CN215982972U - Air conditioning system for alcoholization warehouse of cigarette factory - Google Patents
Air conditioning system for alcoholization warehouse of cigarette factory Download PDFInfo
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- CN215982972U CN215982972U CN202122218846.0U CN202122218846U CN215982972U CN 215982972 U CN215982972 U CN 215982972U CN 202122218846 U CN202122218846 U CN 202122218846U CN 215982972 U CN215982972 U CN 215982972U
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Abstract
The utility model discloses an air conditioning system for an alcoholization warehouse of a cigarette factory, which comprises a process air conditioning system and a water circulation system, wherein the process air conditioning system is sequentially provided with a surface air cooler for reducing the air temperature, a three-stage preheating heat exchanger for increasing the air temperature, a reheating heat exchanger, a humidifier for increasing the air humidity and a blower for sending the air into the alcoholization warehouse along the air movement direction; the three-stage preheating heat exchanger comprises three heat exchange structures which are arranged in a row and are sequentially communicated; the water circulation system comprises a water chilling unit which is communicated with the surface air cooler and is used for cooling part of the medium-temperature cooling water into chilled water, a cooling tower which is communicated with the three-stage preheating heat exchanger and the water chilling unit, a three-layer heat preservation box which is communicated with the reheating heat exchanger, and a heat pump which is communicated with the three-layer heat preservation box at one end and the water chilling unit at the other end and is used for heating the medium-temperature cooling water into high-temperature cooling water.
Description
Technical Field
The utility model relates to the field of air-conditioning water circulation systems, in particular to an air-conditioning system for an alcoholization warehouse of a cigarette factory.
Background
In the production process of a cigarette factory, particularly in the working process of an alcoholization warehouse, in order to ensure the production quality of tobacco and the safe operation of equipment, a process air conditioner is required to be used for controlling the temperature and the humidity of a production environment to be stably positioned in a set range for a long time, and the existing process air conditioner mainly adopts a cooling and dehumidifying method of temperature and humidity coupling treatment, so that a large amount of heat and humidity compensation is required in the subsequent reheating process, the heat required by reheating is large, and the energy consumption of the whole air conditioning system is high; therefore, how to reduce energy consumption is an important direction for the research of process air-conditioning.
The traditional Chinese patent with publication number of CN202126041U for reducing energy consumption of process air conditioners discloses an air conditioning system for a tobacco warehouse, namely, a dehumidifier and a surface air cooler are sequentially arranged on an air supply pipeline of the tobacco warehouse, fresh air and return air sequentially pass through the dehumidifier, the surface air cooler is then sent into the tobacco warehouse, the dehumidifier is respectively connected with a regenerator and a second solution pump through a first solution pump and a second heat exchanger, the regenerator is connected with a third heat exchanger through a second solution pump, the third heat exchanger exchanges heat with solution in the regenerator through heat pump unit hot water, the fourth heat exchanger exchanges heat with cooling water in a cooling tower through the heat pump unit hot water through a second water pump, a cold water pump unit end is respectively connected with the surface air cooler and the first heat exchanger through the first water pump, and the first heat exchanger provides a bypass for the input end and the output end of the dehumidifier.
Although the air conditioning system for the tobacco warehouse provided by the patent application can reduce the energy consumption of the process air conditioner to a certain extent, the low-grade heat energy generated in the air conditioner with a large amount of medium-temperature cooling water still cannot be effectively utilized in the working process, so that a large amount of energy is wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides an air conditioning system for an alcoholization room of a cigarette factory, which can effectively utilize low-grade heat energy in medium-temperature cooling water, thereby effectively reducing the waste of energy.
An air conditioning system for an alcoholization warehouse of a cigarette factory comprises a process air conditioning system and a water circulation system, wherein the process air conditioning system is sequentially provided with a surface air cooler for reducing the air temperature, a three-stage preheating heat exchanger for increasing the air temperature, a reheating heat exchanger, a humidifier for increasing the air humidity and a blower for sending air into the alcoholization warehouse from the upstream to the downstream along the air movement direction;
the three-stage preheating heat exchanger comprises three heat exchange structures which are arranged in a row and are sequentially communicated;
the water circulation system comprises a water chilling unit which is communicated with the surface air cooler and used for cooling part of the medium temperature cooling water into chilled water, a cooling tower which is communicated with the three-level preheating heat exchanger and the water chilling unit, a three-layer heat preservation box which is communicated with the reheating heat exchanger, and a heat pump which is communicated with the three-layer heat preservation box at one end and the water chilling unit at the other end and used for heating the medium temperature cooling water into high temperature cooling water.
