CN212619664U

CN212619664U - Circulating water pool for carbon dioxide production

Info

Publication number: CN212619664U
Application number: CN202020828713.8U
Authority: CN
Inventors: 汤杰
Original assignee: Maoming Huayue Huayuan Gas Co ltd
Current assignee: Maoming Huayue Huayuan Gas Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-26
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to the technical field of carbon dioxide production equipment, in particular to a circulating water tank for carbon dioxide production, which comprises a purifying tower and a circulating water tank, wherein a plate heat exchanger is fixedly arranged at the side wall of the top surface on the right side of the circulating water tank, and a first connector, a second connector, a third connector and a fourth connector are respectively arranged on the plate heat exchanger; the utility model discloses an after improving, install plate heat exchanger on circulating water pond, collect the gaseous surplus cold volume after cooling coil pipe through plate heat exchanger cools off, the heat on the reabsorption circulating water, with cold volume recycle, and then further reduce the temperature of circulating water, maintain the cooling effect, thoroughly absorb a large amount of microthermal carbon dioxide cold volume in the exhaust air of purification tower, carry out energy saving and emission reduction on the earth.

Description

Circulating water pool for carbon dioxide production

Technical Field

The utility model belongs to the technical field of carbon dioxide production facility technique and specifically relates to circulation water tank is used in carbon dioxide production.

Background

Purification tower is generally needed to be used for purification in the production of carbon dioxide, and the exhaust air of the purification tower contains a large amount of carbon dioxide and carries a large amount of cold energy due to condensation, so that the exhaust air is directly wasted.

In addition, since industrial water is generally weakly acidic, a small amount of alkaline substance is generally added to neutralize the circulating cooling water for carbon dioxide production, and the problem of excessive addition often occurs in actual operation.

In order to solve the above problems, the industry has improved, for example, a circulating water neutralizing system for carbon dioxide production disclosed in chinese patent, the patent numbers are: 201621074545.8, comprising a purification tower and a circulating water pool, and is characterized in that: a first air inlet pipe is arranged on one side of the upper part of the circulating water tank, an exhaust pipe is arranged on the other side of the upper part of the circulating water tank, a second air inlet pipe is arranged on one side of the bottom of the circulating water tank, a cooling coil is arranged in the circulating water tank and communicated with the first air inlet pipe and the exhaust pipe, an emptying pipe of the purification tower is respectively communicated with the first air inlet pipe and the second air inlet pipe through a pipeline, and an exhaust fan is arranged on the pipeline; the second air inlet pipe is also communicated with a bubble tube, and the bubble tube is a round tube with micropores uniformly arranged on the tube wall. And the first air inlet pipe and the second air inlet pipe are both provided with switch valves. And an active carbon filter is also arranged between the emptying pipe of the purification tower and the exhaust fan.

Through adopting cooling coil to collect the cold volume in a large amount of low temperature carbon dioxide in the exhaust air of purification tower among the above-mentioned scheme, and then reapply in the circulating water pond, make the circulating water in the circulating water pond obtain effectual cooling, and simultaneously, the waste of cold volume has also been avoided, however, in actual production, we discover once more, by the exhaust a large amount of low temperature carbon dioxide in the exhaust air of purification tower, after cooling coil, although cooling coil has already carried out cooling to the circulating water, however, after the cooling of a round, cold volume gas is finally when discharging from the blast pipe, once more through detecting, this gas after cooling still has a small amount of cold volume, if directly discharge it, also can cause certain waste.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a circulating water pond is used in carbon dioxide production, this circulating water pond through improving the back, can effectively thoroughly absorb a large amount of microthermal carbon dioxide cold volume in the exhaust air of purification tower, go on energy saving and emission reduction to the end.

The technical scheme of the utility model is that:

carbon dioxide production is with circulation pond, its characterized in that: it comprises a purifying tower and a circulating water tank, wherein the circulating water tank is positioned on the right side of the purifying tower, an emptying pipe is installed on the top surface of the purifying tower, a first air inlet pipe is arranged on the upper portion of the left side of the circulating water tank, an exhaust pipe corresponding to the first air inlet pipe is arranged on the upper portion of the right side of the circulating water tank, a second air inlet pipe is arranged on the lower portion of the left side of the circulating water tank, a cooling coil pipe is arranged in the circulating water tank, the left end and the right end of the cooling coil pipe are respectively connected with the first air inlet pipe and the exhaust pipe, the emptying pipe is respectively communicated with the first air inlet pipe and the second air inlet pipe through a pipeline, an exhaust fan is arranged on the pipeline, the second air inlet pipe is also communicated with a bubble pipe, a plate heat exchanger is fixedly installed on the side wall of the, the blast pipe is connected with the third connector through connecting the trachea, the interior bottom fixed mounting in circulating water pond has circulating water pump, circulating water pump's play water end is connected with the second connector through first connecting water pipe, the fourth connector is connected with second connecting water pipe, the other end that the second connected water pipe extends to the interior top in circulating water pond, install the outlet duct on the first connector.

