CN219333647U - Tail gas washing and circulating system - Google Patents
Tail gas washing and circulating system Download PDFInfo
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- CN219333647U CN219333647U CN202223325775.5U CN202223325775U CN219333647U CN 219333647 U CN219333647 U CN 219333647U CN 202223325775 U CN202223325775 U CN 202223325775U CN 219333647 U CN219333647 U CN 219333647U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides a tail gas washing and circulating system which comprises a circulating water tank, a first washing device and a second washing device, wherein the circulating water tank is provided with a circulating cavity, and a circulating inlet and a circulating outlet which are communicated with the circulating cavity; the first washing device is provided with a first washing cavity, a first washing inlet and a first washing outlet, wherein the first washing inlet and the first washing outlet are communicated with the first washing cavity; the second washing device is provided with a second washing cavity, a second washing inlet and a second washing outlet, wherein the second washing inlet and the second washing outlet are communicated with the second washing cavity; wherein, the first washing inlet and the second washing inlet are communicated with the circulating outlet, and the first washing outlet and the second washing outlet are communicated with the circulating inlet, so that the first washing device and the second washing device are communicated in parallel. The utility model solves the problems of high economic cost of repeated configuration of main equipment and facilities, poor washing effect, and high water consumption caused by the fact that water resources cannot be recovered in the prior art by singly configuring the ammonium sulfate tail gas washing device.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a tail gas washing and circulating system.
Background
In the ammonia desulfurization process, the drying air of the desulfurization device contains ammonium sulfate, the direct discharge can pollute the environment, the tail gas in the device is required to be washed and then discharged, in the prior art, a tail gas washing device is usually arranged on each device independently, the main equipment and facilities are repeatedly arranged, the economic cost is high, but the problems of insufficient circulation quantity, poor washing effect and out-of-standard particulate matters exist, moreover, the washing liquid is difficult to recover, and the generated water consumption is high.
Disclosure of Invention
The utility model mainly aims to provide a tail gas washing and circulating system, which aims to solve the problems that in the prior art, an ammonium sulfate tail gas washing device is independently arranged, the repeated arrangement of main equipment facilities is high in economic cost, but the washing effect is poor, water resources cannot be recovered, and the water consumption is high.
In order to achieve the above object, the present utility model provides an exhaust gas washing and circulating system, comprising a circulating water tank, a first washing device and a second washing device, wherein the circulating water tank is provided with a circulating cavity, and a circulating inlet and a circulating outlet which are communicated with the circulating cavity; the first washing device is provided with a first washing cavity, a first washing inlet and a first washing outlet, wherein the first washing inlet and the first washing outlet are communicated with the first washing cavity, and the first washing cavity is used for washing ammonium sulfate particles in tail gas; the second washing device is provided with a second washing cavity, a second washing inlet and a second washing outlet, wherein the second washing inlet and the second washing outlet are communicated with the second washing cavity, and the second washing cavity is used for washing ammonium sulfate liquid drops in the tail gas; wherein, the first washing inlet and the second washing inlet are communicated with the circulating outlet, and the first washing outlet and the second washing outlet are communicated with the circulating inlet, so that the first washing device and the second washing device are communicated in parallel.
Further, the tail gas washing and circulating system further comprises a first pump body structure, wherein a pipeline with a circulating outlet communicated with the first washing inlet is provided with the first pump body structure; and/or a first pump body structure is arranged on a pipeline for communicating the circulating outlet with the second washing inlet.
Further, the tail gas washing and circulating system further comprises a first circulating trunk, a first branch pipeline and a second branch pipeline, wherein the first end of the first circulating trunk is communicated with the circulating outlet; the first end of the first branch pipeline is communicated with the second end of the first circulation trunk, and the second end of the first branch pipeline is communicated with the first washing inlet; the first end of the second branch pipeline is communicated with the second end of the first circulation trunk, and the second end of the second branch pipeline is communicated with the second washing inlet.
Further, the tail gas washing and circulating system further comprises a first pump body structure, and at least one of the first circulating trunk, the first branch pipeline and the second branch pipeline is provided with the first pump body structure.
Further, the first pump body structure is a water washing pump.
Further, the circulating water tank is also provided with a liquid supplementing port, the liquid supplementing port is communicated with the circulating cavity, the tail gas washing circulating system further comprises a liquid supplementing pipeline, the first end of the liquid supplementing pipeline is communicated with an external water source, and the second end of the liquid supplementing pipeline is communicated with the liquid supplementing port.
