CN214075827U - Desulfurization absorption tower slurry foaming eliminating device - Google Patents
Desulfurization absorption tower slurry foaming eliminating device Download PDFInfo
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- CN214075827U CN214075827U CN202021916637.2U CN202021916637U CN214075827U CN 214075827 U CN214075827 U CN 214075827U CN 202021916637 U CN202021916637 U CN 202021916637U CN 214075827 U CN214075827 U CN 214075827U
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Abstract
The embodiment of the utility model provides a desulfurization absorption tower slurry foaming eliminating device, wherein a defoaming agent device is communicated on a pit of an absorption tower through a first connecting pipe; be equipped with the camera in the absorption tower pit, camera and DCS communication connection, the camera is arranged in monitoring absorption tower pit's thick liquid. The defoaming agent in the defoaming agent device is added into the pit of the absorption tower, so that the aim of eliminating slurry bubbles is fulfilled, and the elimination condition of the slurry bubbles in the pit of the absorption tower can be conveniently observed by the camera. The other end of the propeller penetrates through the outer wall of the bottom of the water outlet pipe and is arranged inside the water outlet pipe, and the other end of the propeller is vertical to the axis of the water outlet pipe; set up the defoaming agent device, reduce the direct defoaming agent that adds toward the absorption tower pit of operator, make the waste gas of operator contactless absorption tower pit or the liquid that splashes to improve the security, the screw enables the defoaming agent liquid stirring in the casing, more is favorable to eliminating the thick liquid bubble.
Description
Technical Field
The utility model relates to the technical field of desulfurization absorption tower, what especially involved is a foamed remove device of desulfurization absorption tower thick liquid.
Background
More than 80% of coal in China is converted into other forms of energy in a direct combustion mode, and SO2 generated by coal combustion is a main source of air pollution. Flue gas desulfurization is the main measure for controlling SO2 pollution, and wet flue gas desulfurization technology is widely adopted as the most mature and effective mainstream technology.
The absorption tower is used as the most important reaction equipment in wet desulphurization, and the internal gypsum slurry state is complex in the operation process. Factors such as the influence of water in the slurry on the surface tension of the slurry, the disturbance of the input of a stirrer and a circulating pump on the slurry, the blowing of oxidizing air, ultrafine particles carried in the slurry after dust removal by a bag-type dust remover and the like can cause the gypsum slurry to generate a large amount of bubbles, and the foaming of the gypsum slurry in an absorption tower is a common problem in the operation of various desulfurization devices.
The conventional treatment methods are as follows: adding defoaming agent to eliminate partial foam. The method is the most direct and effective means for inhibiting the overflow of the absorption tower by adding the special defoaming agent for desulfurization, and after the slurry in the absorption tower is foamed, 2-5 Kg of defoaming agent is added periodically every day. At present, the discovery of foaming and the addition of the special defoaming agent for desulfurization are manually operated, a trench cover plate needs to be turned up, and the barreled defoaming agent is poured into a pit. The untimely discovery often causes environmental pollution and slurry waste, and also causes the stable and safe operation of a desulfurization system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a desulfurization absorption tower slurry bubbling eliminating device, which aims to monitor slurry bubbling and eliminate slurry bubbling.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an apparatus for eliminating slurry foaming in a desulfurization absorption tower, comprising: the absorption tower is communicated with the absorption tower pit through an overflow pipe; the absorption tower pit is communicated with the absorption tower through a circulating pipe; the circulating pipe is provided with a metering pump and also comprises a defoaming agent device which is communicated with the pit of the absorption tower through a first connecting pipe; a camera is arranged in the absorption tower pit and is in communication connection with the DCS, and the camera is used for monitoring slurry in the absorption tower pit;
the defoaming agent device comprises: the device comprises a shell, a propeller, supporting legs, a motor base, a motor, a fixed rod and a water outlet pipe; the bottom of the shell is connected with the supporting legs, the fixed rod is connected to the supporting legs, the bottom of the shell is provided with a water outlet pipe, and the water outlet pipe is L-shaped; the motor base is arranged on the fixed rod, the motor is arranged on the motor base, and the shaft end of the motor is connected with one end of the propeller; the other end of the propeller penetrates through the outer wall of the bottom of the water outlet pipe and is arranged inside the water outlet pipe, and the other end of the propeller is perpendicular to the axis of the water outlet pipe; the motor drives the propeller to rotate in the water outlet pipe.
