CN215723155U - Steam condensate water exhaust steam recovery system of pharmaceutical factory traditional Chinese medicine extraction workshop - Google Patents
Steam condensate water exhaust steam recovery system of pharmaceutical factory traditional Chinese medicine extraction workshop Download PDFInfo
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- CN215723155U CN215723155U CN202121457202.0U CN202121457202U CN215723155U CN 215723155 U CN215723155 U CN 215723155U CN 202121457202 U CN202121457202 U CN 202121457202U CN 215723155 U CN215723155 U CN 215723155U
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Abstract
The utility model discloses a steam condensate exhaust steam recovery system for a traditional Chinese medicine extraction workshop of a pharmaceutical factory, which comprises a main steam pipe, a main workshop steam condensate pipe and a condensate recovery device, wherein the main steam pipe is respectively connected to a first steam branch cylinder and a second steam branch cylinder through a first steam branch pipe and a second steam branch pipe, the workshop steam condensate pipe is connected with a first inlet of an enclosed water collection tank in the condensate recovery device, an air outlet of the enclosed water collection tank is connected with a first air inlet of an adjustable steam injection device through a flash steam pipeline, a second air inlet of the adjustable steam injection device is communicated with the main steam pipe, and an air outlet of the adjustable steam injection device is connected to an air inlet of the second steam branch cylinder through a steam conveying pipeline to provide steam required for production for the traditional Chinese medicine extraction workshop. The remarkable effects are as follows: the utilization rate of energy is improved, and the effects of energy conservation, consumption reduction and emission reduction are achieved.
Description
Technical Field
The utility model relates to the technical field of recovery of steam condensate in pharmaceutical factories, in particular to a system for recovering dead steam of steam condensate in a traditional Chinese medicine extraction workshop in a pharmaceutical factory.
Background
With the development of the technology of the pharmaceutical industry, the scale of extraction workshops of pharmaceutical factories is larger and larger, and the energy consumption of steam is higher and higher. Because the extraction workshop of pharmaceutical factory mostly uses low pressure steam, its condensate water and flash steam quality are lower, and the recovery cost is high, and steam condensate water does not retrieve or partial open recovery usually. This not only results in energy waste, environmental pollution, but also may damage the plant drainage system. In view of the above situation, a scheme of setting a steam condensate exhaust steam recovery system by using the pressure reduction and suction characteristics of a steam injection device is proposed in the design of a traditional Chinese medicine extraction workshop in a pharmaceutical factory at present. However, this solution also has several difficulties: the steam injection device is adapted and matched to the great change of steam load of a traditional Chinese medicine extraction pharmaceutical factory; secondly, how to reduce the backpressure of the steam condensate recovery system and ensure that the steam condensate of the upstream heat exchange equipment can be smoothly discharged, and the safe and normal operation of the production process can be ensured.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the dead steam recovery system for the steam condensate of the traditional Chinese medicine extraction workshop of the pharmaceutical factory, and the steam condensate of the traditional Chinese medicine extraction workshop of the pharmaceutical factory is systematically collected and reused, so that the utilization rate of energy can be improved, and the effects of energy conservation, consumption reduction and emission reduction are achieved.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a traditional chinese medicine of pharmaceutical factory draws workshop steam condensate exhaust steam recovery system which the key lies in: the steam main pipe is respectively connected to a first steam branch cylinder and a second steam branch cylinder through a first steam branch pipe and a second steam branch pipe, a first self-operated pressure reducing valve is arranged on the first steam branch pipe, a second self-operated pressure reducing valve is arranged on the second steam branch pipe, the workshop steam condensate pipe is connected with a first inlet of a closed water collecting tank in the condensate recovery device, a gas outlet of the closed water collecting tank is connected with a first gas inlet of an adjustable steam injection device through a flash steam pipeline, a second gas inlet of the adjustable steam injection device is communicated with the steam main pipe, a gas outlet of the adjustable steam injection device is connected to a gas inlet of the second steam branch cylinder through a steam conveying pipeline to provide steam required for production of a traditional Chinese medicine extraction workshop, and the steam main pipe is connected with a second inlet of the closed water collecting tank through a first drainage component, and the first steam branch pipe, the second steam branch pipe, the first steam distributing cylinder and the second steam distributing cylinder are respectively connected to a third inlet of the closed water collecting tank through a second drainage component.