Further, the tail gas washing and circulating system further comprises a second circulating trunk, a third branch pipeline and a fourth branch pipeline, wherein the first end of the second circulating trunk is communicated with the circulating inlet; the first end of the third branch pipeline is communicated with the second end of the second circulation trunk, and the second end of the third branch pipeline is communicated with the first washing outlet; the first end of the fourth branch pipeline is communicated with the second end of the second circulation trunk, and the second end of the fourth branch pipeline is communicated with the second washing outlet.
Further, the tail gas washing and circulating system further comprises a second pump body structure, and at least one of the second circulating trunk, the third branch pipeline and the fourth branch pipeline is provided with the second pump body structure.
Further, at least one of the first washing chamber and the second washing chamber is provided with a spray structure to wash the exhaust gas through the spray structure.
Further, the first washing device is a washing tank, and the second washing device is a desulfurizing tower.
By applying the technical scheme of the utility model, water in the circulating water tank respectively enters the first washing device and the second washing device through the circulating outlet, and water after tail gas washing enters the circulating water tank through the circulating inlet after flowing out of the first washing outlet of the first washing device and the second washing outlet of the second washing device, so that the first washing device and the second washing device are interconnected and communicated, the effect that the tail gas washing can be carried out for two devices by arranging one circulating water tank is realized, and meanwhile, the water after tail gas washing is recycled to the circulating water tank for cyclic utilization, and the consumption of water resources is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 shows a schematic diagram of the structure of an exhaust gas washing cycle according to an alternative embodiment of the present utility model.
Wherein the above figures include the following reference numerals:
10. a circulation water tank; 20. a first washing device; 30. a second washing device; 40. a first pump body structure; 50. a first circulation trunk; 51. a first branch conduit; 52. a second branch conduit; 60. a fluid supplementing pipeline; 70. a second circulation trunk; 71. a third branch conduit; 72. a fourth branch conduit; 80. a second pump body structure; 100. and an external water source.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a tail gas washing and circulating system, which aims to solve the problems that in the prior art, a single ammonium sulfate tail gas washing device is configured, the repeated configuration of main equipment and facilities has high economic cost, but the washing effect is poor, and water resources cannot be recovered, so that the water consumption is high.
As shown in fig. 1, the exhaust gas washing circulation system includes a circulation tank 10, a first washing device 20, and a second washing device 30, wherein the circulation tank 10 has a circulation chamber, and a circulation inlet and a circulation outlet communicating with the circulation chamber; the first washing device 20 has a first washing chamber for washing ammonium sulfate particles in the exhaust gas, a first washing inlet and a first washing outlet in communication with the first washing chamber; the second washing device 30 has a second washing chamber for washing ammonium sulfate droplets in the tail gas, a second washing inlet and a second washing outlet in communication with the second washing chamber; wherein the first wash inlet and the second wash inlet are both in communication with the circulation inlet, and the first wash outlet and the second wash outlet are both in communication with the circulation inlet, such that the first wash device 20 is in parallel communication with the second wash device 30.
By applying the technical scheme of the utility model, water in the circulating water tank 10 respectively enters the first washing device 20 and the second washing device 30 through the circulating outlet, after tail gas washing is carried out, the water flows out through the first washing outlet of the first washing device 20 and the second washing outlet of the second washing device 30 and enters the circulating water tank 10 through the circulating inlet, so that the first washing device and the second washing device are interconnected and communicated, the effect that two tail gas washing can be carried out by only arranging one circulating water tank 10 is realized, and meanwhile, the washing liquid after tail gas washing is recycled to the circulating water tank 10 for cyclic utilization, and the consumption of water resources is reduced.
In the present application, the washing liquid is water, and the water may dissolve the ammonium sulfate solid.
As shown in fig. 1, the exhaust gas washing circulation system further includes a first pump body structure 40, wherein a pipeline with a circulation outlet communicated with the first washing inlet is provided with the first pump body structure 40; and/or, a first pump body structure 40 is arranged on a pipeline with the circulation outlet communicated with the second washing inlet. Thus, the first pump body structure 40 is arranged on the pipeline with the circulation outlet communicated with the first washing inlet, the first pump body structure 40 pumps out water in the circulation water tank 10, the water enters the first washing device 20 and the second washing device 30 respectively, the first pump body structure 40 is arranged on the pipeline with the circulation outlet communicated with the second washing inlet, and the water with the tail gas washing in the first washing device 20 and the second washing device 30 is recycled in the circulation water tank 10 by the first pump body structure 40.
