CN207422671U - A kind of waste heat recovery hot water system - Google Patents
A kind of waste heat recovery hot water system Download PDFInfo
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- CN207422671U CN207422671U CN201721512109.9U CN201721512109U CN207422671U CN 207422671 U CN207422671 U CN 207422671U CN 201721512109 U CN201721512109 U CN 201721512109U CN 207422671 U CN207422671 U CN 207422671U
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Abstract
The utility model provides a kind of waste heat recovery hot water system, including bath wastewater collecting part, water resource heat pump heating part and heating heat accumulating portion, the bath wastewater collecting part includes at least one bathing unit, pipeline primary filter, waste water water supply pump sum aggregate waste water tank, and the bath water with residual temperature flowed out through bathing unit passes sequentially through pipeline primary filter, waste water water supply pump reaches collection waste water tank；The water resource heat pump heating part absorbs the heat of the bath water in collection waste water tank in evaporator, clean water in heating press-bearing water tank is heated within the condenser, water in the heating press-bearing water tank is drained into the heat collection water tank and stored by the heating heat accumulating portion, and the water supply bathing unit in heat collection water tank uses.It realizes and the waste heat of bath water is fully recycled, achieved the effect that energy-saving and emission-reduction, the phenomenon that sometimes hot and sometimes cold occur when preventing user using hot water.
Description
Technical field
The utility model is related to technical field of exhaust heat recovery equipment, more particularly to a kind of waste heat recovery hot water system.
Background technology
Traditional water source heat pump water heater, the low level heat energy utilized are surface water or underground water, simply be make use of merely
The thermal energy of water in natural river, due to the difference of four seasons weather, fluctuating temperature is larger, and the efficiency of water resource heat pump is it is difficult to ensure that one
A higher level run, even if there are the system using recuperation of heat in some factories, but generality is not strong to the utilization rate of recuperation of heat,
It cannot be widely applied.The bath wastewater particularly generated to the unproductive unit such as school, hospital, cannot rational profit
With causing great heat waste.
Utility model content
Technical problem to be solved in the utility model is：A kind of waste heat recovery hot water system is provided, efficiently uses bathing
Heat in waste water greatly improves system unit efficiency, so as to reach energy-saving and environment-friendly purpose.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of waste heat recovery hot water system, including bath wastewater collecting part, water resource heat pump heating part and heating heat accumulation
Part, the bath wastewater collecting part include at least one bathing unit, pipeline primary filter, waste water water supply pump sum aggregate
Waste water tank, the bath water with residual temperature through bathing unit outflow reaches pipeline primary filter by pipeline, then passes through pipeline
The water inlet of waste water water supply pump is reached, the water outlet of waste water water supply pump is connected by pipeline with the collection waste water tank；The water source
Heat pump part includes evaporator, compressor, condenser and throttle valve, and the collection waste water tank passes through pipeline and the evaporator
Water inlet connection, also connected by pipeline with the water outlet of the evaporator, the gas vent of the evaporator and the pressure
The gas access connection of contracting machine, the gas vent of the compressor are connected with the gas access of the condenser, the condenser
Liquid outlet connected by throttle valve with the refrigerant liquid entrance of the evaporator, it is described heating heat accumulating portion include moisturizing
Valve, heating press-bearing water tank, feed water valve, heat collection water tank, press-bearing water tank inlet valve, press-bearing water tank outlet valve, heat collection water tank inlet valve
With heat collection water tank outlet valve, the water compensating valve is connected with the heating press-bearing water tank, and the heating press-bearing water tank passes through the confession
Water valve is connected with the heat collection water tank, the heating press-bearing water tank by the press-bearing water tank outlet valve and the condenser into
The mouth of a river connects, and the heating press-bearing water tank is connected by the press-bearing water tank inlet valve with the water outlet of the condenser, described
Heat collection water tank is connected by the heat collection water tank outlet valve with the water inlet of the condenser, and the heat collection water tank passes through the collection
Boiler inlet valve is connected with the water outlet of the condenser, the heat collection water tank also by pipeline and the bathing unit into
Water end (W.E.) connects.
Further, the heating heat accumulating portion further includes heat cycles pump, and the heating press-bearing water tank is held by described
Pressure discharge valve of cistern for water-closet is connected with the water inlet that the heat cycles pump, the heat collection water tank by the heat collection water tank outlet valve and
The water inlet connection of the heat cycles pump, the water outlet of the heat cycles pump are connected with the water inlet of the condenser.
