CN212252579U - Waste heat recovery environmental protection structure - Google Patents
Waste heat recovery environmental protection structure Download PDFInfo
- Publication number
- CN212252579U CN212252579U CN202020560943.0U CN202020560943U CN212252579U CN 212252579 U CN212252579 U CN 212252579U CN 202020560943 U CN202020560943 U CN 202020560943U CN 212252579 U CN212252579 U CN 212252579U
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- outlet
- flue gas
- inlet
- 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
Images
Abstract
The utility model relates to a waste heat recovery environmental protection structure, which comprises a water inlet pipe, a condensate pump, a water inlet main pipe, a water outlet main pipe, a water tank and at least one flue gas condenser, wherein the inlet end of the water inlet pipe is connected with the water tank, the water inlet pipe is connected with the water inlet main pipe through a plurality of water distribution pipes, the condensate pump is arranged on the water distribution pipes, and the water flow of a heating and ventilating system passes through at least one of the condensate pumps; the inlet of the flue gas condenser is connected with a water inlet branch pipe, the inlet of the water inlet branch pipe is connected with a water inlet main pipe, the outlet of the flue gas condenser is connected with a water outlet branch pipe, and the outlet of the water outlet branch pipe is connected with a water outlet main pipe; the outlet of the water outlet main pipe is respectively communicated with the water tank and the deaerator, and the outlet of the deaerator is communicated with the boiler. The utility model discloses discharge fume to the boiler and utilize, as the heat source of raw water heating, the high temperature flue gas heating that should arrange outward with this heats the water and comes water, can avoid the extra loss of heat that leads to the fact from the steam-distributing cylinder heat source, makes the energy obtain highly utilized, does benefit to the economic nature that improves the energy station.
Description
Technical Field
The utility model relates to an environmental protection and energy saving technical field especially relates to a waste heat recovery environmental protection structure.
Background
The energy station provides high temperature steam for the industrial park through a gas boiler. The steam distributing cylinder is the main corollary equipment of the boiler and is used for distributing steam generated during the operation of the boiler to all pipelines. In the prior art, a path of steam source is led from a steam supply branch cylinder to a raw water pipeline to be used as a heat source for heating raw water, but the heat source led from the branch cylinder causes extra loss of heat supply of an energy station, and increases the consumption of natural gas from the energy utilization perspective, thereby causing energy waste; from the economic benefit perspective of energy station, economic nature is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waste heat recovery environmental protection structure, but the energy saving improves economic benefits.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waste heat recovery environment-friendly structure comprises a water inlet pipe, a condensate pump, a water inlet main pipe, a water outlet main pipe, a water tank and at least one flue gas condenser, wherein the inlet end of the water inlet pipe is connected with the water tank, the water inlet pipe is connected with the water inlet main pipe through a plurality of water distribution pipes, and the condensate pump is arranged on the water distribution pipes;
the inlet of the flue gas condenser is connected with a water inlet branch pipe, the inlet of the water inlet branch pipe is connected with a water inlet main pipe, the outlet of the flue gas condenser is connected with a water outlet branch pipe, and the outlet of the water outlet branch pipe is connected with a water outlet main pipe; the outlet of the main water outlet pipe is respectively communicated with the water tank and the boiler.
Furthermore, the water of the heating system flows through at least one condensate pump.
Preferably, the number of the water distribution pipes is 4, and water of the heating and ventilation system flows through the condensate pumps on two water distribution pipes.
Furthermore, a filter screen is arranged at an inlet of the condensate pump, and a check valve is arranged at an outlet of the condensate pump.
Furthermore, stop valves are installed at the inlet and the outlet of the condensate pump.
Wherein, all be equipped with the stop valve on water inlet branch pipe and the water outlet branch pipe.
Furthermore, the effluent of the effluent main pipe is pumped into a deaerator by a demineralized water pump to be deaerated and then is led to a boiler.
Furthermore, the waste heat recovery environment-friendly structure further comprises a flue gas heat exchanger, an inlet of the flue gas heat exchanger is connected with the water inlet branch pipe, and an outlet of the flue gas heat exchanger is respectively communicated with the heating water pipe and the water outlet main pipe.
Furthermore, an electric regulating valve and two manual stop valves are arranged on a water inlet branch pipe of the flue gas heat exchanger, and the electric regulating valve is positioned between the two manual stop valves;
the electric regulating valve and the passage where the two manual stop valves are located are connected in parallel to form a parallel branch, and the parallel branch is provided with a normally closed manual stop valve.
Further, the flue gas heat exchanger is arranged at the tail part of the waste heat boiler.
Preferably, there are two flue gas condensers, and the flue gas condensers are installed on the gas boiler.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses discharge fume to the boiler and utilize, as the heat source of raw water heating, the high temperature flue gas heating that should arrange outward with this heats the water and comes water, can avoid the extra loss of heat that leads to the fact from the steam-distributing cylinder heat source, makes the energy obtain highly utilized, does benefit to the economic nature that improves the energy station.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a waste heat recovery environmental protection structure, including water pipe 8, condensate pump 9, the person in charge of 6, water tank 14 and an at least boiler of intaking.
