Tail gas treatment device for SLEP activation furnace
By designing a Slep activation furnace tail gas treatment device that includes a heat exchange box, a filter box and an automatic clearing system, the problem of poor treatment effect of the existing device is solved, and efficient desulfurization and denitrification of tail gas and waste heat recovery are achieved, ensuring that the gas emissions meet the standards.
Patent Information
- Application Number
- CN202422987865.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing Slep activation furnace tail gas treatment device has a single treatment method, resulting in the treated gas failing to meet emission standards and cannot satisfy usage requirements.
A tail gas treatment device was designed, which included a heat exchange box, a filter box, a filter screen, a motor, a crankshaft, a stirring roller and other components. The device achieved desulfurization and denitrification through filtering through the filter screen and mixing with ammonia water. The crankshaft drove the stirring roller and gear system to realize automatic clearing and heat exchange. The device was combined with a PLC controller for automatic water exchange, thus realizing automated control of multiple treatment steps.
It achieves efficient desulfurization and denitrification of tail gas, avoids filter clogging, and has the function of waste heat recovery to ensure that gas emissions meet standards.
Smart Images

Figure CN223439427U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tail gas treatment technical field, concretely is a slurry activated furnace tail gas treatment device. BACKGROUND
[0002] Slurry activated furnace is mainly used for carrying out activation treatment to various materials, also can be used for catalytic combustion, slag hot melting etc.
[0003] The gas discharged in the working process of slurry activated furnace has harmful substances, so it needs to be treated, but the existing tail gas treatment device is single in treatment mode during use, so that the treated gas still cannot reach the emission standard, cannot satisfy the use requirement, for this, we propose a slurry activated furnace tail gas treatment device. UTILITY MODEL CONTENT
[0004] In view of the defects of prior art, the utility model aims at providing a slurry activated furnace tail gas treatment device, which has the advantages of convenient treatment, solves the problem that the existing tail gas treatment device is single in treatment mode during use, so that the treated gas still cannot reach the emission standard, cannot satisfy the use requirement.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a slurry activated furnace tail gas treatment device, including heat exchange box, the right side of heat exchange box is fixedly connected with motor, the output of motor is fixedly connected with crank shaft, the right side of the back of heat exchange box is fixedly connected with filter box, the right side of filter box is connected with gas guide pipe, the inner wall of filter box is fixedly connected with filter screen, one side of filter screen is contacted with brush rod, one side of brush rod is fixedly connected with rectangle rod, one side of rectangle rod is fixedly connected with connecting column, the surface of connecting column is movably connected with movable rod, one side of movable rod is movably connected with crank shaft, the right side of heat exchange box top is fixedly connected with box, one side of box is sleeved with fixed pipe, one side of fixed pipe is connected with filter box, the other side of box is movably connected with stirring roller.
[0006] Preferably, the left side of the crank shaft surface is fixedly connected with a driving gear, the top of the driving gear is engaged with a driven gear, the inner cavity of the driven gear is fixedly connected with a heat exchange pipe, one side of the heat exchange pipe is movably connected with a fan, the right side of the heat exchange pipe is movably connected with an air guide pipe, the left side of the top of the heat exchange box is communicated with a first electromagnetic valve, the top of the first electromagnetic valve is communicated with a tap water pipe, the bottom of the right side of the heat exchange box is communicated with a second electromagnetic valve, the right side of the second electromagnetic valve is communicated with a water outlet pipe, the bottom of the inner cavity of the heat exchange box is fixedly connected with a temperature sensor, the top of the inner cavity of the heat exchange box is fixedly connected with a liquid level sensor, and one side of the fan is communicated with the activation furnace through an exhaust pipe.
[0007] Preferably, the rear side of the filter box is provided with a rectangular groove, and the inner cavity of the rectangular groove is slidably connected with a rectangular rod.
[0008] Preferably, the central axis of the crank shaft surface and the right side of the stirring roller are fixedly connected with a belt pulley, and the surface of the belt pulley is sleeved with a belt.
[0009] Preferably, one side of the fan is fixedly connected with a support, and one side of the support is fixedly connected with the heat exchange box.
[0010] Preferably, the bottom of the right side of the filter box and the bottom of the left side of the box body are communicated with a hollow pipe, and one side of the hollow pipe is movably connected with a control valve.
[0011] Preferably, the right side of the inner cavity of the box body is provided with a circular hole, and the inner cavity of the circular hole is fixedly connected with a sealing ring.
