CN202692424U - Bathing wastewater and flue gas heat recycling device for gas water heater - Google Patents

Bathing wastewater and flue gas heat recycling device for gas water heater Download PDF

Info

Publication number
CN202692424U
CN202692424U CN 201220375776 CN201220375776U CN202692424U CN 202692424 U CN202692424 U CN 202692424U CN 201220375776 CN201220375776 CN 201220375776 CN 201220375776 U CN201220375776 U CN 201220375776U CN 202692424 U CN202692424 U CN 202692424U
Authority
CN
China
Prior art keywords
flue gas
heat
heat exchanger
bath wastewater
gas
Prior art date
Application number
CN 201220375776
Other languages
Chinese (zh)
Inventor
刘猛
刘宗晟
满宇松
龚胜强
崔少策
王颖慕
Original Assignee
重庆大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 重庆大学 filed Critical 重庆大学
Priority to CN 201220375776 priority Critical patent/CN202692424U/en
Application granted granted Critical
Publication of CN202692424U publication Critical patent/CN202692424U/en

Links

Abstract

The utility model discloses a bathing wastewater and flue gas heat recycling device for a gas water heater. The device comprises an enclosure, a bathing wastewater heat exchanger arranged in the enclosure and a flue gas heat exchanger arranged in the enclosure. A hot fluid inlet of the bathing wastewater heat exchanger is a bathing wastewater inlet, a hot fluid outlet of the bathing wastewater heat exchanger is a bathing wastewater outlet, a cold fluid inlet of the bathing wastewater heat exchanger is a tap water inlet, and a cold fluid outlet of the bathing wastewater heat exchanger is communicated with a cold fluid inlet of the flue gas heat exchanger. A cold fluid outlet of the flue gas heat exchanger is a tap water outlet. A hot fluid inlet of the flue gas heat exchanger is a flue gas inlet. A hot fluid outlet of the flue gas heat exchanger is a flue gas outlet. The heat of bathing wastewater and a flue gas is comprehensively used for preheating water entering the gas water heater to a great extent, so that energy resources are saved to a great extent; and moreover, the device is low in construction cost and favorable for popularization and use, and can be directly arranged together with the conventional gas water heater.

