CN207111191U - A kind of Circulating Pump System - Google Patents
A kind of Circulating Pump System Download PDFInfo
- Publication number
- CN207111191U CN207111191U CN201720917857.9U CN201720917857U CN207111191U CN 207111191 U CN207111191 U CN 207111191U CN 201720917857 U CN201720917857 U CN 201720917857U CN 207111191 U CN207111191 U CN 207111191U
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- China
- Prior art keywords
- steam
- circulating pump
- steam turbine
- pump system
- temperature
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Abstract
The utility model embodiment discloses a kind of Circulating Pump System, including:Temperature-decreased pressure reducer, steam turbine and water circulating pump, steam turbine is in parallel with the temperature-decreased pressure reducer that can be automatically controlled, and water circulating pump is arranged on steam turbine, and the steam outlet pipe line of steam turbine and the steam outlet pipe line of temperature-decreased pressure reducer cross.By high steam carry out decompression become suitable for the low-pressure steam that user uses while, moreover it is possible to make full use of the energy during steam pressure-reducing, by the heat energy of steam be converted into mechanical energy drive water circulating pump work, avoid the waste of steam energy, economize on resources.
Description
Technical field
The utility model belongs to turbine technology field, more particularly to a kind of Circulating Pump System.
Background technology
Original multiple electric motors driving cycle water pump needs all to put into operation, and it is left in 0.45MPa that recirculated water sends out pressure
The right side, because most factories have carried out technological improvement to system, more coolers are additionally arranged, cause recirculated water insufficient.
Reducing-and-cooling plant is cogeneration of heat and power in modern industry, the existing reducing-and-cooling plant of central heating in the course of work
Middle extensive use, steam thermal energy parameter can be changed, additionally it is possible to saved using waste heat, by reducing-and-cooling plant high
Pressure steam is reduced to the suitable temperature and pressure of user's needs, and then meets the needs of user.But reducing-and-cooling plant consumes
Fall substantial amounts of steam thermal energy, so resulted in a large amount of wastes of energy, it is impossible to meet the political affairs of energy-saving and emission-reduction currently advocated
Plan.
Utility model content
In view of the above problems, the utility model proposes one kind to overcome above mentioned problem or to solve at least in part
State the Circulating Pump System of problem.
A kind of Circulating Pump System is proposed according to the utility model embodiment, including:Temperature-decreased pressure reducer, steam turbine and follow
Ring water pump, the steam turbine is in parallel with the temperature-decreased pressure reducer that can be automatically controlled, and the water circulating pump is arranged on the steam turbine
On, the steam outlet pipe line of the steam turbine crosses with the steam outlet pipe line of the temperature-decreased pressure reducer.
Further, the in-line filter on the steam inlet pipe line of the steam turbine, after steam is filtered by the filter
Into the steam turbine.
Further, the water circulating pump connects at least one reserve pump.
Further, in addition to cooler, the cooler communicate with the steam turbine, and the sealing that steam turbine is exported is weary
Vapour is cooled down and discharged.
Further, the steam turbine is provided with air-introduced machine, and the air-introduced machine collects the sealing exhaust steam of the steam turbine, and
Sealing exhaust steam is delivered to cooler.
Further, the cooler is gland-sealing cooler, and the cooler is provided with cooling body, the cooling body
The sealing exhaust steam is cooled down.
Further, the cooling body is circulating water pipework, and the circulating water pipework provides close described in cooling water cooling
Exhaust steam is sealed, and collects the sealing exhaust steam after cooling and discharges.
Further, low pressure and steam valve are provided with the steam outlet pipe line of the steam turbine.
Further, it is respectively provided with peace between the temperature-decreased pressure reducer both sides, and/or the steam turbine and low pressure and steam valve
Full valve.
