CN219474058U - Evaporator group circulation deicing system - Google Patents
Evaporator group circulation deicing system Download PDFInfo
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- CN219474058U CN219474058U CN202320566686.5U CN202320566686U CN219474058U CN 219474058 U CN219474058 U CN 219474058U CN 202320566686 U CN202320566686 U CN 202320566686U CN 219474058 U CN219474058 U CN 219474058U
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Abstract
The utility model relates to an evaporator group circulation ice system which comprises two large evaporators, two small evaporators and a collecting tank, wherein one large evaporator and one small evaporator form a first evaporator group, the other large evaporator and the other small evaporator form a second evaporator group, the large evaporators and the small evaporators in the same group are coaxially arranged left and right and are connected with each other, and the first evaporator group and the second evaporator group are arranged above the collecting tank in parallel. The utility model fully utilizes the existing vacuum state in the production process and a small amount of surplus steam in normal production of enterprises, and the vacuum state and the surplus steam are perfectly combined without stopping the machine to break the vacuum, thereby saving resources.
Description
Technical Field
The utility model relates to the technical field of evaporator deicing, in particular to an evaporator group circulating deicing system.
Background
The vacuum unit is a device or equipment for obtaining vacuum by pumping the pumped container by using a mechanical, physical and chemical method, is widely used in the industries of metallurgy, chemical industry, food, electronic coating and the like, and is used for carrying out a vacuum pumping process on a system pipeline and an evaporator in the production process, wherein the evaporator is a main heat exchange device of a refrigerating system and exchanges heat with an external medium flowing through the surfaces of the components of the device through a refrigerant. In operation, the refrigerant in the evaporator is changed from liquid state to gas state, so as to achieve the effect of refrigeration.
Generally, the defrosting frequency of the evaporator in a low-temperature high-humidity environment is high, the heat exchange efficiency of the heat exchanger can be reduced by a frost layer, the energy consumption of a vacuum unit and a blower is increased, and the timely and effective defrosting and deicing of the heat exchanger are ensured. The existing deicing process is carried out by filling high-temperature and high-pressure steam generated by a high-power boiler into an evaporator, the device needs to consume a large amount of energy to heat the boiler to generate high-pressure steam, the inside of the evaporator is frozen from-25 ℃, the high-temperature steam at 170 ℃ is directly filled into the evaporator, the vacuum environment is broken, the vacuum is required to be pumped again after deicing, and the expansion and contraction caused by overlarge temperature difference can bring about larger negative effects on a welding structure, a sealing structure and a cooling pipeline. In food and grease production enterprises, a large amount of processes need to use steam, if the existing processes are used, a high-power boiler needs to be added, and when ice melting is not needed, a part of steam is wasted.
In the prior art, the reuse rate of the wastewater generated by the evaporator is not high, the generated distilled water is wasted, and the water resource utilization can not be well completed.
Disclosure of Invention
The utility model aims to overcome the defects and provide the circulating deicing system of the evaporator group, which improves the deicing efficiency of the evaporator and can achieve good deicing effect.
The purpose of the utility model is realized in the following way:
the circulating ice system of the evaporator group comprises two large evaporators, two small evaporators and a collecting tank, wherein one large evaporator and one small evaporator form a first evaporator group, the other large evaporator and the other small evaporator form a second evaporator group, the large evaporators and the small evaporators of the same group are coaxially arranged left and right and are connected with each other, and the first evaporator group and the second evaporator group are arranged above the collecting tank in parallel and are fixed by adopting a bracket;
the upper end of the large evaporator is provided with an air inlet, an air inlet valve is arranged at the air inlet, the lower end of the large evaporator is provided with a wastewater outlet, the bottom of the large evaporator is provided with a chilled water inlet and outlet, and the side surface of the large evaporator is provided with an upper steam inlet and a lower steam inlet; the upper end of the small evaporator is provided with an exhaust port, the exhaust port is provided with an exhaust valve, the lower end of the small evaporator is provided with a waste water outlet, the bottom of the small evaporator is provided with a chilled water inlet and outlet, and the side surface of the small evaporator is provided with an upper steam inlet and a lower steam inlet;
the left part of the top surface of the collecting tank is provided with two steam ports which are respectively connected with steam inlets of the first evaporator group and the second evaporator group through an deicing steam pipeline, the right part of the top surface of the collecting tank is provided with two waste water ports which are respectively connected with waste water outlets of the first evaporator group and the second evaporator group through a waste water discharge pipeline; the exhaust port of the small evaporator is connected with the vacuum unit through a system pipeline, the small evaporator is connected with the large evaporator through a system pipeline, and the small evaporators are connected through a system pipeline.
