CN104807248A - Centralized cold/ heat source system for circulating water system of workshop - Google Patents
Centralized cold/ heat source system for circulating water system of workshop Download PDFInfo
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- CN104807248A CN104807248A CN201510143773.XA CN201510143773A CN104807248A CN 104807248 A CN104807248 A CN 104807248A CN 201510143773 A CN201510143773 A CN 201510143773A CN 104807248 A CN104807248 A CN 104807248A
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- water pump
- cooling
- chilled water
- workshop
- chilling unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a centralized cold/ heat source system for a circulating water system of a workshop. The system is characterized by comprising an air conditioner cold source device which is connected with a cooling water loop of a workshop air conditioner system and is used for providing a cold source to the cooling water loop of the workshop air conditioner system, a paint process cold source device which is connected with the cooling water loop of the paint process system and used for providing the cold source to the cooling water loop of the paint process system, a heat source device which is connected with a workshop hot water loop and used for providing a heat source to the workshop hot water loop, and a centralized control center which is respectively connected with the air conditioner cold source device, the paint process cold source device and the heat source device and used for controlling the air conditioner cold source device, the paint process cold source device and the heat source device to work. Compared with the prior art, the system has the advantage that the cold source device and the heat source device are provided, so that the demand of the workshop on the cold source and the heat source can be met.
Description
Technical field
The present invention relates to a kind of changes in temperature technology, especially relate to a kind of centralized cold and heat source system for workshop circulation.
Background technology
At present, in industrial production, especially automobile manufacture industry, often need hot water and cold water in workshop simultaneously, and current industrial production is in the face of this situation needing heat supply and refrigeration simultaneously, heating system is usually adopted to be separated with cold supply system, the mode realized separately.
Such as Chinese patent CN 103528292 A discloses a kind of workshop temperature control cooling system, comprise: control device, condensing unit, water supply installation, circulation line and chilled water unit, chilled water unit, to be connected by circulation line between water supply installation and condensing unit, control device is connected with chilled water unit respectively at condensing unit, water supply installation, and condensing unit inside is provided with temperature sensor.But, this workshop temperature control cooling system only can provide a kind of cold water of temperature, the demand for different temperatures cold water in workshop cannot be met, such as air-conditioning and the hot water required for the painting technology system of workshop need different water temperatures, and they have different chilled(cooling) water return (CWR)s, this workshop temperature control cooling system cannot provide the cold water providing different temperatures for two chilled(cooling) water return (CWR)s.
And for example Chinese patent CN 203334021 U discloses a kind of energy-saving heating system for printworks, comprise: oil supply stove, one or more production equipment and steam generator, oil supply stove, is communicated with production equipment by oil supply pipe, provides the first conduction oil to production equipment; Production equipment, is communicated with steam generator by the first return line, provides the second conduction oil to steam generator; Steam generator, is communicated with oil supply stove by the second return line, provides the 3rd conduction oil to oil supply stove.But this energy-saving heating system cannot realize providing low-temperature receiver.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of centralized cold and heat source system for workshop circulation is provided.
Object of the present invention can be achieved through the following technical solutions:
For a centralized cold and heat source system for workshop circulation, it is characterized in that, comprising:
Refrigeration equipment in air condition, is connected with Workshop air conditioner system chilled(cooling) water return (CWR), for providing low-temperature receiver for Workshop air conditioner system chilled(cooling) water return (CWR);
Painting technology cold source equipment, is connected with the water loop of painting technology system cools, for providing low-temperature receiver for the water loop of painting technology system cools;
Heat resource equipment, is connected with workshop hot water loop, for providing thermal source for workshop hot water loop;
Centralized-control center, is connected with refrigeration equipment in air condition, painting technology cold source equipment and heat resource equipment respectively, for controlling refrigeration equipment in air condition, painting technology cold source equipment and heat resource equipment work.
Described refrigeration equipment in air condition comprises at least one group of the first centrifugal chilling unit group, described first centrifugal chilling unit group comprises the cooling tower, cooling water pump, centrifugal chilling unit and the chilled water pump that connect successively, described chilled water pump is connected with Workshop air conditioner system chilled(cooling) water return (CWR), and described cooling tower, cooling water pump, centrifugal chilling unit are all connected with centralized-control center with chilled water pump;
During described first centrifugal chilling unit group start; cooling water pump, chilled water pump, cooling tower and centrifugal chilling unit are opened successively; during described first centrifugal chilling unit group shutdown; centrifugal chilling unit, cooling tower, chilled water pump and cooling water pump are shut down successively; and after centrifugal chilling unit closedown, chilled water pump at least postpones to close for five minutes.