[0012] Compared with the prior art, the slurry activation furnace tail gas treatment device has the following beneficial effects:
[0013] 1、 the fan is started, the exhaust gas is discharged into the inner cavity of the filter box through the air guide pipe, the exhaust gas is filtered through the filter screen, then the exhaust gas is discharged into the inner cavity of the box body through the fixed pipe, so as to be mixed with ammonia water, the exhaust gas is desulfurized and denitrified, then the gas is discharged, the motor is started at the same time of treatment, the crank shaft is driven to rotate by the motor, the movable rod is driven to move by the crank shaft, the connecting column is driven to move by the movable rod, the rectangular rod is driven to move by the connecting column, the brush rod is driven to move by the rectangular rod, the right side of the filter screen is brushed, the filter screen is prevented from being blocked, the stirring roller is also driven to rotate by the work of the crank shaft, the mixing effect of the exhaust gas and the ammonia water is good, so that the treatment effect is good.
[0014] 2, the utility model discloses a heat exchange pipe will be passed through in the gas flow process, carries out heat exchange work through the water of heat exchange box inner chamber to the exhaust gas cooling, still can play the effect of waste heat recovery, the crankshaft still drives driving gear rotation, driving gear drives driven gear rotation, and driven gear drives heat exchange pipe rotation, agitates water, makes heat exchange effect good, sets temperature value and liquid level value range through the PLC controller of external equipment, after temperature sensor detects that temperature value is higher than the set value, second solenoid valve will open, thereby discharges water, after liquid level sensor detects that liquid level value is lower than the set minimum value, second solenivet will close, and first solenoid valve will open, and carry out water injection work, detect that liquid level value is higher than the set maximum value, and first solenoid valve will close, thereby complete automatic water change work. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the heat exchange box sectional structure schematic diagram of the utility model;
[0017] Figure 3 It is the box sectional structure schematic diagram of the utility model;
[0018] Figure 4 It is the three-dimensional structure schematic diagram of the utility model;
[0019] Figure 5 It is the filter box sectional structure schematic diagram of the utility model.
[0020] In the drawing: 1, heat exchange box;2, motor;3, crankshaft;4, driving gear;5, driven gear;6, heat exchange pipe;7, fan;8, filter box;9, gas guide pipe;10, filter screen;11, brush rod;12, rectangular bar;13, connecting column;14, movable rod;15, box;16, fixed pipe;17, stirring roller;18, pulley;19, belt;20, first solenoid valve;21, second solenoid valve;22, temperature sensor;23, liquid level sensor. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] Secondly, the "one embodiment" or "embodiments" referred to herein are intended to mean that a particular feature, structure, or characteristic described in connection with the implementation can be included in at least one implementation of the application. The appearances of the "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another.
[0023] Embodiment one:
[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 , the utility model provides a slurry activation furnace tail gas treatment device, including heat exchange box 1, the right side of heat exchange box 1 is fixedly connected with motor 2, the output of motor 2 is fixedly connected with crank shaft 3, the right side of the back of heat exchange box 1 is fixedly connected with filter box 8, the right side of filter box 8 is communicated with gas guide pipe 9, the inner wall of filter box 8 is fixedly connected with filter screen 10, one side of filter screen 10 is contacted with brush rod 11, one side of brush rod 11 is fixedly connected with rectangular rod 12, one side of rectangular rod 12 is fixedly connected with connecting column 13, the surface of connecting column 13 is movably connected with movable rod 14, one side of movable rod 14 is movably connected with crank shaft 3, the right side of the top of heat exchange box 1 is fixedly connected with box 15, one side of box 15 is sleeved with fixed pipe 16, one side of fixed pipe 16 is communicated with filter box 8, the other side of box 15 is movably connected with stirring roller 17, the rear side of filter box 8 is provided with rectangular groove, and the inner cavity of rectangular groove is slidably connected with rectangular rod 12, the right side of the central shaft of crank shaft 3 surface and stirring roller 17 are all fixedly connected with belt pulley 18, the surface of belt pulley 18 is sleeved with belt 19, the right side of the bottom of filter box 8 and the bottom of the left side of box 15 are all communicated with hollow pipe, and one side of hollow pipe is movably connected with control valve, the right side of the inner cavity of box 15 is provided with round hole, and the inner cavity of round hole is fixedly connected with sealing ring.
