CN209083350U - Exhaust steam recovery system of large-scale industrial heat supply unit - Google Patents
Exhaust steam recovery system of large-scale industrial heat supply unit Download PDFInfo
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- CN209083350U CN209083350U CN201821576097.0U CN201821576097U CN209083350U CN 209083350 U CN209083350 U CN 209083350U CN 201821576097 U CN201821576097 U CN 201821576097U CN 209083350 U CN209083350 U CN 209083350U
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- condenser
- steam turbine
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- 238000011084 recovery Methods 0.000 title claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 20
- 238000006392 deoxygenation reaction Methods 0.000 claims abstract description 15
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000001172 regenerating effect Effects 0.000 abstract 3
- 239000002699 waste material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010612 desalination reaction Methods 0.000 description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Degasification And Air Bubble Elimination (AREA)
Abstract
The application discloses a waste steam recovery system of a large-scale industrial heat supply unit, which comprises a steam turbine, a first deoxidizing system and a second deoxidizing system, wherein the first deoxidizing system and the second deoxidizing system are communicated with the steam turbine; the first deoxidization system comprises a condenser communicated with a steam exhaust port of the steam turbine, a regenerative heater communicated with a water outlet of the condenser and a condensate pump arranged between the condenser and the regenerative heater; the second deoxygenation system comprises a high-pressure deoxygenator communicated with the regenerative heater, the high-pressure deoxygenator is communicated with a steam extraction port of the steam turbine, and the steam turbine provides a deoxygenated steam source for the high-pressure deoxygenator; through set up the moisturizing in the condenser and spray the pipeline, spray the pipeline through the moisturizing and supply demineralized water in to the condenser, the demineralized water is heated by the steam extraction of steam turbine and is realized vacuum deoxidization for the steam extraction of steam turbine has obtained abundant utilization, has cancelled the low pressure oxygen-eliminating device for prior art, has reduced entire system's energy consumption when reducing equipment, and the energy utilization rate is improved, saves the cost.
Description
Technical field
The invention relates to a kind of large scale industry thermal power plant unit dead steam recovery systems.
Background technique
Steam power plant's heat supply is the pressure and temperature according to needed for heat user, properly increase steam turbine exhaust pressure (or using take out
The mode of suction), using making the steam (claim steam exhaust) of function to power plant surrounding user heat supply, so that it may make the cold source energy of steam turbine
It is utilized effectively, to significantly improve thermoelectricity conjunction for the comprehensive utilization ratio of system.
Big thermoelecrtic generating set generally uses sucking condensing turbine, and heating steam is according to required parameter request in steam turbine
It extracts out, send to heat user, whether return water need to determine that most of engineering designs are equal to steam supply according to concrete technology flow process after corresponding series
Do not consider return water.Supplement water needed for thermodynamic cycle is produced by Water Treatment facility, is commonly referred to as through the complete water of Water Treatment
For demineralized water, demineralized water needs boiler combustion of being allowed for access by abundant deoxygenation, prevents the dissolved oxygen in water to boiler heat-exchanger corruption
Erosion.It generally requires and second level deoxygenation is carried out to reach feed water quality requirement to the demineralized water of supplement.
The mode of second level deoxygenation is carried out as shown in Figure 1, demineralized water processization waterwheel to the demineralized water of supplement in the prior art
Between desalination water pump boosting after by demineralized water water inlet pipe 9' be sent into low pressure oxygen-eliminating device 6' in carry out first time deoxygenation, after deoxygenation by
Relaying water pump 7' boosts, and is sent into higher-pressure deaerator 5' after boosting and carries out second of deoxygenation, passes through boiler after water quality is qualified
Water inlet pipe 10' and boiler feed pump 8' are sent to boiler.Wherein higher-pressure deaerator 5' and low pressure oxygen-eliminating device 6' is thermal deaerator,
Deoxygenation vapour source comes from steam turbine 1' steam extraction.Condenser 2', condensate pump are also connected in turn on steam turbine in the prior art simultaneously
3' and bleeder heater 4', the steam in steam turbine 1' is condensed into be sent into higher-pressure deaerator after liquid uses.
