CN215676069U

CN215676069U - Full liquid air separation plant

Info

Publication number: CN215676069U
Application number: CN202121432108.XU
Authority: CN
Inventors: 鲁峥频; 吕海潮; 姚东
Original assignee: Hangzhou Riyao Coatings Co ltd
Current assignee: Hangzhou Riyao Coatings Co ltd
Priority date: 2021-06-27
Filing date: 2021-06-27
Publication date: 2022-01-28
Anticipated expiration: 2031-06-27

Abstract

The utility model discloses an all-liquid air separation plant, and relates to the technical field of air separation plants. The utility model comprises an air compressor, a cold box arranged on the periphery of the air compressor, a cooling box arranged on one side of the cold box, and a pump body arranged on the upper side of the cooling box. According to the utility model, the cooling box is arranged on one side of the cooling box, the pump body is arranged on one side of the cooling box, the cooling liquid with higher temperature flows out of the cooling box and is cooled in the cooling box, the cooling liquid with higher temperature enters the cooling box through the pump body to cool the air compressor, so that circulating cooling is formed, the cooling speed of the air compressor is increased, the addition of the cooling liquid is reduced, the whole cooling process is more environment-friendly, the fan, the cooling assembly and the spiral pipe are arranged in the cooling box, the cooling liquid with higher temperature can be rapidly cooled, the working efficiency of the cooling box is improved, and the cooling effect of the air compressor is further enhanced.

Description

Full liquid air separation plant

Technical Field

The utility model belongs to the technical field of air separation equipment, and particularly relates to an all-liquid air separation equipment.

Background

An all liquid air separation plant is generally referred to as an air separation plant that produces liquid oxygen, a liquid nitrogen product directly, and such an air separation plant generally produces no or a small amount of a gaseous product. The full liquid air separation plant is a large and complex system and mainly comprises the following subsystems: the system comprises a power system, a purification system, a refrigeration system, a heat exchange system, a rectification system, a product conveying system, a liquid storage system, a control system and the like, and mainly comprises a raw material air compressor. An all liquid air separation plant is essentially accomplished by energy conversion. And the energy of the device is mainly input by a raw material air compressor. Correspondingly, most of the total energy consumption required by air separation is energy consumption of a raw material air compressor, air is compressed into liquid by the compressor through the all-liquid air separation equipment, and the air releases heat in the compression process, so that the compressor needs to be refrigerated and cooled.

However, most of the existing devices for cooling the air compressor are too slow in cooling speed and too long in time, and a large amount of cooling liquid or wind power is needed for cooling, so that the energy consumption is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an all-liquid air separation plant, which solves the prior technical problems that the cooling speed of the air compressor cooling equipment in the all-liquid air separation plant is too low and the time is too long.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

an all-liquid air separation plant comprises an air compressor, a cold box arranged on the peripheral side of the air compressor, a cooling box arranged on one side of the cold box, a pump body arranged on the upper side of the cooling box, a water inlet pipe communicated between the pump body and the cold box, a water outlet pipe communicated between the cooling box and the cold box, and a temperature sensor arranged on one side of the air compressor;

the cooling box is internally provided with two fans, a fixed plate is fixed in the cooling box, a cooling component is rotationally matched with the lower side of the fixed plate, a spiral pipe is fixed on the upper side of the fixed plate, and the lower end of the spiral pipe is communicated with the cooling component.

Optionally, the cooling assembly comprises two annular pipes, a connecting pipe communicated with the inner side of the annular pipe, a plurality of thin pipes communicated between the two annular pipes, and a plate body fixed on one side of the thin pipes, and the two connecting pipes are respectively communicated with the water outlet pipe and the spiral pipe and are in running fit with the water outlet pipe and the spiral pipe.

Optionally, the two fans are located on opposite sides of the inner wall of the cooling box, the two fans are located on the same horizontal plane and are arranged in a staggered mode, and the two fans correspond to the plate body.

Optionally, the water inlet pipe is located at the upper side of the cold box, and the water outlet pipe is located at the lower side of the cold box.

Optionally, a spiral groove is arranged in the cold box.

Optionally, the upper end of the spiral pipe is fixedly connected with the water inlet of the pump body, and one end of the water inlet pipe is fixedly connected with the water outlet of the pump body.

