CN206386911U - A kind of chemical water heating system - Google Patents
A kind of chemical water heating system Download PDFInfo
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- CN206386911U CN206386911U CN201621373564.0U CN201621373564U CN206386911U CN 206386911 U CN206386911 U CN 206386911U CN 201621373564 U CN201621373564 U CN 201621373564U CN 206386911 U CN206386911 U CN 206386911U
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- water
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Abstract
The utility model discloses a kind of chemical water heating system, add the system of chemical water using combustion turbine exhaustion waste heat, including heat exchanger, circulation loop, heat-exchanging loop and economizer, circulation loop and economizer connection, circulating water power device, stand-by power unit, a regulating valve and heat exchanger are all connected with circulation loop, heat-exchanging loop connection heat exchanger, the utility model is using combustion turbine exhaustion waste heat come heating chemical water, it is simple in construction, it is easy to maintenance, improve energy utilization rate.
Description
Technical field
The utility model belongs to engineering equipment field, particularly a kind of chemical water heating system.
Background technology
Currently, with national environmental protection discharge it is increasingly strict, conventional fossil fuel is constantly challenged, and consumption, which increases, to be put
Slow, the share of clean energy resource gradually rises, and obtains more and more widely paying close attention to and applying, natural gas as a kind of clean energy resource,
Development energetically has also been obtained in the prevailing power industry of fossil fuel.Gas-steam combined cycle system is used as height
Effect is used widely using the electricity generation system of natural gas.Gas-steam combined circulating generation unit is equipped with waste heat boiler, waste heat
Boiler needs regular moisturizing, and moisturizing temperature is typically not less than 15 DEG C, and water temperature in winter is relatively low, it is necessary to using steam heating or other classes
The mode of heating of type improves moisturizing temperature, and above-mentioned mode of heating can easily cause high-quality heat waste and more be saved, it is necessary to find other
Can mode carry out heating chemical moisturizing, there is presently no using gas turbine smoke discharging residual heat come the technology of heating chemical moisturizing.
Utility model content
The purpose of this utility model is, by setting heat exchanger, economizer and circulation loop, to be collected and discharged fume using economizer
Waste heat, chemical water is passed to by circulating water heating, utilizes a kind of chemical water heating system of recovering energy source.
In order to solve the above problems, the utility model proposes a kind of chemical water heating system.
The technical scheme that the utility model is used is：
A kind of chemical water heating system, including the economizer being connected with boiler, in addition to:
Circulation loop, the circulation loop connection economizer and steam turbine heating tube, circulation loop includes circulating water power
1 is connected after device, No. 1 regulating valve and heat exchanger, circulating water power device connection economizer delivery port, circulating water power device
Connection economizer water inlet after heat exchanger and steam turbine heating tube, heat exchanger is connected in parallel after number regulating valve, No. 1 regulating valve
Mouthful, No. 2 regulating valves are provided between steam turbine heating tube and No. 1 regulating valve；
Heat-exchanging loop, the heat-exchanging loop connects heat exchanger, including chemical water water inlet pipe, No. 3 regulating valves and chemical water go out
Water pipe, chemical water water inlet pipe connection heat exchanger, heat exchanger connects No. 3 regulating valves, and No. 3 regulating valves connect chemical water outlet pipe.Pot
The water in hot gas heating heat exchanger in stove, circulation loop is drawn into through circulating water power device, by the heat of boiler exhaust gas
Further utilize, subsequent hot water flows through heat exchanger, chemical water transferred heat to by heat exchanger, complete the heating of chemical water,
Simultaneously using governor valve control hot water and chemical water-carrying capacity, and then heat exchange amount is controlled, when boiler exhaust gas shortage of heat, still may be used
Pass through steam turbine heat supply.
It is preferred that, in addition to construct identical stand-by power unit, the stand-by power unit with circulating water power device
It is connected in parallel, when power set can not be used and needed repairing, can be quickly switched into standby dynamic with circulating water power device
Power apparatus, whole heat-exchange system will not be impacted because of the switching of power set, is easy to staff to carry out maintaining.
It is preferred that, the circulating water power device includes No. 1 valve, No. 1 circulating pump and No. 2 valves, and No. 1 valve connection is saved
No. 2 valves of connection after No. 1 circulating pump, No. 1 circulating pump are connected after coal device delivery port, No. 1 valve, circulating pump is for being located at
Water in circulation loop provides power, the water in whole loop is in flow regime, the efficiency of heat exchange is improved, while circulating pump
The valve at two ends can isolate circulating pump from loop, be easy to staff to operate.
It is preferred that, in addition to circulation water supply tube, ultrafiltration intake pump and chemical polishing unit, the recirculated water supply
Pipe is connected with circulation loop, and between heat exchanger and economizer water inlet, chemical water water inlet pipe is provided with ultrafiltration intake pump, is changed
Learn water outlet pipe and be provided with chemical polishing unit, recirculated water supply pipe is used for the recirculated water lost in replenishment cycles loop,
Ensure that heat exchange efficiency is stable；Ultrafiltration intake pump and chemical polishing unit are used for further to needing the chemical water of heating to carry out
Processing, is easy to use chemical water.
The utility model compared with the existing technology has advantages below and effect：
1st, the utility model collects smoke discharging residual heat by setting heat exchanger, economizer and circulation loop using economizer, leads to
Cross circulating water heating and pass to chemical water, the chemical water in waste heat boiler is heated using the heat energy wasted in flue gas, improve the energy
Utilization rate, reduces energy waste, reduces production cost.