Utility model content
The purpose of the application is: a kind of large scale industry thermal power plant unit dead steam recovery system is provided, relative to tradition
Desalination water charging system reduce low pressure oxygen-eliminating device, but its effect for still being able to realize two-stage deoxygenation can satisfy system
Use demand.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of large scale industry thermal power plant unit dead steam recovery system, including steam turbine are provided, further include and the steam turbine phase
The first deaerating type of cycles and the second deaerating type of cycles of connection；First deaerating type of cycles includes connecting with the steam drain of the steam turbine
Logical condenser, the bleeder heater being connected to the water outlet of the condenser, and be arranged in the condenser and described time
Condensate pump between hot heater；Second deaerating type of cycles includes the high pressure deoxygenation being connected with the bleeder heater
Device, the higher-pressure deaerator are connected to the extraction opening of the steam turbine, are provided and are removed for the higher-pressure deaerator by the steam turbine
Oxygen vapour source；It is located at the position being connected to the steam turbine in the condenser and is provided with moisturizing spray pipeline, the moisturizing spray
Pipeline is connected to sweet-water tank, and several spray heads, the axis side of each spray head are provided on the moisturizing spray pipeline
Xiang Junyu vertical direction is obliquely installed in 30 ° to 60 ° angles, and the inclined direction of two adjacent spray heads is opposite.
It further include the first company as a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system
Adapter tube and the second connecting tube, the both ends of first connecting tube are separately connected the steam drain of the condenser and the steam turbine,
The both ends of second connecting tube are separately connected the extraction opening of the higher-pressure deaerator and the steam turbine.
It further include connection institute as a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system
It states condenser and the third connecting tube of the bleeder heater and connect the bleeder heater and the higher-pressure deaerator
4th connecting tube, the condensate pump are arranged in the third connecting tube.
As a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system, the spray head is logical
Excess pressure injection apparatus is connected with the spray pipeline, and sealing is provided between the pressure injection device and the spray head
Connecting tube.
As a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system, the sealed connection
Pipe has connecting tube first end and connecting tube second end, by the connecting tube first end to the diameter of the connecting tube second end
It gradually becomes smaller.
As a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system, the sealed connection
Ten degree of bend pipes of Guan Weijiu, the end face of the connecting tube first end and the end face of the connecting tube second end are mutually perpendicular to.
As a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system, the connecting tube
One end is connect by But rotary joint with the pressure injection device, and the But rotary joint includes and the pressure injection device
The first connecting portion being fixedly connected and the second connecting portion being fixedly connected with the connecting tube first end, the first connecting portion
It is mutually matched circular configuration with the second connecting portion, the first connecting portion and the second connecting portion cooperate
And setting can be relatively rotated, it is provided with the first locating part in the first connecting portion, is provided with second in the second connecting portion
Locating part, first locating part is matched with second locating part to be connected for limiting the first connecting portion and described second
The angle relatively rotated between socket part.
As a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system, first limit
Part is the arc groove that the outer surface of the first connecting portion is arranged in, and second locating part is setting in second connection
Columnar projections in portion.
As a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system, second connection
Corresponding with the arc groove in portion to be provided with raised mounting hole, the columnar projections are mounted in the raised mounting hole.
As a kind of optimal technical scheme of the large scale industry thermal power plant unit dead steam recovery system, the protrusion installation
Internal screw thread is provided in hole, what is matched in the columnar projections with the internal screw thread is provided with external screw thread, the columnar projections
It is detachably arranged in the raised mounting hole by being threadedly engaged.
The utility model has the advantages that by the way that moisturizing spray pipeline is arranged in condenser in this programme, by moisturizing spray pipeline to solidifying
Demineralized water is supplemented in vapour device, demineralized water realizes deaeration in condenser by the steam discharge heating of steam turbine, so that the steam discharge of steam turbine obtains
It adequately utilizes, while eliminating the low pressure oxygen-eliminating device being independently arranged compared with the existing technology, reduced while reducing equipment
The energy consumption of whole system improves energy utilization rate, saves cost.
