CN208473941U - A kind of heat supply cooling system - Google Patents
A kind of heat supply cooling system Download PDFInfo
- Publication number
- CN208473941U CN208473941U CN201820980225.1U CN201820980225U CN208473941U CN 208473941 U CN208473941 U CN 208473941U CN 201820980225 U CN201820980225 U CN 201820980225U CN 208473941 U CN208473941 U CN 208473941U
- Authority
- CN
- China
- Prior art keywords
- pipe
- temperature
- steam
- valve
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model provides a kind of heat supply cooling system, including boiler, the steam (vapor) outlet of boiler is connected to multistage steam turbine generator pipeline, the outlet of 1 level segment of multistage steam turbine generator is connected to the steam inlet duct of temperature-decreased pressure reducer again, the exhanst gas outlet of boiler is connected to waste-heat recovery device, waste-heat recovery device includes low-level (stack-gas) economizer, going out on water manifold for low-level (stack-gas) economizer is communicated with first pipe, first pipe is connected to flow regulator again, flow regulator is connected to the desuperheat water inlet of temperature-decreased pressure reducer again, and inlet valve is provided in first pipe.The yield that the utility model not only produces low temperature and low pressure steam is high, while also having the advantages that energy conservation.
Description
Technical field
The utility model relates to a kind of heat supply cooling systems.
Background technique
In modern industry, many enterprises's (i.e. " heat user ") need to heat production product with steam, wherein industrial park
Central heating can save the loss of fuel, and the heat-supplying mode that country advocates.This heat-supplying mode is supplied to heat user
It is: pressure 0.8-1.0MPa, the low temperature and low pressure steam that temperature is 170-180 DEG C.Currently, the source master of the low temperature and low pressure steam
If: it is reduced to the pressure of steam, temperature respectively after steam turbine power generation does work the steam that boiler combustion generates
0.981MPa, 300 DEG C, then it is 0.8-1.0MPa, temperature 170- that its pressure and temperature is down to pressure again through temperature-decreased pressure reducer
180 DEG C of low temperature and low pressure steam, supply heat user use.And existing temperature-decreased pressure reducer is usually by the deaerated water in oxygen-eliminating device
The desuperheating water of (pressure 0.8-1.0MPa, temperature are 100 DEG C~104 DEG C) as temperature-decreased pressure reducer, the storage zones of oxygen-eliminating device
It is communicated with outlet pipe on the side wall at place, which is connected to feed pump again, and feed pump passes through pipeline and temperature-decreased pressure reducer again
The connection of desuperheat water inlet, is mixed to form with the high-temperature steam in temperature-decreased pressure reducer into the desuperheating water in temperature-decreased pressure reducer and mixes steaming
Vapour, the mixed vapour are are as follows: the low temperature and low pressure steam that pressure 0.8-1.0MPa, temperature are 170-180 DEG C.But due to removing
The temperature of deaerated water in oxygen device is lower, and deoxygenation water required for being cooled down to the high-temperature steam to predetermined amount is relatively
It is few, so as to cause temperature-decreased pressure reducer in the unit time the mixed vapour that is formed of desuperheating water (i.e. deaerated water) and high-temperature steam compared with
Few, i.e. the yield of low temperature and low pressure steam is lower.
Summary of the invention
The utility model is intended to provide a kind of heat supply cooling system, which not only produces low temperature and low pressure steam yield height, together
When also have the advantages that energy conservation.
A kind of heat supply cooling system, including boiler, the steam (vapor) outlet of boiler is connected to multistage steam turbine generator pipeline, multistage
The outlet of 1 level segment of steam turbine generator is connected to the steam inlet duct of temperature-decreased pressure reducer again, the exhanst gas outlet and waste heat of boiler
Recyclable device connection, waste-heat recovery device include low-level (stack-gas) economizer, and going out on water manifold for low-level (stack-gas) economizer is communicated with first pipe,
First pipe is connected to flow regulator again, and flow regulator is connected to the desuperheat water inlet of temperature-decreased pressure reducer again, and first
Inlet valve is provided on pipeline.