The inlet end of the water inlet pipe 8 is connected with the water tank 14, the inlet pipe is connected with the water inlet main pipe 6 through a plurality of water distribution pipes, the water distribution pipes are provided with the condensate water pump 9, the water distribution pipes are provided with two manual stop valves 12, and the two manual stop valves 12 are respectively positioned in the front and the back of the condensate water pump 9. The inlet of the condensate pump 9 is provided with a filter screen 10 for filtering the water inlet, and the outlet of the condensate pump 9 is provided with a check valve 11 for preventing backflow.
The water of the heating system flows through at least one condensed water pump 9, the heated and ventilated water is merged into a water diversion pipe through a heating and ventilating pipe 16 and then enters from the inlet of the condensed water pump 9, part of the outlet water of the condensed water pump 9 can enter a water inlet main pipe 6 through the water diversion pipe, and part of the outlet water can flow back into the heating and ventilating system through another heating and ventilating pipe 16. One of the manual cut-off valves 12 is located in front of the warm ventilation pipe 16 for inflow of water, and the other manual cut-off valve 12 is located behind the warm ventilation pipe 16 for return of water. In the embodiment, there are 4 water distribution pipes, wherein the condensed water pumps 9 on two water distribution pipes are in the loop of the heating system. The water of the heating and ventilation system mainly acts as circulation through a condensate pump 9, and the other water of the heating and ventilation system supplements water for the heating system.
The water pipe 8 is also connected with a heating water supplementing pipe 17, a manual stop valve 12 is installed on the heating water supplementing pipe 17, and the heating water supplementing pipe 17 can be used for supplementing water to a heating system.
The number of the boilers is determined according to actual conditions, and three boilers are taken as an example, wherein two gas boilers and one waste heat boiler are arranged in the three boilers. The two gas-fired boilers are respectively a 20T/h gas-fired boiler and a 10T/h gas-fired boiler.
A flue gas heat exchanger 1 is installed at the tail part of the waste heat boiler, and a first flue gas condenser 2 and a second flue gas condenser 3 are respectively installed at the smoke outlets of the two gas boilers.
The inlets of the flue gas heat exchanger 1, the first flue gas condenser 2 and the second flue gas condenser 3 are respectively connected with a water inlet branch pipe 4, and the inlet of the water inlet branch pipe 4 is connected with a water inlet main pipe 6. The outlets of the flue gas heat exchanger 1, the first flue gas condenser 2 and the second flue gas condenser 3 are respectively connected with a water outlet branch pipe 5, the outlet of the water outlet branch pipe 5 is connected with a water outlet main pipe 7, the outlet of the water outlet main pipe 7 is respectively communicated with a water tank 14 and a demineralized water pump 13, the outlet of the demineralized water pump 13 is connected with a deaerator 15, and the outlet of the deaerator 15 is communicated with a boiler.
The water inlet branch pipe 4 and the water outlet branch pipe 5 are both provided with a manual stop valve 12. The outlet of the flue gas heat exchanger 1 is also connected with a heating water pipe 16 which can be used for heating a factory building and an office area, and the heating water pipe 16 is provided with a manual stop valve 12.
As shown in fig. 1 and 2, an electric regulating valve 41 and two manual stop valves 12 are arranged on a water inlet branch pipe 4 of the flue gas heat exchanger 1, and the electric regulating valve 41 is positioned between the two manual stop valves 12; the electric control valve 41 and the passage where the two manual stop valves 12 are located are connected in parallel with a parallel branch 42, and the parallel branch 42 is provided with a normally closed manual stop valve 43. The electrically controlled valve 41 remotely controls the opening and closing of the passage.
The water inlet pipe 8 is connected with a demineralized water tank 14 to supply water, the water is pumped into a heat exchanger and a condenser through a condensate pump 9 to be heated, one part of the heated water returns to the demineralized water tank 14, one part of the heated water can be used for supplying water to a boiler after being deoxidized, and the other part of the heated water can be used for heating in a plant area and an office, so that the energy is highly utilized, and the waste of the energy is effectively prevented.
The utility model discloses utilize discharging fume of gas boiler, as the heat source of raw water heating, with this outer high temperature flue gas heating water that discharges, avoided the extra heat loss that leads to the fact from the steam-distributing cylinder heat source, reached the high utilization of the energy, improved the economic nature at energy station.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and that such changes and modifications are intended to be included within the scope of the appended claims.
Claims (10)
1. The utility model provides a waste heat recovery environmental protection structure which characterized in that: the flue gas cooling system comprises a water inlet pipe, a condensate pump, a water inlet main pipe, a water outlet main pipe, a water tank and at least one flue gas condenser, wherein the inlet end of the water inlet pipe is connected with the water tank, the water inlet pipe is connected with the water inlet main pipe through a plurality of water distribution pipes, and the condensate pump is arranged on the water distribution pipes;
the inlet of the flue gas condenser is connected with a water inlet branch pipe, the inlet of the water inlet branch pipe is connected with a water inlet main pipe, the outlet of the flue gas condenser is connected with a water outlet branch pipe, and the outlet of the water outlet branch pipe is connected with a water outlet main pipe; the outlet of the main water outlet pipe is respectively communicated with the water tank and the boiler.