Furthermore, the first air inlet pipe and the second air inlet pipe are both provided with switch valves.

Furthermore, an active carbon filter is arranged between the emptying pipe of the purification tower and the exhaust fan.

Furthermore, the bubble tube is a round tube with micropores uniformly arranged on the tube wall.

Furthermore, the second connecting water pipe is fixed on the circulating water pool through a fixing frame.

Furthermore, a bottom plate is fixedly installed on the side wall of the top surface of the right side of the circulating water tank through expansion screws, and the plate heat exchanger is installed on the top surface of the bottom plate through bolts.

The utility model has the advantages that: the utility model discloses an after improving, install plate heat exchanger on circulating water pond, collect the gaseous surplus cold volume after cooling coil pipe through plate heat exchanger cools off, the heat on the reabsorption circulating water, with cold volume recycle, and then further reduce the temperature of circulating water, maintain the cooling effect, thoroughly absorb a large amount of microthermal carbon dioxide cold volume in the exhaust air of purification tower, carry out energy saving and emission reduction on the earth.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a purification tower; 2. a circulating water tank; 3. emptying the pipe; 4. a first intake pipe; 5. an exhaust pipe; 6. a second intake pipe; 7. a cooling coil; 8. an exhaust fan; 9. a bubble tube; 10. a plate heat exchanger; 11. a first connector; 12. a second connector; 13. a third connector; 14. a fourth connector; 15. connecting an air pipe; 16. a water circulating pump; 17. a first connecting water pipe; 18. a second connecting water pipe; 19. an air outlet pipe; 20. a fixed mount; 21. a base plate.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1, the circulating water tank for carbon dioxide production comprises a purifying tower 1 and a circulating water tank 2, wherein the circulating water tank 2 is positioned on the right side of the purifying tower 1, an evacuation pipe 3 is installed on the top surface of the purifying tower 1, a first air inlet pipe 4 is arranged on the upper portion of the left side of the circulating water tank 2, an exhaust pipe 5 corresponding to the first air inlet pipe 4 is arranged on the upper portion of the right side of the circulating water tank 2, a second air inlet pipe 6 is arranged on the lower portion of the left side of the circulating water tank 2, a cooling coil 7 is arranged in the circulating water tank 2, the left end and the right end of the cooling coil 7 are respectively connected with the first air inlet pipe 4 and the exhaust pipe 5, the evacuation pipe 3 is respectively communicated with the first air inlet pipe 4 and the second air inlet pipe 6 through a pipeline, an exhaust fan 8 is arranged on the pipeline, the second air inlet pipe 6, be equipped with first connector 11, second connector 12, third connector 13 and fourth connector 14 on the plate heat exchanger 10 respectively, blast pipe 5 is connected with third connector 13 through connecting 15 trachea, the interior bottom fixed mounting in circulating water pond 2 has circulating water pump 16, circulating water pump 16's play water end is connected with second connector 12 through first connecting water pipe 17, fourth connector 14 is connected with second connecting water pipe 18, the other end that the second connected water pipe 18 extends to the interior top in circulating water pond 2, install outlet duct 19 on the first connector 11.

And the first air inlet pipe 4 and the second air inlet pipe 6 are both provided with switch valves. The function of the cooling coil pipe is to facilitate the selection of the cooling coil pipe 7 or the bubble pipe 9.

An active carbon filter is also arranged between the emptying pipe 3 of the purifying tower 1 and the exhaust fan 8. The function of the device is to reduce the pollution of organic oil gas to circulating water.

The bubble tube 9 is a round tube with micropores uniformly arranged on the tube wall. The function of the device is to directly and uniformly fill carbon dioxide into circulating water.

The second connecting water pipe 18 is fixed to the circulating water tank 2 by a fixing frame 20. Which functions to effectively fix the second connecting water tube 18.

