CN216604681U - Ammonia process desulfurization ammonium sulfate drying fluidized bed tail gas processing apparatus - Google Patents
Ammonia process desulfurization ammonium sulfate drying fluidized bed tail gas processing apparatus Download PDFInfo
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- CN216604681U CN216604681U CN202122441722.9U CN202122441722U CN216604681U CN 216604681 U CN216604681 U CN 216604681U CN 202122441722 U CN202122441722 U CN 202122441722U CN 216604681 U CN216604681 U CN 216604681U
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Abstract
The utility model discloses a tail gas treatment device of an ammonia desulphurization ammonium sulfate drying fluidized bed, which comprises a production assembly, a tail gas treatment assembly and a tail gas treatment assembly, wherein the production assembly comprises a dryer, a dust remover connected with the dryer, a desulphurization induced draft fan matched with the dust remover, and a desulphurization tower connected with the desulphurization induced draft fan; and, the processing subassembly, including setting up the horizontal flue between desulfurization draught fan and desulfurizing tower and setting up the treatment tube in the horizontal flue, in this device ammonium sulfate is in dry fluidized bed with the tail gas takeover after the hot-air exchange directly send into the import of boiler draught fan in the desulfurizing tower in the discharge, utilize the interior major cycle of desulfurizing tower to spray the volume and come to carry out the secondary absorption washing to tail gas, do not need to invest in newly-built tail gas wash tank, the investment cost has been practiced thrift, also avoided the tail gas directly to spread in the desulfurizing tower and cause the flue gas to scurry the accident, the treatment process of dry tail gas has been accomplished with minimum investment cost, also realized the fundamental guarantee in the time of the safety and stability operation.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device of an ammonia desulphurization ammonium sulfate drying fluidized bed.
Background
At present, the tail gas treatment process after drying ammonium sulfate by ammonia desulphurization in China is divided into three types: tail gas is directly discharged into the atmosphere, the tail gas is directly discharged into the atmosphere after passing through a washing tower, the tail gas is sent into a desulfurizing tower and then is directly discharged into the atmosphere through a chimney 3 processes, in the tail gas directly discharged into the atmosphere process, because a cyclone dust collector is not completely separated, ammonium sulfate dried tail gas in the directly discharged atmosphere still carries a small amount of ammonium sulfate micro crystals, the pollution to the surrounding environment is caused, and the process cannot meet the requirement of environmental emission standard and is eliminated under increasingly severe environmental protection pressure; the equipment investment and the later maintenance cost of the tail gas entering the washing tower are high; the tail gas directly enters the desulfurizing tower process and is greatly influenced by the internal pressure of the desulfurizing tower, if the outlet pressure of the induced draft fan is low, the danger that the flue gas is reversely connected to the fluidized bed can occur, the personnel poisoning phenomenon can occur in serious cases, the induced draft fan with high outlet pressure needs to be selected, the stable operation of negative pressure in the fluidized bed is ensured, the dry induced draft fan needs to be operated for 24 hours all day, and the equipment maintenance time is saved.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above-mentioned problems of the conventional exhaust gas treatment.
Therefore, the utility model aims to provide a tail gas treatment device of an ammonia desulphurization ammonium sulfate drying fluidized bed.
In order to solve the technical problems, the utility model provides the following technical scheme: a tail gas treatment device of an ammonia desulphurization ammonium sulfate drying fluidized bed comprises a production assembly, a tail gas treatment assembly and a tail gas treatment assembly, wherein the production assembly comprises a dryer, a dust remover connected with the dryer, a desulphurization induced draft fan matched with the dust remover, and a desulphurization tower connected with the desulphurization induced draft fan; and the processing assembly comprises a horizontal flue arranged between the desulfurization induced draft fan and the desulfurization tower and a processing pipe arranged in the horizontal flue.
As a preferred scheme of the tail gas treatment device of the ammonia desulphurization ammonium sulfate drying fluidized bed, the method comprises the following steps: the other end of the horizontal flue is connected with a boiler induced draft fan, and one end of the boiler induced draft fan is connected with a boiler.