Further, still include the gypsum jar, the gypsum jar passes through the second connecting pipe intercommunication on the absorption tower, and the gypsum of absorption tower is discharged to the gypsum jar, makes fresh thick liquid mend in the absorption tower.
Further, still include desulfurization waste water jar, desulfurization waste water jar passes through the third connecting pipe intercommunication on the absorption tower, and the desulfurization waste water of absorption tower discharges the desulfurization waste water jar in, guarantees the quality of the interior thick liquid of absorption tower.
Furthermore, a temperature sensing measuring point and a humidity measuring point are arranged in the defoaming device and are in communication connection with the DCS.
Further, the housing is cylindrical in shape.
Further, the material of outlet pipe is stainless steel.
Further, the water heater also comprises an electric heating wire which is coiled on the outer wall of the water outlet pipe.
Further, still include the level gauge, the level gauge sets up on the outer wall of casing.
Compared with the prior art, the utility model has the following advantages;
the utility model provides a desulfurization absorption tower thick liquid foamy remove device, in the thick liquid bubble in the absorption tower flowed into the absorption tower pit through the overflow pipe, add defoaming agent in the defoaming agent device to the absorption tower pit to reach the purpose of eliminating the thick liquid bubble, the camera conveniently observes the elimination condition of the thick liquid bubble in the absorption tower pit;
the shaft end of the motor is connected with one end of the propeller; the other end of the propeller penetrates through the outer wall of the bottom of the water outlet pipe and is arranged inside the water outlet pipe, and the other end of the propeller is perpendicular to the axis of the water outlet pipe; the motor drives the propeller to rotate in the water outlet pipe; set up the defoaming agent device, reduce the direct defoaming agent that adds toward the absorption tower pit of operator, make the waste gas of operator contactless absorption tower pit or the liquid that splashes to improve the security, the screw enables the defoaming agent liquid stirring in the casing, more is favorable to eliminating the thick liquid bubble.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, the present invention provides other technical problems that can be solved, other technical features included in the technical solutions, and advantages brought by the technical features, and further detailed descriptions will be made in the detailed description of the embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic connection diagram of an apparatus for eliminating slurry foaming in a desulfurization absorption tower according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of an antifoaming agent device provided by an embodiment of the present invention
Reference numerals:
1. a defoamer device; 101. a housing; 102. a liquid level meter; 103. a propeller; 104. supporting legs; 105. A motor base; 106. a motor; 107. fixing the rod; 108. a water outlet pipe; 2. an overflow pipe; 3. measuring points by temperature sensing; 4. measuring a humidity point; 5. an absorption tower; 6. a second connecting pipe; 7. a gypsum tank; 8. a third connecting pipe; 9. a desulfurization waste water tank; 10. a circulation pipe; 11. an absorption tower pit; 12. a first connecting pipe.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides
Referring to fig. 1, an apparatus for removing slurry foaming in a desulfurization absorption tower comprises: the system comprises an absorption tower 5, a defoaming agent device 1, an absorption tower pit 11 and a slurry pool positioned at the bottom of the absorption tower 5, wherein the absorption tower 5 is communicated with the absorption tower pit 11 through an overflow pipe 2; the absorption tower pit 11 is communicated with the absorption tower 5 through a circulating pipe 10; a metering pump is arranged on the circulating pipe 10; the system also comprises a defoaming agent device 1, wherein the defoaming agent device 1 is communicated with the absorption tower pit 11 through a first connecting pipe 12; a camera is arranged in the absorption tower pit 11 and is in communication connection with the DCS, and the camera is used for monitoring the slurry in the absorption tower pit 11;
the defoaming device 1 is also connected with a metering pump, when slurry bubbles appear in the absorption tower pit 11, the metering pump of the defoaming device 1 is started, and a defoaming agent is added into the absorption tower pit 11 to eliminate the slurry bubbles in the absorption tower pit 11; the camera is in communication connection with the DCS, so that slurry bubbles in the absorption tower pit 11 can be observed conveniently.
