CN217330803U

CN217330803U - Interstage cooler with back flush control mechanism

Info

Publication number: CN217330803U
Application number: CN202220288357.4U
Authority: CN
Inventors: 孔德朋; 刘相营; 齐鹏飞
Original assignee: Rizhao Yingde Industrial Gases Co ltd
Current assignee: Rizhao Yingde Industrial Gases Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-08-30
Anticipated expiration: 2032-02-14

Abstract

The utility model relates to a technical field of interstage cooler especially relates to an interstage cooler with back flush control mechanism. The technical scheme includes that the refrigerator comprises a back flush valve, a cooler body, a water inlet pipe, a water return pipe and a water tank, wherein a fixed pipe is fixed inside the cooler body, a cooling pipe is fixed inside the cooler body and located in a circle of the fixed pipe, an air inlet pipe penetrating through the cooler body is communicated with the outer end face of one side of the fixed pipe, an air outlet pipe penetrating through the cooler body is communicated with the outer end face of the other side of the fixed pipe, an water inlet pipe is communicated with the outer end face of one side of the cooling pipe, a feed valve is connected to the outer surface of the water inlet pipe through threads, a back flush valve is connected to the outer surface of the water inlet pipe and located at one side of the feed valve, the water tank is communicated with the water inlet pipe, the refrigerator is installed at the bottom inside the water tank, a support pipe is communicated with the outer end face of one side of the water tank, and a fixing valve is connected to the outer surface of the support pipe through threads. The utility model discloses be convenient for wash the cooler body.

Description

Interstage cooler with back flush control mechanism

Technical Field

The utility model relates to the technical field of interstage coolers, in particular to an interstage cooler with a back washing control mechanism.

Background

The interstage cooler is a heat exchanger with extremely high heat exchange performance widely used in the compressor industry, and is arranged in large-scale air separation equipment, the interstage cooler is mainly used for taking away heat generated when the air separation equipment compresses air, and the interstage cooler has the advantages of high heat transfer efficiency, high reliability, low water consumption and high gas handling capacity, and belongs to irreplaceable existence in the large-scale air separation equipment at present.

The existing interstage cooler is mainly used for cooling equipment such as an air centrifugal compressor, a nitrogen centrifugal compressor and an oxygen centrifugal compressor, but along with the increase of service life, the cooling efficiency of the interstage cooler is gradually reduced, normal production work cannot be influenced for a long time, the condition that the temperature of the equipment is abnormal due to the fact that the interstage cooler cannot be cooled in place still can occur, the main reason is that mud and attachments in the cooler are stuck to the pipe wall of the cooler along the water flow direction or impurities block a water inlet pipe orifice, the water flow of the cooler is reduced, the heat exchange effect is seriously influenced, however, the interstage cooler is cleaned at every time and needs to be shut down, and meanwhile, a large amount of manpower, material resources and time cost are consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interstage cooler with back flush control mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an interstage cooler with a back-washing control mechanism comprises a back-washing valve, a cooling pipe, a fixed pipe, a cooler body, a water inlet pipe, a water return pipe and a water tank, wherein the fixed pipe is fixed inside the cooler body, the cooling pipe is fixed inside the cooler body in a circle of the fixed pipe, the outer end face of one side of the cooling pipe is communicated with the water inlet pipe, the outer surface of the water inlet pipe is connected with a feed valve in a threaded mode, the outer surface of the water inlet pipe is connected with the back-washing valve in a threaded mode, the side, located on the feed valve, of the outer surface of the water inlet pipe is connected with the back-washing valve in a threaded mode, the water tank is communicated with the water inlet pipe, and a refrigerator is installed at the bottom end of the inside of the water tank.

Preferably, the outer end face of one side of the fixed pipe is communicated with an air inlet pipe penetrating through the cooler body, and the outer end face of the other side of the fixed pipe is communicated with an air outlet pipe penetrating through the cooler body. And (4) passing.

