CN214389229U - Flow arrangement for primary water treatment system of Integrated Gasification Combined Cycle (IGCC) gasification device - Google Patents
Flow arrangement for primary water treatment system of Integrated Gasification Combined Cycle (IGCC) gasification device Download PDFInfo
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- CN214389229U CN214389229U CN202120334048.1U CN202120334048U CN214389229U CN 214389229 U CN214389229 U CN 214389229U CN 202120334048 U CN202120334048 U CN 202120334048U CN 214389229 U CN214389229 U CN 214389229U
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Abstract
The utility model provides a flow setting for a preliminary water treatment system of an IGCC gasification device, which comprises a clarifying tank, wherein the bottom of the clarifying tank is connected with a vacuum belt filter through a first pipeline, the bottom end of the vacuum belt filter is connected with a filtrate collecting tank through a second pipeline, and the filtrate collecting tank is connected with the clarifying tank through a third pipeline; the first pipeline is provided with a sewage pump and a first valve; a vacuum pump is arranged on the second pipeline; a filtrate pump is arranged on the third pipeline; and one end of the return pipeline is connected with the clarifying tank, the other end of the return pipeline is connected with the first pipeline, so that the primary water treatment is realized to run stably with long time, high quality and high efficiency, and the problems of long flow, high power consumption, easy blockage and the like of a primary water treatment system are solved.
Description
Technical Field
Embodiments of the present invention generally relate to the technical field of coal chemical industry, and more particularly, to a process arrangement for a preliminary water treatment system of an IGCC gasification plant.
Background
The crude synthesis gas produced by the two-section dry pulverized coal gasification furnace passes through a dry ash removal and high-temperature water washing device, solid particles mixed in the crude synthesis gas and other water-soluble impurities are removed, and the two-section dry pulverized coal gasification furnace is provided with a preliminary water treatment system for preliminary treatment of wastewater produced in the high-temperature water washing process. The original design is that a vacuum belt filter is used for removing solid impurities in wastewater, sewage is pumped into a slurry storage tank from the bottom of a clarification tank through a sewage pump, then is pumped into the vacuum belt filter by a slurry pump for filtering, and filtered water is discharged into a filtrate collection tank and then is pumped back into the clarification tank by a filtrate pump.
However, the mortar in the mud tank is accumulated at the bottom of the tank due to the gravity, so that the bottom of the mud tank is frequently blocked, and great trouble is brought to the operation of equipment. Due to the presence of the overflow pipe of the mud tank, a large amount of plaster accumulates at the bottom of the sewage tank for a long time, often hindering the operation of the sewage pump.
The original filtering system is complex in flow, the whole flow is carried out in series, one link has problems, and the whole sewage treatment chain is completely paralyzed. The power consumption of the system is increased due to the complex flow and the complex equipment, the power supply efficiency of the unit is reduced, and the equipment maintenance cost is obviously increased.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art, the utility model provides a be used for the preliminary water treatment system flow setting of IGCC gasification equipment, can realize that preliminary water treatment is long-term, high-quality, steady operation, long, the power consumptive height of preliminary water treatment system flow, easy jam scheduling problem.
The utility model discloses the technical scheme of implementation is: a flow setting for a preliminary water treatment system of an IGCC gasification device comprises a clarifying tank, wherein the bottom of the clarifying tank is connected with a vacuum belt filter through a first pipeline, the bottom end of the vacuum belt filter is connected with a filtrate collecting tank through a second pipeline, and the filtrate collecting tank is connected with the clarifying tank through a third pipeline;
the first pipeline is provided with a sewage pump and a first valve;
a vacuum pump is arranged on the second pipeline;
a filtrate pump is arranged on the third pipeline;
and one end of the return pipeline is connected with the clarifying tank, and the other end of the return pipeline is connected and communicated with the first pipeline.
Further, the first valve is arranged on the first pipeline between the position where the return pipeline is connected with the first pipeline and the vacuum belt filter.
Further, the device also comprises a second valve, and the second valve is arranged on the return pipeline.
The filter cake collecting tank is arranged below the vacuum belt filter and is used for collecting filter cakes formed by filtering through the vacuum belt filter.
The embodiment of the utility model provides an in being arranged in the preliminary water treatment system flow of IGCC gasification equipment to set up, realized following technological effect:
(1) through the simplification of the flow of the water treatment system, the equipment failure occurrence rate is reduced to a great extent, and the plant power consumption rate and the equipment maintenance cost are reduced.