Further, the heating heat accumulating portion further includes water supply pump, and the heat collection water tank passes through pipeline and the water supply
The water inlet connection of pump, the water outlet of the water supply pump are connected by pipeline with the water inlet end of the bathing unit.
Further, the heating heat accumulating portion further includes water level switch, and the water level switch is arranged on the collection hot water
On case.
Further, the heating heat accumulating portion further includes relief valve, and the relief valve is arranged on the heating artesian water
On case.
Further, the bathing unit includes bathroom, thermal-arrest pond and hair filter screen, the water inlet end of the bathing unit
Positioned at the top in the bathroom, the ground in the bathroom is equipped with thermal-arrest pond, and the hair filter screen is mounted on the thermal-arrest pond
At upper end opening, the thermal-arrest pond is connected by pipeline with the pipeline primary filter.
Further, the bath wastewater collecting part further includes liquid-level switch and blowdown water valve, and the liquid-level switch is set
It puts on the side wall of the collection waste water tank, the blowdown water valve is arranged on the bottom of the collection waste water tank.
Further, the bath wastewater collecting part further includes secondary conduit filter and waste heat recovery circulating pump, institute
State collection waste water tank connected by pipeline with the secondary conduit filter, the secondary conduit filter by pipeline with it is described remaining
The water inlet connection of heat recovery cycle pump, the water outlet of the waste heat recovery circulating pump pass through the water inlet of pipeline and the evaporator
Mouth connection.
Further, the secondary conduit filter is screen pack, and the pipeline primary filter is screen pack.
Further, the bath wastewater collecting part further includes the first temperature sensor, and the heating heat accumulating portion is also
Including second temperature sensor and three-temperature sensor, first temperature sensor is mounted on the collection waste water tank, institute
It states second temperature sensor to be mounted on the heating press-bearing water tank, the three-temperature sensor is mounted on the heat collection water tank
On.
The beneficial effects of the utility model are：The bath water with residual temperature of bathing unit outflow passes through pipeline primary mistake
Filter reaches waste water water supply pump after being filtered, the bath water of bathing unit is pumped into collection waste water tank and carried out by waste water water supply pump
Storage, the water collected in waste water tank are flow in evaporator, carry out heat exchange with the refrigerant liquid in evaporator, the system in evaporator
Drained into after cold liquid endothermic gasification into the gas that high temperature and pressure is compressed into compressor in condenser, with into condenser plus
Either the water in heat collection water tank carries out water in heat exchange heating press-bearing water tank or heat collection water tank into cold to hot press-bearing water tank
Condenser is returned to after absorbing the heat of high temperature and high pressure gas in corresponding heating press-bearing water tank or heat collection water tank, in condenser
The medium temperature highly pressurised liquid of outflow is reached in evaporator after the throttle throttling to be continuing with, and is absorbed with water resource heat pump heating part
Collect the temperature of the bath water in waste water tank, also the water in heating press-bearing water tank and heat collection water tank is heated, is realized to washing
The waste heat recovery of bath water achievees the effect that energy-saving and emission-reduction, while ensures to heat press-bearing water tank by water resource heat pump heating part
With the water temperature in heat collection water tank, the water temperature in heat collection water tank is enable to reach requirement；By water compensating valve to heating press-bearing water tank
Clean water is supplied, the water for being heated to design temperature heated in press-bearing water tank is drained into heat collection water tank using feed water valve and waits to make
With, it is more constant so as to supply the hot water temperature of bathing unit, make user experience good, prevent from neglecting cold neglect in heating press-bearing water tank
The water of heat directly feeds bathing unit.
Description of the drawings
Fig. 1 is the structure diagram of the waste heat recovery hot water system of the utility model embodiment.
Label declaration：
1st, compressor；2nd, evaporator；3rd, throttle valve；4th, condenser；5th, heat cycles pump；6th, press-bearing water tank outlet valve；7、
Press-bearing water tank inlet valve；8th, waste heat recovery circulating pump；9th, secondary conduit filter；10th, liquid-level switch；11st, blowdown water valve；12、
Feed water valve；13rd, water compensating valve；14th, heat collection water tank inlet valve；15th, water level switch；16th, pipeline primary filter；17th, waste water tank is collected；
18th, waste water water supply pump；19th, heat collection water tank outlet valve；20th, heat collection water tank；21st, water supply pump；22nd, bathing unit；23rd, pressure-bearing is heated
Water tank；24th, relief valve；
221st, bathroom；222nd, hair filter screen；223rd, thermal-arrest pond.