Axis by the way that multiple spray heads and spray head are arranged is arranged with vertical direction in angle, so that spray head sprayed
Demineralized water can mutually be impacted, and made what it more dispersed to enter in condenser, further increased deaerating effect.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the system diagram of power station desalination water charging system in the prior art；
Fig. 2 is the system diagram of large scale industry thermal power plant unit dead steam recovery system provided by the embodiments of the present application；
Fig. 3 is moisturizing spray pipeline structural schematic diagram provided by the embodiments of the present application；
Fig. 4 is Fig. 3 left view schematic diagram.
In Fig. 1:
1', steam turbine；2', condenser；3', condensate pump；4', bleeder heater；5', higher-pressure deaerator；6', low pressure are removed
Oxygen device；7', relaying water pump；8', boiler feed pump；9', demineralized water water inlet pipe；10', boiler water inlet pipe；
In Fig. 2:
1, steam turbine；2, condenser；3, condensate pump；4, bleeder heater；5, higher-pressure deaerator；6, boiler feed pump；
7, demineralized water water inlet pipe；8, boiler water inlet pipe；9, moisturizing spray pipeline；10, pressure injection device；11, sealed joint pipe；12,
Spray head.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is for explaining the application, rather than the restriction to the application.It also should be noted that for the ease of retouching
It states, part relevant to the application is illustrated only in attached drawing rather than entire infrastructure.
Fig. 2 is a kind of large scale industry thermal power plant unit dead steam recovery system provided by the embodiment of the utility model, including steamer
Machine 1 further includes the first deaerating type of cycles and the second deaerating type of cycles being connected with the steam turbine 1；First deaerating type of cycles
Including the condenser 2 being connected to the steam drain of the steam turbine 1, the bleeder heater being connected to the water outlet of the condenser 2
4, and the condensate pump 3 being arranged between the condenser 2 and the bleeder heater 4；Second deaerating type of cycles includes
The extraction opening of the higher-pressure deaerator 5 being connected with the bleeder heater 4, the higher-pressure deaerator 5 and the steam turbine 1 connects
It is logical, it is that the higher-pressure deaerator 5 provides deoxygenation vapour source by the steam turbine 1；In the condenser 2 and it is located at and the steam turbine
The position of 1 connection is provided with moisturizing spray pipeline 9, and the moisturizing spray pipeline 9 is connected to sweet-water tank, the moisturizing spray tube
Several spray heads 12 are provided on road 9, the axis direction of each spray head 12 is in 30 ° to 60 ° angles with vertical direction
It is obliquely installed, the inclined direction of the spray head 12 of adjacent two is opposite.
Specifically, the axis direction of the spray head 12 and vertical direction are in 30 ° of angles in the present embodiment.
By the way that moisturizing spray pipeline 9 is arranged in condenser 2 in this programme, through moisturizing spray pipeline 9 into condenser 2
Demineralized water is supplemented, demineralized water realizes deaeration in condenser by the steam discharge heating of steam turbine 1, so that the steam discharge of steam turbine 1 has obtained sufficiently
Utilization, while eliminating the low pressure oxygen-eliminating device being independently arranged compared with the existing technology, reduced while reducing equipment entire
The energy consumption of system improves energy utilization rate, saves cost.
Axis by the way that multiple spray heads 12 and spray head 12 are arranged is arranged with vertical direction in angle, so that spray head 12
The demineralized water of ejection can mutually be impacted, and make what it more dispersed to enter in condenser 2, further increase deoxygenation effect
Fruit.
It further include the first connecting tube and the second connecting tube, the both ends of first connecting tube are separately connected the condenser 2
With the steam drain of the steam turbine 1, the both ends of second connecting tube are separately connected the higher-pressure deaerator 5 and the steam turbine
1 extraction opening.
Interrelated equipment is connected to by connecting line among above equipment in this programme, specifically, including described in connection
Condenser 2 and the third connecting tube of the bleeder heater 4 and it connect the bleeder heater 4 and the higher-pressure deaerator 5
The 4th connecting tube, the condensate pump 3 is arranged in the third connecting tube.
The condensate pump 3 being arranged in third connecting tube during the work time provides for the condensed water in condenser to be entered
Power is provided in higher-pressure deaerator 5.
