CN209940508U - Gas phase pipe blockage processing device of stripping tower - Google Patents
Gas phase pipe blockage processing device of stripping tower Download PDFInfo
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- CN209940508U CN209940508U CN201920655268.7U CN201920655268U CN209940508U CN 209940508 U CN209940508 U CN 209940508U CN 201920655268 U CN201920655268 U CN 201920655268U CN 209940508 U CN209940508 U CN 209940508U
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Abstract
The utility model provides a gas phase pipe blockage processing device of a stripping tower, which relates to the field of chemical equipment and solves the problem that the gas phase pipe at the outlet of the stripping tower is easy to be blocked and the normal production of the device is seriously influenced; the device includes: a gas inlet of the stripping tower is filled with low-pressure steam, and a gas phase pipe is arranged at the top of the stripping tower; a liquid outlet of the feeding tank is communicated with the upper part of the stripping tower, and sewage in the feeding tank can enter the stripping tower through the pump body; the top of the stripping tower is communicated with the liquid separating tank through a gas phase pipe, a heating furnace is connected with an air outlet at the upper part of the liquid separating tank, and a circulating pipe is arranged at the bottom of the liquid separating tank and connected with a liquid collecting tank; the gas phase pipe is provided with a valve which is positioned at the upper part of the stripping tower, and the rear part of the valve is connected with a low-pressure steam through pipe; the utility model utilizes the heat energy and the flow velocity of low-pressure steam to blow the blockage in the gas phase pipe, so that the blockage is softened and melted, and the bottom of the liquid separation tank is recycled; the gas phase pipeline blockage phenomenon is reduced, and the maintenance cost is saved.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry equipment technique and specifically relates to a vapor phase pipe blocking processing apparatus of strip tower is related to.
Background
Steam stripping means that volatile organic substances in wastewater are diffused into a gas phase according to a certain proportion by directly contacting the wastewater with steam, so that the purpose of separating pollutants from the wastewater is achieved.
The stripping tower is mainly used for separating organic matters in the sewage generated in the production by a stripping method, and finally feeding organic gas into a feeding heating furnace for incineration; because organic phase molecules are easy to polymerize in the gas phase pipe, the phenomenon of blockage of a gas phase pipeline at the top of a stripping tower is often caused in the normal operation of the wastewater stripping device, and the normal production of the device is seriously influenced; and the blockage is very hard and cannot be broken off even by using a high-pressure water gun. In the prior art, only two pipelines can be laid in order to not influence normal production, and the two pipelines are used in turn.
The applicant has found that the prior art has at least the following technical problems: the gas phase pipeline is long, the judgment of the blocking point is difficult after the gas phase pipeline is blocked, and the whole pipeline can be detached only after the pipeline is blocked, so that the time and the labor are wasted, and the treatment cost is high.
The above problems have plagued researchers and inventors.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gas phase pipe blockage processing device of a stripping tower, which solves the technical problems that the gas phase pipe at the outlet of the stripping tower is easy to be blocked and the normal production of the device is seriously influenced in the prior art; the utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a gas phase pipe jam processing apparatus of strip tower, include:
the steam stripping tower is characterized in that low-pressure steam is introduced into a gas inlet of the steam stripping tower, and a gas phase pipe is arranged at the top of the steam stripping tower;
a liquid outlet of the feeding tank is communicated with a liquid inlet at the upper part of the stripping tower, and sewage in the feeding tank can enter the liquid inlet of the stripping tower through the pump body;
the top of the stripping tower is communicated with the liquid separating tank through the gas phase pipe, a gas outlet at the upper part of the liquid separating tank is connected with a heating furnace, the gas phase is used as fuel of the heating furnace, and the bottom of the liquid separating tank is provided with a circulating pipe which is connected with a liquid collecting tank;
the gas phase pipe is provided with a valve, the valve is positioned on the upper part of the stripping tower, and the rear part of the valve is connected with a low-pressure steam through pipe.
Preferably, a connecting pipe is arranged at the front part of the valve and is used for communicating the gas phase pipe with the feeding tank.
Preferably, the liquid separation tank is further connected with a torch system through a pipeline, and the pipeline of the liquid separation tank is provided with a first valve for controlling the flow of the organic gas phase in the liquid separation tank when the pipeline is cleaned; and a second valve is arranged on a pipeline between the liquid separating tank and the heating furnace and is used for enabling the organic gas phase in the liquid separating tank to flow when the heating furnace normally works.
Preferably, a pressure control system is arranged in the feed tank to prevent the pressure in the feed tank from being too high.
Preferably, the feed tank is connected to the flare system through the pressure control system.
Preferably, the bottom of the stripping tower is connected with a sewage liquid phase recovery device.