Described painting technology cold source equipment comprises at least one group of the second centrifugal chilling unit group and at least one group of freezing unit of screw, and described second centrifugal chilling unit group is connected with centralized-control center and the water loop of painting technology system cools respectively with the freezing unit of screw.
Described second centrifugal chilling unit group comprises the cooling tower, cooling water pump, centrifugal chilling unit and the chilled water pump that connect successively, described chilled water pump is connected with the water loop of painting technology system cools, and described cooling tower, cooling water pump, centrifugal chilling unit are all connected with centralized-control center with chilled water pump;
During described second centrifugal chilling unit group start; cooling water pump, chilled water pump, cooling tower and centrifugal chilling unit are opened successively; during described second centrifugal chilling unit group shutdown; centrifugal chilling unit, cooling tower, chilled water pump and cooling water pump are shut down successively; and after centrifugal chilling unit closedown, chilled water pump at least postpones to close for five minutes.
Described painting technology cold source equipment also comprises the first chilled water pump for subsequent use, described first chilled water pump for subsequent use in parallel with the chilled water pump in the second centrifugal chilling unit group, and with the chilled water pump alternate run in the second centrifugal chilling unit group.
The freezing unit of described screw comprises cooling tower, cooling water pump, screw refrigerator and water supply pump, described chilled water pump is connected with the water loop of painting technology system cools, and described cooling tower, cooling water pump, screw refrigerator are all connected with centralized-control center with chilled water pump;
When the freezing unit of described screw is started shooting; cooling water pump, chilled water pump, cooling tower and screw refrigerator are opened successively; when the freezing unit of described screw shuts down; screw refrigerator, cooling tower, chilled water pump and cooling water pump are shut down successively; and after the closedown of screw refrigerator, chilled water pump at least postpones to close for five minutes.
Described painting technology cold source equipment also comprises cooling water pump for subsequent use and the second chilled water pump for subsequent use, described cooling water pump for subsequent use is in parallel with the cooling water pump in the freezing unit of screw, and with the cooling water pump alternate run in the freezing unit of screw, described second chilled water pump for subsequent use is in parallel with the chilled water pump in the freezing unit of screw, and with the chilled water pump alternate run in the freezing unit of screw.
Described centralized cold and heat source system also comprises the motor-driven valve for complementary refrigeration equipment in air condition and painting technology cold source equipment refrigerating capacity, and this motor-driven valve is connected with refrigeration equipment in air condition, painting technology cold source equipment and centralized-control center respectively.
Described heat resource equipment comprises at least one group for providing the heat-exchange unit of hot water for workshop hot water loop, described heat-exchange unit comprises the steam valve group, heat exchanger, the heat-exchanger pump that connect successively, described heat-exchanger pump is connected with workshop hot water loop, described steam valve group comprises two steam valves parallel with one another, and described steam valve, heat exchanger are all connected with centralized-control center with heat-exchanger pump.
Compared with prior art, the present invention has the following advantages:
1) there is cold source equipment and heat resource equipment simultaneously, meet the demand of workshop for low-temperature receiver and thermal source, simultaneously again owing to having refrigeration equipment in air condition and painting technology cold source equipment, the chilled(cooling) water return (CWR) that can be respectively air-conditioning system and painting technology system provides the cooling water of different temperatures.
2) the first centrifugal chilling unit can be lowered the temperature to the cooling water in the chilled(cooling) water return (CWR) of air-conditioning system, and cooling tower then can carry out pre-cooled for the water entering the cooling in centrifugal chilling unit, thus reduces energy consumption.
3) painting technology cold source equipment comprises at least one group of the second centrifugal chilling unit group and at least one group of freezing unit of screw, centrifugal chilling unit group can carry out fast cooling, the freezing unit of screw then has larger volume, therefore, for painting technology system, different operating modes can be adapted to.
4) due to the stability that painting technology system requirements is higher, the first chilled water pump for subsequent use can reduce the load of chilled water pump in the second centrifugal chilling unit group, improves stability.