As a preferred scheme of the tail gas treatment device of the ammonia desulphurization ammonium sulfate drying fluidized bed, the method comprises the following steps: and a discharger is arranged below the dust remover.
As a preferred scheme of the tail gas treatment device of the ammonia desulphurization ammonium sulfate drying fluidized bed, the method comprises the following steps: and a circulating sprayer is arranged in the desulfurizing tower.
As a preferred scheme of the tail gas treatment device of the ammonia desulphurization ammonium sulfate drying fluidized bed, the utility model comprises the following steps: the treatment pipe comprises a pipe body arranged on the inner wall of the horizontal flue, a guide plate arranged in the pipe body and an adsorption filter plate matched with the guide plate, wherein more than two groups of guide grooves are formed in the guide plate.
As a preferred scheme of the tail gas treatment device of the ammonia desulphurization ammonium sulfate drying fluidized bed, the utility model comprises the following steps: the rotary grooves are formed in the upper portion and the lower portion of the tube body, and the adsorption filter plate is arranged right above the rotary grooves in the lower portion.
As a preferred scheme of the tail gas treatment device of the ammonia desulphurization ammonium sulfate drying fluidized bed, the method comprises the following steps: and more than two groups of adsorption strips are arranged on the surface of the rotary groove below the rotary groove.
As a preferred scheme of the tail gas treatment device of the ammonia desulphurization ammonium sulfate drying fluidized bed, the method comprises the following steps: and a heat insulation layer is arranged between the inner wall of the horizontal flue and the pipe body.
The utility model has the beneficial effects that: ammonium sulfate is in dry fluidized bed and directly send into boiler draught fan's import back with the tail gas takeover after the hot-air exchange and is discharged into the desulfurizing tower in, utilize the desulfurizing tower in the big circulation volume of spraying to carry out the secondary absorption washing to tail gas, need not invest in newly-built tail gas washing tank, the investment cost has been practiced thrift, also avoided tail gas directly arrange in the desulfurizing tower and cause the flue gas to scurry the accident, the treatment process of dry tail gas has been accomplished with minimum investment cost, also realized the fundamental guarantee when the safety and stability operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of the overall structure of a tail gas treatment device of an ammonia desulfurization ammonium sulfate drying fluidized bed of the present invention.
FIG. 2 is a schematic view of a treatment pipe structure of a tail gas treatment device of an ammonia desulfurization ammonium sulfate drying fluidized bed of the utility model.
FIG. 3 is a sectional view of the structure of a treatment pipe of the tail gas treatment device of an ammonia desulfurization ammonium sulfate drying fluidized bed of the utility model.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1-3, the tail gas treatment device of the ammonia desulphurization ammonium sulfate drying fluidized bed comprises a production assembly 100, a desulfurization unit and a desulfurization unit, wherein the production assembly 100 comprises a dryer 101, a dust remover 102 connected with the dryer 101, a desulfurization induced draft fan 103 matched with the dust remover 102, and a desulfurization tower 104 connected with the desulfurization induced draft fan 103; and the processing assembly 200 comprises a horizontal flue 201 arranged between the desulfurization induced draft fan 103 and the desulfurization tower 104 and a processing pipe 202 arranged in the horizontal flue 201.
Specifically, the main structure of the utility model comprises a production assembly 100, which comprises a dryer 101, a dust remover 102 connected with the dryer 101, a desulfurization induced draft fan 103 matched with the dust remover 102, and a desulfurization tower 104 connected with the desulfurization induced draft fan 103, wherein the matching means that tail gas enters the desulfurization induced draft fan 103 after being separated and collected by the dust remover 102 and then is transported to the desulfurization tower 104; and the treatment assembly 200 comprises a horizontal flue 201 arranged between the desulfurization draught fan 103 and the desulfurization tower 104 and a treatment pipe 202 arranged in the horizontal flue 201, wherein water absorption filter cloth and a heat insulation cushion material are arranged in the treatment pipe 202 in the embodiment, so that fine particles and residual water molecules in the tail gas can be subjected to secondary treatment, and the heat loss of the tail gas in the horizontal flue 201 is reduced.