Further, a water supplementing port is arranged on one side face of the collecting tank.
Further, a drain outlet is arranged on the other side face of the collecting tank, and the drain outlet is connected with a sewage pool.
Further, a clean opening is arranged on the bottom surface of the collecting tank.
Further, a transparent sight glass window is arranged on the front surface of the collecting tank.
Further, the top surface of the collecting tank is also provided with a floating ball liquid level meter.
Further, a temperature transmitter is arranged on the collecting tank.
Further, the chilled water inlets and outlets of the first evaporator set and the second evaporator set are respectively connected with a chilled water tank through chilled water pipelines, and the chilled water tank is connected with a refrigerator.
A method of using a circulating ice-making system of an evaporator group, comprising the steps of:
two groups of evaporators of the Yu Rehua ice system, one group is normally produced, and the other group is used for standby and is circularly switched for use; when the evaporator is switched, a valve is used for locking, a closed space is formed between the evaporator requiring deicing and the collecting tank, and the space is in a vacuum state of several hundred Pa;
a small amount of water is added into the collecting tank in advance through a water supplementing port;
the foreline vacuum unit performs a vacuum pumping process on the system pipeline and each evaporator;
chilled water is introduced into each evaporator through a chilled water pipeline;
after the adsorption is full, starting a waste heat deicing system, opening a deicing steam pipeline, introducing a small amount of waste heat steam into the steam pipeline in the collecting tank to heat water, heating to more than 50 ℃ by a heating coil in the collecting tank to generate a large amount of steam, enabling the steam to enter the evaporator through the deicing steam pipeline to melt ice cubes adsorbed on the pipeline of the evaporator system, and simultaneously enabling the evaporator and the collecting tank to keep in a vacuum state under the condensation adsorption effect of the ice cubes, so that the circulation is repeated until all the ice cubes are completely melted.
Further, the melted mixture of ice, water and oil enters the collecting tank through the waste water discharge pipeline and is recycled through the sewage outlet.
Further, a heating coil is arranged in the collecting tank.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a circulating deicing system of an evaporator group, which uses a small amount of steam to gasify water at 50 ℃, steam flow generated after gasification carries out deicing on the evaporator, has good deicing effect and improves deicing efficiency; the existing vacuum state in the production process and a small amount of surplus steam during normal production of enterprises are fully utilized, the existing vacuum state and the surplus steam are perfectly combined, the shutdown and the vacuum breaking are not needed, the resources are saved, and the production requirement can be met on the basis that the additional cost is not needed; in addition, the low temperature difference impact avoids the loss of the welding structure, the sealing structure and the cooling pipeline of the evaporator, and prolongs the service life of the evaporator.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a side view of the present utility model.
Fig. 4 is a process flow diagram of the present utility model.
Fig. 5 is a schematic diagram of the application of the present utility model.
Wherein:
the device comprises a large evaporator 1, a small evaporator 2, a collecting tank 3, a steam port 3.1, a waste water port 3.2, a water supplementing port 3.3, a sewage draining port 3.4, a clean draining port 3.5, a sight glass window 3.6, a heating coil 3.7, a floating ball liquid level meter 3.8, a temperature transmitter 3.9, an air inlet 4, an air inlet valve 5, an air outlet 6, an air outlet valve 7, a chilled water inlet 8, a chilled water pipeline 9, an ice melting steam pipeline 10, a waste water discharging pipeline 11, a vacuum unit 12, a chilled water tank 13 and a refrigerator 14.
Detailed Description
In order to better understand the technical solution of the present utility model, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present utility model, but are merely examples of embodiments that may be employed by the present utility model. It should be noted that, the description herein of the positional relationship of the components, such as the component a being located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.
