CN218565881U - Energy-saving refrigerating system for cigarette equipment - Google Patents
Energy-saving refrigerating system for cigarette equipment Download PDFInfo
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- CN218565881U CN218565881U CN202222824633.7U CN202222824633U CN218565881U CN 218565881 U CN218565881 U CN 218565881U CN 202222824633 U CN202222824633 U CN 202222824633U CN 218565881 U CN218565881 U CN 218565881U
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Abstract
The utility model relates to an energy-saving refrigerating system for cigarette equipment belongs to cigarette equipment refrigerating plant technical field. The water outlet of the freezing water pump is connected with a water inlet pipe of the electric refrigerating unit, a water outlet pipe of the electric refrigerating unit is communicated with a water inlet of the cooling tower group, the water inlet pipe and the water outlet pipe of the electric refrigerating unit are communicated through a connecting pipeline, a water outlet of the cooling tower group is respectively communicated with the cooling water pump and the water distribution cylinder through pipelines, a water outlet of the cooling water pump is connected with the electric refrigerating unit through a backflow pipeline, the electric refrigerating unit is communicated with the water distribution cylinder through a flow distribution pipeline, a water outlet of the water distribution cylinder is communicated with the water collection cylinder, and a water outlet of the water collection cylinder is communicated with a water inlet of the freezing water pump. The utility model provides high heat exchange efficiency has reduced the energy consumption, has improved the load capacity of refrigerating system when winter.
Description
Technical Field
The utility model belongs to the technical field of cigarette equipment refrigerating plant, specific theory relates to an energy-saving refrigerating system is used to cigarette equipment.
Background
The external environment temperature of the place where the cigarette factory is located is between 0 ℃ and 15 ℃ in winter, and the indoor temperature of the wrapping workshop is higher than 26 ℃ required by the process due to more heat radiation equipment if no cooling measures are taken, so that the wrapping workshop also has the requirement of cooling even in winter.
The rated power 287kw of the electric refrigerator, when the electric refrigerator is supplied with cold water separately in a wrapping workshop, the refrigeration efficiency is 30% -40%, the power is varied from 200kw to 250kw, and the power consumption is about 10 ten thousand degrees per month, so that when the refrigeration load is low in winter, the operation of the electric refrigerator to supply chilled water is a very cost-effective equipment operation mode in terms of economic operation cost. In order to solve the problem of operating the refrigerator in winter originally, the refrigerator is replaced by a plate heat exchanger to operate, the plate heat exchanger and the refrigerator are installed in parallel, and chilled water entering the refrigerator enters the plate heat exchanger as well as a cooling water pipe.
The outdoor temperature is between 0 and 15 ℃ in winter, when the refrigeration load is small, the plate heat exchanger is used as a refrigeration auxiliary machine, the PLC outputs a program to control all electric valves arranged on a chilled water inlet and outlet pipeline and a cooling water inlet and outlet pipeline of the plate heat exchanger to be opened, all the electric valves arranged on the chilled water inlet and outlet pipeline and the cooling water inlet and outlet pipeline of the electric refrigerator are closed, after the electric valves are opened, chilled water entering the plate heat exchanger and cooling water generate heat energy exchange, the heat energy of the chilled water is taken away by the cooling water, the cooling water enters the cooling tower, the cooling water is cooled by a cooling tower fan, the heat energy of the cooling water is dissipated into air, the cooled cooling water enters the plate heat exchanger again to generate heat exchange with the chilled water again, the circulating heat exchange of the cooling water and the chilled water in the plate heat exchanger repeatedly achieves the purpose of reducing the chilled water temperature, in order to control the outlet water temperature of the chilled water, the number of the cooling fans of the cooling tower is controlled by programming of the PLC, if a temperature sensor at the chilled water outlet position is close to the set temperature, the current operating number of the fans of the cooling tower is maintained, the detected, the operating number of the fans is greater than the set number, the operating number of the operating temperature of the cooling tower is increased, and the operating number of the cooling tower is reduced, and the cooling tower is less than the set number of the operating temperature of the cooling tower.
There are certain problems in use: the plate heat exchanger needs to be maintained regularly, so that the maintenance cost is increased; after long-term use, the heat exchange efficiency of the plate heat exchanger is reduced; the heat exchange load of the plate heat exchanger is limited by the heat exchange area, when the heat exchange load is increased, the heat exchange capacity of the plate heat exchanger is insufficient, and only the refrigerating machine can be started to prepare chilled water.
Therefore, there is a need to provide an energy-saving refrigeration system for cigarette equipment, which can improve the heat exchange efficiency, reduce the energy consumption and improve the load capacity of the refrigeration system in winter.