Specific embodiment
For the technology contents of the utility model, the objects and the effects are described in detail, below in conjunction with embodiment and match somebody with somebody
Attached drawing is closed to be explained.
Refer to Fig. 1, the utility model provides a kind of waste heat recovery hot water system, including bath wastewater collecting part,
Water resource heat pump heating part and heating heat accumulating portion, the bath wastewater collecting part include at least one bathing unit 22,
Pipeline primary filter 16,18 sum aggregate waste water tank 17 of waste water water supply pump, the bath water with residual temperature flowed out through bathing unit 22
Pipeline primary filter 16 is reached by pipeline, then the water inlet of waste water water supply pump 18, waste water water supply pump 18 are reached by pipeline
Water outlet by pipeline with it is described collection waste water tank 17 connect；The water resource heat pump heating part include evaporator 2, compressor 1,
Condenser 4 and throttle valve 3, the collection waste water tank 17 are connected by pipeline with the water inlet of the evaporator 2, also by pipeline and
The water outlet connection of the evaporator 2, the gas vent of the evaporator 2 is connected with the gas access of the compressor 1, described
The gas vent of compressor 1 is connected with the gas access of the condenser 4, and the liquid outlet of the condenser 4 passes through throttle valve 3
Connected with the refrigerant liquid entrance of the evaporator 2, it is described heating heat accumulating portion include water compensating valve 13, heating press-bearing water tank 23,
Feed water valve 12, heat collection water tank 20, press-bearing water tank inlet valve 7, press-bearing water tank outlet valve 6,14 sum aggregate hot water of heat collection water tank inlet valve
Case outlet valve 19, the water compensating valve 13 are connected with the heating press-bearing water tank 23, and the heating press-bearing water tank 23 passes through the confession
Water valve 12 is connected with the heat collection water tank 20, it is described heating press-bearing water tank 23 by the press-bearing water tank outlet valve 6 with it is described cold
The water inlet connection of condenser 4, heating press-bearing water tank 23 the going out by the press-bearing water tank inlet valve 7 and the condenser 4
The mouth of a river connects, and the heat collection water tank 20 is connected by the heat collection water tank outlet valve 19 with the water inlet of the condenser 4, described
Heat collection water tank 20 is connected by the heat collection water tank inlet valve 14 with the water outlet of the condenser 4, and the heat collection water tank 20 is also
It is connected by pipeline with the water inlet end of the bathing unit 22.
Seen from the above description, the operation principle of the water resource heat pump heating part is：Compressor 1 is low by low temperature working medium
Body of calming the anger is compressed into high temperature and high pressure gas, and the liquid of medium temperature high pressure is condensed into using condenser 4, after the throttling of throttle valve 3, then
As the liquid of low-temp low-pressure.The liquid refrigerant of low-temp low-pressure is sent into evaporator 2, absorbs heat in evaporator 2 and evaporates and become low
The steam of warm low pressure is once again entrained into compressor 1, so as to complete refrigeration cycle.The operation principle of hot-water heating system is：Waste water supplies water
The bath water with residual temperature that pump 18 flows out bathing unit 22 is pumped into collection waste water tank 17 and stored, in bathing unit 22
When water enters waste water water supply pump 18, be also filtered through piping primary filter 16, collect in waste water tank 17 with residual temperature
Bath water is used as the heat source of evaporator 2, so as to provide heat source, water resource heat pump heating part for water resource heat pump heating part
After being heated to the clean water in heating press-bearing water tank 23, the water in heating press-bearing water tank 23 is made to reach the temperature of setting,
Water compensating valve 13 and feed water valve 12 are opened at this time, and the water compensating valve 13 is connected by the bottom of pipeline and the heating press-bearing water tank 23
Logical, described 12 one end of feed water valve is connected by pipeline with the upper end of the heating press-bearing water tank 23, and the other end passes through pipeline and institute
It states heat collection water tank 20 to connect, water compensating valve 13 supplies clean cold water into heating press-bearing water tank 23, and feed water valve 12 will heat pressure-bearing
Heated water in water tank 23 drains into be used in heat collection water tank 20, and 20 water of heat collection water tank flow to bathing unit 22 into enforcement
With；When the water temperature in heat collection water tank 20 is down to certain temperature, opens water resource heat pump heating part and heat collection water tank 20 is added
Heat so as to ensure the temperature of the water in heat collection water tank 20, improves the recovery utilization rate to bath water, and improves unit for bath water
Efficiency prevents bath water from the phenomenon that sometimes hot and sometimes cold occur.