Preferably, the nominal diameter of the flow-through tube is 160mm, and the flow-through tube extends downwards to form a collecting tube for collecting and cleaning organic blockages.
Preferably, the nominal diameter of the collection tube is 160 mm.
Preferably, the end of the collecting pipe is connected with a blockage collecting device.
Preferably, the liquid outlet of the liquid collecting tank is communicated with the feeding tank.
The utility model provides a gas phase pipe blocking processing apparatus of strip tower compares with prior art, has following beneficial effect: the gas phase pipe is internally provided with a valve, the rear part of the valve is connected with a low-pressure steam through pipe, low-pressure steam is introduced, the valve is closed when the device is used, the heat energy and the flow rate of the low-pressure steam are utilized to blow the blockage in the gas phase pipe so as to soften and melt the blockage, the gas and the condensed liquid enter a liquid separation tank, wherein the organic gas is introduced into a torch system to be incinerated, and the blockage and the liquid are recovered and treated from the bottom of the liquid separation tank; above-mentioned gaseous phase pipe blocks up processing apparatus has reduced the strip tower gaseous phase pipeline jam phenomenon, has saved the maintenance cost to the gaseous phase pipe no longer need reserve pipeline, has improved work efficiency greatly.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a vapor phase tube blockage treating device of the stripping tower of the present invention;
FIG. 1, a stripping column; 2. a gas phase pipe; 3. a feed tank; 4. a pump body; 5. liquid separating tank; 6. heating furnace; 7. a flow-through tube; 8. a liquid collection tank; 9. a valve; 10. a connecting pipe; 11. a collection pipe; 12. a flare system; 13. a first valve; 14. a second valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 1 is a schematic view of the overall structure of a vapor phase tube blockage treatment device of the stripping tower of the present invention; the utility model provides a gas phase pipe jam processing apparatus of strip tower, include: a stripping tower 1, wherein low-pressure steam is introduced into an air inlet of the stripping tower 1, and a gas phase pipe 2 is arranged at the top of the stripping tower 1; a liquid outlet of the feeding tank 3 is communicated with a liquid inlet at the upper part of the stripping tower 1, and sewage in the feeding tank 3 can enter the liquid inlet of the stripping tower 1 through the pump body 4;
the top of the stripping tower 1 is communicated with the liquid separating tank 5 through a gas phase pipe 2, a gas outlet at the upper part of the liquid separating tank 5 is connected with a heating furnace 6, organic gas phase is used as fuel of the heating furnace, and the bottom of the liquid separating tank 5 is provided with a circulating pipe 7 which is connected with a liquid collecting tank 8;
the gas phase pipe 2 is provided with a valve 9, the valve 9 is positioned at the upper part of the stripping tower 1, and the rear part of the valve 9 is connected with a low-pressure steam through pipe.
The organic gas is introduced into the heating furnace 6 through the liquid separation tank to be recycled, so that resources are saved.
It should be understood that the operating principle of the above-described stripping column 1 is: the feeding tank 3 is filled with sewage to be treated, the sewage is introduced into the upper part of the stripping tower 1 through the pump body 4, low-pressure steam is introduced into the bottom of the stripping tower 1, the sewage is heated through the low-pressure steam, organic matters of the sewage become gas phase, and the organic matters enter the gas phase pipe 2 from a gas outlet at the upper part. The low-pressure steam is introduced through the existing low-pressure pipe network.
The utility model has the advantages that: a valve 9 is arranged in the gas phase pipe 2, low-pressure steam is introduced into the rear part of the valve 9, the valve 9 is closed when the device is used, organic blockages in the gas phase pipe are blown by utilizing the heat energy and the flow velocity of the low-pressure steam to soften and melt the organic blockages, the gas and condensed liquid enter a liquid separating tank 5, the organic gas is introduced into a heating furnace 6 to be incinerated, and the blockages and the liquid are recovered and treated from the bottom of the liquid separating tank 5; above-mentioned gaseous phase pipe 2 blocks up processing apparatus, has reduced the gas phase pipeline jam phenomenon in stripper 1 upper portion, has saved the maintenance cost to gaseous phase pipe 2 no longer need reserve pipeline, has improved work efficiency greatly.
In order to avoid the need to stop the stripping column 1 during the cleaning of the gas phase tubes 2, which affects the operating efficiency, as an alternative embodiment, a connecting tube 10 is provided in front of the valve 9 to connect the gas phase tubes 2 to the feed tank 3.
The setting is when clearing away gas phase pipe 2, need not stop the normal work of stripper 1, closes valve 9 on the gas phase pipe 2, introduces the top of the tower gas phase into way feed tank 3 through connecting pipe 10, opens the low pressure steam pipeline and passes through the heating of atmospheric steam and melt and blow into in branch fluid reservoir 5 the jam.