(2) The backflow pipeline is additionally arranged at the outlet of the sewage pump at the bottom of the clarifying tank, so that the influence range of subsequent filter cake making equipment during failure is reduced to a great extent, and the water treatment system can integrally run and can run in an isolated mode.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
FIG. 1 is a schematic diagram of a preliminary water treatment system flow arrangement for an IGCC gasification plant.
Wherein, the corresponding relationship between the reference numbers and the component names in fig. 1 is:
10. the device comprises a clarifying tank 20, a first pipeline 21, a first valve 22, a sewage pump 30, a vacuum belt filter 40, a second pipeline 41, a vacuum pump 50, a filtrate collecting tank 60, a third pipeline 61, a filtrate pump 70, a return pipeline 71, a second valve 80 and a filter cake collecting tank.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition
In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
The following describes a flow arrangement for a preliminary water treatment system of an IGCC gasification plant provided by an embodiment of the present invention with reference to fig. 1, including: the sewage is filtered, firstly, the sewage is pumped into the vacuum belt filter 30 from the clarifying tank 10 through the sewage pump 22 through the first pipeline 20, the filtered filtrate is injected into the filtrate collecting tank 50 through the vacuum pump 41 through the second pipeline 40, the filtrate in the filtrate collecting tank 50 is pumped back into the clarifying tank 10 through the filtrate pump 61, and the sewage in the clarifying tank 10 is recycled after being filtered.
It should be noted that, in the flow of the preliminary water treatment system, other devices for utilizing water are provided, and the water treatment system filters and recycles the sewage after being utilized by the other devices.
The bottom of the clarifying tank 10 is connected with a vacuum belt filter 30 through a first pipeline 20, the bottom end of the vacuum belt filter 30 is connected with a filtrate collecting tank 50 through a second pipeline 40, and the filtrate collecting tank 50 is connected with the clarifying tank 10 through a third pipeline 60;
the first pipeline 20 is provided with a sewage pump 22 and a first valve 21;
a vacuum pump 41 is arranged on the second pipeline 40;
a filtrate pump 61 is arranged on the third pipeline 60;
the return line 70 has one end connected to the clarifier 10 and the other end connected to and communicated with the first line 20.
When the condition is present or the maintenance is needed during the operation of the vacuum belt filter 30, the first valve 21 needs to be closed and the second valve 72 needs to be opened, the sewage is re-injected into the clarifying tank 10 through the return line 70, and when the vacuum belt filter 30 can normally operate, the first valve 21 is opened and the second valve 71 is closed.
In some embodiments, a first valve 21 is disposed on the first line 20 between the location where the return line 70 connects to the first line 20 and the vacuum belt filter 30.
In some embodiments, a second valve 71 is provided on the return line 70.
In some embodiments, a cake collection tank 80 is disposed below the vacuum belt filter 30 for collecting cake formed by filtration through the vacuum belt filter 30.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (4)
1. A preliminary water treatment system flow arrangement for an IGCC gasification plant, comprising:
the bottom of the clarifying tank is connected with the vacuum belt filter through a first pipeline, the bottom end of the vacuum belt filter is connected with a filtrate collecting tank through a second pipeline, and the filtrate collecting tank is connected with the clarifying tank through a third pipeline;
the first pipeline is provided with a sewage pump and a first valve;
a vacuum pump is arranged on the second pipeline;
a filtrate pump is arranged on the third pipeline;
and one end of the return pipeline is connected with the clarifying tank, and the other end of the return pipeline is connected and communicated with the first pipeline.
2. The preliminary water treatment system flow arrangement for an IGCC gasification plant as recited in claim 1 wherein said first valve is disposed on said first conduit between a location where said return conduit is connected to said first conduit and said vacuum belt filter.
3. The preliminary water treatment system flow arrangement for an IGCC gasification unit as recited in claim 2 further comprising a second valve disposed on said return line.
4. The process arrangement for the preliminary water treatment system of the IGCC gasification plant of claim 3, further comprising a filter cake collection tank disposed below the vacuum belt filter for collecting filter cake formed by filtration by the vacuum belt filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120334048.1U CN214389229U (en) | 2021-02-05 | 2021-02-05 | Flow arrangement for primary water treatment system of Integrated Gasification Combined Cycle (IGCC) gasification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120334048.1U CN214389229U (en) | 2021-02-05 | 2021-02-05 | Flow arrangement for primary water treatment system of Integrated Gasification Combined Cycle (IGCC) gasification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214389229U true CN214389229U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120334048.1U Active CN214389229U (en) | 2021-02-05 | 2021-02-05 | Flow arrangement for primary water treatment system of Integrated Gasification Combined Cycle (IGCC) gasification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214389229U (en) |
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2021
- 2021-02-05 CN CN202120334048.1U patent/CN214389229U/en active Active
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