5) cooling water pump for subsequent use can reduce the load of the cooling water pump in the freezing unit of screw, and the second chilled water pump for subsequent use can reduce the load of the chilled water pump in the freezing unit of screw, improves stability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of refrigeration equipment in air condition;
Fig. 3 is the structural representation of painting technology cold source equipment;
Wherein: 1, refrigeration equipment in air condition, 2, painting technology cold source equipment, 3, heat resource equipment, 4, centralized-control center, 5, Workshop air conditioner system chilled(cooling) water return (CWR), 6, the water loop of painting technology system cools, 7, workshop hot water loop, 8, motor-driven valve, 11, cooling tower, 12, cooling water pump, 13, centrifugal chilling unit, 14, chilled water pump, 23, first chilled water pump for subsequent use, 24, cooling water pump for subsequent use, 25, second chilled water pump for subsequent use, 211, cooling tower, 212, cooling water pump, 213, centrifugal chilling unit, 214, chilled water pump, 221, cooling tower, 222, cooling water pump, 223, screw refrigerator, 224, water supply pump.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
For a centralized cold and heat source system for workshop circulation, as shown in Figure 1, comprising:
Refrigeration equipment in air condition 1, is connected with Workshop air conditioner system chilled(cooling) water return (CWR) 5, for providing low-temperature receiver for Workshop air conditioner system chilled(cooling) water return (CWR) 5;
Painting technology cold source equipment 2, is connected with painting technology system cools water loop 6, for providing low-temperature receiver for painting technology system cools water loop 6;
Heat resource equipment 3, is connected with workshop hot water loop 7, for providing thermal source for workshop hot water loop 7;
Centralized-control center 4, is connected with refrigeration equipment in air condition 1, painting technology cold source equipment 2 and heat resource equipment 3 respectively, works for controlling refrigeration equipment in air condition 1, painting technology cold source equipment 2 and heat resource equipment 3.
As shown in Figure 2, refrigeration equipment in air condition 1 comprises at least one group of the first centrifugal chilling unit group, first centrifugal chilling unit group comprises the cooling tower 11, cooling water pump 12, centrifugal chilling unit 13 and the chilled water pump 14 that connect successively, chilled water pump 14 is connected with Workshop air conditioner system chilled(cooling) water return (CWR) 5, and cooling tower 11, cooling water pump 12, centrifugal chilling unit 13 are all connected with centralized-control center 4 with chilled water pump 14;
During the first centrifugal chilling unit group start, cooling water pump 12, chilled water pump 14, cooling tower 11 and centrifugal chilling unit 13 are opened successively, during the first centrifugal chilling unit group shutdown, centrifugal chilling unit 13, cooling tower 11, chilled water pump 14 and cooling water pump 12 are shut down successively, and after centrifugal chilling unit 13 closedown, chilled water pump 14 at least postpones to close for five minutes, chilled water pump 14 postpones closedown in five minutes can after centrifugal chilling unit 13 be closed, still water conservancy diversion is carried out to the water of lower temperature in refrigeration equipment in air condition 1, and then avoid water at low temperature to be stranded in damage centrifugal chilling unit 13 in centrifugal chilling unit 13, and then the service life of centrifugal chilling unit 13 can be extended.
In the present embodiment, cooling water pump 12 and chilled water pump 14 all adopt variable frequency pump, be provided with the first temperature sensor in Workshop air conditioner system chilled(cooling) water return (CWR) 5, the running frequency of the data change oneself that cooling water pump 12 and chilled water pump 14 gather according to the first temperature sensor is to control the water temperature in Workshop air conditioner system chilled(cooling) water return (CWR) 5.
As shown in Figure 3, painting technology cold source equipment 2 comprises at least one group of the second centrifugal chilling unit group and at least one group of freezing unit of screw, and the second centrifugal chilling unit group is connected with centralized-control center 4 and painting technology system cools water loop 6 respectively with the freezing unit of screw.
Second centrifugal chilling unit group comprises the cooling tower 211, cooling water pump 212, centrifugal chilling unit 213 and the chilled water pump 214 that connect successively, chilled water pump 214 is connected with painting technology system cools water loop 6, and cooling tower 211, cooling water pump 212, centrifugal chilling unit 213 are all connected with centralized-control center 4 with chilled water pump 214;
During the second centrifugal chilling unit group start; cooling water pump 212, chilled water pump 214, cooling tower 211 and centrifugal chilling unit 213 are opened successively; during the second centrifugal chilling unit group shutdown; centrifugal chilling unit 213, cooling tower 211, chilled water pump 214 and cooling water pump 212 are shut down successively; and after centrifugal chilling unit 213 closedown, chilled water pump 214 at least postpones to close for five minutes.
In the present embodiment, cooling water pump 212 and chilled water pump 214 are variable frequency pump, the second temperature sensor is provided with in painting technology system cools water loop 6, cooling water pump 212 and chilled water pump 214 change the running frequency of oneself, to control the water temperature in painting technology system cools water loop 6 according to the data that the second temperature sensor gathers.