As an optional implementation mode, the separating tank is further connected with a torch system through a pipeline, and the pipeline is provided with a first valve 13 for controlling the flow of the organic gas phase in the separating tank 5 when the pipeline is cleaned; a second valve 14 is arranged on a pipeline between the liquid separating tank and the heating furnace and is used for the organic gas phase in the liquid separating tank 5 to flow when the heating furnace normally works.
In the specific operation, the operation flow of the pipelines and the valves is that when the pipeline and the valves normally work, the first valve 13 is closed, the second valve 14 is opened, and the organic gas enters the heating furnace through the liquid separation tank 5 for recycling; when the pipeline needs to be cleaned, the second valve 14 is closed, the first valve 13 is opened, and the organic gas mixed with low-pressure steam enters a flare system for treatment.
Wherein, the torch system 12 is a special combustion facility for processing combustible and combustible toxic gases and steam which can not be recovered and reprocessed in petrochemical plants, oil refineries, chemical plants and other plants or devices, and is an important measure for ensuring the safe production of the plants and reducing the environmental pollution; which is prior art and will not be described herein.
When the gas phase in the gas phase pipe 2 and a small amount of liquid are introduced into the feed tank 3, for the pressure safety of the tank body, as an alternative embodiment, referring to fig. 1, a pressure control system is provided in the feed tank 3 to prevent the pressure in the feed tank from being too high.
The pressure control system is a feedback control system which takes the pressure in a gas or liquid pipeline or container as a controlled quantity, has a closed loop structure and consists of a pressure sensor, a pressure controller and a controlled object. It usually comprises two regulating valves, one of which is connected to a tank of inert gas and the other of which is capable of releasing the gas inside the tank. The pressure control system is prior art and its structure will not be described in detail herein, e.g., the SPMK251/06 intelligent pressure control system can be used.
For the treatment of the organic gas in the feed tank 3, as an alternative embodiment, with reference to fig. 1, the feed tank 3 is connected to a flare system 12 by a pressure control system. Set up gas control valve in the above-mentioned connecting line, owing to let in gaseous phase and a small amount of liquid feed into feed tank 3, pressure can increase in the feed tank 3, sets up pressure control system back in feed tank 3, and when pressure control system detected pressure too big, can control one of them governing valve and open, introduces gas into torch system 12 and burns.
Referring to fig. 1, when the stripping tank evaporates the sewage to be treated by low-pressure steam, the gas enters the gas phase pipe 2 through the gas outlet, and in order to treat the residual liquid, as an alternative embodiment, a sewage liquid phase recovery device is connected to the bottom of the stripping tank 1.
After the organic clogging matter is softened and blown into the separating tank 5 by low-pressure steam, in order to facilitate the treatment from the separating tank 5, as an alternative embodiment, the nominal diameter of the flow pipe 7 is 160mm, and the flow pipe extends downwards to form a collecting pipe which is used for collecting and cleaning the organic clogging matter.
Meanwhile, a valve is arranged on the circulating pipe 7 and can control the liquid in the liquid separation tank 5 to enter the liquid collection tank 8. Because the blockage is thick, in order to clean the blockage in the liquid separation tank 5, a commonly used two-inch pipeline at the bottom of the liquid separation tank 5 is changed into a six-inch pipeline, namely a pipeline with the nominal diameter of 160mm, so that the blockage can conveniently flow into the pipeline. During the flowing process, the blockage and the liquid are preferentially settled downwards under the action of the gravity of the blockage and reach the collecting pipe for temporary storage, and the liquid passes through the circulating pipe and reaches the liquid collecting tank 8.
Also, in order to allow the clogging substances to flow out of the collection tube 11 smoothly, the nominal diameter of the collection tube 11 is 160mm as an alternative embodiment.
In order to facilitate the cleaning of the above-mentioned blockage, as an alternative embodiment, a blockage collecting device is connected to the end of the collecting pipe 11. The plug collection device can be a tank body, so that the direct discharge of polluted environment is prevented.
In order to recycle the liquid in the liquid collection tank 8, as an alternative embodiment, the liquid outlet of the liquid collection tank 8 is communicated with the feed tank 3. The liquid in the liquid collecting tank 8 can enter the feeding tank 3 for recycling, so that the environment is prevented from being polluted.