Further, the heating heat accumulating portion further includes heat cycles pump 5, and the heating press-bearing water tank 23 is by described
Press-bearing water tank outlet valve 6 is connected with the water inlet of heat cycles pump 5, and the heat collection water tank 20 is gone out by the heat collection water tank
The water inlet of water valve 19 and the heat cycles pump 5 connect, the water outlet of the heat cycles pump 5 and the condenser 4 into
The mouth of a river connects.
Seen from the above description, by press-bearing water tank outlet valve 6 and heat cycles pump 5 control whether that press-bearing water tank will be heated
Water in 23 is delivered to water resource heat pump heating part and is heated, and passes through 5 control of heat collection water tank outlet valve 19 and heat cycles pump
Whether the water in heat collection water tank 20 is delivered to water resource heat pump heating part to heat, it is rational in infrastructure compact, it saves heating and follows
The quantity of ring pump 5.
Further, the heating heat accumulating portion further includes water supply pump 21, the heat collection water tank 20 by pipeline with it is described
The water inlet connection of water supply pump 21, the water outlet of the water supply pump 21 are connected by the water inlet end of pipeline and the bathing unit 22
It is logical.
Seen from the above description, controlled whether by water supply pump 21 by the hot water supply bathing unit in heat collection water tank 20
22, control operation is convenient.
Further, the heating heat accumulating portion further includes water level switch 15, and the water level switch 15 is arranged on the collection
On boiler 20.
Seen from the above description, the water level switch 15 be used for the height of hot water stored in the heat collection water tank 20 into
Row detection, when the height of the water in heat collection water tank 20 is less than certain value, press-bearing water tank 23 will be heated by opening feed water valve 12 at once
In hot water supply heat collection water tank 20, so that the hot water in heat collection water tank 20 sufficient can be supplied.
Further, the heating heat accumulating portion further includes relief valve 24, and the relief valve 24 is arranged on the heating and holds
It presses on water tank 23.
Seen from the above description, pressure release is carried out to heating press-bearing water tank 23 by relief valve 24, prevents heating press-bearing water tank
Hypertonia in 23.
Further, the bathing unit 22 includes bathroom 221, thermal-arrest pond 223 and hair filter screen 222, the bathing
The water inlet end of unit 22 is located at the top in the bathroom 221, and the ground in the bathroom 221 is equipped with thermal-arrest pond 223, the hair mistake
Strainer 222 is mounted at the upper end opening in the thermal-arrest pond 223, and the thermal-arrest pond 223 passes through pipeline and the pipeline primary mistake
Filter 16 connects.
Seen from the above description, the water trickled down from the water inlet end of bathing unit 22 is filtered by hair filter screen 222
It reaches thermal-arrest pond 223 afterwards to be collected, the bath water with residual temperature in thermal-arrest pond 223 reaches primary filter by pipeline again
It is filtered, rational in infrastructure, timely convenient for the bath water to carrying residual temperature is collected and discharged.
Further, the bath wastewater collecting part further includes liquid-level switch 10 and blowdown water valve 11, and the liquid level is opened
It closes 10 to be arranged on the side wall of the collection waste water tank 17, the blowdown water valve 11 is arranged on the bottom of the collection waste water tank 17.
Seen from the above description, the liquid-level switch 10 is used for the height of the bath water to being stored in the collection waste water tank 17
It is detected, when the height of bath water reaches certain value, waste water water supply pump 18 is closed, stop continuing into collection waste water tank 17
Bath water is conveyed, prevents the water too spill-over in collection waste water tank 17 from going out；The blowdown water valve 11 is used for discharging positioned at heat collection water tank 20
In water, when the temperature of the water in heat collection water tank 20 is reduced to a certain extent, can not just continue as water resource heat pump heating part
The heat source divided, just needs to bleed off in the water in heat collection water tank 20 at this time, only needs to open blowdown water valve 11 at this time.