Preferably, the outer end face of one side of cooler body is communicated with a return pipe, and the return pipe is communicated with the water tank, and the outer surface of return pipe is in threaded connection with a return valve. And (4) passing.

Preferably, the upper surface of the water return pipe is communicated with a backwashing pipe, the backwashing pipe is communicated with the water inlet pipe, and the outer surface of the backwashing pipe is in threaded connection with a backwashing water inlet valve. And (4) passing.

Preferably, the outer end face of one side of the water tank is communicated with a supporting pipe, and the outer surface of the supporting pipe is in threaded connection with a fixed valve. And (4) passing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up water tank, backwash pipe, back flush water intaking valve and wet return, reached the effect of being convenient for wash the cooler body, cooler body normal during operation feed valve, wet return are in the open mode, and back flush valve, back flush water intaking valve are in the closed condition. During back flushing, the feed valve, the water return valve, the back flush valve and the back flush water inlet valve are closed simultaneously, and then the back flush feed valve is opened and closed for many times rapidly to flush the cooling pipe forward and backward repeatedly by using the impact water flow. After the washing is finished, the valves are operated simultaneously to open the feed valve and the water return valve, close the back flush valve and the back flush water inlet valve, and then the cooler body returns to the normal heat exchange running state, so that the cooler body is convenient to clean.

2. The utility model discloses a set up cooling tube, fixed pipe, intake pipe and outlet duct, reached the refrigerated effect of being convenient for, high-temperature gas gets into fixed pipe through the intake pipe, and low temperature water gets into the cooling tube through the inlet tube, and low temperature water is at the inside circulation of cooling tube, and high-temperature gas carries out the heat exchange with the low-temperature cooling water to cooling gas makes its temperature reduce, then high-temperature water gets back to the water tank through the wet return, so circulate, reach cooling gas's effect.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the main sectional structure of the cooler body according to the present invention;

fig. 3 is a schematic view of the structure of the present invention;

fig. 4 is a schematic view of the partially enlarged structure of the cooler body according to the present invention.

In the figure: 1. an air inlet pipe; 2. a feed valve; 3. a back flush valve; 4. a cooling tube; 5. backwashing the water inlet valve; 6. a fixed tube; 7. a cooler body; 8. a backwash pipe; 9. an air outlet pipe; 10. a water return valve; 11. a water inlet pipe; 12. a water return pipe; 13. a fixed valve; 14. supporting a tube; 15. a water tank; 16. a refrigerator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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.

Example one

Referring to fig. 1 to 4, the present invention provides an embodiment: an interstage cooler provided with a backwashing control mechanism comprises a backwashing valve 3, a cooling pipe 4, a fixed pipe 6, a cooler body 7, a water inlet pipe 11, a water return pipe 12 and a water tank 15, wherein the outer surface of the water inlet pipe 11 is located on one side of a feed valve 2 and is in threaded connection with the backwashing valve 3, the water tank 15 is communicated with the water inlet pipe 11, the bottom end of the interior of the water tank 15 is provided with a refrigerator 16, the outer end face of one side of the water tank 15 is communicated with a support pipe 14, the outer surface of the support pipe 14 is in threaded connection with a fixed valve 13, the outer end face of one side of the cooler body 7 is communicated with the water return pipe 12, the water return pipe 12 is communicated with the water tank 15, the outer surface of the water return pipe 12 is in threaded connection with a water return valve 10, the upper surface of the water return pipe 12 is communicated with a backwashing pipe 8, the backwashing pipe 8 is communicated with the water inlet pipe 11, and the outer surface of the backwashing pipe 8 is in threaded connection with a water inlet valve 5.

Of course, as is well known to those skilled in the art, the feed valve 2, the back flush valve 3, the back flush water inlet valve 5, the water return valve 10, the water inlet pipe 11 and the refrigerator 16 of the present invention also need to provide a power device to make them work normally, and as is well known to those skilled in the art, the power supply is well known and is in the conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.