Example 1
Referring to fig. 1-5, fig. 1 depicts a schematic diagram of an evaporator set cycling ice-melting system. As shown in the figure, the circulating ice system of the evaporator group of the present utility model comprises two large evaporators 1, two small evaporators 2 and a collecting tank 3, wherein one large evaporator 1 and one small evaporator 2 are composed ofThe first evaporator group, the other big evaporator 1 and the other small evaporator 2 form a second evaporator group, the big evaporators 1 and the small evaporators 2 of the same group are coaxially arranged left and right and are connected with each other, and the big evaporators 1 adopt 80m 2 The specification of the evaporator, the small evaporator 2 adopts 40m 2 A specification evaporator; the first evaporator group and the second evaporator group are arranged above the collecting tank 3 in parallel and are fixed by adopting a bracket.
The upper end of the large evaporator 1 is provided with an air inlet 4, an air inlet valve 5 is arranged at the air inlet 4, the lower end of the large evaporator 1 is provided with a wastewater outlet, the bottom of the large evaporator 1 is provided with a chilled water inlet and outlet 8, and the side surface of the large evaporator 1 is provided with an upper steam inlet and a lower steam inlet; the upper end of the small evaporator 2 is provided with an exhaust port 6, the exhaust port 6 is provided with an exhaust valve 7, the lower end of the small evaporator 2 is provided with a waste water outlet, the bottom is provided with a chilled water inlet and outlet 8, and the side surface is provided with an upper steam inlet and a lower steam inlet.
The left part of the top surface of the collecting tank 3 is provided with two steam ports 3.1 which are respectively connected with steam inlets of a first evaporator group and a second evaporator group through an deicing steam pipeline 10, the right part of the top surface of the collecting tank 3 is provided with two waste water ports 3.2 which are respectively connected with waste water outlets of the first evaporator group and the second evaporator group through a waste water discharge pipeline 11; one side surface of the collecting tank 3 is provided with a water supplementing port 3.3, the other side surface is provided with a sewage draining port 3.4, and the sewage draining port 3.4 is connected with a sewage pool; the bottom surface of the collecting tank 3 is provided with a clean opening 3.5; the front surface of the collecting tank 3 is provided with a transparent sight glass window 3.6 for observing the liquid level in the collecting tank 3, and the top surface of the collecting tank 3 is also provided with a floating ball liquid level meter 3.8; the collecting tank 3 is internally provided with a heating coil 3.7, and the collecting tank 3 is also provided with a temperature transmitter 3.9.
The chilled water inlets and outlets 8 of the large evaporator 1 and the small evaporator 2 are respectively connected with a chilled water tank 13 through a chilled water pipeline 9, and the chilled water tank 13 is connected with a freezer 14.
The exhaust port 6 of the small evaporator 2 is connected with the vacuum unit 12 through a system pipeline, the small evaporator 2 is connected with the large evaporator 1 through a system pipeline, and the small evaporators 2 are connected through a system pipeline.
Working principle:
two groups of evaporators of the evaporator group circulation deicing system, one group is normally produced, and the other group is used for standby, and the two groups are used in a circulation switching manner; when the evaporator is switched, a valve is used for locking, a closed space is formed between the evaporator requiring deicing and the collecting tank, the space is in a vacuum state of several hundred Pa, and water can be boiled and gasified at the temperature of four and fifty ℃ under the vacuum state;
a small amount of water is added into the collecting tank in advance through a water supplementing port;
the forevacuum unit performs a vacuum-pumping process on the system pipeline and each evaporator, and is used for deodorization, purification and the like of food;
chilled water at the temperature of minus 25 ℃ is introduced into each evaporator through a chilled water pipeline, and is used for adsorbing and capturing harmful gases such as water vapor, fatty acid and the like in the process gas;
after the adsorption is full, starting a waste heat deicing system, opening a deicing steam pipeline, introducing a small amount of waste heat steam into the steam pipeline in the collecting tank to heat water, heating a heating coil in the collecting tank, generating a large amount of steam only by heating to 55 ℃, enabling the steam to enter the evaporator through the deicing steam pipeline, melting ice cubes adsorbed on the pipeline of the evaporator system, and simultaneously enabling the evaporator and the collecting tank to keep in a vacuum state under the condensation adsorption effect of the ice cubes, and repeating the cycle until all the ice cubes are melted;
the melted mixture of ice, water and oil enters a collecting tank through a waste water discharge pipeline and is recycled through a sewage outlet;
and (5) after the processes of deicing, purging and the like of the evaporator are finished, entering a standby state.