Further, the bath wastewater collecting part further includes secondary conduit filter 9 and waste heat recovery circulating pump 8,
The collection waste water tank 17 is connected by pipeline with the secondary conduit filter 9, the secondary conduit filter 9 by pipeline and
The water inlet connection of the waste heat recovery circulating pump 8, the water outlet of the waste heat recovery circulating pump 8 pass through pipeline and the evaporation
The water inlet connection of device 2.
Seen from the above description, control whether the bath water collected in waste water tank 17 being sent by waste heat recovery circulating pump 8
It is used in evaporator 2, control operation is convenient；Before the bath water in collecting waste water tank 17 enters waste heat recovery circulating pump 8
It is filtered again once by secondary conduit filter 9, prevents the sundries in bath water from entering waste heat recovery circulating pump 8, structure
Rationally.
Further, the secondary conduit filter 9 is screen pack, and the pipeline primary filter 16 is filter screen
Plate.
Seen from the above description, the impurity such as the hair in bath water are filtered by screen pack, pass through filter screen
Plate is filtered the impurity such as the hair in bath water.
Further, the bath wastewater collecting part further includes the first temperature sensor, and the heating heat accumulating portion is also
Including second temperature sensor and three-temperature sensor, first temperature sensor is mounted on the collection waste water tank 17,
The second temperature sensor is mounted on the heating press-bearing water tank 23, and the three-temperature sensor is mounted on the thermal-arrest
On water tank 20.
Seen from the above description, it is detected with the first temperature sensor come the temperature to water in collection waste water tank 17, works as collection
Water temperature in waste water tank 17 down to setting temperature when, the water collected in waste water tank 17 is discharged, so that is more renewed in time washes
Bath water is come in；It is detected with second temperature sensor come the temperature to water in heating press-bearing water tank 23, when heating press-bearing water tank
When temperature in 23 reaches the temperature of setting, opening feed water valve 12 makes the water in heating press-bearing water tank 23 flow in heat collection water tank 20
It is to be used；It is detected with three-temperature sensor come the temperature to the water in heat collection water tank 20, the temperature in heat collection water tank 20
Degree meets the temperature requirement that uses, and the hot water in heat collection water tank 20 directly feeds bathing unit 22, for ensureing bathing unit 22
Accurate constant temperature water supply avoids generating sometimes hot and sometimes cold bad experience.
Fig. 1 is refer to, the embodiment one of the utility model is：
A kind of waste heat recovery hot water system, including bath wastewater collecting part, water resource heat pump heating part and heating heat accumulation
Part, the bath wastewater collecting part include at least one bathing unit 22, pipeline primary filter 16, waste water water supply pump
18 sum aggregate waste water tanks 17 reach pipeline primary filter through the bath water with residual temperature that bathing unit 22 flows out by pipeline
16, then the water inlet of waste water water supply pump 18 is reached by pipeline, the water outlet of waste water water supply pump 18 is useless by pipeline and the collection
Water tank 17 connects；The water resource heat pump heating part includes evaporator 2, compressor 1, condenser 4 and throttle valve 3, and the collection is useless
Water tank 17 is connected by pipeline with the water inlet of the evaporator 2, is also connected by pipeline with the water outlet of the evaporator 2,
The gas vent of the evaporator 2 is connected with the gas access of the compressor 1, the gas vent of the compressor 1 with it is described
The gas access connection of condenser 4, the liquid outlet of the condenser 4 pass through throttle valve 3 and the refrigerant liquid of the evaporator 2
Entrance connects, and the heating heat accumulating portion includes water compensating valve 13, heating press-bearing water tank 23, feed water valve 12, heat collection water tank 20, pressure-bearing
Tank intake valve of water 7, press-bearing water tank outlet valve 6, heat collection water tank inlet valve 14 and heat collection water tank outlet valve 19, the water compensating valve 13 with
The heating press-bearing water tank 23 connects, and the heating press-bearing water tank 23 is connected by the feed water valve 12 and the heat collection water tank 20
Logical, the heating press-bearing water tank 23 is connected by the press-bearing water tank outlet valve 6 with the water inlet of the condenser 4, described to add
Hot press-bearing water tank 23 is connected by the press-bearing water tank inlet valve 7 with the water outlet of the condenser 4, and the heat collection water tank 20 is logical
The water inlet that the heat collection water tank outlet valve 19 is crossed with the condenser 4 connects, and the heat collection water tank 20 passes through the collection hot water
Case inlet valve 14 is connected with the water outlet of the condenser 4, and the heat collection water tank 20 also passes through pipeline and the bathing unit 22
Water inlet end connection.
