CN212778021U - Combined production device of hot water type lithium bromide absorption refrigerating unit - Google Patents
Combined production device of hot water type lithium bromide absorption refrigerating unit Download PDFInfo
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- CN212778021U CN212778021U CN202021462101.8U CN202021462101U CN212778021U CN 212778021 U CN212778021 U CN 212778021U CN 202021462101 U CN202021462101 U CN 202021462101U CN 212778021 U CN212778021 U CN 212778021U
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- water
- lithium bromide
- type lithium
- bromide absorption
- hot water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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- Sorption Type Refrigeration Machines (AREA)
Abstract
When a urea system is stopped, soft water in a circulating water tank is conveyed to a water pump through a liquid outlet pipe, the water pump pumps the pure water into a steam-water mixer, steam is conveyed into the steam-water mixer through a steam inlet pipe to heat the pure water to 130-140 ℃, and then the pure water is conveyed to the hot water type lithium bromide absorption refrigerating machine through a water outlet pipe to supply heat, so that cooling water is continuously produced, and the cooled pure water flows back to the circulating water tank through the soft water pipe. The utilization rate of the hot water type lithium bromide absorption refrigerator is ensured by the matching of two pipelines. The cold water produced by the hot water type lithium bromide absorption refrigerator is used as a cooling medium for cooling equipment in other working sections, and the cold water produced by the hot water type lithium bromide absorption refrigerator has lower temperature than common circulating water, so that the effects of increasing yield and reducing consumption are good. The combined device fully recycles hot water produced by the system and excess steam of the boiler on the premise of ensuring safety, and saves energy consumption.
Description
Technical Field
The utility model relates to a urea used heat and steam waste heat recovery utilize technical field, concretely relates to hot water type lithium bromide absorption refrigeration unit's joint production device.
Background
In the prior CO2 stripping method urea process, the temperature of the temperature-regulated water outlet of a high-pressure scrubber is 130-140 ℃, the temperature is cooled to 120-130 ℃ by a circulating water cooler of the high-pressure scrubber, and the cooled water is sent to the high-pressure scrubber by a circulating water pump of the high-pressure scrubber for recycling. In the process, in order to cool the temperature-adjusting water, the circulating water cooler of the high-pressure washer needs to consume a large amount of low-temperature circulating water, so that the aims of energy conservation and consumption reduction cannot be fulfilled.
On the other hand, in the combined production process of synthetic ammonia-urea, a large amount of cold water is consumed for purification of gas, compression of gas, cooling of sections of ammonia synthesis and the like in the production process of synthetic ammonia. In order to realize the recycling of the heat of the urea temperature-adjusting water, a hot water type lithium bromide absorption refrigeration unit can be installed, the temperature-adjusting water with the temperature of 130-140 ℃ is used as a heat source of the hot water type lithium bromide absorption refrigeration unit, and the prepared low-temperature cold water is used as a cooling medium for cooling each section.
However, if the urea workshop section is stopped due to abnormal conditions and the synthetic ammonia workshop section is normally used, the hot water type lithium bromide absorption refrigerating unit can not be used due to no heat source, so that the equipment is idle and wasted.
Disclosure of Invention
The utility model discloses an overcome the not enough of above technique, provide one kind and realized hot water and steam and be applied to hot water type lithium bromide absorption refrigeration unit's joint production device simultaneously.
The utility model overcomes the technical scheme that its technical problem adopted is:
a joint production apparatus of a hot water type lithium bromide absorption refrigerator unit, comprising:
the inlet end of the hot water type lithium bromide absorption refrigerator is respectively connected with the outlet end of the high-pressure washer through a temperature-regulating water outlet pipe and is connected with the outlet end of the steam-water mixer through a water outlet pipe, the outlet end of the hot water type lithium bromide absorption refrigerator is respectively connected with the inlet end of the high-pressure washer through a temperature-regulating water return pipe and is connected with the upper end of the circulating water tank through a soft water pipe, the cold water outlet end of the hot water type lithium bromide absorption refrigerator is connected with a cooling water outlet;
and the inlet end of the steam-water mixer is connected to the outlet end of the water pump through a water inlet pipe, the inlet end of the water pump is connected to the lower end of the circulating water tank through a liquid outlet pipe, and the air inlet end of the water pump is connected to a steam pipeline through a steam inlet pipe.
In order to obtain the pressure value of the soft water entering the steam-water mixer, a pressure gauge is arranged on the water inlet pipe.
In order to obtain the liquid level in the circulating water tank, a liquid level meter is arranged in the circulating water tank.