Specifically, low-temperature chilled water flows in the surface air cooler, air flows outside the surface air cooler to exchange heat with the surface air cooler, the air temperature is reduced, then the air moves to the three-stage preheating heat exchanger, medium-temperature cooling water flows in the three-stage preheating heat exchanger, the medium-temperature cooling water preheats cold air, the preheated air moves to the reheating heat exchanger, high-temperature cooling water flows in the reheating heat exchanger, the preheated air is heated to a proper temperature by the high-temperature cooling water, the heated air moves to the humidifier, and the humidifier humidifies the air and then sends the air into the alcoholization library by the air feeder.
The low-temperature chilled water which exchanges heat with air in the surface cooler is heated to medium-temperature cooling water, the medium-temperature cooling water flows to the water chilling unit, part of the medium-temperature cooling water is cooled to low-temperature chilled water by the water chilling unit and then flows back to the surface cooler again, one part of the rest medium-temperature cooling water flows into the three-stage preheating heat exchanger to preheat air, the other part of the rest medium-temperature cooling water flows into the heat pump, the heat pump heats the medium-temperature cooling water to high-temperature cooling water, and a large amount of high-temperature cooling water is stored in the three-stage heat preservation box and used by the reheating heat exchanger. And after heat exchange is completed between the medium-temperature cooling water in the three-stage reheating heat exchanger and air, the medium-temperature cooling water is cooled to be normal-temperature cooling water, and the normal-temperature cooling water flows back to the water chilling unit.
The three-stage preheating heat exchanger has large and dispersed surface area and is suitable for preheating cold air.
Preferably, the three-layer heat preservation box is sequentially provided with an inner container, a middle-layer wall and a shell from inside to outside; the inner container is internally provided with a first water storage cavity, a second water storage cavity is formed between the outer wall of the inner container and the inner wall of the middle layer wall, and an interlayer support for preventing the water tank from deforming is arranged between the outer wall of the middle layer wall and the inner wall of the shell.
Specifically, the three-layer insulation can well insulate the water in the first water storage cavity, and an interlayer support which is arranged between the outer wall of the shell and the outer wall of the middle layer wall and improves the strength is suitable for prolonging the service life of the water tank, and meanwhile, the interlayer support can also prevent the water tank from deforming.
Preferably, the water chilling unit is communicated with the surface cooler through a first loop, and the first loop is used for circulation of chilled water and medium-temperature cooling water;
the water chilling unit is communicated with the three-stage preheating heat exchanger through a second loop, and the second loop is used for circulation of medium-temperature cooling water and normal-temperature cooling water;
the water chilling unit is communicated with the heat pump through a third loop, and the third loop is used for circulating medium-temperature cooling water and high-temperature cooling water;
the heat pump is communicated with the reheating heat exchanger through a fourth loop, and the fourth loop is used for circulating high-temperature cooling water.
Preferably, the three-layer heat insulation box is arranged on the fourth loop and is positioned between the reheating heat exchanger and the heat pump; the heat pump is communicated with the first water storage cavity, the inlet of the reheating heat exchanger is communicated with the first water storage cavity, and the outlet of the reheating heat exchanger is communicated with the second water storage cavity; and the outlet of the second water storage cavity is communicated with a water chilling unit.
Specifically, the high temperature cooling water storage that forms through the heat pump heating exists first water storage chamber, and the high temperature cooling water storage after accomplishing the heat transfer back cooling in the reheat heat exchanger exists second water storage chamber, and under this kind of structure, the high temperature cooling water in the first water storage chamber obtains good heat preservation, and the temperature degree in the second water storage chamber can reduce gradually, consequently, the play back and the cooling water set intercommunication in second water storage chamber.
Preferably, the second loop further comprises a branch provided with a cooling tower, an inlet of the cooling tower is communicated with the third-stage preheating heat exchanger, and an outlet of the cooling tower is communicated with the water chilling unit.
Specifically, if the medium-temperature cooling water which exchanges heat with air is directly cooled to be normal-temperature cooling water, the normal-temperature cooling water directly flows back to the water chilling unit, and if the temperature of the cooling water after being cooled is between the medium-temperature cooling water and the normal-temperature cooling water, the cooling water flows to the cooling tower to be cooled to be the normal-temperature cooling water and then flows back to the water chilling unit.
Preferably, the water cooling system further comprises a diverter, the diverter is communicated with the water chilling unit, the third-level heat exchanger, the second water storage cavity and the cooling tower, and the diverter diverts part of medium-temperature cooling water in the water chilling unit to the third-level heat exchanger, the second water storage cavity and the cooling tower.
Specifically, when the quantity in the second water storage cavity is insufficient, the water chilling unit directly delivers medium-temperature cooling water for heat preservation; when the medium temperature cooling water in the water chilling unit directly flows into the cooling tower to be cooled into normal temperature cooling water.
Preferably, an electric fan for accelerating liquid cooling is arranged above the cooling tower.