The working principle of the interstage cooler provided with the backwashing control mechanism based on the embodiment 1 is as follows: when the cooler body 7 works normally, the feed valve 2 and the water return valve 10 are in an open state, and the back flush valve 3 and the back flush water inlet valve 5 are in a closed state. During back flushing, the feed valve 2 and the water return valve 10 are closed, the back flush valve 3 and the back flush water inlet valve 5 are opened, and then the back flush feed valve 2 is rapidly opened and closed for multiple times to repeatedly and positively flush the cooling pipe 4 by using the impact water flow. After the washing is finished, the valves are operated simultaneously to open the feed valve 2 and the water return valve 10, close the back flush valve 3 and the back flush water inlet valve 5, and then the cooler body 7 is restored to a normal heat exchange operation state, so that the cooler body 7 is convenient to clean.

Example two

As shown in fig. 1-4, the utility model provides an interstage cooler with back flush control mechanism, compare in embodiment one, this embodiment still includes back flush valve 3, cooling tube 4, fixed pipe 6, cooler body 7, inlet tube 11, wet return 12 and water tank 15, cooler body 7's inside is fixed with fixed pipe 6, and cooler body 7's inside is located fixed pipe 6 round and is fixed with cooling tube 4, the outer terminal surface intercommunication in one side of fixed pipe 6 has intake pipe 1 that runs through cooler body 7, and the outer terminal surface intercommunication in opposite side of fixed pipe 6 has outlet duct 9 that runs through cooler body 7, the outer terminal surface intercommunication in one side of cooling tube 4 has inlet tube 11, and the surface threaded connection of inlet tube 11 has feed valve 2.

In this embodiment, high temperature gas passes through intake pipe 1 and gets into fixed pipe 6, and low temperature water passes through inlet tube 11 and gets into cooling tube 4, and low temperature water is at 4 internal recycle of cooling tube, and high temperature gas carries out the heat exchange with the low cooling water of temperature to cooling gas makes its temperature reduce, then high temperature water gets back to water tank 15 through wet return 12, so circulation, reaches cooling gas's effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an interstage cooler with back flush control mechanism, includes back flush valve (3), cooling tube (4), fixed pipe (6), cooler body (7), inlet tube (11), wet return (12) and water tank (15), its characterized in that: the inside of cooler body (7) is fixed with fixed pipe (6), and the inside of cooler body (7) is located fixed pipe (6) round and is fixed with cooling tube (4), the outer terminal surface intercommunication in one side of cooling tube (4) has inlet tube (11), and the surface threaded connection of inlet tube (11) has feed valve (2), one side threaded connection that the surface of inlet tube (11) is located feed valve (2) has back flush valve (3), water tank (15) and inlet tube (11) intercommunication, and refrigerator (16) are installed to the inside bottom of water tank (15).

2. The interstage cooler provided with the backwashing control mechanism according to claim 1, wherein: the outer end face of one side of the fixed pipe (6) is communicated with an air inlet pipe (1) penetrating through the cooler body (7), and the outer end face of the other side of the fixed pipe (6) is communicated with an air outlet pipe (9) penetrating through the cooler body (7).

3. The interstage cooler provided with the backwashing control mechanism according to claim 1, wherein: the outer end face of one side of cooler body (7) communicates with return pipe (12), and return pipe (12) and water tank (15) intercommunication, the surface threaded connection of return pipe (12) has return valve (10).

4. The interstage cooler provided with the backwashing control mechanism according to claim 1, wherein: the upper surface of the water return pipe (12) is communicated with a backwashing pipe (8), the backwashing pipe (8) is communicated with a water inlet pipe (11), and the outer surface of the backwashing pipe (8) is in threaded connection with a backwashing water inlet valve (5).

5. The interstage cooler provided with the backwashing control mechanism according to claim 1, wherein: the outer end face of one side of the water tank (15) is communicated with a supporting pipe (14), and the outer surface of the supporting pipe (14) is in threaded connection with a fixed valve (13).