The connection type of spray head 12 is also specifically defined in the present embodiment, the spray head 12 is filled by pressure injection
It sets 10 to be connected with the spray pipeline, is provided with sealed connection between the pressure injection device 10 and the spray head 12
Pipe 11.
The sealed joint pipe 11 has connecting tube first end and connecting tube second end, extremely by the connecting tube first end
The diameter of the connecting tube second end gradually becomes smaller.
Signified sealed joint pipe 11 refers to that the both ends of connecting tube are tightly connected with corresponding pipeline respectively in this programme.Tool
Body, connecting tube first end described in the present embodiment and the pressure injection device 10 are tightly connected, the connecting tube second end
It is tightly connected with the spray head 12.
Signified sealed connection is to realize sealing by the setting sealing elements such as sealing ring or gasket in this programme, described close
Envelope connection can connect for fixed seal connection or movable sealing, and the movable sealing, which connects, refers to two that seal against each other connection
Relative motion can be carried out between component in a certain range, which can be for along the axis of two components interconnected
The axial movement that line direction carries out, or the rotation of the axis progress around the two.
As the further preferred technical solution of the large scale industry thermal power plant unit dead steam recovery system, the present embodiment
Described in sealed joint pipe 11 be 90 degree of bend pipes, the end face of the end face of the connecting tube first end and the connecting tube second end
It is mutually perpendicular to.
By setting 90 degree of bend pipes for sealed joint pipe 11, in connecting tube first end relative to pressure injection device 10
When progress around the rotation of axis, the angle of connecting tube second end and vertical direction will change, it is possible thereby to from institute
The angle for stating the liquid sprayed in spray head 12 is adjusted.
Specifically, connecting tube first end described in the present embodiment passes through But rotary joint (not shown) and the pressure
Injection apparatus 10 connect, the But rotary joint include the first connecting portion being fixedly connected with the pressure injection device 10 and
The second connecting portion being fixedly connected with the connecting tube first end, the first connecting portion and the second connecting portion are mutual
The circular configuration of cooperation, the first connecting portion and the second connecting portion cooperate and can relatively rotate setting, and described the
Be provided with the first locating part on one interconnecting piece, be provided with the second locating part in the second connecting portion, first locating part with
Second locating part is matched for limiting the angle relatively rotated between the first connecting portion and the second connecting portion.
By the first locating part of setting and the second locating part cooperate to first connecting portion and second connecting portion can phase
Rotation angle is limited, the tilt angle to spray equipment relative to vertical direction is can be realized and control effectively, keep away
Exempt from spray angles and changes excessive influence using effect.
Specifically, the first locating part described in the present embodiment be arranged in the outer surface of the first connecting portion arc it is recessed
Slot, second locating part are the columnar projections being arranged in the second connecting portion.
The specific mounting means of the columnar projections is setting corresponding with the arc groove in the second connecting portion
There is raised mounting hole, the columnar projections are mounted in the raised mounting hole.In use first by first connecting portion
It is cooperatively connected with second connecting portion, and guarantees that the protrusion installation control is in the arc groove, and then realize described convex
It is exposed through the arc groove to play mounting hole, the columnar projections are installed in the raised mounting hole again later.
The columnar projections can be to be fixedly connected or be detachably connected with the connection type of the raised mounting hole, Yu Ben
Internal screw thread, the setting matched in the columnar projections with the internal screw thread are provided in the raised mounting hole in embodiment
There is external screw thread, the columnar projections are detachably arranged in the raised mounting hole by being threadedly engaged.
Illustrate difference of this programme compared with the existing technology in using effect below by specific data comparison, with body
The advantage of existing this programme.
Table 1
| Title | Model and specification |
| Steam turbine | CC25-8.83/3.5/1.5 type, 25MW, 8.83MPa, 535 DEG C |
| Condenser | Film-cooled heat 2180m2 |
| Condensate pump | 81m3/h 1.24MPa |
| Bleeder heater | + three low-pressure heater of one gland-sealing cooler |
| Higher-pressure deaerator | 260t/h 0.588MPa |
| Low pressure oxygen-eliminating device | 200t/h 0.118MPa |
| Relay water pump | 215m3/h 0.8MPa |
| Boiler feed pump | 342m3/h 13.5MPa |
Device parameter list
Parameter shown in upper table is the prior art and the common equipment technical parameters of this programme in the application, i.e. the two uses
Identical device parameter corresponds to above situation.