In the present application, the flow rate of the first pump body structure 40 is 800m 3 And/h, the lift of the first pump body structure 40 is 0.5MPa, and the flow and the lift of the first pump body structure 40 are high, so that the tail gas at the first washing device 20 and the second washing device 30 can be sufficiently washed.
As shown in fig. 1, the exhaust gas washing circulation system further includes a first circulation trunk 50, a first branch pipe 51, and a second branch pipe 52, wherein a first end of the first circulation trunk 50 is communicated with the circulation outlet; a first end of the first bypass duct 51 communicates with a second end of the first circulation trunk 50, and a second end of the first bypass duct 51 communicates with the first washing inlet; the first end of the second bypass conduit 52 communicates with the second end of the first circulation trunk 50, and the second end of the second bypass conduit 52 communicates with the second wash inlet. Thus, the washing liquid in the circulation tank 10 enters the first branch pipe 51 through the first circulation trunk 50 and enters the first washing device 20 through the first washing inlet, and at the same time, the circulation tank 10 enters the second branch pipe 52 through the first circulation trunk 50 and enters the second washing device 30 through the second washing inlet, thereby completing the washing of the tail gas at the first washing device 20 and the second washing device 30.
As shown in fig. 1, the exhaust gas washing circulation system further includes a first pump body structure 40, and at least one of the first circulation trunk 50, the first branch pipe 51, and the second branch pipe 52 is provided with the first pump body structure 40. In this way, the first pump body structure 40 functions to supply the first washing device 20 and the second washing device 30 with washing liquid.
In this application, the first pump body structure 40 is a water pump.
As shown in fig. 1, the circulating water tank 10 further has a fluid-supplementing port, the fluid-supplementing port is communicated with the circulating cavity, the tail gas washing circulating system further comprises a fluid-supplementing pipeline 60, a first end of the fluid-supplementing pipeline 60 is communicated with an external water source 100, and a second end of the fluid-supplementing pipeline 60 is communicated with the fluid-supplementing port. Thus, when the amount of the washing liquid in the circulation tank 10 is insufficient, the external water source 100 supplements the washing liquid to the circulation tank 10 through the liquid supplementing pipe 60, thereby ensuring that the washing operation is continuously performed.
As shown in fig. 1, the exhaust gas washing circulation system further includes a second circulation trunk 70, a third branch pipe 71, and a fourth branch pipe 72, wherein a first end of the second circulation trunk 70 communicates with the circulation inlet; the first end of the third branch pipe 71 communicates with the second end of the second circulation trunk 70, and the second end of the third branch pipe 71 communicates with the first washing outlet; the first end of the fourth bypass conduit 72 communicates with the second end of the second circulation trunk 70, and the second end of the fourth bypass conduit 72 communicates with the second wash outlet. Thus, after the washing operation is completed, the washing liquid in the first washing device 20 enters the third branch pipeline 71 and enters the circulating water tank 10 through the second circulating trunk pipeline 70, meanwhile, the water washed in the second washing device 30 enters the fourth branch pipeline 72 and enters the circulating water tank 10 through the second circulating trunk pipeline 70 for reuse, thereby realizing the recycling of the washing liquid and reducing the consumption of the washing liquid.
In this application, the exhaust gas washing and circulating system further includes a second pump structure 80, and at least one of the second circulation trunk 70, the third branch pipe 71, and the fourth branch pipe 72 is provided with the second pump structure 80. In this way, when the distance between the first washing device 20 and the second washing device 30 is too long or the height between the first washing device 20 and the second washing device 30 in the vertical direction cannot realize the automatic backflow of the washing liquid, the washing liquid in the first washing device 20 and the second washing device 30 can be recovered to the circulating water tank 10 through the second pump structure 80, so that the washing liquid can be ensured to be reused.
As shown in fig. 1, at least one of the first washing chamber and the second washing chamber is provided with a spray structure to wash the exhaust gas through the spray structure. In this way, the ammonium sulfate in the tail gas is dissolved in water through the spraying structure and is recycled into the circulating water tank 10, so that the content of the ammonium sulfate in the tail gas is reduced.
In the present application, the first scrubbing device 20 is an ammonium sulfate dry tail gas scrubbing tank, and the second scrubbing device 30 is a boiler flue gas desulfurization tower. In this way, the washing liquid dissolves ammonium sulfate particles in the tail gas in the washing tank and flows out from the third branch pipeline 71, meanwhile, the washing liquid captures ammonium sulfate droplets in the air in the desulfurizing tower and is discharged from the fourth branch pipeline 72, and the washing liquid in the third branch pipeline 71 and the fourth branch pipeline 72 is converged to the second circulation trunk 70 and finally enters the circulation water tank 10, so that the circulation utilization of the washing liquid is realized.
