CN205878124U - Boiler flue gas residual heat recycling system - Google Patents
Boiler flue gas residual heat recycling system Download PDFInfo
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- CN205878124U CN205878124U CN201620719427.1U CN201620719427U CN205878124U CN 205878124 U CN205878124 U CN 205878124U CN 201620719427 U CN201620719427 U CN 201620719427U CN 205878124 U CN205878124 U CN 205878124U
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- temperature transmitter
- water tank
- residual heat
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Abstract
The utility model provides a boiler flue gas residual heat recycling system, includes softened water tank, energy -saving appliance and control system, the water inlet of energy -saving appliance is connected with water intake pipe, last the 2nd temperature transmitter tube coupling softened water tank on the delivery port warp who is equipped with a solenoid valve and a temperature transmitter, energy -saving appliance along soft water flow path in proper order of water intake pipe, be equipped with the level gauge in the softened water tank, softened water tank's delivery port in proper order through the circulating pump with the entry of a temperature transmitter tube coupling energy -saving appliance, softened water tank's delivery port is still through connecting steam boiler for the water pump pipe way, control system includes the controller, the controller respectively with solenoid valve, a temperature transmitter, the 2nd temperature transmitter, level gauge, circulating pump and water -feeding pump electricity are connected. The utility model discloses degree of automation is high, and equipment long service life, but the remote control of implementation system really accomplish unmanned on duty.
Description
Technical field
This utility model relates to flue gas waste heat recovery technical field, particularly a kind of residual heat from boiler fume recovery system.
Background technology
Energy-saving and emission-reduction are all being advocated in the whole world now, and international and domestic enterprise is all being cleaned production, reduces resource wave
Take, improve resource, the utilization rate of the energy.
Existing residual heat from boiler fume way of recycling is typically to arrange outside about about 200 DEG C flue gases of fuel-oil or fuel-gas boiler, outward
Economizer is set on flue gas exhaust pipeline, in the softening water in softened water tank is pumped into economizer by boiler replenishing water pump and between flue gas carries out
Connect heat exchange, after heat exchange, enter boiler again;After flue gas and softening water heat exchange, flue-gas temperature reduces, and softens coolant-temperature gage and raises, softening water suction
Receive the heat energy in flue gas.It is typically provided with temperature display meter on smoke entrance pipeline and softening water entrance pipeline.So
And this way of recycling is primarily present following shortcoming: (1) automaticity is low, it is impossible to realize the Automatic Control of system, and
Unmanned cannot be accomplished;(2) phase in service life of equipment is short, substantially there will be the phenomenon of seriously corroded after using 5 years;(3)
Flue gas waste heat recovery system can not realize data acquisition and the Internet+function.
Utility model content
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art to provide a kind of automaticity high, and equipment makes
Use the life-span long, remote controlled residual heat from boiler fume recovery system.
The technical solution of the utility model is: a kind of residual heat from boiler fume recovery system, including softened water tank, energy-saving appliance and control
System processed, the water inlet of energy-saving appliance connects inlet pipeline, on inlet pipeline along soft water flow path be sequentially provided with electromagnetic valve and
First temperature transmitter, the outlet of energy-saving appliance connects softened water tank through the second temperature transmitter pipeline;Liquid level it is provided with in softened water tank
Meter;The outlet of softened water tank connects the entrance of energy-saving appliance successively through circulating pump and described first temperature transmitter pipeline;Softened water tank
Outlet also through feed pump pipeline connect steam boiler;Described control system includes controller, controller respectively with described electricity
Magnet valve, the first temperature transmitter, the second temperature transmitter, liquidometer, circulating pump and feed pump electrical connection.
Further, described inlet pipeline is additionally provided with the first Pressure gauge, filter, hot water gauge and the first thermometer, described
Soft water enters energy-conservation through the first Pressure gauge, filter, hot water gauge, electromagnetic valve, the first thermometer and the first temperature transmitter successively
Device.
Further, the both sides of described electromagnetic valve are additionally provided with the first stop valve and the second stop valve, and described soft water is successively through
One Pressure gauge, the first stop valve, filter, hot water gauge, electromagnetic valve, the second stop valve, the first thermometer and the first temperature pick-up
Device enters energy-saving appliance.
Further, the outlet of described softened water tank successively through the 3rd stop valve, described circulating pump, the first check-valves, the 4th
Stop valve, the second Pressure gauge, described first thermometer and described first temperature transmitter pipeline connect the entrance of energy-saving appliance.
Further, the outlet of described energy-saving appliance connects softened water tank through the second temperature transmitter and the second thermometer pipeline.
Further, the outlet of described softened water tank successively through the 5th stop valve, the 6th stop valve, described feed pump, second
Check-valves and the 7th stop valve pipeline connect the water inlet of steam boiler.