The heat supply cooling system of the utility model, which is used from low-level (stack-gas) economizer, goes out the pressure that water manifold comes out for the left side 6 MPa
Desuperheating water of the steam that right, temperature is 250 DEG C as temperature-decreased pressure reducer is 0.8- due to being transformed into pressure after desuperheating water decompression
1.0MPa, temperature are 160~180 DEG C of steam, and the temperature of the desuperheat water vapour is higher, to the high-temperature steam to predetermined amount into
Desuperheating water quantity of steam required for row cools down is big, and the yield of low temperature and low pressure steam is also high, increases heat capacity, reduces heat waste
Consumption, improves economical effect of heat-supply.Meanwhile increasing the feedwater flow for going out water manifold and entire waste heat recycling dress of low-level (stack-gas) economizer
The heat exchange set, while the exhaust gas temperature of boiler is also reduced, reduce heat loss due to exhaust gas, protection generates flue gas for filtering boiler
Bag filter cloth bag safety, play the role of for boiler safety, stable operation good.
Another inlet valve is set again in the first pipe between the inlet valve and flow regulator.Due to being saved from low temperature
The steam pressure that water manifold comes out out of coal device is higher, if two inlet valves can be protected when the valve in downstream and equipment fault are overhauled
Card steam can be truncated completely.
The flow regulator includes the first manual tune being set in turn in first pipe along steam circulating direction
Valve, electric control valve and the second manual modulation valve are saved, is also communicated with second in the first pipe of first manual regulating valve entrance side
Pipeline, the other end of second pipe is connected to the desuperheat water inlet of reducing-and-cooling plant again, and third is provided on second pipe
Manual modulation valve.In the course of work, first manual regulating valve, electric control valve and the second manual modulation valve are opened, is closed third
Manual modulation valve, can be as desired by the flow of motorized adjustment valve regulation desuperheating water；And when electric control valve failure, it closes
First manual regulating valve and the second manual modulation valve are opened third manual modulation valve, are subtracted by third manual modulation valve to adjust
The flow of warm water.
The temperature-decreased pressure reducer steam (vapor) outlet is connected to the heating system in chicken manure power plant.At this point, temperature-decreased pressure reducer is produced
Raw low temperature and low pressure steam can supply heat user-chicken manure power plant and use.
Detailed description of the invention
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
The embodiments of the present invention is illustrated now in conjunction with attached drawing:
As described in Figure 1, a kind of heat supply cooling system, including boiler 10, the steam (vapor) outlet 11 of boiler 10 and multistage steamer are sent out
The connection of 20 pipeline of motor, the outlet 21 of 1 level segment of multistage steam turbine generator 20 are managed with the steam inlet 31 of temperature-decreased pressure reducer 30 again
Road connection, the exhanst gas outlet 12 of boiler 10 are connected to waste-heat recovery device 40, and waste-heat recovery device 40 includes low-level (stack-gas) economizer 45,
Going out on water manifold for low-level (stack-gas) economizer 45 is communicated with first pipe 50, and first pipe 50 is connected to flow regulator 60 again, stream
Quantity regulating device 60 is connected to the desuperheat water inlet 32 of temperature-decreased pressure reducer 30 again, and inlet valve 51 is provided in first pipe 50.
The waste-heat recovery device 40 is existing equipment, and structure is usual are as follows: including connecting along flue gas circulating direction sequence
High-temperature economizer 41, high temperature superheater 42, low temperature superheater 43, intermediate economizer 44 and the low-level (stack-gas) economizer 45(of logical setting are such as
Shown in Fig. 1), from low-level (stack-gas) economizer 45 go out water manifold come out steam pressure be 6 MPa or so, the steaming that temperature is 250 DEG C
Vapour.During the work time, the steam that boiler 10 generates is through the acting decrease temperature and pressure of steam turbine generator 20, from the pressure of steam turbine generator 20
The steam that the outlet 21 of power grade level-one comes out is 0.981 MPa of pressure, 300 DEG C of temperature of high-temperature steam, is then subtracted by desuperheat
The steam inlet 31 of depressor 30 enters in temperature-decreased pressure reducer 30.At the same time, the flue gas that boiler 10 generates enters waste heat recycling dress
Set 40 carry out heat exchanges, from low-level (stack-gas) economizer 45 go out water manifold come out be pressure be 6 MPa or so, temperature is 250 DEG C
Steam opens the inlet valve 51 in first pipe 50, and the steam which is 6 MPa or so, temperature is 250 DEG C is through first pipe
50, first decompression forms the steam that pressure is 0.8-1.0MPa, temperature is 160~180 DEG C after flow regulator 60, then by subtracting
The desuperheat water inlet 32 of temperature-decreased pressure reducer 30 enters in temperature-decreased pressure reducer 30, and with 0.981 MPa of pressure in temperature-decreased pressure reducer, temperature
300 DEG C of high-temperature steam of degree be mixed to form can the pressure that uses of heat supply user be 0.8-1.0MPa, temperature 170-180
DEG C low temperature and low pressure steam.