Description

The bath wastewater, the flue gas heat recycle device that are used for gas heater
Technical field
The utility model relates to a kind of auxiliary equipment of gas heater, is specifically related to a kind of bath wastewater for gas heater, flue gas heat recycle device.
Background technology
A kind of condensed type combustion gas water heater is arranged in the prior art, condensed type combustion gas water heater is compared with the general gas water heater, increased the one-level condensing heat exchanger more, the water inlet pipe of water heater is close to condensing heat exchanger, when the high-temperature flue gas of discharging passes through condensing heat exchanger, the overwhelming majority heats heat exchanger that is condensed absorbs, soon in order to the cold water in the preheating water inlet pipe, be equivalent to before general gas water heater heating cold water, carry out once in advance heating, heat in order to preheating cold water is not to obtain by combustion gas, but utilized heat in the irretrievable flue gas originally, thereby reached energy-conservation effect.
But, condensed type combustion gas water heater complex structure, price on market are generally higher, also there are some problems at overall performance on the stable and practicality, so use face is far away from the general gas water heater, and condensed type combustion gas water heater has only been recycled the heat of flue gas, do not recycle the waste heat of bath wastewater, energy-saving effect is not remarkable.
Summary of the invention
In view of this, the utility model provides a kind of bath wastewater for gas heater, flue gas heat recycle device, the heat that can fully utilize the flue gas after bath wastewater, the combustion gas primary combustion carries out preheating to gas heater, make inflow temperature be higher than temperature when being untreated, thereby reach energy-conservation purpose.
Bath wastewater for gas heater of the present utility model, flue gas heat recycle device comprise casing, place the bath wastewater heat exchanger in the casing and place the interior flue gas heat-exchange unit of casing; The hot fluid entrance of described bath wastewater heat exchanger is the bath wastewater water inlet, the hot fluid outlet of bath wastewater heat exchanger is the bath wastewater delivery port, the cold fluid entrance of bath wastewater heat exchanger is the running water water inlet, the cold fluid outlet of bath wastewater heat exchanger is communicated with the cold fluid entrance of flue gas heat-exchange unit, the cold fluid outlet of flue gas heat-exchange unit is the running water outlet mouth, the hot fluid entrance of flue gas heat-exchange unit is smoke air inlet, and the hot fluid outlet of flue gas heat-exchange unit is the flue gas gas outlet.
Further, described bath wastewater heat exchanger is double pipe heat exchanger, and the tube side water inlet of described double pipe heat exchanger is the bath wastewater water inlet, and the tube side delivery port is the bath wastewater delivery port, the shell side water inlet is the running water water inlet, and the shell side delivery port is communicated with the cold fluid entrance of flue gas heat-exchange unit;
Further, described flue gas heat-exchange unit is the gravity type heat exchange of heat pipe, described gravity type heat pipe heat exchanger comprises heat exchanger shell and gravity type heat pipe, the heat exchanger shell middle part is provided with lateral partitions heat exchanger shell is divided into up and down two parts, top is divided into from the beginning pool, the bottom is divided into the flue gas district, the pool is communicated with the cold fluid outlet of bath wastewater heat exchanger from the beginning, the pool is provided with the running water outlet mouth from the beginning, the flue gas district is provided with smoke air inlet, flue gas gas outlet and condensed water delivery port, and gravity type heat pipe vertically is arranged in the heat exchanger shell and passes dividing plate;
Further, the described gravity type heat pipe part that is positioned at the flue gas district is set with fin;
Further, the heat exchanger shell of described flue gas heat-exchange unit is provided with service valve;
Further, in the described flue gas gas outlet blower fan is installed;
Further, described running water outlet mouth place is equipped with pressure valve;
Further, described bath wastewater water inlet is communicated with the bath wastewater collector, the bath wastewater delivery port is communicated with the drain header road, the running water water inlet is communicated with the running water feed pipe, the running water outlet mouth is communicated with the gas heater water inlet pipe, smoke air inlet is communicated with the gas heater chimney, and the flue gas gas outlet is communicated with the smoke evacuation trunk line.
The beneficial effects of the utility model are: the utility model comprises bath wastewater heat exchanger and the flue gas heat-exchange unit that places in the casing, after the utility model and gas heater united installation, running water at first enters the bath wastewater heat exchanger, with the bath wastewater heat exchange of reclaiming, the heat of bath wastewater carries out a preheating to running water, running water enters flue gas heat-exchange unit subsequently, flue gas heat exchange with the gas heater discharge, the heat of flue gas carries out secondary preheating to running water, passes into gas heater through the running water after twice preheating as the water inlet of gas heater.The heat that the utility model has fully utilized bath wastewater, flue gas carries out largely preheating to gas heater, makes inflow temperature be much higher than temperature when being untreated, has saved largely the energy; And the utility model is cheap, can directly unite installation with original gas heater, need not to transform the gas heater internal structure, therefore is beneficial to and promotes the use of.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the fundamental diagram of gravity type heat pipe.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.
Fig. 1 is structural representation of the present utility model, as shown in the figure, bath wastewater for gas heater of the present utility model, flue gas heat recycle device comprise casing 1, place the bath wastewater heat exchanger 2 in the casing 1 and place flue gas heat-exchange unit 3 in the casing 1; The hot fluid entrance of described bath wastewater heat exchanger 2 is bath wastewater water inlet a, the hot fluid outlet of bath wastewater heat exchanger 2 is bath wastewater delivery port b, the cold fluid entrance of bath wastewater heat exchanger 2 is running water water inlet c, the cold fluid outlet of bath wastewater heat exchanger 2 is communicated with the cold fluid entrance of flue gas heat-exchange unit 3, the cold fluid outlet of flue gas heat-exchange unit 3 is running water outlet mouth d, the hot fluid entrance of flue gas heat-exchange unit 3 is smoke air inlet e, and the hot fluid outlet of flue gas heat-exchange unit 3 is flue gas gas outlet f.