[0025] The specific action of the technical scheme is: starting the fan 7, the exhaust gas is discharged into the inner cavity of the filter box 8 through the gas guide pipe 9, the exhaust gas is filtered through the filter screen 10, then the exhaust gas is discharged into the inner cavity of the box 15 through the fixed pipe 16, so as to be mixed with ammonia water, the exhaust gas is desulfurized and denitrified, then the gas is discharged, and the motor 2 is started at the same time, the crank shaft 3 is driven to rotate by the motor 2, the movable rod 14 is moved by the crank shaft 3, the connecting column 13 is moved by the movable rod 14, the rectangular rod 12 is moved by the connecting column 13, the brush rod 11 is moved by the rectangular rod 12, the right side of the filter screen 10 is brushed, so as to avoid the filter screen 10 from being blocked, the stirring roller 17 is rotated by the work of the crank shaft 3, the mixing effect of the exhaust gas and the ammonia water is good, so that the treatment effect is good.
[0026] Embodiment two:
[0027] The utility model discloses a crank shaft 3 surface left side fixed connection has driving gear 4 as shown in the embodiment Figure 1 、 Figure 2 and Figure 4 Disclosed is a crank shaft 3 surface left side fixed connection has driving gear 4, the top of driving gear 4 is engaged with driven gear 5, the inner chamber of driven gear 5 is fixedly connected with heat exchange pipe 6, one side of heat exchange pipe 6 is movably connected with fan 7, the right side of heat exchange pipe 6 is movably connected with air guide pipe 9, the left side of the top of heat exchange box 1 is communicated with first electromagnetic valve 20, the top of first electromagnetic valve 20 is communicated with water pipe, the bottom of the right side of heat exchange box 1 is communicated with second electromagnetic valve 21, the right side of second electromagnetic valve 21 is communicated with water outlet pipe, the bottom of the inner chamber of heat exchange box 1 is fixedly connected with temperature sensor 22, the top of the inner chamber of heat exchange box 1 is fixedly connected with liquid level sensor 23, one side of fan 7 is communicated with activation furnace through smoke exhaust pipe, one side of fan 7 is fixedly connected with support, and one side of the support is fixedly connected with heat exchange box 1.
[0028] The specific action of the technical scheme is that: in the process of gas flow, the gas passes through the heat exchange pipe 6 and exchanges heat with the water in the inner chamber of the heat exchange box 1, so as to cool the waste gas, and the waste heat can be recovered, the crank shaft 3 drives the driving gear 4 to rotate, the driving gear 4 drives the driven gear 5 to rotate, and the driven gear 5 drives the heat exchange pipe 6 to rotate, so as to stir the water and improve the heat exchange effect, the temperature value and the liquid level value range are set by the external PLC controller, when the temperature value detected by the temperature sensor 22 is higher than the set value, the second electromagnetic valve 21 is opened, so as to discharge the water, when the liquid level value detected by the liquid level sensor 23 is lower than the set minimum value, the second electromagnetic valve 21 is closed, and the first electromagnetic valve 20 is opened to perform the water injection work, when the liquid level value is higher than the set maximum value, the first electromagnetic valve 20 is closed, so as to complete the automatic water changing work.
[0029] Working principle: start fan 7, exhaust gas is discharged into the inner chamber of filter box 8 through air guide pipe 9, exhaust gas is filtered through filter screen 10, then exhaust gas is discharged into the inner chamber of box body 15 through fixed pipe 16, so as to be mixed with ammonia water, and the exhaust gas is desulfurized and denitrified, then the gas is discharged, and the motor 2 is started at the same time, the crank shaft 3 is driven to rotate by the motor 2, the movable rod 14 is driven to move by the crank shaft 3, the connecting column 13 is driven to move by the movable rod 14, the rectangular rod 12 is driven to move by the connecting column 13, the brush rod 11 is driven to move by the rectangular rod 12, the right side of the filter screen 10 is brushed, so as to avoid the blockage of the filter screen 10, the work of the crank shaft 3 also drives the stirring roller 17 to rotate, so that the exhaust gas and the ammonia water are mixed well, so that the treatment effect is good.