The embodiment of the utility model has the following beneficial effects:

according to one embodiment of the utility model, the cooling box is arranged on one side of the cooling box, the pump body is arranged on one side of the cooling box, the cooling box flows out of the cooling liquid with higher temperature after the air compressor is cooled, the cooling liquid with higher temperature enters the cooling box for cooling, the cooled cooling liquid enters the cooling box through the pump body for cooling the air compressor, circulating cooling is formed, the cooling speed of the air compressor is increased, the addition of the cooling liquid is reduced, the whole cooling process is more environment-friendly, the fan, the cooling assembly and the spiral pipe are arranged in the cooling box, the cooling liquid with higher temperature can be rapidly cooled, the working efficiency of the cooling box is improved, and the cooling effect of the air compressor is further enhanced.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of an assembly structure of a full liquid air separation plant according to an embodiment of the present invention

FIG. 2 is a perspective view of an air compressor and a cold box assembly according to an embodiment of the present invention;

FIG. 3 is a perspective view of a cooling box according to an embodiment of the present invention;

fig. 4 is a schematic sectional view illustrating an assembly of a blower and a fixing plate according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the cooling system comprises an air compressor 1, a cold box 2, a cooling box 3, a pump body 4, a temperature sensor 5, a water inlet pipe 6, a water outlet pipe 7, a cooling assembly 8, an annular pipe 801, a thin pipe 802, a plate body 803, a connecting pipe 804, a fan 9, a fixing plate 10 and a spiral pipe 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

Referring to fig. 1-4, in the present embodiment, there is provided an all liquid air separation plant, comprising: the air cooling system comprises an air compressor 1, a cold box 2 arranged on the peripheral side of the air compressor 1, a cooling box 3 arranged on one side of the cold box 2, a pump body 4 arranged on the upper side of the cooling box 3, a water inlet pipe 6 communicated between the pump body 4 and the cold box 2, a water outlet pipe 7 communicated between the cooling box 3 and the cold box 2, and a temperature sensor 5 arranged on one side of the air compressor 1;

the cooling box 3 is internally provided with two fans 9, the cooling box 3 is internally fixed with a fixing plate 10, the fixing plate 10 separates the cooling box 3 into two independent spaces, the lower side of the fixing plate 10 is rotatably matched with a cooling component 8, the upper side of the fixing plate 10 is fixed with a spiral pipe 11, and the lower end of the spiral pipe 11 is communicated with the cooling component 8. The upper end of the spiral pipe 11 is communicated with the water inlet of the pump body 4.

The application of one aspect of the embodiment is as follows: when using full liquid air separation plant, need cool down to air compressor 1, specifically include: starting a pump body 4, enabling a cooling liquid to enter a cold box 2 through a water inlet pipe 6 by the pump body 4, cooling the air compressor 1 by the cold box 2, enabling the cooling liquid with higher temperature to enter a cooling component 8 in a cooling box 3 through a water outlet pipe 7 after cooling, then starting two fans 9, enabling the fans 9 to blow the cooling component 8 to rotate while cooling the cooling component 8, enabling the cooling liquid to enter a spiral pipe 11 through the cooling component 8, filling cooling water between the cooling box 3 and the upper side of a fixing plate 10, enabling the peripheral side of the spiral pipe 11 to be cooled for the second time through the cooling water, enabling the cooled cooling liquid to enter the water inlet pipe 6 through the pump body 4, enabling the cooling liquid to continuously flow into the cold box 2 through the water inlet pipe 6 to continuously cool the air compressor 1 so as to complete circulating cooling, and enabling a temperature sensor 5 to control the pump body 4 to be opened or closed when the temperature of the air compressor 1 rises or falls to a certain temperature, thereby opening or canceling the cooling of the air compressor 1 by the cold box 2. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.

Through set up cooling box 3 in cold box 2 one side, cooling box 3 one side sets up pump body 4, the higher coolant liquid of temperature after 2 flows out the cooling to air compressor 1, the higher coolant liquid of temperature gets into cooling box 3 and cools down, the coolant liquid after the cooling cools down to air compressor 1 in the pump body 4 gets into cold box 2, form circulative cooling, the speed of the cooling to air compressor 1 is improved, reduce the interpolation of coolant liquid, make the environmental protection more of whole cooling process, set up fan 9 in cooling box 3, cooling module 8, spiral pipe 11, can cool down the higher coolant liquid of temperature fast, the work efficiency of cooling box 3 is improved, thereby further strengthen the effect to the cooling of air compressor 1.