Fig. 1 is refer to, the embodiment two of the utility model is：
A kind of waste heat recovery hot water system, on the basis of embodiment one, the heating heat accumulating portion further includes heating and follows
Ring pump 5, water supply pump 21, water level switch 15, relief valve 24, second temperature sensor and three-temperature sensor, the heating are held
Pressure water tank 23 is connected by the press-bearing water tank outlet valve 6 with the water inlet of heat cycles pump 5, and the heat collection water tank 20 is logical
The water inlet for crossing the heat collection water tank outlet valve 19 and the heat cycles pump 5 connect, the water outlet of the heat cycles pump 5 and
The water inlet connection of the condenser 4, the heat collection water tank 20 is connected by pipeline with the water inlet of the water supply pump 21, described
The water outlet of water supply pump 21 is connected by pipeline with the water inlet end of the bathing unit 22, and the water level switch 15 is arranged on described
On heat collection water tank 20, the relief valve 24 is arranged on the heating press-bearing water tank 23, and the second temperature sensor is mounted on
On the heating press-bearing water tank 23, the three-temperature sensor is mounted on the heat collection water tank 20；
The bathing unit 22 include bathroom 221, thermal-arrest pond 223 and hair filter screen 222, the bathing unit 22 into
Water end (W.E.) is located at the top in the bathroom 221, and the ground in the bathroom 221 is equipped with thermal-arrest pond 223, and the hair filter screen 222 is pacified
At the upper end opening in the thermal-arrest pond 223, the thermal-arrest pond 223 is connected by pipeline and the pipeline primary filter 16
It is logical；
The bath wastewater collecting part further includes liquid-level switch 10, blowdown water valve 11, secondary conduit filter 9, waste heat
Circulating pump 8, the first temperature sensor are recycled, the liquid-level switch 10 is arranged on the side wall of the collection waste water tank 17, the row
Sewage valve 11 is arranged on the bottom of the collection waste water tank 17, and the collection waste water tank 17 passes through pipeline and the secondary conduit filter
9 connections, the secondary conduit filter 9 are connected by pipeline with the water inlet of the waste heat recovery circulating pump 8, and the waste heat returns
The water outlet for receiving circulating pump 8 is connected by pipeline with the water inlet of the evaporator 2, and the secondary conduit filter 9 is filtering
Web plate, the pipeline primary filter 16 are screen pack, and first temperature sensor is mounted on the collection waste water tank 17.
The operation principle of above-mentioned waste heat recovery hot water system is：When bathing unit 22, which has, generates bath wastewater, band is had a surplus
The bath wastewater of heat first passes through hair filter screen 222 and filters hair, then drops in thermal-arrest pond 223, wherein bathing unit 22 can
To be 1 or multiple, the bath water collected in thermal-arrest pond 223 passes through waste water water supply pump 18 and extracts to collection waste water tank 17
In, and bath water in thermal-arrest pond 223 reach waste water water supply pump 18 before first pass through a pipeline primary filter 16 into
Row filters hair, and whether the liquid level detected by liquid-level switch 10 in collection waste water tank 17 reaches the height of setting, is set if reached
Fixed height then closes waste water water supply pump 18, stops pumping into collection waste water tank 17；After water resource heat pump heating part is opened, lead to
Excess enthalpy heat recovery cycle pump 8 extracts the waste water collected in waste water tank 17 into evaporator 2, and the waste water in waste water tank 17 is collected reaches
Secondary conduit filter 9 is first passed through before waste heat recovery circulating pump 8 to carry out filtering hair, the waste water in waste water tank 17 is collected reaches
After evaporator 2, the waste heat in waste water is then absorbed by the refrigerant in evaporator 2, is reached after the refrigerant endothermic gasification in evaporator 2
The gas for becoming high temperature and pressure is compressed in compressor 1, is then reached in condenser 4, and to heating pressure-bearing in condenser 4
The water that condenser 4 is reached in water tank 23 is heated or the water of arrival condenser 4 in heat collection water tank 20 is heated；When
Heat collection water tank inlet valve 14 is closed with heat collection water tank outlet valve 19, and press-bearing water tank inlet valve 7 is opened with press-bearing water tank outlet valve 6,
Heat cycles pump 5 is opened, the clean water heated in press-bearing water tank 23 is extracted into condenser 4 and is heated, is then returned again
Into heating press-bearing water tank 23；Clean water, the feed water valve 12 1 are supplied into heating press-bearing water tank 23 by water compensating valve 13
End is connected by pipeline with the upper end of the heating press-bearing water tank 23, and the other end is connected by pipeline and 20 bottom of heat collection water tank
Logical, when opening water compensating valve 13 and feed water valve 12, water compensating valve 13 supplies clean cold water, feed water valve 12 into heating press-bearing water tank 23
The heated water heated in press-bearing water tank 23 is drained into be used in heat collection water tank 20；Water supply pump 21 is opened, by heat collection water tank
Hot water in 20 is evacuated to bathing unit 22 and is used；When three-temperature sensor detects that the water temperature in heat collection water tank 20 is down to
During certain temperature, press-bearing water tank inlet valve 7 and press-bearing water tank outlet valve 6 are closed, opens 14 sum aggregate hot water of heat collection water tank inlet valve
Case outlet valve 19 opens heat cycles pump 5, the hot water extraction in heat collection water tank 20 is continued to heat into condenser 4, from
And ensure the temperature of the water in heat collection water tank 20, avoid causing the waste of water resource.
