribution devices 5 and the demisting devices 7 are sequentially distributed along the central axis direction of the device body 1 from bottom to top and are all positioned in the device body 1;

furthermore, the through-flow ratio of each group of the airflow uniform distribution devices 5 to the interior of the device body 1 is not more than 35%;

the gas outlet bin 10 is provided with an exhaust port 8 on the device body 1;

the air inlet bin 11 is provided with a trash discharging port 4 on the bottom surface of the device body 1; the impurity discharging port 4 is provided with a control valve; the side end face of the device body 1 of the air inlet bin 11 is provided with an air inlet port 2 for introducing high-temperature waste gas;

a plurality of groups of airflow baffling devices 6 for changing the airflow direction are arranged in the processing bin; the multiple groups of airflow baffling devices 6 are distributed between the multiple groups of airflow uniform distribution devices 5 and the multiple groups of demisting devices 7 in parallel, wherein a gasification bin 9 is defined by the demisting device 7 at the uppermost layer, the airflow uniform distribution device 5 at the lowermost layer and the inner wall of the device body 1;

furthermore, the through flow ratio of each group of airflow deflection devices 6 to the interior of the device body 1 is not more than 52%;

a plurality of groups of liquid inlet holes are uniformly formed in the side end face of the device body 1 of the gasification bin 9; a plurality of groups of liquid conveying pipes 3 respectively pass through a plurality of groups of liquid inlet holes and extend into the gasification bin 9, and the liquid outlet pipe orifice of each group of liquid conveying pipes 3 positioned in the gasification bin 9 is provided with an atomizing nozzle; wherein each group of the infusion tubes 3 is used for conveying ammonia water, and the infusion tubes 3 are connected with the liquid outlet end of an external ammonia water conveying device;

further, the gasification proportion of the ammonia water in the gasification bin 9 is not less than 99.92%.

When the device is used, high-temperature waste gas is introduced into the gas inlet bin 11 from the gas inlet port 2, external ammonia water is conveyed into the gasification bin 9 through the multiple groups of liquid conveying pipes 3, and the ammonia water is atomized through the multiple groups of atomizing nozzles; the high-temperature waste gas flows at a high speed, the airflow speed of the high-temperature waste gas is adjusted through the multiple groups of airflow uniform distribution devices 5, the first-time uniform distribution and acceleration of the high-temperature waste gas are realized, the flow direction of the high-temperature waste gas is adjusted through the multiple groups of airflow deflection devices 6, meanwhile, the high-temperature waste gas passes through the multiple groups of airflow deflection devices 6 and then collides secondarily to form a vortex, the vortex gas flows towards a low-pressure area of an exhaust port 8 under the action of the pressure difference of an inlet and an outlet of the device body 1, the flow direction of the gas is changed for the third time, and the retention time; the high-temperature waste gas contacts with the atomized ammonia water, and the ammonia water is gasified by the high temperature carried by the high-temperature waste gas; the incompletely gasified ammonia water particles flow along with the airflow and are collected by a plurality of groups of demisting devices arranged in the device body 1, so that secondary heat absorption gasification of the ammonia water is realized, the gasification efficiency of the ammonia water is improved, and the purpose of efficiently gasifying the ammonia water is realized;

this device has improved high temperature waste gas dwell time in with unit volume device greatly through the air current equipartition device 5, multiunit air current baffling device 6 and multiunit defogging device 7 that set up to improve aqueous ammonia gasification heat transfer time, reduce the heat transfer space, reach energy-efficient purpose.

In an alternative embodiment, the flow rate of the gas flowing through each group of flow distribution devices 5 is not less than 12 m/s.

In an alternative embodiment, the gas flow rate inside the gasification chamber 9 is not more than 5.5 m/s.

In an alternative embodiment, the bottom surface of the intake plenum 11 is reverse tapered.

In an alternative embodiment, the device body 1 is a cylindrical structure; the projections of each group of the airflow uniform distribution device 5 and each group of the airflow baffling devices 6 are circular.

In an alternative embodiment, the apparatus body 1 has a rectangular parallelepiped structure; the projections of each group of the airflow uniform distribution device 5 and each group of the airflow baffling devices 6 are rectangular.

In an optional embodiment, the multiple groups of liquid inlet holes are uniformly distributed along the circumferential direction of the device body 1, and the multiple groups of liquid conveying pipes 3 are uniformly distributed along the circumferential direction of the device body 1, so that ammonia water is sprayed into the gasification bin 9 by three hundred and sixty degrees.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.