In the present application, the index control range of the exhaust particulate matter washed by the exhaust gas washing circulation system of the present application is 10mg/Nm or less 3 。
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An exhaust gas scrubbing and circulating system, comprising:
a circulation water tank (10), the circulation water tank (10) having a circulation chamber, a circulation inlet and a circulation outlet communicating with the circulation chamber;
a first washing device (20), wherein the first washing device (20) is provided with a first washing cavity, a first washing inlet and a first washing outlet, wherein the first washing inlet and the first washing outlet are communicated with the first washing cavity, and the first washing cavity is used for washing ammonium sulfate particles in tail gas;
a second washing device (30), wherein the second washing device (30) is provided with a second washing cavity, a second washing inlet and a second washing outlet, wherein the second washing inlet and the second washing outlet are communicated with the second washing cavity, and the second washing cavity is used for washing ammonium sulfate liquid drops in tail gas;
wherein the first washing inlet and the second washing inlet are both in communication with the circulation outlet, and the first washing outlet and the second washing outlet are both in communication with the circulation inlet, such that the first washing device (20) is in parallel communication with the second washing device (30).
2. The exhaust gas washing cycle system according to claim 1, further comprising a first pump body structure (40), wherein,
a first pump body structure (40) is arranged on a pipeline, wherein the circulating outlet is communicated with the first washing inlet; and/or a first pump body structure (40) is arranged on a pipeline for communicating the circulating outlet with the second washing inlet.
3. The exhaust gas washing cycle system of claim 1, further comprising:
a first circulation trunk (50), a first end of the first circulation trunk (50) being in communication with the circulation outlet;
-a first branch conduit (51), a first end of the first branch conduit (51) being in communication with a second end of the first circulation trunk (50), a second end of the first branch conduit (51) being in communication with the first wash inlet;
-a second branch conduit (52), a first end of the second branch conduit (52) being in communication with a second end of the first circulation trunk (50), a second end of the second branch conduit (52) being in communication with the second wash inlet.
4. The exhaust gas washing cycle system of claim 3, further comprising:
-a first pump body structure (40), at least one of the first circulation trunk (50), the first branch duct (51), the second branch duct (52) being provided with the first pump body structure (40).
5. The exhaust gas washing cycle system according to claim 2 or 4, characterized in that the first pump body structure (40) is a water wash pump.
6. The exhaust gas washing cycle system according to claim 1, characterized in that the circulation tank (10) further has a fluid-supplementing port, which communicates with the circulation chamber, the exhaust gas washing cycle system further comprising:
the liquid supplementing pipeline (60), a first end of the liquid supplementing pipeline (60) is communicated with an external water source (100), and a second end of the liquid supplementing pipeline (60) is communicated with the liquid supplementing port.
7. The exhaust gas washing cycle system of claim 1, further comprising:
a second circulation trunk (70), a first end of the second circulation trunk (70) being in communication with the circulation inlet;
-a third branch conduit (71), a first end of the third branch conduit (71) being in communication with a second end of the second circulation trunk (70), a second end of the third branch conduit (71) being in communication with the first washing outlet;
-a fourth branch conduit (72), a first end of the fourth branch conduit (72) being in communication with a second end of the second circulation trunk (70), a second end of the fourth branch conduit (72) being in communication with the second washing outlet.
8. The exhaust gas washing cycle system of claim 7, further comprising:
-a second pump body structure (80), at least one of the second circulation trunk (70), the third branch duct (71), the fourth branch duct (72) being provided with the second pump body structure (80).
9. The exhaust gas washing cycle system of claim 1, wherein at least one of the first washing chamber and the second washing chamber is provided with a spray structure to wash the exhaust gas through the spray structure.
10. The exhaust gas washing cycle system according to claim 1, wherein the first washing device (20) is a wash tank and the second washing device (30) is a desulfurizing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325775.5U CN219333647U (en) | 2022-12-12 | 2022-12-12 | Tail gas washing and circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325775.5U CN219333647U (en) | 2022-12-12 | 2022-12-12 | Tail gas washing and circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219333647U true CN219333647U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223325775.5U Active CN219333647U (en) | 2022-12-12 | 2022-12-12 | Tail gas washing and circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219333647U (en) |
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2022
- 2022-12-12 CN CN202223325775.5U patent/CN219333647U/en active Active
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