The Circulating Pump System that the utility model embodiment provides, has the advantages that:
By the technical solution of the utility model, high steam is being carried out to depressurize the low pressure steaming for becoming suitable for user and using
While vapour, moreover it is possible to make full use of the energy during steam pressure-reducing, the heat energy of steam is converted into mechanical energy drives recirculated water
Pump work, the waste of steam energy is avoided, is economized on resources.
In addition, in order to ensure the normal operation of water pump, water circulating pump connects at least one reserve pump.When water circulating pump
Power can not meet demand when, start reserve pump so that ensure user can normal use, ensure that the stabilization of water circulating pump
Property.
Brief description of the drawings
The accompanying drawing of a part for constitution instruction describes embodiment of the present utility model, and is used for together with description
Explain principle of the present utility model.
Referring to the drawings, according to following detailed description, the utility model can be more clearly understood, wherein:
Fig. 1 is the structural representation of the Circulating Pump System of the utility model embodiment.
Description of reference numerals:
1 temperature-decreased pressure reducer, 2 steam turbines, 21 low pressure and steam valve, 3 water circulating pumps, 4 filters, 5 coolers, 51 circulating water pipes
Line, 6 safety valves.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that:It is unless another
Illustrate outside, the positioned opposite of the part otherwise illustrated in these embodiments, numerical expression and unlimited this reality of system of numerical value
With new scope.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology, method and system known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and system should be considered as part for specification.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 is the structural representation of the Circulating Pump System of the utility model embodiment.
As shown in figure 1, Circulating Pump System of the present utility model, including:Temperature-decreased pressure reducer 1, steam turbine 2 and water circulating pump
3, steam turbine 2 is in parallel with the temperature-decreased pressure reducer 1 that can be automatically controlled, and water circulating pump 3 is arranged on steam turbine 2, steam turbine 2
The steam outlet pipe line of steam outlet pipe line and temperature-decreased pressure reducer 1 crosses.
Pass through above-mentioned technical proposal, in order to make full use of the energy of steam to install the vapour in parallel with temperature-decreased pressure reducer 1
Turbine 2, such 1.6MPa steam from pipeline enter steam turbine 2 after steam turbine 2 heat energy of steam will be converted into mechanical energy
Drive water circulating pump 3 to work, qualified recirculated water is pumped with for users to use using water circulating pump 3.Steam after releasing energy
0.4MPa is changed into from 1.6MPa pressure, and then the 0.4MPa steam used for meeting user is conveyed to each user.So, exist
While high steam carried out into decompression becoming suitable for the low-pressure steam that user uses, moreover it is possible to during making full use of steam pressure-reducing
Energy, the heat energy of steam is converted into mechanical energy and drives water circulating pump 3 to work, the waste of steam energy is avoided, saves money
Source.
In addition, temperature-decreased pressure reducer 1 is arranged to automatically control, when pressure occurs in the low-pressure steam exported by steam turbine 2
During the situation of deficiency or hypertonia, start temperature-decreased pressure reducer 1, the pressure for the output steam that automatically adjusts, make the steaming of output
Steam pressure is in range of normal value, this ensure that the stability of the pressure of output steam.
In order to ensure the purity of steam, the in-line filter 4 on the steam inlet pipe line of steam turbine 2, steam passes through the mistake of filter 4
Enter steam turbine 2 after filter.When so steam enters filter 4, filter 4 can by steam impurity remove, prevent impurity to
The system of water circulating pump 3 causes damage, and influences the normal use of user.
In order to ensure the normal operation of water pump, water circulating pump 3 connects at least one reserve pump.When moving for water circulating pump 3
Power can not meet demand when, start reserve pump so that ensure user can normal use, the quantity of reserve pump can basis
It is actually needed and is voluntarily set.One regulating system, the regulating system and water circulating pump 3 and each reserve pump phase are set
Even, the regulating system according to the power size of water circulating pump 3, can be adjusted and control the startup quantity of reserve pump and open
Dynamic order, allows users to normal use, ensure that the stability of water circulating pump 3.