The heat supply cooling system of the utility model uses from low-level (stack-gas) economizer 45 and goes out the pressure that water manifold comes out for 6
The desuperheating water of MPa or so, the steam that temperature is 250 DEG C as temperature-decreased pressure reducer 30, due to being transformed into pressure after desuperheating water decompression
The steam that power is 0.8-1.0MPa, temperature is 160~180 DEG C, the temperature of the desuperheat water vapour is higher, to the height to predetermined amount
Desuperheating water quantity of steam required for warm steam is cooled down is big, and the low temperature and low pressure steam amount of generation is also big, low temperature and low pressure steam
Yield is also high, increases heat capacity, reduces thermal losses, improves economical effect of heat-supply.Meanwhile increasing low-level (stack-gas) economizer 45
The feedwater flow and entire waste-heat recovery device 40 for going out water manifold heat exchange, while also reducing the exhaust gas temperature of boiler 10,
Reduce heat loss due to exhaust gas, protects the cloth bag safety for generating the bag filter of flue gas for filtering boiler 10, pacify for boiler 10
Entirely, stable operation plays the role of good.
Boiler 10 described in the utility model, steam turbine generator 20, temperature-decreased pressure reducer 30 are existing equipment, right at this
Its specific structure does not repeat them here.
As shown in Figure 1, be arranged again in first pipe 50 between the inlet valve 51 and flow regulator 60 it is another into
Water valve 52.Since the steam pressure that water manifold comes out out from low-level (stack-gas) economizer 45 is higher, if the valve in downstream and equipment fault
When maintenance, two inlet valves (51,52) can guarantee that steam can be truncated completely.
As shown in Figure 1, the flow regulator 60 includes being set in turn in first pipe 50 along steam circulating direction
On first manual regulating valve 61, electric control valve 62 and the second manual modulation valve 63,61 entrance side of first manual regulating valve
Second pipe 80 is also communicated in first pipe 50, desuperheating water of the other end of second pipe 80 again with reducing-and-cooling plant 30 enters
Mouth 32 is connected to, and third manual modulation valve 81 is provided on second pipe 80.In the course of work, first manual regulating valve is opened
61, electric control valve 62 and the second manual modulation valve 63 are closed third manual modulation valve 81, can be as desired by motorized adjustment
The flow of the adjusting desuperheating water of valve 62；And when 62 failure of electric control valve, it closes first manual regulating valve 61 and second and adjusts manually
Valve 63 is saved, third manual modulation valve 81 is opened, the flow of desuperheating water is adjusted by third manual modulation valve 81.
The temperature-decreased pressure reducer steam (vapor) outlet 32 is connected to the heating system 70 in chicken manure power plant.At this point, temperature-decreased pressure reducer
Low temperature and low pressure steam caused by 30 can supply heat user-chicken manure power plant and use.Certainly, caused by temperature-decreased pressure reducer 30
Low temperature and low pressure steam can also be used for other heat users.
Claims (4)
1. a kind of heat supply cooling system, including boiler, the steam (vapor) outlet of boiler is connected to multistage steam turbine generator pipeline, multistage vapour
The outlet of 1 level segment of turbine generator is connected to the steam inlet duct of temperature-decreased pressure reducer again, and the exhanst gas outlet and waste heat of boiler return
Receiving apparatus connection, waste-heat recovery device include low-level (stack-gas) economizer, and going out on water manifold for low-level (stack-gas) economizer is communicated with first pipe,
Be characterized in that: first pipe is connected to flow regulator again, flow regulator again with the desuperheat water inlet of temperature-decreased pressure reducer
It is connected to, is provided with inlet valve in first pipe.
2. a kind of heat supply cooling system according to claim 1, it is characterised in that: the inlet valve and flow regulator
Between first pipe on another inlet valve is set again.