The operation process is as follows: in the ammonium sulfate discharging operation stage, a desulfurization induced draft fan 103 and a dryer 101 are started, ammonium sulfate materials with the water content of about 3-5% enter the dryer 101, meanwhile, dry hot air enters, the materials entering the dryer 101 and the hot air move forward gradually along with the vibration of a bed body, moisture in the materials is evaporated, and product materials are discharged. And the tail gas carrying a small amount of fine powder enters the dust remover 102 for separation and collection, and the dried tail gas is sent to the desulfurizing tower 104 through the desulfurizing induced draft fan 103 through the horizontal flue 201 for washing and dust removal.
Example 2
Referring to fig. 1-3, this embodiment differs from the first embodiment in that: the other end of the horizontal flue 201 is connected with a boiler induced draft fan 203, and one end of the boiler induced draft fan 203 is connected with a boiler 204; a discharger 105 is arranged below the dust remover 102; the desulfurization tower 104 is provided therein with a circulating shower 106, and the rest of the structure is the same as that of example 1.
Specifically, the other end of the horizontal flue 201 is connected with a boiler induced draft fan 203, and one end of the boiler induced draft fan 203 is connected with a boiler 204; a discharger 105 for discharging is arranged below the dust remover 102; the desulfurizing tower 104 is internally provided with a circulating sprayer 106 for treating tail gas, the desulfurizing induced draft fan 103 can be stopped in the ammonium sulfate discharging stopping stage, and the boiler induced draft fan 203 is used for pumping negative pressure, so that the smoke back-flowing accident can not occur.
The operation process is as follows: the product materials are discharged through a discharger 105 and then sent to a warehouse, and the dried tail gas is discharged to a boiler induced draft fan 203 through a desulfurization induced draft fan 103 and then sent to a desulfurization tower 104 through a horizontal flue 201 to be washed and dedusted through a circulating sprayer 106.
Example 3
Referring to fig. 1-3, this embodiment differs from the above embodiments in that: the treatment pipe 202 comprises a pipe body 202a arranged on the inner wall of the horizontal flue 201, a guide plate 202b arranged in the pipe body 202a, and an adsorption filter plate 202c matched with the guide plate 202b, wherein more than two groups of guide grooves 202d are formed in the guide plate 202 b; rotary grooves 202e are formed above and below the tube body 202a, and the adsorption filter plate 202c is arranged right above the rotary groove 202e below; more than two groups of adsorption strips 202f are arranged on the surface of the lower rotary groove 202 e; an insulating layer 205 is arranged between the inner wall of the horizontal flue 201 and the pipe body 202a, and the rest of the structure is the same as that of the embodiment 2.
Specifically, the treatment tube 202 comprises a tube body 202a arranged on the inner wall of the horizontal flue 201, a guide plate 202b arranged in the tube body 202a, and an adsorption filter plate 202c matched with the guide plate 202b, the guide plate 202b is arranged close to the tube body 202a and has a certain radian, the guide plate 202b is provided with more than two groups of guide grooves 202d, the guide grooves 202d are transversely arranged and evenly arranged on the guide plate 202b at intervals, and after the tail gas enters the tube body 202a, a certain rotational flow is generated to approach the adsorption filter plate 202c due to the radian of the guide plate 202b and the orientation of the guide grooves 202d, so as to perform secondary treatment; rotary grooves 202e are formed above and below the tube body 202a, and the adsorption filter plate 202c is arranged right above the rotary groove 202e below; the surface of the lower spiral groove 202e is provided with more than two groups of adsorption strips 202f, the adsorption filter plate 202c has a certain water absorption function, in the embodiment, the adsorption filter plate 202c is a filter screen provided with water absorption filter cloth, the adsorption strips 202f have a certain dust absorption function, and in the embodiment, the adsorption strips 202f are made of chemical fiber materials; an insulating layer 205 is arranged between the inner wall of the horizontal flue 201 and the pipe 202a for insulating the tail gas in the pipe 202 a.