2. The waste heat recovery environmental protection structure according to claim 1, wherein: the water of the heating system flows through at least one of the condensate pumps.
3. The waste heat recovery environmental protection structure according to claim 2, wherein: the number of the water distribution pipes is 4, and water of the heating system flows through the condensate pumps on two water distribution pipes.
4. The waste heat recovery environmental protection structure according to claim 1, 2, or 3, wherein: the inlet of the condensate pump is provided with a filter screen, and the outlet of the condensate pump is provided with a one-way valve.
5. The waste heat recovery environmental protection structure according to claim 4, wherein: stop valves are respectively arranged at the inlet and the outlet of the condensate pump, and the water inlet branch pipe and the water outlet branch pipe are respectively provided with a stop valve.
6. The waste heat recovery environmental protection structure according to claim 1, 2, 3, or 5, wherein: the effluent of the effluent main pipe is pumped into a deaerator by a demineralized water pump to be deaerated and then is led to a boiler.
7. The waste heat recovery environmental protection structure according to claim 1, 2 or 3, wherein: the water heater further comprises a flue gas heat exchanger, an inlet of the flue gas heat exchanger is connected with the water inlet branch pipe, and an outlet of the flue gas heat exchanger is respectively communicated with the heating water pipe and the water outlet main pipe.
8. The waste heat recovery environmental protection structure according to claim 7, wherein: an electric regulating valve and two manual stop valves are arranged on a water inlet branch pipe of the flue gas heat exchanger, and the electric regulating valve is positioned between the two manual stop valves;
the electric regulating valve and the passage where the two manual stop valves are located are connected in parallel to form a parallel branch, and the parallel branch is provided with a normally closed manual stop valve.
9. The waste heat recovery environmental protection structure according to claim 7, wherein: the flue gas heat exchanger is arranged at the tail part of the waste heat boiler.
10. The waste heat recovery environmental protection structure according to claim 1 or 9, wherein: the flue gas condenser has two, and the flue gas condenser is installed on gas boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560943.0U CN212252579U (en) | 2020-04-16 | 2020-04-16 | Waste heat recovery environmental protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560943.0U CN212252579U (en) | 2020-04-16 | 2020-04-16 | Waste heat recovery environmental protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212252579U true CN212252579U (en) | 2020-12-29 |
Family
ID=74003439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020560943.0U Active CN212252579U (en) | 2020-04-16 | 2020-04-16 | Waste heat recovery environmental protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212252579U (en) |
-
2020
- 2020-04-16 CN CN202020560943.0U patent/CN212252579U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107687634A (en) | The denitration of boiler full load couples fume afterheat gradient utilization system | |
| CN106996571A (en) | A kind of coal-fired hot-water boiler fume afterheat depth recovery system and its method | |
| CN107940439A (en) | A kind of boiler smoke heat energy recycling system | |
| CN206989172U (en) | The denitration of boiler full load couples fume afterheat gradient utilization system | |
| CN204853527U (en) | Plenum heating waste heat recovery system is united to low low -level (stack -gas) economizer of coal -fired unit | |
| CN104132541A (en) | Smoke afterheat recovery and gradient utilization system | |
| CN211146674U (en) | Waste heat exchange device and heat exchange system using same | |
| CN108443939A (en) | A kind of exhaust steam residual heat suitable for water cooling Steam Turbine recycles heating system | |
| CN212252579U (en) | Waste heat recovery environmental protection structure | |
| CN105546842B (en) | Efficient solar flat-board endothermic system | |
| CN110848725A (en) | Multipurpose flue gas waste heat recovery device and recovery method for thermal power plant | |
| CN212390547U (en) | Air conditioner return water heating system | |
| CN205860192U (en) | Module integrated system water heater for heating | |
| CN201582901U (en) | Hot-water heating system | |
| CN211176872U (en) | Multipurpose flue gas waste heat recovery device for thermal power plant | |
| CN204611734U (en) | Fume afterheat utilizes closed circulation system | |
| CN204829289U (en) | Steam subtracts warm depressurized system | |
| CN212029893U (en) | Water outlet device with pipeline residual water heating system | |
| CN204693772U (en) | Gas heater | |
| CN209639098U (en) | Step heats multi-energy complementation type water and recycles ground heating system host | |
| CN205424991U (en) | Energy -saving hot -water heating fan heater and adopt cyclic utilization system of this fan heater | |
| CN212227003U (en) | Improved gas condensing steam boiler water supply system | |
| CN105444243A (en) | Waste heat recovery heat supply and water charging system and water charging method | |
| CN205807814U (en) | Gas fired-boiler flue gas waste heat recovery formula heating plant | |
| CN214038473U (en) | Boiler flue gas waste heat utilization system for back pressure steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |