CN212987185U - Recovery system capable of realizing recovery of non-clean multiple-air-source exhaust steam without positive pressure - Google Patents
Recovery system capable of realizing recovery of non-clean multiple-air-source exhaust steam without positive pressure Download PDFInfo
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- CN212987185U CN212987185U CN202021871095.1U CN202021871095U CN212987185U CN 212987185 U CN212987185 U CN 212987185U CN 202021871095 U CN202021871095 U CN 202021871095U CN 212987185 U CN212987185 U CN 212987185U
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Abstract
The utility model discloses a recovery system that non-positive pressure can realize retrieving clean many air supplies exhaust steam of non-, produce device, exhaust steam recovery unit and heat exchanger including the exhaust steam, exhaust steam recovery unit is provided with low temperature water entry, exhaust steam entry, moisturizing mouth and delivery port, and low temperature water entry is located the top of exhaust steam entry, and the exhaust steam entry produces the device with the exhaust steam and is connected, and the heat exchanger is connected with delivery port and low temperature water entry respectively, and the heat exchanger still is provided with water inlet and retrieval and utilization mouth, and the exhaust steam recovery unit top is provided with and produces device complex no malleation security system with the exhaust steam, and the exhaust steam recovery unit is connected with the outlet. The utility model discloses realize the recycle of non-clean, no malleation exhaust steam heat and water resource, application scope is wide, the recovery volume is big, the variable operating mode performance is good, the sexual valence relative altitude, can many vapour sources retrieve simultaneously with the system, degree of automation is high, and the security is high, can keep apart completely with the original system of enterprise, even the recovery plant system breaks down, does not exert an influence to the normal operating of enterprise.
Description
Technical Field
The utility model relates to an energy-concerving and environment-protective device technical field, more specifically relate to a there is not malleation can realize retrieving recovery system of the many clean air supply exhaust steam of non-.
Background
Following the general writing of "theory of two mountains", energy conservation and environmental protection are the core subjects of current social development, along with the increasing tightening of energy double control and environmental protection situation, energy conservation and environmental protection are more urgent under the current situation, and meanwhile, a large amount of industrial boilers and power station boilers generate a large amount of steam with low-level heat energy discharged to the air in the operation process of deaerators, periodic pollution discharge, continuous pollution discharge, drain flash evaporators, steam-using equipment condensed water flash steam and the like. The exhaust steam is flash evaporation micro-pressure steam generated after high-temperature water with pressure enters a container with pressure lower than that of the container and is flash evaporated, a large amount of energy (heat energy and pure water) is wasted after being discharged, the enthalpy value of saturated steam with 0.02 Mpa is H1=2683.8KJ/kg, and the enthalpy value is quite large. Therefore, the high-pressure and low-pressure exhaust steam has great recovery value. The waste steam not only can cause the influence to the environment on every side to empty emission, causes the waste of energy and water resource moreover, how to recycle, reduces the corruption of the equipment around the waste steam and to atmospheric pollution simultaneously, is the problem that awaits a urgent need to solve. The existing exhaust steam recovery device usually only recovers clean exhaust steam with positive pressure and single pressure, has a complex general structure and poor variable working condition performance, and can influence the original system when a fault occurs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a recovery system of the many clean air sources exhaust steam of non-recovery can be realized to no malleation realizes the cyclic utilization of non-clean, no malleation, many vapour sources exhaust steam heat and water resource, and the recovery volume is big, the variable working condition performance is good, can retrieve simultaneously, the security is high with the system in many vapour sources.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a there is not malleation can realize retrieving recovery system of clean many air supplies exhaust steam of non-, includes exhaust steam and produces device, exhaust steam recovery unit and heat exchanger, exhaust steam recovery unit is provided with low temperature water entry, exhaust steam entry, moisturizing mouth and delivery port, low temperature water entry is located the top of exhaust steam entry, the exhaust steam entry with the exhaust steam produces the device and connects, the heat exchanger respectively with the delivery port with low temperature water entry linkage, the heat exchanger still is provided with water inlet and retrieval and utilization mouth, exhaust steam recovery unit top be provided with exhaust steam produces device complex no malleation security system, exhaust steam recovery unit is connected with the outlet.