According to the specified steam extraction operating condition heat balance diagram of CC25-8.83/3.5/1.5 type steam turbine 1 that 1 factory of steam turbine provides, machine
Group each flow parameter of supplying thermal condition see the table below:
Table 2
| Project | Unit | Numerical value |
| High pressure heating steam flow | kg/h | 40 |
| Low pressure heating steam flow | kg/h | 140 |
| Low pressure heating steam temperature | ℃ | 316.24 |
| Exhaust steam flow | kg/h | 13.61 |
| Exhaust temperature | ℃ | 26.6 |
| Steam discharge enthalpy | kJ/kg | 2400.5 |
| Condensed water enthalpy | kJ/kg | 111.4 |
| Generate electricity heat consumption | kJ/kW.h | 4886.4 |
Each flow parameter table of unit supplying thermal condition
Demineralized water return water is usually close with environment temperature, and the relationship poor due to end of condenser 2 on surface, condensed water are general
It is 7~15 DEG C higher than recirculated water, the steam discharge latent heat of vaporization is recycled using the temperature difference of demineralized water and steam discharge, deoxygenation is saved and heats steam
Amount reduces quantity of circulating water
Evaporation capacity for engine 180t/h is pressed in demineralized water moisturizing, and steam exhaust heat then can be recycled by 15 DEG C of calculating in temperature per hour are as follows:
180t/h × (26.6 DEG C -15 DEG C) × 4.186kJ/ (kg DEG C)=8.74GJ/h
Coolable displacement are as follows:
8.74GJ/h ÷ (2400.5kJ/kg-26.6kJ/kg)=3681.7kg/h
By supplying thermal condition calculation of heat rate, electricity that per hour can be multiple are as follows:
8.74GJ/h ÷ 4886.4kJ/kW.h=1788.6kW
It is calculated by circulating ratio 60, quantity of circulating water can be saved per hour are as follows:
3681.7kg/h × 60=220.9t/h
Station service about 20kW can be saved per hour.
It needs to increase demineralized water moisturizing spray pipeline 9 in throat inside condenser 2, moisture face is increased by spray
Product improves deaerating effect.Since condenser 2 belongs to vacuum operation, the resistance of moisturizing spray pipeline 9 can be supported by 2 negative pressure of condenser
Disappear, desalination water pump pressure head is without increasing.3 capacity of condensate pump be typically all according to pure condensate operating condition maximum condensate flow type selecting, therefore
Condensate pump 3 is without increase-volume.
Note that above are only the preferred embodiment and institute's application technology principle of the application.It will be appreciated by those skilled in the art that
The application is not limited to specific embodiment described here, be able to carry out for a person skilled in the art it is various it is apparent variation,
The protection scope readjusted and substituted without departing from the application.Therefore, although being carried out by above embodiments to the application
It is described in further detail, but the application is not limited only to above embodiments, in the case where not departing from the application design, also
It may include more other equivalent embodiments, and scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. a kind of large scale industry thermal power plant unit dead steam recovery system, including steam turbine, which is characterized in that further include and the steamer
The first deaerating type of cycles and the second deaerating type of cycles that machine is connected；First deaerating type of cycles includes the steam discharge with the steam turbine
The condenser of mouth connection, the bleeder heater being connected to the water outlet of the condenser, and be arranged in the condenser and institute
State the condensate pump between bleeder heater；Second deaerating type of cycles includes that the high pressure being connected with the bleeder heater is removed
Oxygen device, the higher-pressure deaerator are connected to the extraction opening of the steam turbine, are provided by the steam turbine for the higher-pressure deaerator
Deoxygenation vapour source；The position being connected in the condenser with the steam turbine is provided with moisturizing spray pipeline, the moisturizing spray tube
Road is connected to sweet-water tank, and several spray heads, the axis direction of each spray head are provided on the moisturizing spray pipeline
It is obliquely installed with vertical direction in 30 ° to 60 ° angles, the inclined direction of two adjacent spray heads is opposite.