The working flow of the blockage treatment device of the gas phase pipe 2 of the stripping tower 1 is as follows: opening the pump body 4, introducing the liquid in the feeding tank 3 into the upper part of the stripping tower 1, simultaneously opening low-pressure steam, introducing the low-pressure steam into the bottom of the stripping tower 1, heating and volatilizing organic matters in the sewage into a gas phase by the low-pressure steam, and introducing the gas phase into a heating furnace 6 for incineration and utilization; while the remaining liquid is withdrawn from the bottom of the stripping column 1 and recovered. When the gas phase pipe 2 connected with the top of the stripping tower 1 needs to be cleaned, closing the valve 9, introducing low-pressure steam into the gas phase pipe 2 at the rear part of the valve 9, melting the organic blockage by using the heat and flow rate of the low-pressure steam, blowing the organic blockage into the liquid separation tank 5, closing the second valve 14, opening the first valve 13, and allowing the gas in the liquid separation tank 5 to enter the torch system 12 from the upper part for treatment; because the blockage is deposited at the bottom of the liquid separating tank 5, when the blockage in the liquid separating tank 5 is cleaned, the valve on the circulating pipe is in a normally open state, and the blockage passes through the circulating pipe 7 at the bottom of the liquid separating tank 5 to the collecting pipe 11 for cleaning; the liquid in the liquid separation tank 5 flows into a liquid collection tank 8 for recovery.
After the modification, the gas phase pipeline of the stripping tower 1 reduces the occurrence of blockage, saves the maintenance cost and improves the sewage treatment efficiency.
The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A gas phase pipe blockage processing device of a stripping tower is characterized by comprising:
the steam stripping tower is characterized in that low-pressure steam is introduced into a gas inlet of the steam stripping tower, and a gas phase pipe is arranged at the top of the steam stripping tower;
a liquid outlet of the feeding tank is communicated with a liquid inlet at the upper part of the stripping tower, and sewage in the feeding tank can enter the liquid inlet of the stripping tower through the pump body;
the top of the stripping tower is communicated with the liquid separating tank through the gas phase pipe, a gas outlet at the upper part of the liquid separating tank is connected with a heating furnace, the gas phase is used as fuel of the heating furnace, and the bottom of the liquid separating tank is provided with a circulating pipe which is connected with a liquid collecting tank;
the gas phase pipe is provided with a valve, the valve is positioned on the upper part of the stripping tower, and the rear part of the valve is connected with a low-pressure steam through pipe.
2. The vapor phase pipe clogging treatment apparatus of stripping column according to claim 1, wherein a connection pipe which communicates the vapor phase pipe with the feed tank is provided in front of the valve.
3. The gas phase pipe blockage treatment device of the stripping tower according to claim 2, wherein the liquid separation tank is further connected with a flare system through a pipeline, and the pipeline of the liquid separation tank is provided with a first valve for controlling the flow of the organic gas phase in the liquid separation tank when the pipeline is cleaned; and a second valve is arranged on a pipeline between the liquid separating tank and the heating furnace and is used for enabling the organic gas phase in the liquid separating tank to flow when the heating furnace normally works.
4. The stripper vapor phase pipe plugging treatment apparatus as recited in claim 3, wherein a pressure control system is provided in the feed tank to prevent an excessive pressure in the feed tank.
5. The stripper column vapor phase pipe blockage treatment apparatus of claim 4, wherein the feed tank is connected to the flare system by the pressure control system.
6. The vapor phase pipe blockage treatment apparatus of the stripping column according to claim 1, wherein a liquid-phase wastewater recovery apparatus is connected to the bottom of the stripping column.
7. The vapor phase pipe clogging treatment apparatus of the stripping column according to claim 1, wherein said flow-through pipe has a nominal diameter of 160mm, and said flow-through pipe extends downward to form a collection pipe for collecting and cleaning organic clogging substances.
8. The vapor phase tube clogging treatment apparatus for a stripping column according to claim 7, wherein a nominal diameter of said collecting tube is 160 mm.
9. The vapor phase tube blockage treating apparatus according to claim 8, wherein a blockage collecting means is connected to an end of the collecting tube.
10. The stripping column vapor phase pipe blockage treatment apparatus according to claim 1, wherein the liquid outlet of the liquid collection tank is communicated with the feed tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655268.7U CN209940508U (en) | 2019-05-07 | 2019-05-07 | Gas phase pipe blockage processing device of stripping tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655268.7U CN209940508U (en) | 2019-05-07 | 2019-05-07 | Gas phase pipe blockage processing device of stripping tower |
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| CN209940508U true CN209940508U (en) | 2020-01-14 |
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| CN201920655268.7U Active CN209940508U (en) | 2019-05-07 | 2019-05-07 | Gas phase pipe blockage processing device of stripping tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471070A (en) * | 2022-02-18 | 2022-05-13 | 广东韶钢松山股份有限公司 | Condensate collecting unit and acid making system |
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2019
- 2019-05-07 CN CN201920655268.7U patent/CN209940508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471070A (en) * | 2022-02-18 | 2022-05-13 | 广东韶钢松山股份有限公司 | Condensate collecting unit and acid making system |
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