Further, still include the controller and link to each other first pressure transmitter, second pressure transmitter, the third pressure transmitter with the input end group of this controller, first pressure transmitter locates on the first steam branch pipe, second pressure transmitter locates on the second steam branch pipe, third pressure transmitter locates on the steam pipeline, the output end group of controller links to each other with first formula of relying on oneself relief pressure valve, the formula of relying on oneself relief pressure valve of second.
Furthermore, an emergency pressure relief pipe is connected to the flash steam pipeline, a fourth pressure transmitter and an electric control valve are arranged on the emergency pressure relief pipe, and the fourth pressure transmitter and the electric control valve are electrically connected with the controller.
Furthermore, a gate valve, a steam-water separator, a first purifier and a flowmeter are arranged on the steam main pipe, and the inlet end of the first hydrophobic component is connected with the water outlet of the steam-water separator.
Furthermore, the first water-repellent component and the second water-repellent component have the same structure, wherein the first water-repellent component comprises a water pipeline and a bypass pipeline, the water pipeline is sequentially provided with a first stop valve, a third filter, a water trap, a second stop valve and a check valve, the bypass pipeline is provided with a third stop valve, the water inlet end of the bypass pipeline is connected with the water inlet end of the water pipeline, and the water outlet end of the bypass pipeline is connected to the water pipeline between the second stop valve and the check valve.
Furthermore, a third steam branch pipe is arranged on the second steam branch pipe in parallel, the air inlet end of the third steam branch pipe is connected with the main steam pipe, the air outlet end of the third steam branch pipe is connected to the second branch cylinder, and a third self-operated pressure reducing valve and a fifth pressure transmitter are arranged on the third steam branch pipe.
Furthermore, a third stop valve, a second purifier, a safety valve and a fourth stop valve are arranged on the first steam branch pipe, the second steam branch pipe and the third steam branch pipe, and a first self-operated pressure reducing valve, a second self-operated pressure reducing valve or a third self-operated pressure reducing valve is arranged between the second purifier and the safety valve.
The utility model has the following remarkable effects:
1. the adjustable steam injection device with the self-adaptive adjusting energy-saving capability is adopted, the automatic adjustment can be realized according to the change of the operation condition, and the ejector is kept to have the optimal secondary steam suction capability.
2. The maximum amount of the sucked flash steam under the action of the high-pressure power steam of the adjustable steam jet device is larger than the actual amount of the flash steam, and the pressure in the closed water collecting tank can be controlled by effectively recovering the flash steam, so that the backpressure of a condensed water system is lower.
3. The emergency pressure relief scheme is arranged on the flash steam pipeline, when the pressure in the closed water collecting tank rises under special conditions, the electric control valve is opened according to a control value set by debugging, and flash steam is discharged outwards to reduce the internal pressure of the water collecting tank.
4. The low-pressure steam can be directly supplied to the original process professional equipment and heating ventilation professional equipment, so that the heat energy of the low-pressure steam can be effectively recycled, and the steam consumption is reduced by over 10 percent. The condensed water in the whole steam thermodynamic system is completely recycled in a closed manner, the temperature of the recycled high-temperature condensed water exceeds more than 70 ℃, and the high-temperature condensed water is completely recycled in a boiler, so that the temperature of boiler feed water is increased, and the operation energy efficiency of the whole traditional Chinese medicine extraction pharmaceutical factory thermodynamic system is optimal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the piping structure of the first filtering and draining assembly.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a steam condensate exhaust steam recovery system in a workshop for extracting traditional Chinese medicine in a pharmaceutical factory comprises a main steam pipe 1, a steam condensate pipe in the workshop and a condensate recovery device, wherein a gate valve 2, a steam-water separator 3, a first purifier 4 and a flow meter 5 are arranged on the main steam pipe 1, the main steam pipe 1 behind the flow meter 5 is respectively connected to a first steam branch cylinder 13 and a second steam branch cylinder 14 through a first steam branch pipe 6 and a second steam branch pipe 7, a first self-operated pressure reducing valve 15 is arranged on the first steam branch pipe 6, a second self-operated pressure reducing valve 16 is arranged on the second steam branch pipe 7, the steam condensate pipe 18 in the workshop is connected with a first inlet of an inner closed water collection tank 191 of the condensate recovery device 19, an air outlet of the closed water collection tank 191 is connected with a first air inlet of an adjustable steam injection device 21 through a flash steam pipeline 20, the second air inlet of the adjustable steam injection device 21 is communicated with the steam main pipe 1, the air outlet of the adjustable steam injection device 21 is connected to the air inlet of the second steam distributing cylinder 14 through a steam conveying pipeline 22 to provide steam required by production for a traditional Chinese medicine extraction workshop, the steam main pipe 1 is connected with the second inlet of the closed water collecting tank 191 through a first water draining assembly 23, the inlet end of the first water draining assembly 23 is connected with the water outlet of the steam-water separator 3, and the first steam branch pipe 6, the second steam branch pipe 7, the first steam distributing cylinder 13 and the second steam distributing cylinder 14 are connected to the third inlet of the closed water collecting tank 191 through a second water draining assembly 24 respectively.