Specifically, when the amount of water to be cooled in the cooling tower is large, the electric fan needs to be started to accelerate the cooling speed.
Compared with the prior art, the utility model has the advantages that:
(1) the water circulation system is used for carrying out multi-level utilization on the medium-temperature cooling water, so that a large amount of low-grade heat energy in the medium-temperature cooling water is effectively utilized, and the purposes of saving energy and improving the economy are achieved.
Drawings
FIG. 1 is a schematic diagram of an air conditioning system for a cigarette factory alcoholization cabinet according to the present invention;
fig. 2 is a schematic structural diagram of a three-layer insulation can of an air conditioning system for a alcoholization library of a cigarette factory provided by the present invention.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
As shown in fig. 1-2, the air conditioning system for the alcoholization room of the cigarette factory comprises a process air conditioning system 10 and a water circulation system, wherein the process air conditioning system 10 is provided with a surface air cooler 11 for reducing the air temperature, a three-stage preheat heat exchanger 12 and a reheat heat exchanger 13 for increasing the air temperature, a humidifier 14 for increasing the air humidity, and a blower 15 for sending the air into the alcoholization room in sequence from the upstream to the downstream along the air movement direction; the three-stage preheating heat exchanger 12 comprises three heat exchange structures which are arranged in a row and are communicated in sequence;
the water circulation system comprises a water chilling unit 20, a cooling tower 40, a three-layer heat preservation box 50, a heat pump 30 and a water pump, wherein one end of the three-layer heat preservation box 50 is communicated with the water chilling unit;
the water chilling unit 20 is communicated with the surface cooler 11 through a first loop, and the first loop realizes circulation of chilled water and medium-temperature cooling water; the water chilling unit 20 is communicated with the third-stage preheating heat exchanger 12 through a second loop, and the second loop realizes circulation of medium-temperature cooling water and normal-temperature cooling water; the water chilling unit 20 is communicated with the heat pump 30 through a third loop, and the third loop realizes circulation of medium-temperature cooling water and high-temperature cooling water; the heat pump 30 is communicated with the reheating heat exchanger 13 through a fourth loop, and the fourth loop is used for circulating high-temperature cooling water;
each circuit is provided with a water pump for pressurization and a stop valve for controlling the amount of water.
The three-layer insulation can 50 is provided with an inner container 51, a middle layer wall 52 and a shell 53 in sequence from inside to outside; a first water storage cavity 55 is formed inside the inner container 51, a second water storage cavity 56 is formed between the outer wall of the inner container 51 and the inner wall of the middle layer wall 52, and an interlayer support 54 for preventing the water tank from deforming is arranged between the outer wall of the middle layer wall 52 and the inner wall of the shell 53;
the three-layer heat insulation box 50 is arranged on the fourth loop and is positioned between the reheating heat exchanger 13 and the heat pump 30; the heat pump 30 is communicated with the first water storage cavity 55, the inlet of the reheating heat exchanger 13 is communicated with the first water storage cavity 55, and the outlet of the reheating heat exchanger 13 is communicated with the second water storage cavity 56; the outlet of the second water storage cavity 56 is communicated with the water chilling unit 20;
the diverter 70 is also included to divert part of the warm cooling water in the chiller 20 to the tertiary heat exchanger 12, the second water storage chamber 56, and the diverter 70 of the cooling tower 40.
The second loop also comprises a branch provided with a cooling tower 40, wherein the inlet of the cooling tower 40 is communicated with the three-stage preheating heat exchanger 12, and the outlet of the cooling tower 40 is communicated with the water chilling unit 20; above the cooling tower 40 is provided an electric fan 60 for accelerating the cooling of the liquid.
The specific working process is as follows: the method comprises the steps that low-temperature chilled water flows in a surface air cooler 11, air flows outside the surface air cooler 11 to exchange heat with the surface air cooler 11, the air temperature is reduced, then the air moves to a three-stage preheating heat exchanger 12, medium-temperature cooling water flows in the three-stage preheating heat exchanger 12 and preheats the cold air, the preheated air moves to a reheating heat exchanger 13, high-temperature cooling water flows in the reheating heat exchanger 13, the preheated air is subjected to heat exchange to a proper temperature by the high-temperature cooling water, the air with good heat exchange moves to a humidifier 14, and the humidifier 14 humidifies the air and sends the air into an alcoholization library by a blower 15.
