CN217961387U - An adsorption tower water injection system - Google Patents

Abstract

The utility model relates to an adsorption tower water injection system, comprising: a water injection storage tank, a water injection pump and a pressure buffer tank; The water port is connected, the water outlet at the bottom of the pressure buffer tank is connected to the adsorption tower through the water outlet pipeline, and the top of the pressure buffer tank is connected with the top of the water injection storage tank through the first pipeline. Its water injection is stable.

Description

An adsorption tower water injection system

technical field

The utility model relates to the technical field of chemical industry, in particular to an adsorption tower water injection system.

Background technique

The water injection pump of the adsorption tower of the adsorption unit of the aromatics plant is a reciprocating pump, which has high pressure, large pressure fluctuations, flow fluctuations, and difficult measurement. At the same time, it will affect the pressure of the adsorbent and even cause damage to the adsorbent.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide a water injection system for an adsorption tower, which has stable water injection.

In order to achieve the above object, the utility model adopts the following technical solutions:

A water injection system for an adsorption tower, comprising: a water injection storage tank, a water injection pump, and a pressure buffer tank; the water inlet of the water injection pump is connected to the bottom of the water injection storage tank through a pipeline, and the water outlet of the water injection pump is connected to the water inlet of the pressure buffer tank through a pipeline. The water outlet at the bottom of the buffer tank is connected to the adsorption tower through a water outlet pipeline, and the top of the pressure buffer tank is communicated with the top of the water injection storage tank through a first pipeline.

Further, the first pipeline is provided with a second pressure regulating valve.

Further, the second pressure regulating valve is an automatic pressure regulating valve.

Further, a safety valve is provided on the top of the water injection storage tank.

Further, the top of the water injection storage tank is provided with a first pressure regulating valve.

Further, the first pressure regulating valve is an automatic pressure regulating valve.

Further, a flow meter is arranged on the water outlet pipe.

Further, the water injection pump is a plunger pump.

The beneficial effects of the utility model compared with the prior art are:

An adsorption tower water injection system provided by the utility model includes: a water injection storage tank, a water injection pump and a pressure buffer tank; the water inlet of the water injection pump is connected to the bottom of the water injection storage tank through a pipeline, and the water outlet of the water injection pump is connected to the pressure buffer tank through a pipeline The water inlet is connected, the water outlet at the bottom of the pressure buffer tank is connected to the adsorption tower through the water outlet pipeline, and the top of the pressure buffer tank is connected with the top of the water injection storage tank through the first pipeline. Its water injection is stable.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

In the figure: 1. Water injection storage tank, 2. Water injection pump, 3. Pressure buffer tank, 4. Safety valve, 5. First pressure regulating valve, 6. Outlet pipeline, 7. Flow meter, 8. First pipeline, 9 , The second pressure regulating valve.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Example 1

As shown in FIG. 1 , an adsorption tower water injection system includes: a water injection storage tank 1 , a water injection pump 2 and a pressure buffer tank 3 .

The top of the water injection storage tank 1 is respectively provided with a safety valve 4 and a first pressure regulating valve 5. The first pressure regulating valve 5 in this embodiment is an automatic pressure regulating valve, which can automatically adjust the pressure in the water injection storage tank 1 according to a preset value. to adjust the pressure.

The water injection pump 2 of this embodiment is a plunger pump, and the water inlet of the water injection pump 2 communicates with the bottom of the water injection storage tank 1 through a pipeline, and the water outlet of the water injection pump 2 communicates with the water inlet of the pressure buffer tank 3 through a pipeline, and the bottom of the pressure buffer tank 3 The water outlet is connected to the adsorption tower through the water outlet pipeline 6. The water outlet pipeline 6 is provided with a flow meter 7. The top of the pressure buffer tank 3 is connected to the top of the water injection storage tank 1 through the first pipeline 8. The top of the pressure buffer tank 3 is connected to the top of the water injection storage tank 1. The connected first pipeline 8 is provided with a second pressure regulating valve 9. The second pressure regulating valve 9 in this embodiment is an automatic pressure regulating valve, which can automatically adjust the pressure in the pressure buffer tank 3 according to a preset value. adjust.

When in use, the pressure of the water injection tank is 0.01MPa, the outlet pressure of the water injection pump 2 is 1.0-3.0MPa, a pressure buffer tank 3 is added at the outlet of the water injection pump 2, and a self-supporting pressure regulating valve is added on the top of the pressure buffer tank 3 to release the pressure into the water injection storage tank 1 The top of the water injection storage tank 1 is equipped with a self-supporting pressure regulating valve to release the pressure to the atmosphere, and the pressure is set at 0.02Mpa; the pressure of the self-supporting pressure regulating valve on the top of the pressure buffer tank 3 is set at 2.0MPa; Protect the equipment; when the water injection pump 2 is in normal operation, through the pressure buffer tank 3 top self-supporting pressure regulating valve, ensure that the pressure of the pressure buffer tank 3 is stable at 2.0Mpa.

The beneficial effect of this embodiment compared with prior art is:

In this embodiment, a pressure buffer tank 3 is added behind the water injection pump 2, and the pressure buffer tank 3 is topped with a self-control pressure regulating valve 9 to release the pressure to the water injection storage tank 1, thereby ensuring the stability and reliability of the water injection system.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In the description of the present utility model, unless otherwise clearly stipulated and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it can be fixed Connection can also be a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the connection between two components Interaction relationship, unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the description of the present invention, relational terms such as first and second etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or sequence. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the foregoing has shown and described embodiments of the present utility model, for those of ordinary skill in the art, it can be understood that various modifications can be made to these embodiments without departing from the principle and spirit of the present utility model. Changes, modifications, substitutions and variations, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides an adsorption tower water injection system which characterized in that: the method comprises the following steps: the device comprises a water injection storage tank, a water injection pump and a pressure buffer tank; the water inlet of the water injection pump is connected with the bottom of the water injection storage tank through a pipeline, the water outlet of the water injection pump is communicated with the water inlet of the pressure buffer tank through a pipeline, the water outlet at the bottom of the pressure buffer tank is connected to the adsorption tower through a water outlet pipeline, and the top of the pressure buffer tank is communicated with the top of the water injection storage tank through a first pipeline; the pressure buffer tank is characterized in that a second pressure regulating valve is arranged on the first pipeline and used for releasing the pressure of the pressure buffer tank to the water injection storage tank, and a first pressure regulating valve is arranged at the top of the water injection storage tank.

2. The water injection system of the adsorption tower as claimed in claim 1, wherein: the second pressure regulating valve is an automatic pressure regulating valve.

3. The water injection system of the adsorption tower as claimed in claim 1, wherein: and a safety valve is arranged at the top of the water injection storage tank.

4. The water injection system of the adsorption tower as claimed in claim 1, wherein: the first pressure regulating valve is an automatic pressure regulating valve.

5. The adsorption tower water injection system according to any one of claims 1 to 4, wherein: and the water outlet pipeline is provided with a flowmeter.

6. The adsorption tower water injection system according to any one of claims 1 to 4, wherein: the water injection pump is a plunger pump.

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