The water replenishing port can be connected with a cold water source of original production equipment or a factory, and can be used without independent design, the system runs, firstly, a certain amount of low-temperature desalted water (or clear water) is replenished into the exhaust steam recovery device through the water replenishing port, the exhaust steam generation device sends exhaust steam to the exhaust steam recovery device, the low-temperature desalted water (or the clear water) in the exhaust steam recovery device flows through the heat exchanger and enters through the low-temperature water inlet, the exhaust steam and the low-temperature water are mixed for heat exchange and then are converged in the exhaust steam recovery device, and the high-temperature desalted water (or the clear water) is sent to the heat exchanger through the high-temperature water. The water inlet of the heat exchanger is connected with a water source, low-temperature desalted water is conveyed to the heat exchanger through the water inlet after passing through the desalting filter before entering the heat exchanger, the heat exchanger heats the low-temperature desalted water, and the desalted water after being heated is discharged through the recycling port for comprehensive utilization. High-temperature desalted water (or clear water) sent out by the exhaust steam recovery device is returned to the system after heat exchange and temperature reduction by the heat exchanger and is reused as secondary exhaust steam absorption water. The low-temperature water inlet is arranged above the exhaust steam inlet, and the exhaust steam is cooled and mixed into uniform hot water by the low-temperature water sprayed from the upper part of the exhaust steam inlet. When the water level in the recovery device is too high after the exhaust steam is condensed into water, the water is discharged to the normal water level through the water outlet. The heat exchanger adopts a water-surface type heat exchanger. The non-positive pressure security system ensures that the exhaust steam does not generate positive pressure in the exhaust steam generating device and the exhaust steam recovery device, does not cause any influence on the original production system, can realize the recovery and utilization of non-clean and non-positive pressure exhaust steam heat and water resources, and can be applied to all the exhaust steam recovery with the pressure not lower than the atmospheric pressure. The utility model discloses the system can the direct access former exhaust steam production system, and it is convenient to reform transform, retrieves effectually, and application scope is extensive.
Furthermore, the exhaust steam generating device is provided with a steam exhaust pipe, the steam exhaust pipe is provided with a first control valve, the non-positive pressure security system comprises an air alignment pipe arranged above the exhaust steam recovery device, and the air alignment pipe and the steam exhaust pipe are in the same diameter.
When the exhaust steam is recovered, the first control valve is closed, the exhaust steam entering the exhaust steam recovery device cannot generate air discharge, the diameter of the air exhaust pipe is equal to that of the steam exhaust pipe, so that positive pressure is not generated between the exhaust steam recovery device and the exhaust steam generation device, when the exhaust steam recovery device is abnormal, the first control valve can be opened, the exhaust steam is discharged to the air, and the normal operation of an original system cannot be influenced.
Further, the exhaust steam recovery device comprises a water storage tank and a tower head communicated with the water storage tank, the exhaust steam inlet and the low-temperature water inlet are formed in the tower head, a water seal facility is arranged inside the tower head, and the butt-hollow pipe is arranged on the top end of the tower head. The water seal device in the tower head and the empty pipe arranged on the tower head can ensure the safety performance of the recovery system, ensure that the dead steam recovery system is easy to have no potential safety hazard, and overcome the potential safety hazard possibly caused by the jamming of a mechanical valve. When various abnormal working conditions such as abnormal steam inlet, abnormal water supply of a cold source, sudden power failure and the like occur in the recovery system, the normal operation of the original production system can be guaranteed not to be influenced, the maintenance workload is very small, and the system safety is high.
Further, the water replenishing opening is arranged on the water storage tank, a low-temperature water device is connected with the water replenishing pipeline through a water replenishing pipeline, and a control valve II is arranged on the water replenishing pipeline. The low-temperature water device can be an original water supply system of a factory, and the low-temperature water level supplement in the water storage tank is controlled by opening and closing the control valve II.
Furthermore, the low-temperature water device is connected with a water inlet of the heat exchanger, and filters are arranged between the heat exchanger and the exhaust steam recovery device and between the heat exchanger and the low-temperature water device.
Furthermore, the water outlet and the water outlet are arranged at the bottom of the water storage tank, a water pump is connected between the water outlet and the heat exchanger, the water pump is set to be two for medical use, and high-temperature desalted water (or clean water) in the water storage tank is conveyed into the heat exchanger through the water pump.
Further, the outlet is connected with the recovery pond, the outlet with be provided with valve control device between the recovery pond, valve control device includes electric ball valve and stop valve, and when the water level was too high in the water storage tank, the control water storage tank outwards drained to the recovery pond in to the normal water level in the jar.
Further, exhaust steam recovery unit is provided with the thermometer that shows inside temperature and the level gauge of control water level, and thermometer and level gauge setting are on the water storage tank, are convenient for observe the inside level gauge liquid level height of water storage tank, are convenient for in time adjust and control.