3. a kind of heat supply cooling system according to claim 1, it is characterised in that: the flow regulator includes edge
Steam circulating direction is set in turn in first manual regulating valve, electric control valve and the second manual modulation valve in first pipe,
Also be communicated with second pipe in the first pipe of first manual regulating valve entrance side, the other end of second pipe again with pressure and temperature reducing
The desuperheat water inlet of device is connected to, and third manual modulation valve is provided on second pipe.
4. a kind of heat supply cooling system according to claim 1, it is characterised in that: the temperature-decreased pressure reducer steam (vapor) outlet with
The heating system in chicken manure power plant is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820980225.1U CN208473941U (en) | 2018-06-25 | 2018-06-25 | A kind of heat supply cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820980225.1U CN208473941U (en) | 2018-06-25 | 2018-06-25 | A kind of heat supply cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208473941U true CN208473941U (en) | 2019-02-05 |
Family
ID=65214889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820980225.1U Active CN208473941U (en) | 2018-06-25 | 2018-06-25 | A kind of heat supply cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208473941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682827A (en) * | 2021-01-11 | 2021-04-20 | 北京京诚科林环保科技有限公司 | Coal gas power generation double-desuperheating water heating system and method |
-
2018
- 2018-06-25 CN CN201820980225.1U patent/CN208473941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682827A (en) * | 2021-01-11 | 2021-04-20 | 北京京诚科林环保科技有限公司 | Coal gas power generation double-desuperheating water heating system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206267896U (en) | Combined cycle two-shipper condensing-back pressure formula is drawn gas cogeneration system | |
| CN106194297A (en) | The double branch road heating system of a kind of cogeneration turbine | |
| CN104763485B (en) | A kind of concurrent heating type ultrahigh pressure/subcritical back pressure thermal power plant unit thermodynamic system | |
| CN105697075A (en) | Extraction condensing heat supply system additionally provided with non-reheat medium-pressure steam turbine | |
| CN108361086A (en) | A kind of energy saving thermoelectricity decoupled system and operation method | |
| CN107060916A (en) | Cogeneration units depth peak regulation system and method are improved using regenerative apparatus heat supply | |
| CN207813667U (en) | Low pressure cylinder cooling system based on different steam ports | |
| CN112856363B (en) | System and method for improving heat supply steam parameters of deep peak shaving heat supply unit | |
| CN106499455A (en) | Combined-cycle power plant's soda pop backheat and fuel heating integrated put forward effect system | |
| CN104533554B (en) | A kind of new and effective water supply heat back system for single reheat unit | |
| CN205480920U (en) | System for power station unit auxiliary steam header utilizes local boiler to supply vapour | |
| CN208473941U (en) | A kind of heat supply cooling system | |
| CN104456519B (en) | A kind of new and effective water supply heat back system for double reheat power generation sets | |
| CN207701181U (en) | A kind of thermoelectricity decoupled system | |
| CN206190339U (en) | Two branch road heating system of cogeneration steam turbine | |
| CN112065520A (en) | Cold and hot re-cooperative steam supply system and method | |
| CN106246251A (en) | Combined cycle thermoelectric co-feeding system and height thereof arrange control method of drawing gas | |
| CN215259733U (en) | Dry-wet state undisturbed switching system suitable for supercritical unit under deep peak regulation state | |
| CN109099498A (en) | It is a kind of to couple the technique and method for generating thermoelectricity decoupling by coal dust firing flue gas shunting | |
| CN212537810U (en) | Low-pressure superheater system of waste heat boiler | |
| CN213450529U (en) | Multi-source stable industrial steam supply system with reliability and economy | |
| CN210485839U (en) | Heat supply system | |
| CN203717050U (en) | Heat supply device high in heat supply reliability | |
| CN112082147A (en) | Low-pressure superheater system of waste heat boiler | |
| CN206724131U (en) | A kind of extraction for heat supply electric power station system of the decoupling of thermoelectricity completely |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 353499 No. 12-4 Wanxin Road, Wan'an Township, Pucheng County, Nanping City, Fujian Province Patentee after: Fujian Shengxin environmental protection Co., Ltd Address before: Nanping City, Fujian province 353400 maxima Pucheng County Hengshan Road No. 12 (Agricultural Station on the third floor) Patentee before: FUJIAN SHENGXIN ENERGY Co.,Ltd. |