Circulating Pump System of the present utility model also includes cooler 5, and cooler 5 communicates with steam turbine 2, by steam turbine 2
The sealing exhaust steam of output is cooled down and discharged.
Pass through above-mentioned technical proposal, steam become exhaust steam after calorific potential can be discharged, now exhaust steam temperature is higher, is
Prevent high temperature exhaust steam to be expelled directly out and caused by infringement, exhaust steam is discharged again after using cooler 5, exhaust steam is cooled down.
In order to preferably collect exhaust steam, air-introduced machine is provided with steam turbine 2, air-introduced machine collects the sealing of steam turbine 2
Exhaust steam, and sealing exhaust steam is delivered to cooler 5.
Cooler 5 is provided with cooling body, and cooling body cools down to sealing exhaust steam.
When cooler 5 is gland-sealing cooler, cooling body is circulating water pipework 51, and circulating water pipework 51 provides cooling
Water cooling seals exhaust steam, and collects the sealing exhaust steam after cooling and discharge.
Pass through above-mentioned technical proposal, the circulating water pipework 51 have two, a back with water inlet line, a water outlet pipeline, cold water
Enter gland-sealing cooler from back with water inlet line, discharged after exhaust steam is cooled down, this type of cooling is simple in construction, easy for installation.
Low pressure and steam valve 21 are provided with the steam outlet pipe line of steam turbine 2.User can adjust the timing steam gate of steam turbine 2,
And then the revolution of water circulating pump 3 is controlled, water circulating pump 3 is sent out the recirculated water of required parameter;1.6MPa steam through steam turbine 2
Programming becomes 0.45MPa steam, enters low-pressure steam and steam valve from the outlet of steam turbine 2, low-pressure steam pipeline is incorporated to, for user
Use.
Because high pressure or the pressure of low-pressure steam by user's service condition, the consumption steam situation of steam turbine 2 and can subtract
The joint effect of the running situation of temperature-decreased pressure reducer 1, in order to ensure the safety of production process, in the both sides of temperature-decreased pressure reducer 1, and/or vapour
Safety valve 6 is respectively provided between turbine 2 and low pressure and steam valve 21.
Pass through above-mentioned technical proposal, 1 on high-tension side high-pressure safety valve of temperature-decreased pressure reducer is arranged on, low-pressure side is low-voltage safety
Valve, it is low-pressure safety valve to be arranged between steam turbine 2 and low pressure and steam valve 21, and safety valve 6 detects the steaming of present position respectively
Whether steam pressure is in setting pressure limit, once jump will be opened by breaking down, closes corresponding steam pipeline, and then
The too high or too low influence system operation of steam pressure is avoided the occurrence of, and influences the situation of user's normal use.
In order to prevent the fluctuation of low-pressure line steam pressure, the low-pressure steam that steam turbine 2 is discharged is being incorporated to low pressure steam pipe
Line is to close outer air bleeding valve with caution, observes the low-pressure steam pressure changing of steam turbine 2, and slowly open low pressure and steam valve
Door, while pay attention to the situation that the switch of temperature-decreased pressure reducer 1 reduces, steamed in the low pressure for ensureing the high steam of admission end and steam output end
While steam pressure is stable, the safety valve 6 on each pipeline is not opened jump, so both avoided due to the change of each line pressure
Change to influence caused by system, turn avoid safety valve 6 and open to jump makes system risk out of service.
Pass through above-mentioned technical proposal, the same of low-pressure steam that user uses is become suitable for high steam is carried out into decompression
When, moreover it is possible to the energy during steam pressure-reducing is made full use of, the heat energy of steam is converted into mechanical energy drives water circulating pump work,
The waste of steam energy is avoided, is economized on resources.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and its
The difference of its embodiment, same or analogous part cross-reference between each embodiment.
Description of the present utility model provides for the sake of example and description, and is not exhaustively or by originally
Utility model is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.