Referring to fig. 3, the cooling assembly 8 of the present embodiment includes two annular pipes 801, a connecting pipe 804 communicated with the inner sides of the annular pipes 801, a plurality of thin pipes 802 communicated between the two annular pipes 801, and a plate body 803 fixed on one side of the thin pipes 802, wherein the two connecting pipes 804 are respectively communicated with the water outlet pipe 7 and the spiral pipe 11 and are in rotating fit therewith. The cooling liquid with higher temperature enters the lower side connecting pipe 804 through the water outlet pipe 7, then enters the plurality of thin pipes 802 through the connecting pipe 804, then the two fans 9 perform heat dissipation and cooling on the cooling liquid in the plurality of thin pipes 802, and finally the cooling liquid after heat dissipation and cooling enters the upper side connecting pipe 804 and enters the spiral pipe 11 through the connecting pipe 804 to perform cooling again;

wherein, the two connecting pipes 804 are respectively communicated with the water outlet pipe 7 and the spiral pipe 11 and are matched in a rotating way in the prior art.

Referring to fig. 3, the two fans 9 of the present embodiment are located on opposite sides of the inner wall of the cooling box 3, the two fans 9 are located on the same horizontal plane and are staggered, and the two fans 9 correspond to the plate 803. Two fans 9 alternately and clockwise blow plate bodies 803, so that the plate bodies 803 drive the annular pipes 801 to rotate, the contact area of the multiple thin pipes 802 and the fans is increased, and cooling liquid can be better cooled.

Referring to fig. 2-3, the water inlet pipe 6 of the present embodiment is located at the upper side of the cold box 2, and the water outlet pipe 7 is located at the lower side of the cold box 2. The water inlet pipe 6 is used for flowing the cooling liquid into the cold box 2 from the pump body 4, and the water outlet pipe 7 is used for flowing the cooling liquid with higher temperature into the cooling box 3 from the cold box 2.

The cold box 2 of the present embodiment is provided with a spiral groove therein. The spiral groove increases the contact area between the cooling liquid and the air compressor 1, so that the cooling liquid can flow around the air compressor 1 for multiple times to reduce the temperature.

Referring to fig. 4, the upper end of the spiral tube 11 of the present embodiment is fixedly connected to the water inlet of the pump body 4, and one end of the water inlet tube 6 is fixedly connected to the water outlet of the pump body 4. Spiral pipe 11 is located between cooling box 3 and the 10 upsides of fixed plate, is full of the cooling water between cooling box 3 and the 10 upsides of fixed plate, and spiral pipe 11 can increase the area of contact with the cooling water, can fully cool down the coolant liquid in spiral pipe 11, and the coolant liquid after the cooling is discharged through pump body 4.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. An all-liquid air separation plant, comprising: the air cooling system comprises an air compressor (1), a cooling box (2) arranged on the peripheral side of the air compressor (1), a cooling box (3) arranged on one side of the cooling box (2), a pump body (4) arranged on the upper side of the cooling box (3), a water inlet pipe (6) communicated between the pump body (4) and the cooling box (2), a water outlet pipe (7) communicated between the cooling box (3) and the cooling box (2), and a temperature sensor (5) arranged on one side of the air compressor (1);

two fans (9) are arranged in the cooling box (3), a fixing plate (10) is fixed in the cooling box (3), a cooling component (8) is rotatably matched with the lower side of the fixing plate (10), a spiral pipe (11) is fixed on the upper side of the fixing plate (10), and the lower end of the spiral pipe (11) is communicated with the cooling component (8).

2. The full-liquid air separation equipment as claimed in claim 1, wherein the cooling assembly (8) comprises two annular pipes (801), a connecting pipe (804) communicated with the inner sides of the annular pipes (801), a plurality of thin pipes (802) communicated between the two annular pipes (801), and a plate body (803) fixed on one side of the thin pipes (802), wherein the two connecting pipes (804) are respectively communicated with the water outlet pipe (7) and the spiral pipe (11) and are in rotating fit.

3. An all-liquid air separation plant according to claim 2, characterized in that the two fans (9) are located on opposite sides of the inner wall of the cooling box (3), the two fans (9) are located on the same horizontal plane and are staggered, and the two fans (9) correspond to the plate body (803).

4. A liquid-full air separation plant according to claim 1, characterized in that the inlet pipe (6) is located at the upper side of the cold box (2) and the outlet pipe (7) is located at the lower side of the cold box (2).

5. An all-liquid air separation plant according to claim 1, characterized in that the cold box (2) is provided with spiral grooves.

6. An all-liquid air separation plant as claimed in claim 1, wherein the upper end of the spiral pipe (11) is fixedly connected with the water inlet of the pump body (4), and one end of the water inlet pipe (6) is fixedly connected with the water outlet of the pump body (4).