When in use, further, the water temperature after general bathing at least also has 25-30 to above-mentioned waste heat recovery hot water system
DEG C, therefore used in bath wastewater containing enough energy supply water resource heat pump heating parts, when the first temperature sensor is examined
After the water temperature in collection waste water tank 17 is measured less than 15 DEG C, then the waste water collected in waste water tank 17 is exhausted by blowdown water valve 11,
And it reopens the extraction belt into collection waste water tank 17 of waste water water supply pump 18 and has the bath wastewater of residual temperature；When heating in press-bearing water tank 23
Water reach design temperature, such as at 55 DEG C, open water compensating valve 13 and feed water valve 12, the water transfer in press-bearing water tank 23 will be heated
It is for use into heat collection water tank 20, it avoids generating sometimes hot and sometimes cold bad experience when using；Using heating press-bearing water tank 23, water compensating valve
13 and inlet valve, the water circulating pump between heating press-bearing water tank 23 and heat collection water tank 20 can be saved, so as to reduce system operation
Energy consumption, in addition, by setting heating press-bearing water tank 23 and heat collection water tank 20, primarily to when heating press-bearing water tank 23 is mended
During water, non-uniform water enters bathing unit 22 and generates sometimes hot and sometimes cold bad experience after avoiding cold and hot mixing.
In conclusion waste heat recovery hot water system provided by the utility model, by bath wastewater collecting part to bathing
The bath wastewater of unit 22 is collected, and the bathing being located in collection waste water tank 17 is on the one hand drawn by water resource heat pump heating part
On the other hand the residual temperature of waste water heats the clean water in heating press-bearing water tank 23 or to being done in heat collection water tank 20
Net water is heated, and the storage facilities of the clean hot water after heating is used as by heat collection water tank 20, is avoided because water compensating valve
The phenomenon that sometimes hot and sometimes cold caused by supplying water after 13 unlatchings directly to bathing unit 22, the temperature for keeping 22 user of bathing unit are permanent
It is fixed, the heat in bath wastewater is efficiently used, greatly improves system unit efficiency, so as to reach energy-saving and environment-friendly purpose.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model are directly or indirectly used in relevant technology neck
Domain is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of waste heat recovery hot water system, which is characterized in that including bath wastewater collecting part, water resource heat pump heating part and
Heat accumulating portion is heated, the bath wastewater collecting part includes at least one bathing unit, pipeline primary filter, waste water and supplies
Water pump sum aggregate waste water tank, the bath water with residual temperature through bathing unit outflow reach pipeline primary filter by pipeline, then
The water inlet of waste water water supply pump is reached by pipeline, the water outlet of waste water water supply pump is connected by pipeline with the collection waste water tank；
The water resource heat pump heating part includes evaporator, compressor, condenser and throttle valve, and the collection waste water tank passes through pipeline and institute
The water inlet connection of evaporator is stated, is also connected by pipeline with the water outlet of the evaporator, the gas vent of the evaporator
It is connected with the gas access of the compressor, the gas vent of the compressor is connected with the gas access of the condenser, institute
The liquid outlet for stating condenser is connected by throttle valve with the refrigerant liquid entrance of the evaporator, the heating heat accumulating portion bag
Include water compensating valve, heating press-bearing water tank, feed water valve, heat collection water tank, press-bearing water tank inlet valve, press-bearing water tank outlet valve, heat collection water tank
Inlet valve and heat collection water tank outlet valve, the water compensating valve are connected with the heating press-bearing water tank, and the heating press-bearing water tank passes through
The feed water valve is connected with the heat collection water tank, and the heating press-bearing water tank passes through the press-bearing water tank outlet valve and the condensation
The water inlet connection of device, the heating press-bearing water tank are connected by the water outlet of the press-bearing water tank inlet valve and the condenser
Logical, the heat collection water tank is connected by the heat collection water tank outlet valve with the water inlet of the condenser, and the heat collection water tank leads to
It crosses the heat collection water tank inlet valve to connect with the water outlet of the condenser, the heat collection water tank also passes through pipeline and the bathing
The water inlet end connection of unit.