In the present embodiment, described bath wastewater heat exchanger 2 is double pipe heat exchanger, the tube side water inlet of described double pipe heat exchanger is bath wastewater water inlet a, the tube side delivery port is bath wastewater delivery port b, the shell side water inlet is running water water inlet c, and the shell side delivery port is communicated with the cold fluid entrance of flue gas heat-exchange unit 3; Bath wastewater heat exchanger 2 is used for the heat exchange of running water and bath wastewater, therefore, and the impure more bath wastewater of circulation in the tube side, the running water that circulation is cleaned relatively in the shell side, running water and bath wastewater preferably adopt reverse flow, as shown by the arrows in Figure 1, and to strengthen heat transfer effect.Certainly, the bath wastewater heat exchanger also can be the heat exchanger of other type, such as tubular heat exchanger etc.
In the present embodiment, described flue gas heat-exchange unit 3 is the gravity type heat exchange of heat pipe, described gravity type heat pipe heat exchanger comprises heat exchanger shell 31 and gravity type heat pipe 32, heat exchanger shell 31 middle parts are provided with lateral partitions 33 heat exchanger shell 31 are divided into up and down two parts, top is divided into from the beginning pool, the bottom is divided into the flue gas district, the pool is communicated with the cold fluid outlet of bath wastewater heat exchanger 2 from the beginning, the pool is provided with running water outlet mouth d from the beginning, the flue gas district is provided with smoke air inlet e, flue gas gas outlet f and condensed water delivery port g, gravity type heat pipe 32 vertically are arranged in the heat exchanger shell 31 and pass dividing plate 33; Running water and flue gas preferably adopt reverse flow, as shown by the arrows in Figure 1, and to strengthen heat transfer effect.Certainly, flue gas heat-exchange unit also can be the heat exchanger of other type.
Gravity type heat pipe 32 is closed systems, and the heat pipe two ends are welded with end cap, vacuumizes certain working medium of rear injection in the pipe and then seals; Gravity type heat pipe 32 utilizes the physical process of Working fluid phase changing, form transferring heat with latent heat, the hypomere that is positioned at the flue gas district when gravity type heat pipe 32 is during by flue gas, working medium in the pipe absorbs latent heat and is evaporated, become steam, after increasing, pressure is positioned at the from the beginning epimere in pool along the center-aisle flow direction, steam is condensed into liquid and emits latent heat in pool from the beginning, liquid refrigerant returns again hypomere under the backflow dynamic action of tube core capillary pressure and gravity etc., continue the heat absorption evaporation, so move in circles, the evaporation of working medium and condensation just constantly are delivered to from the beginning pool to heat from the flue gas district, and fundamental diagram is seen Fig. 2.
In the present embodiment, the part that described gravity type heat pipe 32 is positioned at the flue gas district is set with fin 34; Fin 34 is in order to strengthen heat transfer effect.
In the present embodiment, the heat exchanger shell 31 of described flue gas heat-exchange unit 3 is provided with service valve 35; Normally whether the state that service valve 35 is used for apparatus for examination and repair.
In the present embodiment, in the described flue gas gas outlet f blower fan 4 is installed; Blower fan 4 makes flue gas cross flue gas heat-exchange unit 3 by steady flow, also is conducive to drain remaining flue gas, keeps the relatively cleaning in the cavity when not working.
In the present embodiment, described running water outlet mouth d place is equipped with pressure valve 5; By pressure valve 5 control, the water inlet that reaches gas heater through the water yield behind the device of the present utility model is required and relatively stable.
When the utility model is installed, bath wastewater water inlet a is communicated with (the bath wastewater collector can be the downcomer between bathing) with the bath wastewater collector, bath wastewater delivery port b is communicated with the drain header road, running water water inlet c is communicated with the running water feed pipe, running water outlet mouth d is communicated with the gas heater water inlet pipe, smoke air inlet e is communicated with the gas heater chimney, and flue gas gas outlet f is communicated with the smoke evacuation trunk line.
When the utility model used, the bath wastewater that the bath wastewater collector reclaims entered from bath wastewater water inlet a, and in bath wastewater heat exchanger 2 and after the running water heat exchange, b enters the drain header road from the bath wastewater delivery port; Flue gas after the combustion gas primary combustion enters from smoke air inlet e by chimney, and in flue gas heat-exchange unit 3 and after the running water heat exchange, f enters the smoke evacuation trunk line from the flue gas gas outlet; Running water enters from running water water inlet c, successively bath wastewater heat exchanger 2 in and the bath wastewater heat exchange, in flue gas heat-exchange unit 3 and flue gas heat exchange, the heat of bath wastewater and flue gas carries out twice preheating to running water, and the running water after the preheating flows into the gas heater water inlet pipe from running water outlet mouth d.
Energy-saving Situation of the present utility model is as follows:
Suppose 1 ℃ of heat that needs approximately 1 kilocalorie of every liters of water heating rising, the utility model on average is preheated to 22.66 ℃ with running water from 10 ℃, suppose that average bathing water amount is 100 liters (calculating with shower) for each person every day, Resident Electricity Price: 0.52 yuan/degree, Gas Prices: 1.72 yuan/m 3Add the relative electric heater of gas heater behind the device of the present utility model and the saving analysis of general gas water heater:
The heat that the utility model has fully utilized bath wastewater, flue gas carries out largely preheating to gas heater, makes inflow temperature be much higher than temperature when being untreated, has saved largely the energy; And the utility model is cheap, can directly unite installation with original gas heater, need not to transform the gas heater internal structure, therefore is beneficial to and promotes the use of.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.