As shown in fig. 2, the defoaming agent device 1 includes: the device comprises a shell 101, a propeller 103, support legs 104, a motor base 105, a motor 106, a fixing rod 107 and a water outlet pipe 108; the outer bottom of the shell 101 is welded with supporting legs 104, a fixed rod 107 is welded on the supporting legs 104, the bottom of the shell 101 is provided with a hole, a water outlet pipe 108 is welded at the hole opening, and the water outlet pipe 108 is L-shaped; the motor base 105 is welded on the fixed rod 107, the motor 106 is installed on the motor base 105 through bolts, and the shaft end of the motor 106 is connected with one end of the propeller 103; the other end of the propeller 103 penetrates through the outer wall of the bottom of the water outlet pipe 108 and is arranged inside the water outlet pipe 108, and the other end of the propeller 103 is vertical to the axis of the water outlet pipe 108; the motor 106 drives the propeller 103 to rotate in the water outlet pipe 108.
The inner bottom wall of the housing 101 is inclined slightly downward, so that the prepared defoaming agent liquid flows out from the water outlet pipe 108 quickly, and the defoaming agent liquid is prevented from settling inside the housing 101. The connection between the motor 106 and the propeller 103 can be realized by welding a first flange at the shaft end of the motor 106 and welding a second flange at one end of a polished rod of the propeller 103, and connecting the first flange and the second flange through bolts. The propeller 103 is connected with the water pipe in a sealing way; for example, a screw mixer may be used; screw feed mechanisms may also be employed. The water outlet pipe 108 is connected with the first connecting pipe 12 through a joint.
Preferably, the housing 101 is cylindrical in shape.
Preferably, the material of the water outlet pipe 108 is stainless steel, so that the water outlet pipe 108 cannot be broken when the propeller 103 rotates.
Preferably, the electric heating device further comprises an electric heating wire, the electric heating wire is coiled on the outer wall of the water outlet pipe 108, and liquid in the water outlet pipe 108 can be prevented from being solidified by heating the water outlet pipe 108 when the electric heating device is just started, so that the motor 106 drives the propeller 103 to be easier.
Preferably, the anti-foaming agent tank further comprises a liquid level meter 102, wherein the liquid level meter 102 is arranged on the outer wall of the shell, and the anti-foaming agent tank is convenient to observe when the anti-foaming agent tank is configured.
Preferably, the slurry absorption device further comprises a gypsum tank 7, wherein the gypsum tank 7 is communicated with the absorption tower 5 through a second connecting pipe 6, gypsum in the absorption tower 5 is discharged into the gypsum tank 7, and fresh slurry is continuously supplemented into the absorption tower 5 by increasing the discharge of the gypsum.
Preferably, the desulfurization waste water tank 9 is further included, the desulfurization waste water tank 9 is communicated with the absorption tower 5 through a third connecting pipe 8, and the desulfurization waste water of the absorption tower 5 is discharged into the desulfurization waste water tank 9, so that the content of heavy metal ions, Cl-, organic matters, suspended matters and various impurities in the slurry of the absorption tower 5 is reduced, and the quality of the slurry in the absorption tower 5 is ensured.
It should be noted that the absorption tower 5 discharges gypsum into the gypsum tank 7, the absorption tower 5 discharges desulfurization wastewater into the desulfurization wastewater tank 9, and a metering pump may be connected to both the second connecting pipe 6 and the third connecting pipe 8.