2. waste heat recovery hot water system according to claim 1, which is characterized in that the heating heat accumulating portion, which further includes, to be added
Hot recycle pump, the heating press-bearing water tank are connected by the press-bearing water tank outlet valve with the water inlet that the heat cycles pump,
The heat collection water tank is connected by the heat collection water tank outlet valve with the water inlet that the heat cycles pump, the heat cycles pump
Water outlet connected with the water inlet of the condenser.
3. waste heat recovery hot water system according to claim 1, which is characterized in that the heating heat accumulating portion further includes confession
Water pump, the heat collection water tank are connected by pipeline with the water inlet of the water supply pump, and the water outlet of the water supply pump passes through pipeline
It is connected with the water inlet end of the bathing unit.
4. waste heat recovery hot water system according to claim 1, which is characterized in that the heating heat accumulating portion further includes water
Bit switch, the water level switch are arranged on the heat collection water tank.
5. waste heat recovery hot water system according to claim 1, which is characterized in that the heating heat accumulating portion, which further includes, to be let out
Pressure valve, the relief valve are arranged on the heating press-bearing water tank.
6. waste heat recovery hot water system according to claim 1, which is characterized in that the bathing unit includes bathroom, collection
Hot pond and hair filter screen, the water inlet end of the bathing unit are located at the top in the bathroom, and the ground in the bathroom is equipped with collection
Hot pond, the hair filter screen are mounted at the upper end opening in the thermal-arrest pond, and the thermal-arrest pond passes through pipeline and the pipeline
Primary filter connects.
7. waste heat recovery hot water system according to claim 1, which is characterized in that the bath wastewater collecting part also wraps
Liquid-level switch and blowdown water valve are included, the liquid-level switch is arranged on the side wall of the collection waste water tank, and the blowdown water valve is set
In the bottom of the collection waste water tank.
8. waste heat recovery hot water system according to claim 1, which is characterized in that the bath wastewater collecting part also wraps
Secondary conduit filter and waste heat recovery circulating pump are included, the collection waste water tank is connected by pipeline and the secondary conduit filter
Logical, the secondary conduit filter is connected by pipeline with the water inlet of the waste heat recovery circulating pump, and the waste heat recovery follows
The water outlet of ring pump is connected by pipeline with the water inlet of the evaporator.
9. waste heat recovery hot water system according to claim 8, which is characterized in that the secondary conduit filter is filtering
Web plate, the pipeline primary filter are screen pack.
10. waste heat recovery hot water system according to claim 1, which is characterized in that the bath wastewater collecting part is also
Including the first temperature sensor, the heating heat accumulating portion further includes second temperature sensor and three-temperature sensor, described
First temperature sensor is mounted on the collection waste water tank, and the second temperature sensor is mounted on the heating press-bearing water tank
On, the three-temperature sensor is mounted on the heat collection water tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512109.9U CN207422671U (en) | 2017-11-13 | 2017-11-13 | A kind of waste heat recovery hot water system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721512109.9U CN207422671U (en) | 2017-11-13 | 2017-11-13 | A kind of waste heat recovery hot water system |
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| CN207422671U true CN207422671U (en) | 2018-05-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726617A (en) * | 2017-11-13 | 2018-02-23 | 北京众信科源科技有限公司 | A kind of waste heat recovery hot water system |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726617A (en) * | 2017-11-13 | 2018-02-23 | 北京众信科源科技有限公司 | A kind of waste heat recovery hot water system |
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