In order to facilitate the air in the circulating water tank to be discharged, the circulating water tank also comprises an emptying pipe arranged above the circulating water tank.
In order to prevent the liquid level in the circulating water tank from being too high, the circulating water tank further comprises a soft water conveying pipe connected to the outlet end of the water pump, and a valve is arranged on the soft water conveying pipe.
The utility model has the advantages that: when the urea system is stopped, soft water in the circulating water tank is conveyed to the water pump through the liquid outlet pipe, the water pump pumps pure water into the steam-water mixer, steam is conveyed into the steam-water mixer through the steam inlet pipe to heat the pure water to 130-140 ℃, and then the steam is conveyed to the hot water type lithium bromide absorption refrigerator through the water outlet pipe to supply heat, so that cooling water is continuously produced, and the cooled pure water flows back into the circulating water tank through the soft water pipe. The utilization rate of the hot water type lithium bromide absorption refrigerator is ensured by the matching of two pipelines. The cold water produced by the hot water type lithium bromide absorption refrigerator is used as a cooling medium for cooling equipment in other working sections, and the cold water produced by the hot water type lithium bromide absorption refrigerator has lower temperature than common circulating water, so that the effects of increasing yield and reducing consumption are good. The combined device fully recycles hot water generated by the system and excess steam of the boiler on the premise of ensuring safety, saves energy consumption, and simultaneously, the prepared cold water is supplied to each cooling device, thereby playing the roles of increasing yield and reducing consumption and having good popularization and application values.
Drawings
FIG. 1 is a schematic structural view of a combined production apparatus of the present invention;
in the figure, 1, a high-pressure washer 2, a temperature-adjusting water outlet pipe 3, a hot water type lithium bromide absorption refrigerator 4, a temperature-adjusting water return pipe 5, a cooling water outlet pipe 6, a cooling water return pipe 7, a soft water pipe 8, a circulating water tank 9, a liquid level meter 10, a vent pipe 11, a liquid outlet pipe 12, a water pump 13, a pressure gauge 14, a water inlet pipe 15, a steam-water mixer 16, a water outlet pipe 17, a steam inlet pipe 18, a soft water delivery pipe 19 and a valve.
Detailed Description
The present invention will be further explained with reference to fig. 1.
A joint production apparatus of a hot water type lithium bromide absorption refrigerator unit, comprising: the inlet end of the hot water type lithium bromide absorption refrigerator 3 is respectively connected with the outlet end of the high-pressure washer 1 through a temperature-adjusting water outlet pipe 2 and connected with the outlet end of the steam-water mixer 15 through a water outlet pipe 16, the outlet end of the hot water type lithium bromide absorption refrigerator is respectively connected with the inlet end of the high-pressure washer 1 through a temperature-adjusting water return pipe 4 and connected with the upper end of a circulating water tank 8 through a flexible water pipe 7, the cold water outlet end of the hot water type lithium bromide absorption refrigerator is connected with a cooling water outlet pipe 5, and; and the inlet end of the steam-water mixer 15 is connected to the outlet end of the water pump 12 through a water inlet pipe 14, the inlet end of the water pump 12 is connected to the lower end of the circulating water tank 8 through a liquid outlet pipe 11, and the air inlet end of the water pump is connected to a steam pipeline through a steam inlet pipe 17. When the urea system is normally opened, the temperature-regulated water with the temperature of 130-140 ℃ output by the high-pressure washer 1 is sent to the hot water type lithium bromide absorption refrigerator 3 through the temperature-regulated water outlet pipe 2 to be used as heat source power, the temperature of the temperature-regulated water is reduced to 120-130 ℃, and the hot water type lithium bromide absorption refrigerator 3 cools down cold water circulated back by the cooling water return pipe 6 and then conveys the cooled cold water to cooling equipment of other sections through the cooling water outlet pipe 5 to be used as a cooling medium. The process not only recycles waste heat generated by the system, but also can produce cold water to be used as a cooling medium, and has good energy-saving effect. When the urea system is stopped and no hot water is available, the soft water in the circulating water tank 8 is sent to the water pump 12 through the liquid outlet pipe 11, the water pump 12 pumps the pure water into the steam-water mixer 15, the steam is sent into the steam-water mixer 15 through the steam inlet pipe 17 to heat the pure water to 130-140 ℃, and then the pure water is sent to the hot water type lithium bromide absorption refrigerator 3 through the water outlet pipe 16 to supply heat, so that cooling water is continuously produced, and the cooled pure water flows back into the circulating water tank 8 through the soft water pipe 7. The utilization rate of the hot water type lithium bromide absorption refrigerator 3 is ensured by the cooperation of two pipelines. The cold water produced by the hot water type lithium bromide absorption refrigerator 3 is used as a cooling medium for cooling equipment in other working sections, and the cold water produced by the hot water type lithium bromide absorption refrigerator 3 has lower temperature than common circulating water, so that the effects of increasing yield and reducing consumption are good. The combined device fully recycles hot water generated by the system and excess steam of the boiler on the premise of ensuring safety, saves energy consumption, and simultaneously, the prepared cold water is supplied to each cooling device, thereby playing the roles of increasing yield and reducing consumption and having good popularization and application values.