[0030] In the gas flow process, the heat exchange pipe 6 will pass through the heat exchange tank 1, and the water in the cavity of the heat exchange tank 1 will be used for heat exchange work, thereby cooling the exhaust gas, and also having the effect of waste heat recovery. The crankshaft 3 will also drive the driving gear 4 to rotate, the driving gear 4 drives the driven gear 5 to rotate, and the driven gear 5 drives the heat exchange pipe 6 to rotate, which stirs the water and makes the heat exchange effect good. The temperature value and liquid level value range are set through the external PLC controller. After the temperature sensor 22 detects that the temperature value is higher than the set value, the second electromagnetic valve 21 will be opened, so as to drain the water. After the liquid level sensor 23 detects that the liquid level value is lower than the set minimum value, the second electromagnetic valve 21 will be closed, and the first electromagnetic valve 20 will be opened to perform the water injection work. After detecting that the liquid level value is higher than the set maximum value, the first electromagnetic valve 20 will be closed, thereby completing the automatic water change work.
[0031] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various exemplary embodiments are by way of illustration only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily understand that many modifications can be made to the embodiments without materially departing from the novel teachings and advantages described in this application (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.). For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise changed, and the nature or number of elements or positions can be modified or changed. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the generality of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.
[0032] Furthermore, in the interest of providing a concise description of exemplary embodiments, not all features of an actual implementation can be described (i.e., those unrelated to the best mode of practicing the present application currently under consideration).
[0033] It should be explained finally that the above embodiment is only used to illustrate the technical scheme of the utility model, and is not the limit of the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently, and does not deviate from the essence and scope of the technical scheme of the utility model.
Claims
1. A tail gas treatment device for a Slep activation furnace, comprising a heat exchange box (1), characterized in that: The right side of the heat exchange box (1) is fixedly connected to a motor (2), the output end of the motor (2) is fixedly connected to a crank shaft (3), the right side of the back of the heat exchange box (1) is fixedly connected to a filter box (8), the right side of the filter box (8) is connected to an air guide pipe (9), the inner wall of the filter box (8) is fixedly connected to a filter screen (10), one side of the filter screen (10) contacts a brush rod (11), one side of the brush rod (11) is fixedly connected to a rectangular rod (12), the rectangular One side of the rod (12) is fixedly connected to a connecting column (13), and the surface of the connecting column (13) is movably connected to a movable rod (14), and one side of the movable rod (14) is movably connected to the crank shaft (3). The right side of the top of the heat exchange box (1) is fixedly connected to a box body (15), and one side of the box body (15) is sleeved with a fixed pipe (16), and one side of the fixed pipe (16) is connected to the filter box (8). The other side of the box body (15) is movably connected to a stirring roller (17).
2. The tail gas treatment device for a Slep activation furnace according to claim 1, characterized in that: The left side of the crankshaft (3) surface is fixedly connected to a driving gear (4), the top of the driving gear (4) is meshed with a driven gear (5), the inner cavity of the driven gear (5) is fixedly connected to a heat exchange tube (6), one side of the heat exchange tube (6) is movably connected to a fan (7), the right side of the heat exchange tube (6) is movably connected to the air guide tube (9), the left side of the top of the heat exchange box (1) is connected to a first solenoid valve (20), the top of the first solenoid valve (20) is connected to a tap water pipe, the bottom of the right side of the heat exchange box (1) is connected to a second solenoid valve (21), the right side of the second solenoid valve (21) is connected to a water outlet pipe, the bottom of the inner cavity of the heat exchange box (1) is fixedly connected to a temperature sensor (22), the top of the inner cavity of the heat exchange box (1) is fixedly connected to a liquid level sensor (23), and one side of the fan (7) is connected to the activation furnace through a smoke exhaust pipe.
3. The tail gas treatment device for a Slep activation furnace according to claim 1, characterized in that: A rectangular groove is provided on the rear side of the filter box (8), and the inner cavity of the rectangular groove is slidably connected to the rectangular rod (12).
4. The tail gas treatment device for a Slep activation furnace according to claim 1, characterized in that: A pulley (18) is fixedly connected to the center axis of the crankshaft (3) and the right side of the stirring roller (17), and a belt (19) is sleeved on the surface of the pulley (18).
5. The tail gas treatment device for a Slep activation furnace according to claim 2, characterized in that: One side of the fan (7) is fixedly connected to a bracket, and one side of the bracket is fixedly connected to the heat exchange box (1).
6. The tail gas treatment device for a Slep activation furnace according to claim 1, characterized in that: The right side of the bottom of the filter box (8) and the bottom of the left side of the box body (15) are both connected with a hollow pipe, and one side of the hollow pipe is movably connected with a control valve.
7. The tail gas treatment device for a Slep activation furnace according to claim 1, characterized in that: A circular hole is provided on the right side of the inner cavity of the box body (15), and a sealing ring is fixedly connected to the inner cavity of the circular hole.