Furthermore, each junction of the heat exchanger is provided with a pressure gauge and a thermometer, a recycling port of the heat exchanger is connected with a recycling device, and a third control valve is arranged between the recycling port and the recycling device. The design of manometer and thermometer is convenient to observe and detect each entry and exit temperature and water pressure, is provided with the high temperature water pump (one is used and is equipped with) between heat exchanger and the retrieval and utilization device, and water pump frequency conversion control circulation water yield, heat exchanger demineralized water retrieval and utilization mouth are provided with control valve three, control demineralized water yield, adjust demineralized water temperature rise.
Further, still include control system, control system automatic control entire system operation, control system adopt PLC control, can access to the DCS system of enterprise, but the full automatic operation of system, ability automatically regulated circulation water yield size control mixing temperature as required adjusts the demineralized water yield control demineralized water temperature rise, and is easy and simple to handle, can realize unmanned on duty.
To sum up, the utility model discloses following beneficial effect has:
(1) the method has the advantages that the method has no pressure for recovery, the flash evaporation is thorough, the recovery amount of the exhaust steam is large, and the exhaust steam is not discharged to the air after the recovery system is started under normal conditions;
(2) the variable working condition performance is good, and the use and recovery efficiency of the equipment are not influenced by the size of the dead steam;
(3) the safety is high, the whole set of equipment does not belong to a pressure container, and can be completely isolated from the original system of an enterprise, so that even if a recovery equipment system fails, the normal operation of the enterprise is not affected, and when the exhaust steam quantity is greater than the designed quantity, the normal operation of the equipment can be ensured;
(4) an automatic control system is adopted, the operation is simple, the operation is unattended, and the access to an enterprise DCS system is realized;
(5) the simultaneous recovery of various dead steam with different pressures can be realized;
(6) high cost performance and short investment return period.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of the labeling: 1. a dead steam generating device; 2. a tower head; 3. a first control valve; 4. a water storage tank; 5. a valve control device; 6. a recovery tank; 7. a filter; 8. a water pump; 9. a thermometer; 10. a water replenishing pipeline; 11. a steam exhaust pipe; 12. a second control valve; 13. a control system; 14. a low-temperature water inlet device; 15. a pressure gauge; 16. a thermometer; 17. a third control valve; 18. a recycling device; 19. a heat exchanger.
Detailed Description
The specific embodiment of the constant-emission exhaust steam recovery system of the present invention is further described with reference to fig. 1.
The utility model provides a there is not malleation can realize retrieving recovery system of clean many air supplies exhaust steam of non-, includes exhaust steam and produces device 1, exhaust steam recovery unit and heat exchanger 19, exhaust steam recovery unit is provided with low temperature water entry, exhaust steam entry, moisturizing mouth and delivery port, the low temperature water entry is located the top of exhaust steam entry, the exhaust steam entry with exhaust steam produces device 1 and connects, heat exchanger 19 respectively with the delivery port with low temperature water entry linkage, heat exchanger 19 still is provided with water inlet and retrieval and utilization mouth, exhaust steam recovery unit top be provided with exhaust steam produces device 1 complex no malleation security system, exhaust steam recovery unit is connected with the outlet.
The water replenishing port can be connected with a cold water source of original production equipment or a factory, and can be used without independent design, the system runs, firstly, a certain amount of low-temperature desalted water (or clear water) is replenished into the exhaust steam recovery device through the water replenishing port, the exhaust steam generation device 1 sends exhaust steam to the exhaust steam recovery device, the low-temperature desalted water (or the clear water) in the exhaust steam recovery device flows through the heat exchanger and enters through the low-temperature water inlet, the exhaust steam and the low-temperature water are mixed for heat exchange and then are converged in the exhaust steam recovery device, and the high-temperature desalted water (or the clear water) is sent to the heat exchanger 19 through the high-temperature water pump. The water inlet of the heat exchanger 19 is connected with a water source, low-temperature desalted water is conveyed to the heat exchanger 19 through the water inlet after passing through the desalting filter 7 before entering the heat exchanger 19, the heat exchanger 19 heats the low-temperature desalted water, and the desalted water after being heated is discharged through the recycling port for comprehensive utilization. High-temperature desalted water (or clear water) sent by the exhaust steam recovery device exchanges heat and is cooled by the heat exchanger 19, and then the high-temperature desalted water (or clear water) returns to the system to be used as secondary exhaust steam absorption water for reuse. The low-temperature water inlet is arranged above the exhaust steam inlet, and the exhaust steam is cooled and mixed into uniform hot water by the low-temperature water sprayed from the upper part of the exhaust steam inlet. When the water level in the recovery device is too high after the exhaust steam is condensed into water, the water is discharged to the normal water level through the water outlet. The heat exchanger 19 is a water-surface heat exchanger 19. The non-positive pressure security system ensures that the exhaust steam does not generate positive pressure in the exhaust steam generating device 1 and the exhaust steam recovery device, does not cause any influence on the original production system, can realize the recovery and utilization of non-clean and non-positive pressure exhaust steam heat and water resources, and can be applied to all the exhaust steam recovery with the pressure not lower than the atmospheric pressure. The utility model discloses the system can the direct access former exhaust steam production system, and it is convenient to reform transform, retrieves effectually, and application scope is extensive.