The right side top surface side wall of the circulating water tank 2 is fixedly provided with a bottom plate 21 through expansion screws, and the plate heat exchanger 10 is arranged on the top surface of the bottom plate 21 through bolts. Which serves to securely mount the plate heat exchanger 10.

The utility model discloses an effect that theory of operation and production do:

(1) the exhaust fan 8 is used for pumping the carbon dioxide exhaust air with lower temperature into the cooling coil 7, so that the circulating water can be cooled conveniently;

(2) the exhaust air of the carbon dioxide with lower temperature is pumped into the bubble tube 9 by the exhaust fan 8, and then the carbon dioxide is directly and uniformly filled into the circulating water through the micropores on the bubble tube 9, so that the cooling efficiency of the circulating water is further improved, and the redundant alkali can be neutralized;

(3) residual cold of the gas cooled by the cooling coil 7 is collected through the plate heat exchanger 10, heat on the circulating water is absorbed again, and the cold is recycled, so that the temperature of the circulating water is further reduced, the cooling effect is maintained, a large amount of low-temperature carbon dioxide cold in the exhaust air of the purifying tower 1 is completely absorbed, and energy conservation and emission reduction are achieved.

The heat exchange principle of the plate heat exchanger 10 is as follows: the residual cold of gas enters the plate heat exchanger 10 through the connecting air pipe 15, in addition, circulating water is pumped into the plate heat exchanger 10 through the first connecting water pipe 17 by the circulating water pump 16, the residual cold in the gas is absorbed by the plate heat exchanger 10, and then the heat on the circulating water is absorbed, so that the cold is completely absorbed, the temperature of the circulating water is further reduced, and the cooling effect is maintained.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. Carbon dioxide production is with circulation pond, its characterized in that: it comprises a purification tower (1) and a circulating water tank (2), wherein the circulating water tank (2) is positioned on the right side of the purification tower (1), an evacuation pipe (3) is installed on the top surface of the purification tower (1), a first air inlet pipe (4) is arranged on the upper portion of the left side of the circulating water tank (2), an exhaust pipe (5) corresponding to the first air inlet pipe (4) is arranged on the upper portion of the right side of the circulating water tank (2), a second air inlet pipe (6) is arranged on the lower portion of the left side of the circulating water tank (2), a cooling coil (7) is arranged in the circulating water tank (2), the left end and the right end of the cooling coil (7) are respectively connected with the first air inlet pipe (4) and the exhaust pipe (5), the evacuation pipe (3) is respectively communicated with the first air inlet pipe (4) and the second air inlet pipe (6) through a pipeline, an exhaust fan (8) is arranged on the pipeline, fixed mounting is located to the right side top surface lateral wall of circulating water pond (2) has plate heat exchanger (10), be equipped with first connector (11), second connector (12), third connector (13) and fourth connector (14) on plate heat exchanger (10) respectively, blast pipe (5) are connected with third connector (13) through connecting trachea (15), the interior bottom fixed mounting of circulating water pond (2) has circulating water pump (16), the outlet end of circulating water pump (16) is connected with second connector (12) through first connecting water pipe (17), fourth connector (14) are connected with the second and connect water pipe (18), the other end that water pipe (18) were connected to the second extends to the interior top of circulating water pond (2), install outlet duct (19) on first connector (11).

2. The circulating water pool for carbon dioxide production according to claim 1, characterized in that: and the first air inlet pipe (4) and the second air inlet pipe (6) are both provided with switch valves.

3. The circulating water tank for carbon dioxide production according to claim 2, characterized in that: an active carbon filter is arranged between the emptying pipe (3) of the purifying tower (1) and the exhaust fan (8).

4. The circulating water tank for carbon dioxide production according to claim 3, characterized in that: the bubble tube (9) is a round tube with micropores uniformly arranged on the wall.

5. The circulating water tank for carbon dioxide production according to claim 4, characterized in that: the second connecting water pipe (18) is fixed on the circulating water pool (2) through a fixing frame (20).

6. The circulating water tank for carbon dioxide production according to claim 5, characterized in that: the heat exchanger is characterized in that a bottom plate (21) is fixedly mounted on the side wall of the top surface of the right side of the circulating water tank (2) through expansion screws, and the plate heat exchanger (10) is mounted on the top surface of the bottom plate (21) through bolts.