The specific implementation principle is as follows: the guide plate 202b is disposed in close contact with the pipe body 202a and has a curvature, and since the guide groove 202d is disposed toward the adsorption filter plate 202c, the exhaust gas generates a certain rotational flow and approaches the adsorption filter plate 202 c; the adsorption filter plate 202c has a certain water absorption function, the adsorption strip 202f has a certain dust absorption function, and the adsorption strip 202f performs secondary treatment on fine particles and residual water molecules in the tail gas, and the heat insulation layer 205 reduces heat loss of the tail gas in the tube body 202 a.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative 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 appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. 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 may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. The utility model provides an ammonia process desulfurization ammonium sulfate drying fluidized bed tail gas processing apparatus which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the production assembly (100) comprises a dryer (101), a dust remover (102) connected with the dryer (101), a desulfurization induced draft fan (103) matched with the dust remover (102), and a desulfurization tower (104) connected with the desulfurization induced draft fan (103); and the number of the first and second groups,
the processing assembly (200) comprises a horizontal flue (201) arranged between the desulfurization induced draft fan (103) and the desulfurization tower (104) and a processing pipe (202) arranged in the horizontal flue (201).
2. The ammonia desulfurization ammonium sulfate drying fluidized bed tail gas treatment device of claim 1, characterized in that: the other end of the horizontal flue (201) is connected with a boiler induced draft fan (203), and one end of the boiler induced draft fan (203) is connected with a boiler (204).
3. The ammonia desulfurization ammonium sulfate drying fluidized bed tail gas treatment device of claim 1 or 2, characterized in that: a discharger (105) is arranged below the dust remover (102).
4. The device for treating tail gas of an ammonia desulphurization ammonium sulfate drying fluidized bed as claimed in claim 3, wherein: and a circulating sprayer (106) is arranged in the desulfurizing tower (104).
5. The ammonia desulfurization ammonium sulfate drying fluidized bed tail gas treatment device of claim 1 or 4, characterized in that: the treatment pipe (202) comprises a pipe body (202a) arranged on the inner wall of the horizontal flue (201), a guide plate (202b) arranged in the pipe body (202a), and an adsorption filter plate (202c) matched with the guide plate (202b), wherein more than two groups of guide grooves (202d) are formed in the guide plate (202 b).
6. The device for treating tail gas of an ammonia desulphurization ammonium sulfate drying fluidized bed as claimed in claim 5, wherein: spiral grooves (202e) are formed in the upper portion and the lower portion of the tube body (202a), and the adsorption filter plate (202c) is arranged right above the spiral grooves (202e) in the lower portion.
7. The device for treating tail gas of an ammonia desulphurization ammonium sulfate drying fluidized bed as claimed in claim 6, wherein: more than two groups of adsorption strips (202f) are arranged on the surface of the rotary groove (202e) below.
8. The ammonia desulfurization ammonium sulfate drying fluidized bed tail gas treatment device of claim 7, characterized in that: an insulating layer (205) is arranged between the inner wall of the horizontal flue (201) and the pipe body (202 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122441722.9U CN216604681U (en) | 2021-10-11 | 2021-10-11 | Ammonia process desulfurization ammonium sulfate drying fluidized bed tail gas processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122441722.9U CN216604681U (en) | 2021-10-11 | 2021-10-11 | Ammonia process desulfurization ammonium sulfate drying fluidized bed tail gas processing apparatus |
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| CN216604681U true CN216604681U (en) | 2022-05-27 |
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| CN202122441722.9U Active CN216604681U (en) | 2021-10-11 | 2021-10-11 | Ammonia process desulfurization ammonium sulfate drying fluidized bed tail gas processing apparatus |
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