Preferably, the exhaust steam generating device 1 is provided with a steam exhaust pipe 11, a control valve I3 is arranged on the steam exhaust pipe 11, the non-positive pressure security system comprises an air exhaust pipe arranged above the exhaust steam recovery device, and the air exhaust pipe and the steam exhaust pipe 11 are in the same diameter.
When the exhaust steam is recovered, the control valve I3 is closed, the exhaust steam is enabled to completely enter the exhaust steam recovery device, air can be prevented from entering the exhaust steam recovery system through the exhaust steam pipe 11, the exhaust steam enters the exhaust steam recovery device and then exchanges heat with cold water to be condensed into water, the volume is rapidly contracted, positive pressure is not generated between the exhaust steam recovery device and the exhaust steam generating device 1, the diameter of an empty pipe and the diameter of the exhaust steam pipe 11 are equal, when the exhaust steam recovery device is abnormal, the exhaust steam can be discharged to the air, and normal operation of an original system cannot be affected.
This embodiment is preferred, exhaust steam recovery unit include water storage tank 4 and with the tower head 2 of 4 UNICOMs of water storage tank, the exhaust steam entry with the low temperature water entry is seted up on the tower head 2, tower head 2 is inside to be provided with the water seal facility, the setting of empty pipe is in the top of tower head 2. The water seal device in the tower head 2 and the empty pipe arranged on the tower head 2 can ensure the safety performance of the recovery system, ensure that the dead steam recovery system is easy to have no potential safety hazard, and overcome the potential safety hazard possibly caused by the jamming of a mechanical valve. When various abnormal working conditions such as abnormal steam inlet, abnormal water supply of a cold source, sudden power failure and the like occur in the recovery system, the normal operation of the original production system can be guaranteed not to be influenced, the maintenance workload is very small, and the system safety is high.
In this embodiment, the water replenishing opening is disposed on the water storage tank 4, a low-temperature water device 14 is connected to the water replenishing pipeline 10, and the water replenishing pipeline 10 is provided with a second control valve 12. The low-temperature water device 14 can be an original water supply system of a factory, and the low-temperature water level supplement in the water storage tank 4 is controlled by opening and closing the control valve II 12.
In this embodiment, preferably, the low-temperature water device 14 is connected to a water inlet of the heat exchanger 19, and a filter 7 is disposed between the heat exchanger 19 and the exhaust steam recovery device and between the heat exchanger and the low-temperature water device 14.
In this embodiment, the water outlet and the water outlet are arranged at the bottom of the water storage tank 4, a water pump 8 is connected between the water outlet and the heat exchanger 19, the water pump 8 is set as a medical device for two, and high-temperature demineralized water (or clean water) in the water storage tank 4 is delivered into the heat exchanger 19 through the water pump 8.
Preferably, this embodiment, the outlet is connected with the recovery pond 6, the outlet with be provided with valve control device 5 between the recovery pond 6, valve control device 5 includes electronic ball valve and stop valve, and when the water level was too high in the tank 4, control tank 4 outwards drainage to the recovery pond 6 in to the interior normal water level of jar.
This embodiment is preferred, exhaust steam recovery unit is provided with the thermometer 9 that shows inside temperature and the level gauge of control water level, and thermometer and level gauge setting are on water storage tank 4, are convenient for observe the inside level gauge liquid level height of water storage tank 4, are convenient for in time adjust and control.
In this embodiment, preferably, each joint of the heat exchanger 19 is provided with a pressure gauge 15 and a thermometer 16, a recycling port of the heat exchanger 19 is connected with a recycling device 18, and a third control valve 17 is arranged between the recycling port and the recycling device 18. The design of manometer 15 and thermometer 16 is convenient for observe and detect each entry and exit temperature and water pressure, is provided with high temperature water pump 8 (one is used one and is equipped with) between heat exchanger 19 and retrieval and utilization device 18, and the circulating water yield of 8 frequency conversion control of water pump, and 19 demineralized water retrieval and utilization mouths of heat exchanger are provided with control valve three 17, control demineralized water yield, adjust the demineralized water temperature rise.