In this example, the steam condensate waste steam recovery system for a chinese medicine extraction pharmaceutical factory further includes a controller 25, and a first pressure transmitter 26, a second pressure transmitter 27, and a third pressure transmitter 28 connected to an input terminal group of the controller 25, the first pressure transmitter 26 is disposed on the first steam branch pipe 6, the second pressure transmitter 27 is disposed on the second steam branch pipe 7, the third pressure transmitter 28 is disposed on the steam delivery pipe 22, and an output terminal group of the controller 25 is connected to the first self-operated pressure reducing valve 15 and the second self-operated pressure reducing valve 16.
The steam pressure in the first steam branch pipe 6 is detected by the first pressure transmitter 26, the steam pressure in the second steam branch pipe 7 is detected by the second pressure transmitter 27, and the steam pressure delivered to the steam-distributing cylinder by the adjustable steam injection device 21 is detected by the third pressure transmitter 28, so that the controller 25 can adjust the steam supply mode and the steam supply amount according to the air consumption of the process professional equipment. Specifically, when the gas consumption of the steam equipment supplied by the first branch cylinder 13 is large, the opening degree of the first self-operated reducing valve 15 is adjusted to increase the steam delivery; when the steam quantity for the process professional equipment supplied by the second steam distributing cylinder 14 is smaller, the second steam distributing cylinder 14 can independently supply steam by the adjustable steam injection device 21, and the second self-operated reducing valve 16 is closed; when the amount of steam for the process professional equipment supplied by the second branch cylinder 14 is large, the second self-operated pressure reducing valve 16 is automatically opened, and the adjustable steam injection device 21 assists in distributing steam for the equipment to use, so that the steam supply requirement is met.
As can also be seen from fig. 1, an emergency pressure relief pipe 31 is further connected to the flash steam pipeline 20, a fourth pressure transmitter 29 and an electric control valve 32 are disposed on the emergency pressure relief pipe 31, and the fourth pressure transmitter 29 and the electric control valve 32 are electrically connected to the controller 25.
The flash steam pipeline 20 is provided with a feeding pressure relief pipe 31, when the pressure in the closed water collecting tank 191 is increased under special conditions, the controller 25 opens an electric control valve 32 arranged on the emergency pressure relief pipe 31 according to a control value set by debugging, and discharges the flash steam outwards to reduce the pressure in the water collecting tank 191.
As can also be seen from fig. 1, a third steam branch pipe 8 is further arranged in parallel on the second steam branch pipe 7, an air inlet end of the third steam branch pipe 8 is connected to the main steam pipe 1, an air outlet end of the third steam branch pipe 8 is connected to the second branch cylinder 14, a third self-operated pressure reducing valve 17 and a fifth pressure transmitter 30 are arranged on the third steam branch pipe 8, and the third self-operated pressure reducing valve 17 and the fifth pressure transmitter 30 are electrically connected to the controller 25.
