Wet-type magnesium desulphurization device of multi-stage spray tower
By designing a multi-stage spray tower structure and components, the problem of uneven liquid-to-gas ratio adjustment in wet magnesium desulfurization units was solved, achieving high-efficiency desulfurization and unit stability, and meeting environmental protection requirements.
Patent Information
- Application Number
- CN202520553320.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing wet magnesium desulfurization units are limited by nozzle design and arrangement in terms of liquid-gas ratio adjustment, resulting in a limited adjustment range and uneven distribution, which affects the desulfurization effect.
The system adopts a multi-stage spray tower structure, including components such as a pulper, slurry tank, tower body, circulating pump, and nozzles. It treats sulfur-containing tail gas through multi-stage spraying, increasing the contact area and time between the tail gas and the desulfurizing agent. It uses centrifugal spray heads to spray uniform droplets, combined with heating wires and a grinder to process the desulfurizing agent, achieving precise flow control.
It improves desulfurization efficiency and mass transfer effect, meets environmental protection standards, enhances the sufficiency of desulfurization reaction and the stability of the device, and reduces sulfur dioxide emissions.
Smart Images
Figure CN223945373U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the wet magnesium method desulfurization technical field, more specifically, especially relate to a wet magnesium method desulfurization device of multistage spray tower. BACKGROUND
[0002] With the acceleration of industrialization, the proportion of sulfur-containing tail gas emission in air pollution is increasing year by year. As a major emitter of pollutants, the industrial field is increasingly concerned about emission reduction.
[0003] Now some wet magnesium method desulfurization device is limited by nozzle design and arrangement in liquid-gas ratio adjustment, resulting in limited adjustment range and uneven distribution, affecting the desulfurization effect.
[0004] Therefore, in view of the above, the existing structure and defects are improved, and a wet magnesium method desulfurization device of multistage spray tower is provided, so as to achieve the purpose of more practical value. UTILITY MODEL CONTENTS
[0005] In order to solve the above technical problems, the utility model provides a wet magnesium method desulfurization device of multistage spray tower, which is achieved by the following specific technical means:
[0006] A wet magnesium method desulfurization device of multistage spray tower, comprising a pulp machine, a slurry pool and a tower body, a first connecting pipeline is installed on one side of the pulp machine, a first control valve is installed on one side of the first connecting pipeline, a first circulating pump is installed at the middle position of the first connecting pipeline, the other end of the first connecting pipeline is communicated with the slurry pool, a second connecting pipeline is installed on one side of the slurry pool, a second control valve is installed on the second connecting pipeline near the slurry pool, a second circulating pump is installed on the second connecting pipeline near the second control valve, a multistage spray assembly is installed on one side of the second connecting pipeline, the tower body is installed at the top end of the slurry pool, and the tower body is communicated with the slurry pool, a gas inlet pipeline is installed on one side of the bottom end of the tower body, and one end of the gas inlet pipeline extends into the tower body, a porous gas distribution plate is installed on one end of the gas inlet pipeline in the tower body, a wire mesh demister is installed at the top end of the tower body, and a gas outlet pipeline is installed at the top end of the tower body.
[0007] Further, a grinding machine is installed on one side of the top end of the pulp machine, and a stirring rod is rotatably installed in the interior of the pulp machine.
[0008] Further, a motor is installed on one side of the pulp machine, and the output end of the motor is connected with the stirring rod through a shaft coupling.
[0009] Further, the multi-stage spraying assembly comprises a plurality of third connecting pipes, the plurality of third connecting pipes are sequentially installed on one side of the second connecting pipe from top to bottom, and one end of the third connecting pipe extends into the tower body, a fourth connecting pipe is installed at the end of the third connecting pipe in the tower body, and a plurality of nozzles are installed at the bottom end of the fourth connecting pipe.
[0010] Further, the nozzle is a centrifugal spray head.
[0011] Further, the inside of the slurry pool is provided with a filter screen.
[0012] Further, heating wires are installed on both sides of the slurry maker.
[0013] Compared with the prior art, the multi-stage spraying tower wet magnesium desulfurization device has the following beneficial effects:
[0014] The multi-stage spraying tower wet magnesium desulfurization device has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a perspective view of the utility model.
[0016] Figure 2 is a side view of the utility model.