Preferably, a liquid level detector, a metering pump, a temperature sensing measuring point 3 and a humidity measuring point 4 are arranged in the defoaming agent device 1, the liquid level detector, the metering pump, the temperature sensing measuring point 3 and the humidity measuring point 4 are all in communication connection with the DCS, the liquid level detector is used for monitoring the liquid level of the defoaming agent in the defoaming agent device 1, the metering pump is used for driving the defoaming agent in the defoaming agent device 1 into the absorption tower pit 11, the temperature sensing measuring point 3 is used for monitoring the temperature of the overflow pipe 2, and the humidity measuring point 4 is used for monitoring the humidity of the overflow pipe 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. An apparatus for eliminating slurry foaming in a desulfurization absorption tower, comprising: the device comprises an absorption tower (5), an absorption tower pit (11) and a slurry pond positioned at the bottom of the absorption tower (5), wherein the absorption tower (5) is communicated with the absorption tower pit (11) through an overflow pipe (2); the absorption tower pit (11) is communicated with the absorption tower (5) through a circulating pipe (10); the circulating pipe (10) is provided with a metering pump and is characterized by further comprising a defoaming agent device (1), wherein the defoaming agent device (1) is communicated with the absorption tower pit (11) through a first connecting pipe (12); a camera is arranged in the absorption tower pit (11), the camera is in communication connection with the DCS, and the camera is used for monitoring the slurry in the absorption tower pit (11);
the defoaming agent device (1) comprises: the device comprises a shell (101), a propeller (103), support legs (104), a motor base (105), a motor (106), a fixing rod (107) and a water outlet pipe (108); the bottom of the shell (101) is connected with the supporting legs (104), the fixing rod (107) is connected to the supporting legs (104), a water outlet pipe (108) is arranged at the bottom of the shell (101), and the water outlet pipe (108) is L-shaped; the motor base (105) is arranged on the fixing rod (107), the motor (106) is arranged on the motor base (105), and the shaft end of the motor (106) is connected with one end of the propeller (103); the other end of the propeller (103) penetrates through the outer wall of the bottom of the water outlet pipe (108) and is arranged inside the water outlet pipe (108), and the other end of the propeller (103) is perpendicular to the axis of the water outlet pipe (108); the motor (106) drives the propeller (103) to rotate in the water outlet pipe (108).
2. The slurry bubble eliminating device of the desulfurization absorption tower according to claim 1, further comprising a gypsum tank (7), wherein the gypsum tank (7) is communicated with the absorption tower (5) through a second connecting pipe (6), and the gypsum of the absorption tower (5) is discharged into the gypsum tank (7) so that fresh slurry is supplemented into the absorption tower (5).
3. The slurry bubble eliminating device of the desulfurization absorption tower according to claim 1, further comprising a desulfurization waste water tank (9), wherein the desulfurization waste water tank (9) is communicated with the absorption tower (5) through a third connecting pipe (8), and the desulfurization waste water of the absorption tower (5) is discharged into the desulfurization waste water tank (9) to ensure the quality of the slurry in the absorption tower (5).
4. The device for eliminating slurry foaming in the desulfurization absorption tower according to claim 1, wherein the defoamer device (1) is provided with a temperature sensing point (3) and a humidity sensing point (4), and both the temperature sensing point (3) and the humidity sensing point (4) are in communication connection with the DCS.
5. The apparatus for eliminating slurry foaming in a desulfurization absorption tower according to claim 1, wherein said housing (101) has a cylindrical shape.
6. The desulfurization absorption tower slurry foaming eliminating device according to claim 1, wherein the material of the water outlet pipe (108) is stainless steel.
7. The apparatus for removing slurry foaming in a desulfurization absorption tower according to claim 1, further comprising a heating wire, wherein said heating wire is coiled on the outer wall of said outlet pipe (108).
8. The apparatus for eliminating slurry foaming in a desulfurization absorption tower according to claim 1, further comprising a liquid level meter (102), wherein said liquid level meter (102) is disposed on an outer wall of said housing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021916637.2U CN214075827U (en) | 2020-09-04 | 2020-09-04 | Desulfurization absorption tower slurry foaming eliminating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021916637.2U CN214075827U (en) | 2020-09-04 | 2020-09-04 | Desulfurization absorption tower slurry foaming eliminating device |
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| CN214075827U true CN214075827U (en) | 2021-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487545A (en) * | 2022-10-28 | 2022-12-20 | 西安热工研究院有限公司 | Slurry defoaming system and method for limestone-gypsum wet flue gas desulfurization absorption tower |
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2020
- 2020-09-04 CN CN202021916637.2U patent/CN214075827U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487545A (en) * | 2022-10-28 | 2022-12-20 | 西安热工研究院有限公司 | Slurry defoaming system and method for limestone-gypsum wet flue gas desulfurization absorption tower |
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