Further, gas outlet the 3rd temperature transmitter pipeline of described steam boiler connects the air intake of energy-saving appliance, institute
The gas outlet pipeline stating energy-saving appliance is provided with the 4th temperature transmitter, and described 3rd temperature transmitter and the 4th temperature transmitter divide
It is not electrically connected with the controller.
Further, the outfan of described controller also electrically connects display.
Further, described controller is connected to server through router-module, then enters with remote terminal through described server
Row communication.
Further, described energy-saving appliance is provided with heat energy meter, and heat energy meter connects the input of controller.
The beneficial effects of the utility model:
(1) by controller, display, server and the inter-working of remote terminal, it is achieved the Automatic Control of system
Run, by analysis and the statistics of data, really realize unmanned;
(2) data acquisitions such as flue-gas temperature, water temperature, discharge, heat energy, monitor supervision platform logarithm can be realized by control system
According to carrying out recording, add up, analyzing, exception once occurs, data can be analyzed, find that heat exchange efficiency declines or other
Problems etc., can be instructed repair and replacement and data be shown by display screen;
(3) energy-saving appliance is installed in steam boiler exit, is used for heating soft water and enters boiler, be greatly saved heat.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, this utility model is described in further details.
As shown in Figure 1: a kind of residual heat from boiler fume recovery system, including softened water tank 1, energy-saving appliance 2 and control system, energy-conservation
The water inlet of device 2 connects inlet pipeline 21, and inlet pipeline 21 is sequentially provided with electromagnetic valve 5 and the first temperature along soft water flow path
Degree transmitter T1, the outlet of energy-saving appliance 2 connects softened water tank 1 through the second temperature transmitter T2 and the second thermometer E2 pipeline;Soft
Liquidometer 9 it is provided with in water tank 1;The outlet of softened water tank 1 connects energy-conservation through circulating pump 6 and the first temperature transmitter T1 pipeline successively
The entrance of device 2;The outlet of softened water tank 1 also connects steam boiler 8 through feed pump 7 pipeline.
Specifically, inlet pipeline 21 is additionally provided with the first Pressure gauge P1, filter 3, hot water gauge 4 and the first thermometer E1,
Soft water is successively through the first Pressure gauge P1, filter 3, hot water gauge 4, electromagnetic valve the 5, first thermometer E1 and the first temperature transmitter T1
Enter energy-saving appliance 2.Wherein the first Pressure gauge P1 is for detecting the soft water intake pressure on inlet pipeline 21;Filter 3 is used for filtering
Go out the impurity in soft water;Hot water gauge 4 is for measuring the integrated flux of soft water;First thermometer E1 is used for detecting inflow temperature, the
One Pressure gauge P1 and the first thermometer E1 can directly display out force value and temperature value, watches at any time for operator;And first
Temperature transmitter T1 is that the inflow temperature detected is sent to controller, it is impossible to directly display.
Further, the present embodiment is also provided with the first stop valve M1 and the second stop valve M2, soft water in the both sides of electromagnetic valve 5
Successively through the first Pressure gauge P1, the first stop valve M1, filter 3, hot water gauge 4, electromagnetic valve the 5, second stop valve M2, the first temperature
Table E1 and the first temperature transmitter T1 enters energy-saving appliance 2.First stop valve M1 and the second stop valve M2 is easy to electromagnetic valve 5 and hot water
The maintenance of table 4, can end medium when maintenance, replacing electromagnetic valve 5 or hot water gauge 4, it addition, the first stop valve M1 and second cut-off
Valve M2 may also function as regulating the effect of soft water flow of inlet water.
The outlet of softened water tank 1 successively through the 3rd stop valve M3, circulating pump the 6, first check-valves K1, the 4th stop valve M4,
Second Pressure gauge P2, the first thermometer E1 and the first temperature transmitter T1 pipeline connect the entrance of energy-saving appliance 2.Wherein, first only
Return valve K1 to be used for preventing medium from flowing backwards, and prevent circulating pump 6 from inverting.3rd stop valve M3 and the 4th stop valve M4 is easy to circulating pump
The maintenance of 6, and can be additionally used in the water flow of regulation softened water tank 1.Second Pressure gauge P2 is for showing the water outlet pressure of softened water tank 1
Power.
The outlet of softened water tank 1 is the most successively through the 5th stop valve M5, the 6th stop valve M6, feed pump the 7, second check-valves K2
With the water inlet that the 7th stop valve M7 pipeline connects steam boiler 8.Wherein the 5th stop valve M5 is for regulating the water outlet of softened water tank 1
Flow, the 6th stop valve M6 and the maintenance of the 7th stop valve N7 water supply pump 7.