SUMMERY OF THE UTILITY MODEL
In order to overcome the refrigerating system maintenance cost height that exists in the background art now uses, heat exchange efficiency is low, the not enough problem of heat transfer capacity, the utility model provides an energy-saving refrigerating system for cigarette equipment has improved heat exchange efficiency, has reduced the energy consumption, has improved refrigerating system load capacity when winter.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides an energy-saving refrigerating system for cigarette equipment, intake electric butterfly valve I7, refrigerator refrigerated water intake electric butterfly valve II 8, cooling tower electric butterfly valve I9, cooling tower electric butterfly valve II 10, cooling tower electric butterfly valve III 11, cooling tower electric butterfly valve IV 12 including frozen water pump 1, jar 2 that catchments, electric refrigerating unit 3, cooling tower group 4, divide jar 5, cooling water pump 6, refrigerator refrigerated water.
The water outlet of the freezing water pump 1 is connected with the water inlet pipe of the electric refrigerating unit 3, the water outlet pipe of the electric refrigerating unit 3 is communicated with the water inlet of the cooling tower group 4, the water inlet pipe and the water outlet pipe of the electric refrigerating unit 3 are communicated through a connecting pipeline 13, the water outlet of the cooling tower group 4 is respectively communicated with the cooling water pump 6 and the water distribution cylinder 5 through pipelines, the water outlet of the cooling water pump 6 is connected with the electric refrigerating unit 3 through a return pipeline, the electric refrigerating unit 3 is communicated with the water distribution cylinder 5 through a flow distribution pipeline, the water outlet of the water distribution cylinder 5 is communicated with the water collection cylinder 2, and the water outlet of the water collection cylinder 2 is communicated with the water inlet of the freezing water pump 1.
The inlet tube of electric refrigerator group 3 on install refrigerator refrigerated water electric butterfly valve I7 of intaking, the last refrigerator refrigerated water of installing of backflow pipeline intakes electric butterfly valve II 8, install cooling tower electric butterfly valve I9 on the pipeline of the water inlet department of cooling tower group 4, install cooling tower electric butterfly valve II 10 on the connecting tube 13, install cooling tower electric butterfly valve III 11 on the pipeline between cooling tower group 4 and the cooling water pump 6, install cooling tower electric butterfly valve IV 12 on the pipeline between cooling tower group 4 and the freezing water pump 1, on the inlet tube of electric refrigerator group 3, on the outlet pipe of electric refrigerator group 3, on the reposition of redundant personnel pipeline, on the backflow pipeline, all install control flap on the pipeline between reposition of redundant personnel jar 5 and the catchment jar 2.
Preferably, the cooling tower electric butterfly valve IV 12 is arranged on a pipeline between the cooling tower group 4 and the water distribution cylinder 5.
Preferably, the electric refrigerating unit 3 comprises three electric refrigerators, the cooling tower group 4 comprises four cooling towers, and the electric refrigerators are connected with the cooling towers in a centralized control mode.
Preferably, the water inlet pipes of the three electric refrigerators are provided with refrigerator chilled water inlet electric butterfly valves I7 and control valves, the return pipelines are provided with refrigerator chilled water inlet electric butterfly valves II 8 and control valves, the diversion pipelines and the water outlet pipes are provided with control valves, and the pipelines at the water inlet of the four cooling towers are provided with cooling tower electric butterfly valves I9.
The utility model has the advantages that:
1. the utility model cancels the link of heat exchange of the plate heat exchanger when the refrigerating system prepares the chilled water in winter, and improves the heat exchange efficiency;
2. the original system prepares chilled water in winter, a cooling water pump needs to be started, and the existing system only needs to start the cooling water pump, so that the aims of energy conservation and emission reduction are fulfilled;
3. when the chilled water is prepared in winter, the heat exchange area of the system is increased, a plurality of cooling towers can be put into operation according to the load condition, the load capacity of the refrigeration system in winter is improved, the chilled water prepared by the system is prepared by switching the preparation of the electric refrigerator to the preparation of the cooling towers, the comprehensive utilization of environmental air resources is realized, and the purposes of energy conservation and emission reduction are achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a in fig. 1.
In the figure, 1-a frozen water pump, 2-a water collecting cylinder, 3-an electric refrigerating unit, 4-a cooling tower group, 5-a water dividing cylinder, 6-a cooling water pump, 7-a refrigerator frozen water inlet electric butterfly valve I, 8-a refrigerator frozen water inlet electric butterfly valve II, 9-a cooling tower electric butterfly valve I, 10-a cooling tower electric butterfly valve II, 11-a cooling tower electric butterfly valve III, 12-a cooling tower electric butterfly valve IV and 13-are connected with pipelines.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-2, the energy-saving refrigeration system for the cigarette equipment comprises a chilled water pump 1, a water collecting cylinder 2, an electric refrigerating unit 3, a cooling tower group 4, a water distributing cylinder 5, a cooling water pump 6, a refrigerator chilled water inlet electric butterfly valve I7, a refrigerator chilled water inlet electric butterfly valve II 8, a cooling tower electric butterfly valve I9, a cooling tower electric butterfly valve II 10, a cooling tower electric butterfly valve III 11 and a cooling tower electric butterfly valve IV 12.