Preferably, a pressure gauge 13 is provided on the inlet pipe 14. The pressure gauge 13 can facilitate observation of the pressure of the soft water pressurized by the water pump 12, and prevent the water pressure input into the steam-water mixer 15 from being excessively high.
Preferably, a liquid level meter 9 is provided in the circulation water tank 8. The level of the soft water in the circulation water tank 8 can be conveniently observed by the level gauge 9.
Further, the device also comprises an emptying pipe 10 arranged above the circulating water tank 8. When the soft water in the soft water pipe 7 is transferred to the circulation water tank 8, the air in the circulation water tank 8 is discharged through the flare pipe 10.
Further, the device also comprises a soft water conveying pipe 18 connected to the outlet end of the water pump 12, and a valve 19 is arranged on the soft water conveying pipe 18. When the level of the soft water in the circulation water tank 8 is too high, the valve 19 is opened, and the soft water pumped out of the circulation water tank 8 is discharged by the water pump 12 through the soft water delivery pipe 18, thereby preventing the water level in the circulation water tank 8 from being too high.
Claims (5)
1. A joint production device of a hot water type lithium bromide absorption refrigerating unit is characterized by comprising:
the inlet end of the hot water type lithium bromide absorption refrigerator (3) is respectively connected with the outlet end of the high-pressure washer (1) through a temperature-adjusting water outlet pipe (2) and connected with the outlet end of a steam-water mixer (15) through a water outlet pipe (16), the outlet end of the hot water type lithium bromide absorption refrigerator is respectively connected with the inlet end of the high-pressure washer (1) through a temperature-adjusting water return pipe (4) and connected with the upper end of a circulating water tank (8) through a water hose (7), the cold water outlet end of the hot water type lithium bromide absorption refrigerator is connected with a cooling water outlet pipe (5), and the cold water;
and the inlet end of the steam-water mixer (15) is connected to the outlet end of the water pump (12) through a water inlet pipe (14), the inlet end of the water pump (12) is connected to the lower end of the circulating water tank (8) through a liquid outlet pipe (11), and the air inlet end of the water pump is connected to a steam pipeline through a steam inlet pipe (17).
2. The unit for co-production of a hot water type lithium bromide absorption refrigerator unit according to claim 1, wherein: the water inlet pipe (14) is provided with a pressure gauge (13).
3. The unit for co-production of a hot water type lithium bromide absorption refrigerator unit according to claim 1, wherein: and a liquid level meter (9) is arranged in the circulating water tank (8).
4. The unit for co-production of a hot water type lithium bromide absorption refrigerator unit according to claim 1, wherein: and the emptying pipe (10) is arranged above the circulating water tank (8).
5. The unit for co-production of a hot water type lithium bromide absorption refrigerator unit according to claim 1, wherein: the water pump is characterized by further comprising a soft water conveying pipe (18) connected to the outlet end of the water pump (12), and a valve (19) is arranged on the soft water conveying pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462101.8U CN212778021U (en) | 2020-07-23 | 2020-07-23 | Combined production device of hot water type lithium bromide absorption refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462101.8U CN212778021U (en) | 2020-07-23 | 2020-07-23 | Combined production device of hot water type lithium bromide absorption refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212778021U true CN212778021U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021462101.8U Active CN212778021U (en) | 2020-07-23 | 2020-07-23 | Combined production device of hot water type lithium bromide absorption refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212778021U (en) |
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2020
- 2020-07-23 CN CN202021462101.8U patent/CN212778021U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20210513 Address after: 271400 no.2170, Qixian Road, Ningyang County, Tai'an City, Shandong Province Patentee after: SHANDONG JINMEI MINGSHENGDA CHEMICAL Co.,Ltd. Address before: 250204 Diao Town Chemical Industrial Park, Zhangqiu District, Jinan City, Shandong Province Patentee before: SHANDONG JINMEI MINGSHUI CHEMICAL GROUP Co.,Ltd. |