The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.
Claims (9)
1. An evaporator group circulation deicing system, which is characterized in that: the device comprises two large evaporators (1), two small evaporators (2) and a collecting tank (3), wherein one large evaporator (1) and one small evaporator (2) form a first evaporator group, the other large evaporator (1) and the other small evaporator (2) form a second evaporator group, the large evaporators (1) and the small evaporators (2) in the same group are coaxially arranged left and right and are connected with each other, and the first evaporator group and the second evaporator group are arranged above the collecting tank (3) in parallel and are fixed by adopting a bracket;
the upper end of the large evaporator (1) is provided with an air inlet (4), an air inlet valve (5) is arranged at the air inlet (4), the lower end of the large evaporator (1) is provided with a wastewater outlet, the bottom of the large evaporator (1) is provided with a chilled water inlet and outlet (8), and the side surface of the large evaporator (1) is provided with an upper steam inlet and a lower steam inlet; the upper end of the small evaporator (2) is provided with an exhaust port (6), the exhaust port (6) is provided with an exhaust valve (7), the lower end of the small evaporator (2) is provided with a waste water outlet, the bottom is provided with a chilled water inlet and outlet (8), and the side surface is provided with an upper steam inlet and a lower steam inlet;
the left part of the top surface of the collecting tank (3) is provided with two steam ports (3.1), the two steam ports are respectively connected with steam inlets of a first evaporator group and a second evaporator group through an ice melting steam pipeline (10), the right part of the top surface of the collecting tank (3) is provided with two waste water ports (3.2), and the two waste water ports are respectively connected with waste water outlets of the first evaporator group and the second evaporator group through a waste water discharge pipeline (11); the exhaust port (6) of the small evaporator (2) is connected with the vacuum unit (12) through a system pipeline, the small evaporator (2) is connected with the large evaporator (1) through a system pipeline, and the small evaporators (2) are connected through a system pipeline.
2. An evaporator group cycle ice-making system as set forth in claim 1 wherein: one side surface of the collecting tank (3) is provided with a water supplementing port (3.3).
3. An evaporator group circulation ice-making system according to claim 2, wherein: the other side of the collecting tank (3) is provided with a sewage outlet (3.4), and the sewage outlet (3.4) is connected with a sewage pool.
4. An evaporator group cycle ice-making system as set forth in claim 1 wherein: the bottom surface of the collecting tank (3) is provided with a clean-out opening (3.5).
5. An evaporator group cycle ice-making system as set forth in claim 1 wherein: the front surface of the collecting tank (3) is provided with a transparent sight glass window (3.6).
6. An evaporator group cycle ice-making system as set forth in claim 1 wherein: the top surface of the collecting tank (3) is also provided with a floating ball liquid level meter (3.8).
7. An evaporator group cycle ice-making system as set forth in claim 1 wherein: the collecting tank (3) is also provided with a temperature transmitter (3.9).
8. An evaporator group cycle ice-making system as set forth in claim 1 wherein: the refrigerating water inlet and outlet (8) of the large evaporator (1) and the small evaporator (2) are respectively connected with a refrigerating water tank (13) through a refrigerating water pipeline (9), and the refrigerating water tank (13) is connected with a refrigerator (14).
9. An evaporator group cycle ice-making system as set forth in claim 1 wherein: a heating coil (3.7) is arranged in the collecting tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320566686.5U CN219474058U (en) | 2023-03-22 | 2023-03-22 | Evaporator group circulation deicing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320566686.5U CN219474058U (en) | 2023-03-22 | 2023-03-22 | Evaporator group circulation deicing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474058U true CN219474058U (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320566686.5U Active CN219474058U (en) | 2023-03-22 | 2023-03-22 | Evaporator group circulation deicing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474058U (en) |
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2023
- 2023-03-22 CN CN202320566686.5U patent/CN219474058U/en active Active
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