The delivery port of frozen water pump 1 connect the inlet tube of electric refrigerator group 3, install refrigerator refrigerated water on the inlet tube of electric refrigerator group 3 and intake electric butterfly valve I7, the outlet pipe intercommunication cooling tower of electric refrigerator group 3 organizes 4 water inlets, install cooling tower electric butterfly valve I9 on the pipeline of the water inlet department of cooling tower group 4, the inlet tube and the outlet pipe of electric refrigerator group 3 pass through connecting tube 13 intercommunication, make cooling tower group 4 become closed cooling tower group from the open cooling tower group before, install cooling tower electric butterfly valve II 10 on the connecting tube 13, use cooling tower electric butterfly valve II 10 to cut off.
The delivery port of cooling tower group 4 respectively through pipeline intercommunication cooling water pump 6 and divide water jar 5, install cooling tower electric butterfly valve III 11 on the pipeline between cooling tower group 4 and the cooling water pump 6, install cooling tower electric butterfly valve IV 12 on the pipeline between cooling tower group 4 and the branch water jar 5, compare with original system, install the pipeline between cooling tower group 4 and the branch water jar 5 additional and carry out the reposition of redundant personnel processing, cooling water pump 6 delivery port passes through the backflow pipeline and connects the electric refrigerating unit 3, install refrigerator refrigerated water inlet electric butterfly valve II 8 on the backflow pipeline, electric refrigerating unit 3 passes through reposition of redundant personnel pipeline and connects branch water jar 5, the delivery port intercommunication collection jar 2 of branch water jar 5, 2 delivery ports of collection jar communicate 1 water inlet of refrigerated water pump, divide water jar 5 can provide the workshop water, the workshop that workshop air conditioner produced returns return water collection jar 2 and carries out reuse.
The inlet tube of the electric refrigerating unit 3, the outlet tube of the electric refrigerating unit 3, the shunt pipeline, the return pipeline, the water diversion cylinder 5 and the water collection cylinder 2 are all provided with control valves, so that the flow speed and the flow direction of cooling water can be controlled conveniently.
The electric refrigerating unit 3 comprises three electric refrigerating machines, the cooling tower group 4 comprises four cooling towers, the electric refrigerating machines and the cooling towers are connected in a centralized control mode, namely, a multi-machine multi-tower connection mode is adopted, so that the cooling water temperature can be conveniently controlled and adjusted according to the load condition of a refrigerating system, if the cooling water temperature is higher than a set temperature, one cooling tower is automatically started, the cooling water temperature is lower than the set temperature, and the running number of the cooling towers is reduced.
The inlet tube of three electric refrigerator on all install refrigerator refrigerated water and intake electric butterfly valve I7 and control flap, all install refrigerator refrigerated water on the backflow pipeline and intake electric butterfly valve II 8 and control flap, all install control flap on the reposition of redundant personnel pipeline and on the outlet pipe, all install cooling tower electric butterfly valve I9 on the pipeline of the water inlet department of four cooling towers.
The utility model discloses a working process:
summer cooling process flow: the cooling tower electric butterfly valve IV 12 and the cooling tower electric butterfly valve II 10 are closed, the refrigerating machine chilled water inlet electric butterfly valve I7, the refrigerating machine chilled water inlet electric butterfly valve II 8 and the cooling tower electric butterfly valve III 11 are opened, the chilled water pump 1 and the cooling water pump 6 are opened, the electric refrigerating unit 3 is opened after the chilled water and the cooling water run stably, the water outlet temperature of the chilled water is set on the electric refrigerating unit 3, the range set by the general chilled water is 7-12 ℃, and at the moment, the refrigerating system is supplied with the chilled water by the refrigerating machine.
The cold supply process flow in winter and transition season: IV 12 and II 10 of cooling tower electric butterfly valve open of cooling tower electric butterfly valve, the refrigerator refrigerated water electric butterfly valve I7 of intaking, the refrigerator refrigerated water electric butterfly valve II 8 of intaking, cooling tower electric butterfly valve III 11 is closed, open chilled water pump 1, refrigerating system refrigerated water gets into cooling tower group 4 and external cold air through II 10 of cooling tower electric butterfly valve and I9 of cooling tower electric butterfly valve under the drive of chilled water pump 1 and carries out the heat transfer, the heat of refrigerated water gives off in the air, the refrigerated water after the heat transfer flows into refrigerated water jar 5 through IV 12 of cooling tower electric butterfly valve, distribute each user point by dividing jar 5. In order to maintain the temperature of the chilled water supplied by the cooling tower in a certain period, the temperature of the chilled water is detected by a temperature sensor arranged on a water outlet pipe of the cooling tower and is transmitted to a PLC (programmable logic controller), and the PLC controls the number of groups of the cooling tower which is put into operation.