The low-temperature chilled water which completes heat exchange with air in the surface air cooler 11 is heated to medium-temperature chilled water, the medium-temperature chilled water flows to the water chilling unit 20 through the first loop, the water chilling unit 20 cools part of the medium-temperature chilled water to low-temperature chilled water, the low-temperature chilled water flows back to the surface air cooler 11 through the first loop, one part of the rest of the medium-temperature chilled water flows into the third-stage preheating heat exchanger 12 through the second loop to preheat air, the other part of the medium-temperature chilled water flows into the heat pump 30 through the third loop, the heat pump 30 heats the medium-temperature chilled water to high-temperature chilled water, and a large amount of high-temperature chilled water flows into the third-stage heat-preserving box 50 through the fourth loop and is stored in the reheating heat exchanger 13 for use; the medium temperature cooling water in the third-stage preheating heat exchanger 12 is cooled to normal temperature cooling water after heat exchange with air is completed, the normal temperature cooling water flows back to the water chilling unit 20, the medium temperature cooling water which is not cooled to normal temperature cooling water after heat exchange flows into the cooling tower 40 and is slightly cooled to normal temperature cooling water, and then flows back to the water chilling unit 20.
Claims (7)
1. An air conditioning system for an alcoholization warehouse of a cigarette factory comprises a process air conditioning system and a water circulating system and is characterized in that,
the process air conditioning system is sequentially provided with a surface air cooler for reducing the air temperature, a three-level preheating heat exchanger for increasing the air temperature, a reheating heat exchanger, a humidifier for increasing the air humidity and a blower for sending the air into the alcoholization library from the upstream to the downstream along the air movement direction;
the three-stage preheating heat exchanger comprises three heat exchange structures which are arranged in a row and are sequentially communicated;
the water circulation system comprises a water chilling unit which is communicated with the surface air cooler and used for cooling part of the medium temperature cooling water into chilled water, a cooling tower which is communicated with the three-level preheating heat exchanger and the water chilling unit, a three-layer heat preservation box which is communicated with the reheating heat exchanger, and a heat pump which is communicated with the three-layer heat preservation box at one end and the water chilling unit at the other end and used for heating the medium temperature cooling water into high temperature cooling water.
2. The air conditioning system for the alcoholization warehouse of the cigarette factory as recited in claim 1, wherein said three-layer heat-insulation box is provided with an inner container, a middle-layer wall and a shell in sequence from inside to outside; the inner container is internally provided with a first water storage cavity, a second water storage cavity is formed between the outer wall of the inner container and the inner wall of the middle layer wall, and an interlayer support for preventing the water tank from deforming is arranged between the outer wall of the middle layer wall and the inner wall of the shell.
3. The air conditioning system for the alcoholization library of a cigarette factory according to claim 2, wherein said water chilling unit is communicated with the surface air cooler through a first loop for circulation of chilled water and medium temperature cooling water;
the water chilling unit is communicated with the three-stage preheating heat exchanger through a second loop, and the second loop is used for circulation of medium-temperature cooling water and normal-temperature cooling water;
the water chilling unit is communicated with the heat pump through a third loop, and the third loop is used for circulating medium-temperature cooling water and high-temperature cooling water;
the heat pump is communicated with the reheating heat exchanger through a fourth loop, and the fourth loop is used for circulating high-temperature cooling water.
4. The air conditioning system for the alcoholization room of the cigarette factory as recited in claim 3, wherein said three-layer insulation can is disposed on the fourth loop between the reheat heat exchanger and the heat pump; the heat pump is communicated with the first water storage cavity, the inlet of the reheating heat exchanger is communicated with the first water storage cavity, and the outlet of the reheating heat exchanger is communicated with the second water storage cavity; and the outlet of the second water storage cavity is communicated with a water chilling unit.
5. The air conditioning system for a cigarette factory alcoholization cabinet according to claim 3, wherein said second circuit further comprises a branch provided with a cooling tower, the inlet of said cooling tower is in communication with a tertiary preheating heat exchanger, the outlet of said cooling tower is in communication with a water chilling unit.
6. The air conditioning system for the cigarette factory alcoholization cabinet according to claim 5, further comprising a diverter in communication with the chiller, the tertiary heat exchanger, the second water storage chamber, and the cooling tower, said diverter diverting a portion of the medium temperature cooling water in the chiller to the tertiary heat exchanger, the second water storage chamber, and the cooling tower.
7. The air conditioning system for a cigarette factory alcoholization library of claim 5, wherein an electric fan for accelerated cooling is provided above said cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122218846.0U CN215982972U (en) | 2021-09-14 | 2021-09-14 | Air conditioning system for alcoholization warehouse of cigarette factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122218846.0U CN215982972U (en) | 2021-09-14 | 2021-09-14 | Air conditioning system for alcoholization warehouse of cigarette factory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215982972U true CN215982972U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122218846.0U Active CN215982972U (en) | 2021-09-14 | 2021-09-14 | Air conditioning system for alcoholization warehouse of cigarette factory |
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| Country | Link |
|---|---|
| CN (1) | CN215982972U (en) |
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2021
- 2021-09-14 CN CN202122218846.0U patent/CN215982972U/en active Active
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