Selection and description embodiment are to more preferably illustrate principle and practical application of the present utility model, and make the common skill of this area
Art personnel it will be appreciated that the utility model so as to designing the various embodiments with various modifications suitable for special-purpose.
Claims (9)
- A kind of 1. Circulating Pump System, it is characterised in that including:Temperature-decreased pressure reducer (1), steam turbine (2) and water circulating pump (3), The steam turbine (2) is in parallel with the temperature-decreased pressure reducer (1) that can be automatically controlled, and the water circulating pump (3) is arranged on the steamer On machine (2), the steam outlet pipe line of the steam outlet pipe line and the temperature-decreased pressure reducer (1) of the steam turbine (2) crosses.
- 2. Circulating Pump System according to claim 1, it is characterised in that on the steam inlet pipe line of the steam turbine (2) In-line filter (4), steam enter the steam turbine (2) after being filtered by the filter (4).
- 3. Circulating Pump System according to claim 1 or 2, it is characterised in that water circulating pump (3) connection at least one Individual reserve pump.
- 4. Circulating Pump System according to claim 1, it is characterised in that also including cooler (5), the cooler (5) communicated with the steam turbine (2), the sealing exhaust steam that steam turbine (2) exports is cooled down and discharged.
- 5. Circulating Pump System according to claim 4, it is characterised in that the steam turbine (2) is provided with air-introduced machine, institute The sealing exhaust steam that air-introduced machine collects the steam turbine (2) is stated, and sealing exhaust steam is delivered to cooler (5).
- 6. Circulating Pump System according to claim 5, it is characterised in that the cooler (5) is provided with cooling body, The cooling body cools down to the sealing exhaust steam.
- 7. Circulating Pump System according to claim 6, it is characterised in that the cooler (5) is gland-sealing cooler, institute It is circulating water pipework (51) to state cooling body, and the circulating water pipework (51) provides and seals exhaust steam described in cooling water cooling, and receives Collect the sealing exhaust steam after cooling and discharge.
- 8. Circulating Pump System according to claim 1, it is characterised in that on the steam outlet pipe line of the steam turbine (2) Provided with low pressure and steam valve (21).
- 9. Circulating Pump System according to claim 8, it is characterised in that in the temperature-decreased pressure reducer (1) both sides, and/ Or it is respectively provided with safety valve (6) between the steam turbine (2) and low pressure and steam valve (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720917857.9U CN207111191U (en) | 2017-07-26 | 2017-07-26 | A kind of Circulating Pump System |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720917857.9U CN207111191U (en) | 2017-07-26 | 2017-07-26 | A kind of Circulating Pump System |
Publications (1)
Publication Number | Publication Date |
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CN207111191U true CN207111191U (en) | 2018-03-16 |
Family
ID=61571888
Family Applications (1)
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CN201720917857.9U Expired - Fee Related CN207111191U (en) | 2017-07-26 | 2017-07-26 | A kind of Circulating Pump System |
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CN (1) | CN207111191U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112556313A (en) * | 2020-12-28 | 2021-03-26 | 镇江市恒利低温技术有限公司 | Heat supply and air separation system utilizing high-temperature and high-pressure steam and application method thereof |
CN112556312A (en) * | 2020-12-12 | 2021-03-26 | 镇江市恒利低温技术有限公司 | Steam-driven air separation method and steam T-stage utilization system for same |
-
2017
- 2017-07-26 CN CN201720917857.9U patent/CN207111191U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112556312A (en) * | 2020-12-12 | 2021-03-26 | 镇江市恒利低温技术有限公司 | Steam-driven air separation method and steam T-stage utilization system for same |
CN112556313A (en) * | 2020-12-28 | 2021-03-26 | 镇江市恒利低温技术有限公司 | Heat supply and air separation system utilizing high-temperature and high-pressure steam and application method thereof |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20190726 |