Painting technology cold source equipment 2 also comprises the first chilled water pump 23 for subsequent use, first chilled water pump 23 for subsequent use in parallel with the chilled water pump 214 in the second centrifugal chilling unit group, and with chilled water pump 214 alternate run in the second centrifugal chilling unit group, chilled water pump 23 thinks variable frequency pump, according to the running frequency of the data change oneself that the second temperature sensor gathers, to control the water temperature in painting technology system cools water loop 6.
The freezing unit of screw comprises cooling tower 221, cooling water pump 222, screw refrigerator 223 and water supply pump 224, chilled water pump 224 is connected with painting technology system cools water loop 6, and cooling tower 221, cooling water pump 222, screw refrigerator 223 are all connected with centralized-control center 4 with chilled water pump 224;
When the freezing unit of screw is started shooting; cooling water pump 222, chilled water pump 224, cooling tower 221 and screw refrigerator 223 are opened successively; when the freezing unit of screw shuts down; screw refrigerator 223, cooling tower 221, chilled water pump 224 and cooling water pump 222 are shut down successively; and after the closedown of screw refrigerator, chilled water pump 224 at least postpones to close for five minutes.
Painting technology cold source equipment 2 also comprises cooling water pump 24 for subsequent use and the second chilled water pump 25 for subsequent use, cooling water pump 24 for subsequent use is in parallel with the cooling water pump 222 in the freezing unit of screw, and with cooling water pump 222 alternate run in the freezing unit of screw, second chilled water pump 25 for subsequent use is in parallel with the chilled water pump 224 in the freezing unit of screw, and with chilled water pump 224 alternate run in the freezing unit of screw.
Centralized cold and heat source system also comprises the motor-driven valve 8 for complementary refrigeration equipment in air condition 1 and painting technology cold source equipment 2 refrigerating capacity, and this motor-driven valve 8 is connected with refrigeration equipment in air condition 1, painting technology cold source equipment 2 and centralized-control center 4 respectively.Motor-driven valve 8 achieves the mutual equilibrium of refrigerating capacity between refrigeration equipment in air condition 1 and painting technology cold source equipment 2, when the weather of too high temperature in summer, when refrigeration equipment in air condition 1 refrigerating capacity is not enough, refrigerating capacity in painting technology cold source equipment 2 can be supplemented in Workshop air conditioner system chilled(cooling) water return (CWR) 5, vice versa.
Heat resource equipment 3 comprises at least one group for providing the heat-exchange unit of hot water for workshop hot water loop 7, heat-exchange unit comprises the steam valve group, heat exchanger, the heat-exchanger pump that connect successively, heat-exchanger pump is connected with workshop hot water loop 7, steam valve group comprises two steam valves parallel with one another, and steam valve, heat exchanger and heat-exchanger pump are all connected with centralized-control center 4.
Different heat-exchange unit can independent Offered target temperature, thus can provide the hot water of different temperatures for each sub-loop in workshop hot water loop 7.
Claims (9)
1., for a centralized cold and heat source system for workshop circulation, it is characterized in that, comprising:
Refrigeration equipment in air condition, is connected with Workshop air conditioner system chilled(cooling) water return (CWR), for providing low-temperature receiver for Workshop air conditioner system chilled(cooling) water return (CWR);
Painting technology cold source equipment, is connected with the water loop of painting technology system cools, for providing low-temperature receiver for the water loop of painting technology system cools;
Heat resource equipment, is connected with workshop hot water loop, for providing thermal source for workshop hot water loop;
Centralized-control center, is connected with refrigeration equipment in air condition, painting technology cold source equipment and heat resource equipment respectively, for controlling refrigeration equipment in air condition, painting technology cold source equipment and heat resource equipment work.
2. a kind of centralized cold and heat source system for workshop circulation according to claim 1, it is characterized in that, described refrigeration equipment in air condition comprises at least one group of the first centrifugal chilling unit group, described first centrifugal chilling unit group comprises the cooling tower, cooling water pump, centrifugal chilling unit and the chilled water pump that connect successively, described chilled water pump is connected with Workshop air conditioner system chilled(cooling) water return (CWR), and described cooling tower, cooling water pump, centrifugal chilling unit are all connected with centralized-control center with chilled water pump;
During described first centrifugal chilling unit group start; cooling water pump, chilled water pump, cooling tower and centrifugal chilling unit are opened successively; during described first centrifugal chilling unit group shutdown; centrifugal chilling unit, cooling tower, chilled water pump and cooling water pump are shut down successively; and after centrifugal chilling unit closedown, chilled water pump at least postpones to close for five minutes.