2. large scale industry thermal power plant unit dead steam recovery system according to claim 1, which is characterized in that further include the first company
Adapter tube and the second connecting tube, the both ends of first connecting tube are separately connected the steam drain of the condenser and the steam turbine,
The both ends of second connecting tube are separately connected the extraction opening of the higher-pressure deaerator and the steam turbine.
3. large scale industry thermal power plant unit dead steam recovery system according to claim 1 or 2, which is characterized in that further include connecting
It connects the condenser and the third connecting tube of the bleeder heater and connect the bleeder heater and the high pressure deoxygenation
4th connecting tube of device, the condensate pump are arranged in the third connecting tube.
4. large scale industry thermal power plant unit dead steam recovery system according to claim 1, which is characterized in that the spray head is logical
Excess pressure injection apparatus is connected with the spray pipeline, and sealing is provided between the pressure injection device and the spray head
Connecting tube.
5. large scale industry thermal power plant unit dead steam recovery system according to claim 4, which is characterized in that the sealed connection
Pipe has connecting tube first end and connecting tube second end, by the connecting tube first end to the diameter of the connecting tube second end
It gradually becomes smaller.
6. large scale industry thermal power plant unit dead steam recovery system according to claim 5, which is characterized in that the sealed connection
Ten degree of bend pipes of Guan Weijiu, the end face of the connecting tube first end and the end face of the connecting tube second end are mutually perpendicular to.
7. large scale industry thermal power plant unit dead steam recovery system according to claim 6, which is characterized in that the connecting tube
One end is connect by But rotary joint with the pressure injection device, and the But rotary joint includes and the pressure injection device
The first connecting portion being fixedly connected and the second connecting portion being fixedly connected with the connecting tube first end, the first connecting portion
It is mutually matched circular configuration with the second connecting portion, the first connecting portion and the second connecting portion cooperate
And setting can be relatively rotated, it is provided with the first locating part in the first connecting portion, is provided with second in the second connecting portion
Locating part, first locating part is matched with second locating part to be connected for limiting the first connecting portion and described second
The angle relatively rotated between socket part.
8. large scale industry thermal power plant unit dead steam recovery system according to claim 7, which is characterized in that first limit
Part is the arc groove that the outer surface of the first connecting portion is arranged in, and second locating part is setting in second connection
Columnar projections in portion.
9. large scale industry thermal power plant unit dead steam recovery system according to claim 8, which is characterized in that second connection
Corresponding with the arc groove in portion to be provided with raised mounting hole, the columnar projections are mounted in the raised mounting hole.
10. large scale industry thermal power plant unit dead steam recovery system according to claim 9, which is characterized in that the protrusion peace
Dress is provided with internal screw thread in hole, and what is matched in the columnar projections with the internal screw thread is provided with external screw thread, and the column is convex
It rises and is detachably arranged in the raised mounting hole by being threadedly engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821576097.0U CN209083350U (en) | 2018-09-26 | 2018-09-26 | Exhaust steam recovery system of large-scale industrial heat supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821576097.0U CN209083350U (en) | 2018-09-26 | 2018-09-26 | Exhaust steam recovery system of large-scale industrial heat supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083350U true CN209083350U (en) | 2019-07-09 |
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ID=67117633
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821576097.0U Expired - Fee Related CN209083350U (en) | 2018-09-26 | 2018-09-26 | Exhaust steam recovery system of large-scale industrial heat supply unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120021A (en) * | 2019-12-20 | 2020-05-08 | 东方电气集团东方汽轮机有限公司 | Water charging system for condenser of heat supply unit |
| CN112815298A (en) * | 2021-01-16 | 2021-05-18 | 宁波明州热电有限公司 | Condensate water recovery system |
-
2018
- 2018-09-26 CN CN201821576097.0U patent/CN209083350U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120021A (en) * | 2019-12-20 | 2020-05-08 | 东方电气集团东方汽轮机有限公司 | Water charging system for condenser of heat supply unit |
| CN112815298A (en) * | 2021-01-16 | 2021-05-18 | 宁波明州热电有限公司 | Condensate water recovery system |
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Granted publication date: 20190709 |