2nd, the utility model sets spare circulating pump and recirculated water supply pipeline, it is ensured that circulation loop is running into emergency
When, it can also maintain identical heat exchange；Ultrafiltration intake pump and chemical polishing unit in heat-exchanging loop can make chemical water
It is easy to use.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Label declaration：
Economizer 1；No. 1 valve 2；No. 1 circulating pump 3；
No. 2 valves 4；No. 3 valves 5；No. 2 circulating pumps 6；
No. 4 valves 7；No. 1 regulating valve 8；No. 2 regulating valves 9；
No. 3 regulating valves 10；Heat exchanger 11.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Embodiment 1：As shown in figure 1, a kind of chemical water heating system, including economizer 1, circulation loop and heat-exchanging loop.
Circulation loop connects economizer 1 and steam turbine heating tube, and circulation loop includes No. 1 valve 2, No. 1 circulating pump 3, No. 2 valves 4,3
Number valve 5, No. 2 circulating pumps 6, No. 4 valves 7, No. 1 regulating valve 8, No. 2 regulating valves 9, heat exchanger 11, steam turbine heating tube and circulation
Water supply tube, circulating water power pump is constituted by No. 1 valve 2, No. 1 circulating pump 3 and No. 2 valves 4, by No. 3 valves 5, No. 2 circulating pumps
6 and No. 4 valves 7 constitute stand-by power pump, and circulating water power pump is connected circulation loop with stand-by power parallel connection of pumps, and No. 1 valve 2 connects
Connection 4, No. 3 valves 5 of No. 2 valves connect after connecing No. 1 circulating pump of connection after the delivery port of economizer 1, No. 1 valve, No. 1 circulating pump
Connect after connecting after the delivery port of economizer 1, No. 3 valves and connecting No. 4 valves 7, kinetic pump after No. 2 circulating pumps, No. 2 circulating pumps
Connection after heat exchanger 11 and steam turbine heating tube, heat exchanger 11 is connected in parallel after connection 8, No. 1 regulating valve 8 of No. 1 regulating valve
The water inlet of economizer 1, is provided with No. 2 regulating valves 9 between steam turbine heating tube and No. 1 regulating valve 8；Heat-exchanging loop connects heat exchanger
11, including chemical water water inlet pipe, No. 3 regulating valves 10 and chemical water outlet pipe, chemical water water inlet pipe connection heat exchanger 11, heat exchanger
The 11 connection chemical water outlet pipes of regulating valve 10 of regulating valve 10,3 of connection 3, chemical water water inlet pipe is provided with ultrafiltration intake pump, changed
Learn water outlet pipe and be provided with chemical polishing unit.
During work, Combustion engine tail gas is passed through in economizer 1, the water for transferring heat to circulation loop, and water is in power pumping action
Under flow through heat exchanger 11, the heat transfer that heat exchanger 11 passes through heats the chemical water in heat-exchanging loop.No. 1 regulating valve 8 is followed for control
The flow of loop back path；No. 2 regulating valves 9 are used for the flow for controlling steam turbine heating tube；No. 3 regulating valves 10 are used to control heat-exchanging loop
Flow, pass through flow control heat exchange heat.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. a kind of chemical water heating system, including the economizer being connected with boiler, it is characterised in that also include:
Circulation loop, circulation loop connection economizer and steam turbine heating tube, circulation loop include circulating water power device,
No. 1 tune of connection after No. 1 regulating valve and heat exchanger, circulating water power device connection economizer delivery port, circulating water power device
Connection economizer water inlet, vapour after heat exchanger and steam turbine heating tube, heat exchanger are connected in parallel after section valve, No. 1 regulating valve
No. 2 regulating valves are provided between turbine heating tube and No. 1 regulating valve；
Heat-exchanging loop, the heat-exchanging loop connects heat exchanger, including chemical water water inlet pipe, No. 3 regulating valves and chemical water outlet pipe,
Chemical water water inlet pipe connects heat exchanger, and heat exchanger connects No. 3 regulating valves, and No. 3 regulating valves connect chemical water outlet pipe.
2. chemical water heating system according to claim 1, it is characterised in that also including being constructed with circulating water power device
Identical stand-by power unit, the stand-by power unit is connected in parallel with circulating water power device.
3. chemical water heating system according to claim 2, it is characterised in that the circulating water power device includes No. 1
Valve, No. 1 circulating pump and No. 2 valves, No. 1 valve connect No. 1 circulating pump, No. 1 after connecting economizer delivery port, No. 1 valve
No. 2 valves are connected after circulating pump.
4. according to any described chemical water heating system of claims 1 to 3, it is characterised in that also including circulation water supply tube,
Ultrafiltration intake pump and chemical polishing unit, the circulation water supply tube is connected with circulation loop, positioned at heat exchanger with saving coal
Between device water inlet, chemical water water inlet pipe is provided with ultrafiltration intake pump, and chemical water outlet pipe is provided with chemical polishing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373564.0U CN206386911U (en) | 2016-12-14 | 2016-12-14 | A kind of chemical water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373564.0U CN206386911U (en) | 2016-12-14 | 2016-12-14 | A kind of chemical water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386911U true CN206386911U (en) | 2017-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621373564.0U Active CN206386911U (en) | 2016-12-14 | 2016-12-14 | A kind of chemical water heating system |
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| Country | Link |
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| CN (1) | CN206386911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063390A (en) * | 2020-09-07 | 2020-12-11 | 广东韶钢松山股份有限公司 | Dry quenching circulating water pipeline backflow system and automatic pressurization method |
-
2016
- 2016-12-14 CN CN201621373564.0U patent/CN206386911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063390A (en) * | 2020-09-07 | 2020-12-11 | 广东韶钢松山股份有限公司 | Dry quenching circulating water pipeline backflow system and automatic pressurization method |
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