3. a kind of centralized cold and heat source system for workshop circulation according to claim 1, it is characterized in that, described painting technology cold source equipment comprises at least one group of the second centrifugal chilling unit group and at least one group of freezing unit of screw, and described second centrifugal chilling unit group is connected with centralized-control center and the water loop of painting technology system cools respectively with the freezing unit of screw.
4. a kind of centralized cold and heat source system for workshop circulation according to claim 3, it is characterized in that, described second centrifugal chilling unit group comprises the cooling tower, cooling water pump, centrifugal chilling unit and the chilled water pump that connect successively, described chilled water pump is connected with the water loop of painting technology system cools, and described cooling tower, cooling water pump, centrifugal chilling unit are all connected with centralized-control center with chilled water pump;
During described second centrifugal chilling unit group start; cooling water pump, chilled water pump, cooling tower and centrifugal chilling unit are opened successively; during described second centrifugal chilling unit group shutdown; centrifugal chilling unit, cooling tower, chilled water pump and cooling water pump are shut down successively; and after centrifugal chilling unit closedown, chilled water pump at least postpones to close for five minutes.
5. a kind of centralized cold and heat source system for workshop circulation according to claim 4, it is characterized in that, described painting technology cold source equipment also comprises the first chilled water pump for subsequent use, described first chilled water pump for subsequent use in parallel with the chilled water pump in the second centrifugal chilling unit group, and with the chilled water pump alternate run in the second centrifugal chilling unit group.
6. a kind of centralized cold and heat source system for workshop circulation according to claim 3, it is characterized in that, the freezing unit of described screw comprises cooling tower, cooling water pump, screw refrigerator and water supply pump, described chilled water pump is connected with the water loop of painting technology system cools, and described cooling tower, cooling water pump, screw refrigerator are all connected with centralized-control center with chilled water pump;
When the freezing unit of described screw is started shooting; cooling water pump, chilled water pump, cooling tower and screw refrigerator are opened successively; when the freezing unit of described screw shuts down; screw refrigerator, cooling tower, chilled water pump and cooling water pump are shut down successively; and after the closedown of screw refrigerator, chilled water pump at least postpones to close for five minutes.
7. a kind of centralized cold and heat source system for workshop circulation according to claim 6, it is characterized in that, described painting technology cold source equipment also comprises cooling water pump for subsequent use and the second chilled water pump for subsequent use, described cooling water pump for subsequent use is in parallel with the cooling water pump in the freezing unit of screw, and with the cooling water pump alternate run in the freezing unit of screw, described second chilled water pump for subsequent use is in parallel with the chilled water pump in the freezing unit of screw, and with the chilled water pump alternate run in the freezing unit of screw.
8. a kind of centralized cold and heat source system for workshop circulation according to claim 1, it is characterized in that, described centralized cold and heat source system also comprises the motor-driven valve for complementary refrigeration equipment in air condition and painting technology cold source equipment refrigerating capacity, and this motor-driven valve is connected with refrigeration equipment in air condition, painting technology cold source equipment and centralized-control center respectively.
9. a kind of centralized cold and heat source system for workshop circulation according to claim 1, it is characterized in that, described heat resource equipment comprises at least one group for providing the heat-exchange unit of hot water for workshop hot water loop, described heat-exchange unit comprises the steam valve group, heat exchanger, the heat-exchanger pump that connect successively, described heat-exchanger pump is connected with workshop hot water loop, described steam valve group comprises two steam valves parallel with one another, and described steam valve, heat exchanger are all connected with centralized-control center with heat-exchanger pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510143773.XA CN104807248B (en) | 2015-03-30 | 2015-03-30 | A kind of centralized cold and heat source system for workshop circulation |
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| CN201510143773.XA CN104807248B (en) | 2015-03-30 | 2015-03-30 | A kind of centralized cold and heat source system for workshop circulation |
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| CN104807248B CN104807248B (en) | 2017-03-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106766298A (en) * | 2016-12-29 | 2017-05-31 | 宁波杭州湾新区祥源动力供应有限公司 | One kind life air-conditioning system and the system combined cooling device of industrial air conditioning |
| CN111425994A (en) * | 2020-04-09 | 2020-07-17 | 王涛 | Management and control system for optimizing energy consumption of central air conditioner |
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| CN111425994A (en) * | 2020-04-09 | 2020-07-17 | 王涛 | Management and control system for optimizing energy consumption of central air conditioner |
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| Publication number | Publication date |
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| CN104807248B (en) | 2017-03-15 |
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