Finally, the above preferred embodiments are only intended to illustrate the technical solution of the present invention and not to limit it, and although the present invention has been described in detail by the above preferred embodiments, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the present invention as defined by the appended claims.
Claims (4)
1. The utility model provides an energy-saving refrigerating system for cigarette equipment which characterized in that: the energy-saving refrigeration system for the cigarette equipment comprises a freezing water pump (1), a water collecting cylinder (2), an electric refrigeration unit (3), a cooling tower group (4), a water distributing cylinder (5), a cooling water pump (6), a refrigerating machine freezing water inlet electric butterfly valve I (7), a refrigerating machine freezing water inlet electric butterfly valve II (8), a cooling tower electric butterfly valve I (9), a cooling tower electric butterfly valve II (10), a cooling tower electric butterfly valve III (11) and a cooling tower electric butterfly valve IV (12);
the water outlet of the freezing water pump (1) is connected with a water inlet pipe of the electric refrigerating unit (3), a water outlet pipe of the electric refrigerating unit (3) is communicated with a water inlet of the cooling tower group (4), the water inlet pipe and the water outlet pipe of the electric refrigerating unit (3) are communicated through a connecting pipeline (13), the water outlet of the cooling tower group (4) is respectively communicated with the cooling water pump (6) and the water distribution cylinder (5) through pipelines, the water outlet of the cooling water pump (6) is connected with the electric refrigerating unit (3) through a return pipeline, the electric refrigerating unit (3) is communicated with the water distribution cylinder (5) through a flow distribution pipeline, the water outlet of the water distribution cylinder (5) is communicated with the water collection cylinder (2), and the water outlet of the water collection cylinder (2) is communicated with the water inlet of the freezing water pump (1);
the inlet tube of electric refrigeration unit (3) on install refrigerator refrigerated water electric butterfly valve I (7) of intaking, the last refrigerator refrigerated water of installing of backflow pipeline intakes electric butterfly valve II (8), install cooling tower electric butterfly valve I (9) on the pipeline of the water inlet department of cooling tower group (4), install cooling tower electric butterfly valve II (10) on connecting tube (13), install cooling tower electric butterfly valve III (11) on the pipeline between cooling tower group (4) and cooling water pump (6), install cooling tower electric butterfly valve IV (12) on the pipeline between cooling tower group (4) and cooling water pump (1), on the inlet tube of electric refrigeration unit (3), on the outlet pipe of electric refrigeration unit (3), on the reposition of redundant personnel pipeline, on the backflow pipeline, all install control flap on the pipeline between reposition of redundant personnel jar (5) and the water catch bowl (2).
2. The energy-saving refrigeration system for cigarette equipment according to claim 1, characterized in that: and the electric butterfly valve IV (12) of the cooling tower is arranged on a pipeline between the cooling tower group (4) and the water distribution cylinder (5).
3. The energy-saving refrigeration system for the cigarette making equipment according to claim 1 or 2, characterized in that: the electric refrigerating unit (3) comprises three electric refrigerating machines, the cooling tower group (4) comprises four cooling towers, and the electric refrigerating machines are connected with the cooling towers in a centralized control mode.
4. The energy-saving refrigeration system for cigarette making equipment according to claim 3, characterized in that: the inlet tube of three electric refrigerator on all install refrigerator refrigerated water electric butterfly valve I (7) and control flap of intaking, all install refrigerator refrigerated water electric butterfly valve II (8) and control flap of intaking on the backflow pipeline, all install control flap on the shunt canals and on the outlet pipe, all install cooling tower electric butterfly valve I (9) on the pipeline of the water inlet department of four cooling towers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222824633.7U CN218565881U (en) | 2022-10-26 | 2022-10-26 | Energy-saving refrigerating system for cigarette equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222824633.7U CN218565881U (en) | 2022-10-26 | 2022-10-26 | Energy-saving refrigerating system for cigarette equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218565881U true CN218565881U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222824633.7U Active CN218565881U (en) | 2022-10-26 | 2022-10-26 | Energy-saving refrigerating system for cigarette equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218565881U (en) |
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2022
- 2022-10-26 CN CN202222824633.7U patent/CN218565881U/en active Active
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