Claims (8)

1. bath wastewater, a flue gas heat recycle device that is used for gas heater is characterized in that: comprise casing (1), place the bath wastewater heat exchanger (2) in the casing (1) and place the interior flue gas heat-exchange unit (3) of casing (1); The hot fluid entrance of described bath wastewater heat exchanger (2) is bath wastewater water inlet (a), the hot fluid outlet of bath wastewater heat exchanger (2) is bath wastewater delivery port (b), the cold fluid entrance of bath wastewater heat exchanger (2) is running water water inlet (c), the cold fluid outlet of bath wastewater heat exchanger (2) is communicated with the cold fluid entrance of flue gas heat-exchange unit (3), the cold fluid outlet of flue gas heat-exchange unit (3) is running water outlet mouth (d), the hot fluid entrance of flue gas heat-exchange unit (3) is smoke air inlet (e), and the hot fluid outlet of flue gas heat-exchange unit (3) is flue gas gas outlet (f).
2. the bath wastewater for gas heater according to claim 1, flue gas heat recycle device, it is characterized in that: described bath wastewater heat exchanger (2) is double pipe heat exchanger, the tube side water inlet of described double pipe heat exchanger is bath wastewater water inlet (a), the tube side delivery port is bath wastewater delivery port (b), the shell side water inlet is running water water inlet (c), and the shell side delivery port is communicated with the cold fluid entrance of flue gas heat-exchange unit (3).
3. the bath wastewater for gas heater according to claim 1, the flue gas heat recycle device, it is characterized in that: described flue gas heat-exchange unit (3) is the gravity type heat exchange of heat pipe, described gravity type heat pipe heat exchanger comprises heat exchanger shell (31) and gravity type heat pipe (32), heat exchanger shell (31) middle part is provided with lateral partitions (33) heat exchanger shell (31) is divided into up and down two parts, top is divided into from the beginning pool, the bottom is divided into the flue gas district, the pool is communicated with the cold fluid outlet of bath wastewater heat exchanger (2) from the beginning, the pool is provided with running water outlet mouth (d) from the beginning, the flue gas district is provided with smoke air inlet (e), flue gas gas outlet (f) and condensed water delivery port (g), gravity type heat pipe (32) vertically are arranged in the heat exchanger shell (31) and pass dividing plate (33).
4. the bath wastewater for gas heater according to claim 3, flue gas heat recycle device, it is characterized in that: the part that described gravity type heat pipe (32) is positioned at the flue gas district is set with fin (34).
5. the bath wastewater for gas heater according to claim 3, flue gas heat recycle device, it is characterized in that: the heat exchanger shell (31) of described flue gas heat-exchange unit (3) is provided with service valve (35).
6. the bath wastewater for gas heater according to claim 1, flue gas heat recycle device is characterized in that: blower fan (4) is installed in the described flue gas gas outlet (f).
7. the bath wastewater for gas heater according to claim 1, flue gas heat recycle device, it is characterized in that: described running water outlet mouth (d) locates to be equipped with pressure valve (5).
8. according to claim 1 to the described bath wastewater for gas heater of 7 any one, flue gas heat recycle device, it is characterized in that: described bath wastewater water inlet (a) is communicated with the bath wastewater collector, bath wastewater delivery port (b) is communicated with the drain header road, running water water inlet (c) is communicated with the running water feed pipe, running water outlet mouth (d) is communicated with the gas heater water inlet pipe, smoke air inlet (e) is communicated with the gas heater chimney, and flue gas gas outlet (f) is communicated with the smoke evacuation trunk line.
CN 201220375776 2012-07-31 2012-07-31 Bathing wastewater and flue gas heat recycling device for gas water heater CN202692424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220375776 CN202692424U (en) 2012-07-31 2012-07-31 Bathing wastewater and flue gas heat recycling device for gas water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220375776 CN202692424U (en) 2012-07-31 2012-07-31 Bathing wastewater and flue gas heat recycling device for gas water heater