This embodiment is preferred, still includes control system 13, control system 13 automatic control entire system operation, and control system 13 adopts PLC control, can access to the DCS system of enterprise, but the full automatic operation of system can be as required automatically regulated circulation water yield size control mixing temperature, adjusts the temperature rise of demineralized water control demineralized water volume, and is easy and simple to handle, can realize unmanned on duty.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a there is not malleation can realize retrieving recovery system of unclean many air supplies exhaust steam which characterized in that: including exhaust steam generating device, exhaust steam recovery unit and heat exchanger, exhaust steam recovery unit is provided with low temperature water entry, exhaust steam entry, moisturizing mouth and delivery port, the low temperature water entry is located the top of exhaust steam entry, the exhaust steam entry with exhaust steam generates the device connection, the heat exchanger respectively with the delivery port with low temperature water entry linkage, the heat exchanger still is provided with water inlet and retrieval and utilization mouth, exhaust steam recovery unit top be provided with exhaust steam generating device complex does not have malleation security system, exhaust steam recovery unit is connected with the outlet.
2. The recovery system for recovering the unclean multi-source dead steam without positive pressure according to claim 1, wherein: the exhaust steam generating device is provided with a steam exhaust pipe, the steam exhaust pipe is provided with a first control valve, the non-positive pressure security system comprises an air alignment pipe arranged above the exhaust steam recovery device, and the air alignment pipe and the steam exhaust pipe are in the same diameter.
3. The recovery system for recovering the unclean multi-source dead steam without positive pressure according to claim 2, wherein: the exhaust steam recovery device comprises a water storage tank and a tower head communicated with the water storage tank, the exhaust steam inlet and the low-temperature water inlet are formed in the tower head, a water seal facility is arranged inside the tower head, and the opposite empty pipe is arranged on the top end of the tower head.
4. The recovery system for recovering the unclean multi-source dead steam without positive pressure according to claim 3, wherein: the water replenishing opening is arranged on the water storage tank, a low-temperature water device is connected with the water replenishing pipeline through a water replenishing pipeline, and a control valve II is arranged on the water replenishing pipeline.
5. The recovery system for recovering the unclean multi-source exhaust steam without positive pressure according to claim 4, wherein: the low-temperature water device is connected with a water inlet of the heat exchanger, and filters are arranged between the heat exchanger and the exhaust steam recovery device and between the heat exchanger and the low-temperature water device.
6. The recovery system for recovering the unclean multi-source dead steam without positive pressure according to claim 3, wherein: the water outlet and the water outlet are arranged at the bottom of the water storage tank, and a water pump is connected between the water outlet and the heat exchanger.
7. The recovery system for recovering the unclean multi-source dead steam without positive pressure according to claim 3, wherein: the water outlet is connected with a recovery tank, and a valve control device is arranged between the water outlet and the recovery tank.
8. The recovery system for recovering the unclean multi-source dead steam without positive pressure according to claim 1, wherein: the exhaust steam recovery device is provided with a thermometer for displaying the temperature of the internal water and a liquid level meter for controlling the water level.
9. The recovery system for recovering the unclean multi-source dead steam without positive pressure according to claim 1, wherein: and a pressure gauge and a thermometer are arranged at each joint of the heat exchanger, a recycling port of the heat exchanger is connected with a recycling device, and a third control valve is arranged between the recycling port and the recycling device.
10. The recovery system for recovering the unclean multi-source dead steam without positive pressure according to claim 1, wherein: the system also comprises a control system, and the control system automatically controls the whole system to operate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021871095.1U CN212987185U (en) | 2020-09-01 | 2020-09-01 | Recovery system capable of realizing recovery of non-clean multiple-air-source exhaust steam without positive pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021871095.1U CN212987185U (en) | 2020-09-01 | 2020-09-01 | Recovery system capable of realizing recovery of non-clean multiple-air-source exhaust steam without positive pressure |
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| CN212987185U true CN212987185U (en) | 2021-04-16 |
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| CN202021871095.1U Active CN212987185U (en) | 2020-09-01 | 2020-09-01 | Recovery system capable of realizing recovery of non-clean multiple-air-source exhaust steam without positive pressure |
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| CN (1) | CN212987185U (en) |
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2020
- 2020-09-01 CN CN202021871095.1U patent/CN212987185U/en active Active
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