[0017] Figure 3 is a top view of the utility model.
[0018] In the drawings, the correspondence between the component names and the drawing numbers is as follows:
[0019] 1 pulp machine; 2 slurry tank; 3 tower body; 4 first connecting pipeline; 5 first control valve; 6 first circulating pump; 7 second connecting pipeline; 8 second control valve; 9 second circulating pump; 10 air inlet pipeline; 11 porous gas distribution plate; 12 wire mesh demister; 13 air outlet pipeline; 14 grinder; 15 stirring rod; 16 motor; 17 third connecting pipeline; 18 fourth connecting pipeline; 19 nozzle; 20 filter screen; 21 heating wire. DETAILED DESCRIPTION
[0020] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0021] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0023] Embodiment:
[0024] As shown in the accompanying Figure 1 to the accompanying Figure 3 :
[0025] The utility model provides a kind of multi-stage spray tower's wet magnesium method desulfurization device, including pulper 1, slurry pool 2 and tower body 3, the side of pulper 1 is equipped with first connecting pipeline 4, the side of first connecting pipeline 4 is equipped with first control valve 5, first connecting pipeline 4 middle position is equipped with first circulating pump 6, the other end of first connecting pipeline 4 is communicated with slurry pool 2, the side of slurry pool 2 is equipped with second connecting pipeline 7, second connecting pipeline 7 is equipped with second control valve 8 at the position close to slurry pool 2, second connecting pipeline 7 is equipped with second circulating pump 9 at the position close to second control valve 8, the side of second connecting pipeline 7 is equipped with multistage spray assembly, tower body 3 is installed at the top of slurry pool 2, and tower body 3 is communicated with slurry pool 2, the side of tower body 3 bottom end is equipped with air inlet pipeline 10, and one end of air inlet pipeline 10 extends to the inside of tower body 3, air inlet pipeline 10 is equipped with porous gas distribution plate 11 at the end inside tower body 3, the top end in the inside of tower body 3 is equipped with wire mesh demister 12, the top end of tower body 3 is equipped with air outlet pipeline 13, porous gas distribution plate 11 can make flue gas rise uniformly through small hole, so that the flue gas entering tower body 3 can be evenly distributed on the whole tower section, effectively avoid local airflow short circuit and vortex phenomenon, create good conditions for subsequent gas-liquid full contact, wire mesh demister 12 can capture and remove small droplets carried out with flue gas, reduce slurry consumption, prevent these droplets from causing corrosion to subsequent equipment simultaneously, so as to ensure the stable operation and high efficiency of the whole system.
[0026] Wherein, the top end of the side of pulper 1 is equipped with grinder 14, rotatingly installed with stirring rod 15 in the inside of pulper 1, grinder 14 can be ground to suitable granularity according to mixing demand, stirring rod 15 can continuously stir and mix desulfurizer at the bottom of pulper 1, reduce crystallization of desulfurizer long-term standing.
[0027] Wherein, the side of pulper 1 is equipped with motor 16, and the output end of motor 16 is connected with stirring rod 15 through coupling, and motor 16 can drive stirring rod 15 to rotate.
[0028] Wherein, multistage spray assembly includes several third connecting pipelines 17, several third connecting pipelines 17 are sequentially installed on the side of second connecting pipeline 7 from top to bottom, and one end of third connecting pipeline 17 extends to the inside of tower body 3, fourth connecting pipeline 18 is installed at the end inside tower body 3 of third connecting pipeline 17, and the bottom end of fourth connecting pipeline 18 is equipped with several nozzles 19, nozzles 19 are evenly distributed at each layer, through the setting of multistage spray assembly, desulfurizer is sprayed to the inside of tower body 3.
[0029] Wherein, nozzle 19 is centrifugal spray head, centrifugal spray head can spray slurry into tiny and uniform droplets.
[0030] The inside of the slurry pool 2 is provided with a filter screen 20, so as to separate a small amount of impurities generated by spraying from liquid.
[0031] The inside of the slurry pool 2 is provided with a filter screen 20, so as to separate a small amount of impurities generated by spraying from liquid.