Because the traditional Chinese medicine extraction generally has larger steam consumption, and the workshop with large consumption is generally provided with steam pipelines on the south and north sides, namely a first steam branch pipe, a second steam branch pipe, a first steam branch cylinder and a second steam branch cylinder are arranged to form two steam supply directions, when the steam consumption of steam equipment supplied by the second steam branch cylinder 14 is larger, the steam quantity supplied to the second steam branch cylinder 14 is increased by opening the third steam branch pipe 8, and when the gas consumption of process professional equipment is smaller, the third steam branch pipe 8 can be closed.
Preferably, the first water-repellent assembly 23 and the second water-repellent assembly 24 have the same structure, and the first water-repellent assembly 23 is described as an example, and includes a water pipe 231 and a bypass pipe 232, the water pipe 231 is sequentially provided with a first stop valve 233, a third filter 234, a water trap 235, a second stop valve 236 and a check valve 237, the bypass pipe 232 is provided with a third stop valve 238, a water inlet end of the bypass pipe 232 is connected to a water inlet end of the water pipe 231, and a water outlet end of the bypass pipe 232 is connected to the water pipe 231 between the second stop valve 236 and the check valve 237.
Further, a third stop valve 9, a second purifier 10, a safety valve 11 and a fourth stop valve 12 are further provided on the first steam branch pipe 6, the second steam branch pipe 7 and the third steam branch pipe 8, and a first self-operated pressure reducing valve 15, a second self-operated pressure reducing valve 16 or a third self-operated pressure reducing valve 17 is provided between the second purifier 10 and the safety valve 11.
When the system works, saturated steam from a factory boiler room enters an extraction workshop thermal power station, is subjected to steam-water separation and metering, is connected to a first self-operated pressure reducing valve 15 or a second self-operated pressure reducing valve 16 to reduce the pressure of the high-pressure saturated steam into low-pressure saturated steam, is distributed through a first steam distributing cylinder 13 and a second steam distributing cylinder 14, and is respectively connected to steam utilization equipment in the technical field of process and heating ventilation;
after steam heat exchange of each steam consuming device, the latent heat released by saturated steam is changed into saturated high-temperature condensed water under the same pressure, and the saturated high-temperature condensed water is recycled to an electric condensed water recycling device 19 located in a heating power station through a steam condensed water pipe 18 of a workshop through a drainage component;
by utilizing the pressure difference between the saturated high-temperature condensed water and the closed water collecting tank 191 in the electric condensed water device, the saturated high-temperature condensed water flashes out saturated steam in the closed water collecting tank 191, the flashed steam is connected into the adjustable steam jet device 21, high-pressure power steam in the steam main pipe 1 is introduced into the adjustable steam jet device 21, low-pressure flashed steam in the closed water collecting tank 191 is sucked through power steam jet and mixed in the adjustable steam jet device 21, and the pressurized new steam is connected with a steam branch pipe behind the second self-operated pressure reducing valve 16. In this way, the new steam mixed and pressurized in the adjustable steam injection device 21 and the steam after the second self-operated pressure reducing valve 16 are supplied to the second branch cylinder 14 in parallel.
The system not only solves the difficulty of recovering the waste heat of the steam condensate water in the traditional Chinese medicine extraction pharmaceutical factory, but also can be directly supplied to the prior process professional equipment for use by collecting and recycling the steam condensate water system, thereby realizing the effective recycling of the low-pressure steam heat energy, reducing the steam consumption by more than 10 percent, improving the utilization rate of energy sources and achieving the effects of energy conservation, consumption reduction and emission reduction. In addition, the condensed water in the whole steam thermodynamic system is completely recycled in a sealed way, the temperature of the recycled high-temperature condensed water exceeds 70 ℃, and the high-temperature condensed water is completely recycled for the boiler, so that the temperature of the boiler feed water is increased, and the operation energy efficiency of the thermodynamic system of the whole pharmaceutical factory is optimal.