Publications (1)

Publication Number Publication Date
CN202692424U true CN202692424U (en) 2013-01-23

Family

ID=47548034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220375776 CN202692424U (en) 2012-07-31 2012-07-31 Bathing wastewater and flue gas heat recycling device for gas water heater

Country Status (1)

Country Link
CN (1) CN202692424U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105793653A (en) * 2013-07-12 2016-07-20 何塞-路易斯·柯登-乌比奥拉 Exchanger for heating boilers
CN106052423A (en) * 2016-07-08 2016-10-26 中山市道享节能技术服务有限公司 Smoke waste heat and waste water waste heat recycling system
CN107014063A (en) * 2017-04-24 2017-08-04 南京红元自动化设备制造有限公司 A kind of gas heater auxiliary energy-saving system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105793653A (en) * 2013-07-12 2016-07-20 何塞-路易斯·柯登-乌比奥拉 Exchanger for heating boilers
CN105793653B (en) * 2013-07-12 2018-10-19 何塞-路易斯·柯登-乌比奥拉 heat exchanger for heating boiler
CN106052423A (en) * 2016-07-08 2016-10-26 中山市道享节能技术服务有限公司 Smoke waste heat and waste water waste heat recycling system
CN107014063A (en) * 2017-04-24 2017-08-04 南京红元自动化设备制造有限公司 A kind of gas heater auxiliary energy-saving system

Similar Documents

Publication Publication Date Title
CN201852277U (en) High-efficiency boiler waste heat recovering device provided with phase change heat exchanger
CN104048307A (en) Smoke waste heat comprehensive utilization device and method
CN102410665B (en) Waste heat recovery and utilization system for coal mine air compressor
CN201764838U (en) System for recycling smoke and waste heat
CN202008227U (en) Floating coil type boiler smoke waste heat recovery device
CN101693230B (en) Coating machine heat recovery utilization energy-saving device
WO2011020334A1 (en) System for recovering waste heat from flue gas
CN2926914Y (en) Hot-pump water heater with waste-heat recovery
CN202008153U (en) Waste heat recovery device of boiler flue gas
CN102853540A (en) Instant-heating heat recovery heat pump water heater for bathrooms
CN202768090U (en) Recovery system of dead steam waste heat
CN104132481B (en) Flue gas source heat pump hot-water system and low-temperature flue gas waste heat recovery utilization method
CN103134043B (en) Boiler system with U-shaped flue and boiler water charging system
CN101799207A (en) System and method for recycling waste heat of bath sewage by utilizing absorption heat pump
CN203190489U (en) Efficient lithium bromide absorption heat pump heat exchanger unit
CN202561875U (en) Waste heat recovery system with bypass for cooling tower of power plant
CN202361355U (en) Compound phase change heat exchanger for recycling afterheat of boiler smoke
CN102410527A (en) Composite phase change heat exchanger for flue gas heat recovery of boiler
CN103808178B (en) A kind of sub-control phase-change heat exchange system based on hierarchical composition heat exchange and heat-exchange method
CN102418998A (en) Energy storage water source heat pump water heater with shower wastewater and waste heat double-absorption function
CN201615651U (en) Refrigeration heat pump device taking high-temperature flue gas as power
CN206767688U (en) New and effective portable full solar energy sea water desalination apparatus
CN205065770U (en) Flue gas waste heat recovery device
CN204113364U (en) The waste heat recovering device of lack of water cold area Direct Air-cooled Unit
CN100535544C (en) Hot-piping planar solar heater collector

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130123

Termination date: 20130731

C17 Cessation of patent right