Gas outlet the 3rd temperature transmitter T3 pipeline of steam boiler 8 connects the air intake of energy-saving appliance 2, energy-saving appliance 2
Gas outlet pipeline is provided with the 4th temperature transmitter T4.Wherein, the 3rd temperature transmitter T3 is used for detecting energy-saving appliance 2 smoke inlet
Temperature, the 4th temperature transmitter T4 is for detecting the temperature of energy-saving appliance 2 exhanst gas outlet.Additionally, the gas outlet pipeline of energy-saving appliance 2
On be additionally provided with the 3rd thermometer E3.
Additionally, soft water can also be directly entered softened water tank 1 by the 8th stop valve M8, play the effect of moisturizing, the 8th section
Only valve M8 is used for regulating flow of inlet water.
Energy-saving appliance 2 is provided with heat energy meter, for detecting the instantaneous heat energy in energy-saving appliance 2 and accumulative heat energy.Energy-saving appliance 2 is internal
Critical piece is finned super heat-conductive pipe, additionally includes basic framework, imports and exports flange, flue import and export hemispherical dome, row
Dirty device, maintenance door etc..Critical piece and adnexa all use stainless steel 304 processing and fabricating so that the service life of equipment phase is long.
The control system of the present embodiment includes PLC, server and remote terminal, and the input of PLC divides
Not with the first temperature transmitter T1, the second temperature transmitter T2, the 3rd temperature transmitter T3, the 4th temperature transmitter T4, liquid level
Meter 9 and heat energy meter, the outfan of PLC is respectively with circulating pump 6, feed pump 7, electromagnetic valve 5, display and alarm even
Connect;PLC is connected to server through router-module, then communicates with remote terminal through server.
The router-module of the present embodiment is 4G router, and display is touch screen.PLC itself carry 2 with
Too network interface, display uses the TCP/IP network communication of standard to be connected with PLC, another TCP/ of PLC
IP port is connected with router-module, it is achieved remote data transmission.The data that the present embodiment mainly gathers have: boiler operatiopn is believed
Number, smoke inlet temperature, flue gas exit temperature, soft water inlet temperature, soft water outlet temperature, the instantaneous heat energy of heat energy meter and accumulative heat
Can etc..Two pump housings and the Automatic Control of valve are realized by liquidometer and boiler operatiopn signal;Computational analysis was energy-conservation for the same day
Amount (being converted into mark coal to calculate) and accumulative amount of energy saving;Calculate the energy-saving efficiency of energy-saving appliance, remind attended operation when efficiency declines
Personnel safeguard and clean, and show.The remote terminal of the present embodiment can be computer or smart mobile phone etc., PLC
Controller sends each data come to be carried out adding up, analyze and filing by server, and is issued by network, as used mobile phone
Connection Service device carries out the functions such as data query, and such operator can remotely monitor each collection data, is truly realized unmanned value
Keep.
The operation principle of the present embodiment is: when being in low water level in liquidometer 9 detects softened water tank 1, by PLC
Controlling electromagnetic valve 5 to open, soft water enters energy-saving appliance 2 along inlet pipeline 21, soft water with carry out air-water by the flue gas of energy-saving appliance 2
Heat exchange, enters softened water tank 1 after soft water absorption heat energy, by the soft water outlet temperature of the second temperature transmitter T2 detection energy-saving appliance 2,
And it is sent to PLC;When being in high water level in softened water tank 1, electromagnetic valve 5 cuts out, and circulating pump 6 starts, and circulating pump 6 is by soft
Water in water tank 1 is along Pipeline transport to energy-saving appliance 2, and by the soft water inlet temperature of the first temperature transmitter T1 detection energy-saving appliance 2,
Soft water carries out heat exchange with flue gas in energy-saving appliance 2, and water is by circulating-heating;After flue gas heat exchange, temperature reduces, from going out of energy-saving appliance 2
QI KOU is discharged;Produce in energy-saving appliance 2 condenses water or dirt then by the blowdown apparatus discharge bottom energy-saving appliance 2.Soft water heat exchange
Rear entrance softened water tank 1, the water temperature in softened water tank 1 is stepped up, and the soft water absorbing heat energy is delivered to steam boiler 8 through feed pump 7
Make moisturizing with it can also be used to domestic hot-water or other process waters.When softened water tank 1 hydropenia is reported to the police, open the 8th stop valve M8,
Soft water is directly entered softened water tank 1, then is given boiler replenishing water by feed pump 7.In the present embodiment, once steam boiler igniting runs, and i.e. has
Water flows through energy-saving appliance 2 and carries out heat exchange with flue gas, absorbs the heat energy in flue gas to greatest extent, and fractional energy savings is up to 8%.PLC controls
The each data collected are sent to remote terminal by device through router-module so that operator can remotely monitor each collection number
According to, it is truly realized unmanned.
Claims (10)
1. a residual heat from boiler fume recovery system, it is characterised in that include softened water tank, energy-saving appliance and control system, energy-saving appliance
Water inlet connect have inlet pipeline, inlet pipeline is sequentially provided with electromagnetic valve and the first temperature pick-up along soft water flow path
Device, the outlet of energy-saving appliance connects softened water tank through the second temperature transmitter pipeline;Liquidometer it is provided with in softened water tank;Going out of softened water tank
The mouth of a river connects the entrance of energy-saving appliance successively through circulating pump and described first temperature transmitter pipeline;The outlet of softened water tank is also through giving
Pump tube connects steam boiler;Described control system includes controller, and controller becomes with described electromagnetic valve, the first temperature respectively
Send device, the second temperature transmitter, liquidometer, circulating pump and feed pump electrical connection.
Residual heat from boiler fume recovery system the most according to claim 1, it is characterised in that be additionally provided with on described inlet pipeline
First Pressure gauge, filter, hot water gauge and the first thermometer, described soft water successively through the first Pressure gauge, filter, hot water gauge,
Electromagnetic valve, the first thermometer and the first temperature transmitter enter energy-saving appliance.
Residual heat from boiler fume recovery system the most according to claim 2, it is characterised in that the both sides of described electromagnetic valve also set
Having the first stop valve and the second stop valve, described soft water is successively through the first Pressure gauge, the first stop valve, filter, hot water gauge, electricity
Magnet valve, the second stop valve, the first thermometer and the first temperature transmitter enter energy-saving appliance.
4. according to the residual heat from boiler fume recovery system described in Claims 2 or 3, it is characterised in that the water outlet of described softened water tank
Mouth is successively through the 3rd stop valve, described circulating pump, the first check-valves, the 4th stop valve, the second Pressure gauge, described first thermometer
With the entrance that described first temperature transmitter pipeline connects energy-saving appliance.
5. according to the residual heat from boiler fume recovery system described in claim 1 or 2 or 3, it is characterised in that going out of described energy-saving appliance
The mouth of a river the second temperature transmitter and the second thermometer pipeline connect softened water tank.
6. according to the residual heat from boiler fume recovery system described in claim 1 or 2 or 3, it is characterised in that going out of described softened water tank
The mouth of a river connects steam through the 5th stop valve, the 6th stop valve, described feed pump, the second check-valves and the 7th stop valve pipeline successively
The water inlet of boiler.
7. according to the residual heat from boiler fume recovery system described in claim 1 or 2 or 3, it is characterised in that described steam boiler
Gas outlet the 3rd temperature transmitter pipeline connects the air intake of energy-saving appliance, and the gas outlet pipeline of described energy-saving appliance is provided with the 4th
Temperature transmitter, described 3rd temperature transmitter and the 4th temperature transmitter are electrically connected with the controller respectively.
8. according to the residual heat from boiler fume recovery system described in claim 1 or 2 or 3, it is characterised in that described controller defeated
Go out end and also electrically connect display.
9. according to the residual heat from boiler fume recovery system described in claim 1 or 2 or 3, it is characterised in that described controller pathway
It is connected to server by device module, then communicates with remote terminal through described server.
10. according to the residual heat from boiler fume recovery system described in claim 1 or 2 or 3, it is characterised in that on described energy-saving appliance
Being provided with heat energy meter, heat energy meter connects the input of controller.
Priority Applications (1)
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CN201620719427.1U CN205878124U (en) | 2016-07-11 | 2016-07-11 | Boiler flue gas residual heat recycling system |
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CN201620719427.1U CN205878124U (en) | 2016-07-11 | 2016-07-11 | Boiler flue gas residual heat recycling system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107085406A (en) * | 2017-06-02 | 2017-08-22 | 青岛达能环保设备股份有限公司 | Low-level (stack-gas) economizer remote online monitoring system |
CN108980813A (en) * | 2017-06-02 | 2018-12-11 | 寰慧科技集团有限公司 | A kind of flue gas waste heat recovery apparatus |
CN111174192A (en) * | 2020-01-07 | 2020-05-19 | 西安西科节能技术服务有限公司 | Intelligent gas boiler controller |
-
2016
- 2016-07-11 CN CN201620719427.1U patent/CN205878124U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107085406A (en) * | 2017-06-02 | 2017-08-22 | 青岛达能环保设备股份有限公司 | Low-level (stack-gas) economizer remote online monitoring system |
CN108980813A (en) * | 2017-06-02 | 2018-12-11 | 寰慧科技集团有限公司 | A kind of flue gas waste heat recovery apparatus |
CN111174192A (en) * | 2020-01-07 | 2020-05-19 | 西安西科节能技术服务有限公司 | Intelligent gas boiler controller |
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