[0032] The working principle of the embodiment is as follows: when the wet magnesium desulfurization device with the multi-stage spraying tower is used, the worker first adds desulfurizer (such as magnesium oxide) and water into the slurry machine 1 according to the design proportion, and the two are fully mixed by the stirring function of the slurry machine 1; when preparing, the worker can also grind the desulfurizer to a suitable particle size through the grinding machine 14, and accelerate the dissolution and activation of the desulfurizer through the heating wire 21; after preparation, the first control valve 5 and the first circulating pump 6 are opened, the prepared desulfurizer is transported into the slurry pool 2 through the first connecting pipeline 4, then the valve opening degree of the second control valve 8 is adjusted to realize accurate control of the slurry flow and pressure entering each spraying layer, and the second circulating pump 9 is opened, the pressure provided by the second circulating pump 9 is used to transport the desulfurizer in the slurry pool 2 into the fourth connecting pipeline 18 through the second connecting pipeline 7 and the third connecting pipeline 17, and spray into small and uniform liquid droplets into the inside of the tower body 3 through the nozzle 19; at this time, the flue gas entering the inside of the tower body 3 through the gas inlet pipeline 10 first passes through the porous gas distribution plate 11 and uniformly rises in the inside of the tower body 3, in the rising process of the flue gas, the sulfur dioxide in the flue gas contacts the small desulfurizer droplets and chemical reaction occurs, realizing desulfurization, the desulfurized gas continues to rise to the top end of the tower body 3, the wire mesh demister 12 can capture and remove the small liquid droplets carried out with the flue gas, reduce the slurry loss, and prevent the liquid droplets from corroding the subsequent equipment, so as to ensure the stable operation and high efficiency of the whole system.
[0033] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.
Claims
1. A multi-stage spray tower wet magnesium method desulfurization device, comprising a pulp preparation machine (1), a slurry pool (2) and a tower body (3), characterized in that: The side of the pulper (1) is provided with a first connecting pipe (4), one side of the first connecting pipe (4) is provided with a first control valve (5), a first circulating pump (6) is installed at the middle position of the first connecting pipe (4), the other end of the first connecting pipe (4) is communicated with the slurry tank (2), one side of the slurry tank (2) is provided with a second connecting pipe (7), a second control valve (8) is installed at the position close to the slurry tank (2) of the second connecting pipe (7), a second circulating pump (9) is installed at the position close to the second control valve (8) of the second connecting pipe (7), a multi-stage spraying assembly is installed at one side of the second connecting pipe (7), the tower body (3) is installed at the top end of the slurry tank (2), and the tower body (3) is communicated with the slurry tank (2), one side of the bottom end of the tower body (3) is provided with an air inlet pipe (10), and one end of the air inlet pipe (10) extends into the tower body (3), a multi-hole gas distribution plate (11) is installed at the end of the air inlet pipe (10) located in the tower body (3), a wire mesh demister (12) is installed at the top end in the tower body (3), and an air outlet pipe (13) is installed at the top end of the tower body (3).
2. The wet magnesium process desulphurization plant with multi-stage spray tower according to claim 1, characterized in that: The top end of one side of the pulper (1) is provided with a grinder (14), and a stirring rod (15) is rotatably installed in the pulper (1).
3. The wet magnesium process desulphurization plant with a multi-stage spray tower according to claim 2, characterized in that: One side of the pulper (1) is provided with a motor (16), and the output end of the motor (16) is connected with the stirring rod (15) through a shaft coupling.
4. The multi-stage spray tower wet magnesium process desulfurization device according to claim 1, characterized in that: The multi-stage spraying assembly comprises a plurality of third connecting pipes (17), the third connecting pipes (17) are sequentially installed at one side of the second connecting pipe (7) from top to bottom, one end of the third connecting pipe (17) extends into the tower body (3), a fourth connecting pipe (18) is installed at the end of the third connecting pipe (17) located in the tower body (3), and a plurality of nozzles (19) are installed at the bottom end of the fourth connecting pipe (18).
5. The wet magnesium process desulphurization plant with multi-stage spray tower according to claim 4, characterized in that: The nozzle (19) is a centrifugal spray head.
6. The wet magnesium process desulphurization plant with multi-stage spray tower according to claim 1, characterized in that: A filter screen (20) is installed in the slurry tank (2).
7. The multi-stage spray tower wet magnesium process desulfurization device according to claim 1, characterized in that: Heating wires (21) are installed on both sides of the pulper (1).