The technical solution provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a traditional chinese medicine of pharmaceutical factory draws workshop steam condensate exhaust steam recovery system which characterized in that: the steam main pipe is respectively connected to a first steam branch cylinder and a second steam branch cylinder through a first steam branch pipe and a second steam branch pipe, a first self-operated pressure reducing valve is arranged on the first steam branch pipe, a second self-operated pressure reducing valve is arranged on the second steam branch pipe, the workshop steam condensate pipe is connected with a first inlet of a closed water collecting tank in the condensate recovery device, a gas outlet of the closed water collecting tank is connected with a first gas inlet of an adjustable steam injection device through a flash steam pipeline, a second gas inlet of the adjustable steam injection device is communicated with the steam main pipe, a gas outlet of the adjustable steam injection device is connected to a gas inlet of the second steam branch cylinder through a steam conveying pipeline to provide steam required for production of a traditional Chinese medicine extraction workshop, and the steam main pipe is connected with a second inlet of the closed water collecting tank through a first drainage component, and the first steam branch pipe, the second steam branch pipe, the first steam distributing cylinder and the second steam distributing cylinder are respectively connected to a third inlet of the closed water collecting tank through a second drainage component.
2. The system for recovering the steam condensate exhaust steam in the traditional Chinese medicine extraction workshop of the pharmaceutical factory according to claim 1, is characterized in that: still include the controller and link to each other first pressure transmitter, second pressure transmitter, the third pressure transmitter with the input end group of this controller, first pressure transmitter locates on the first steam branch pipe, second pressure transmitter locates on the second steam branch pipe, third pressure transmitter locates on the steam pipeline, the output end group of controller links to each other with first formula of relying on oneself relief pressure valve, the formula of relying on oneself relief pressure valve of second.
3. The steam condensate exhaust steam recovery system of the pharmaceutical factory traditional Chinese medicine extraction workshop according to claim 2, characterized in that: the flash steam pipeline is also connected with an emergency pressure relief pipe, a fourth pressure transmitter and an electric control valve are arranged on the emergency pressure relief pipe, and the fourth pressure transmitter and the electric control valve are electrically connected with the controller.
4. The system for recovering the steam condensate exhaust steam in the traditional Chinese medicine extraction workshop of the pharmaceutical factory according to claim 1, is characterized in that: the steam main pipe is provided with a gate valve, a steam-water separator, a first purifier and a flowmeter, and the inlet end of the first drainage component is connected with the water outlet of the steam-water separator.
5. The system for recovering the steam condensate exhaust steam in the traditional Chinese medicine extraction workshop of the pharmaceutical factory according to claim 1 or 4, is characterized in that: the structure of the first water drainage component is consistent with that of the second water drainage component, wherein the first water drainage component comprises a water pipeline and a bypass pipeline, a first stop valve, a third filter, a steam trap, a second stop valve and a check valve are sequentially arranged on the water pipeline, the bypass pipeline is provided with a third stop valve, the water inlet end of the bypass pipeline is connected with the water inlet end of the water pipeline, and the water outlet end of the bypass pipeline is connected to the water pipeline between the second stop valve and the check valve.
6. The system for recovering the steam condensate exhaust steam in the traditional Chinese medicine extraction workshop of the pharmaceutical factory according to any one of claims 1 to 4, is characterized in that: and the second steam branch pipe is also provided with a third steam branch pipe in parallel, the air inlet end of the third steam branch pipe is connected with the main steam pipe, the air outlet end of the third steam branch pipe is connected to the second branch cylinder, and the third steam branch pipe is provided with a third self-operated pressure reducing valve and a fifth pressure transmitter.
7. The system for recovering the steam condensate exhaust steam in the traditional Chinese medicine extraction workshop of the pharmaceutical factory according to claim 6, is characterized in that: and a first self-operated pressure reducing valve, a second self-operated pressure reducing valve or a third self-operated pressure reducing valve is arranged between the second purifier and the safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121457202.0U CN215723155U (en) | 2021-06-29 | 2021-06-29 | Steam condensate water exhaust steam recovery system of pharmaceutical factory traditional Chinese medicine extraction workshop |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121457202.0U CN215723155U (en) | 2021-06-29 | 2021-06-29 | Steam condensate water exhaust steam recovery system of pharmaceutical factory traditional Chinese medicine extraction workshop |
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| CN215723155U true CN215723155U (en) | 2022-02-01 |
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| CN202121457202.0U Active CN215723155U (en) | 2021-06-29 | 2021-06-29 | Steam condensate water exhaust steam recovery system of pharmaceutical factory traditional Chinese medicine extraction workshop |
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