CN206817820U - A kind of twin-stage direct-heating-type sewage source heat pump unit - Google Patents

A kind of twin-stage direct-heating-type sewage source heat pump unit Download PDF

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Publication number
CN206817820U
CN206817820U CN201720503014.4U CN201720503014U CN206817820U CN 206817820 U CN206817820 U CN 206817820U CN 201720503014 U CN201720503014 U CN 201720503014U CN 206817820 U CN206817820 U CN 206817820U
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China
Prior art keywords
water
shell
heating
heat pump
tube
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Expired - Fee Related
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CN201720503014.4U
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Chinese (zh)
Inventor
江河
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Shanxi Wen Long Sino American Ring Polytron Technologies Inc
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Shanxi Wen Long Sino American Ring Polytron Technologies Inc
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Abstract

A kind of twin-stage direct-heating-type sewage source heat pump unit, belongs to sewage source heat pump machine set technology field, it is characterised in that:Including two sewage source heat pump heating modules, two sewage source heat pump heating modules are separate refrigeration system, and two refrigeration systems work simultaneously or a refrigeration system works independently, and another refrigeration system is as standby.Contaminated water evaporator of the present utility model is easier to clean, and using the method for level Four heating, efficient shell-tube type waste-heat recoverer and condenser are used for extracting heat from sewage, while in condensation side, point level Four produces domestic hot-water, so as to improve hot water effluent's temperature of unit and whole efficiency.

Description

A kind of twin-stage direct-heating-type sewage source heat pump unit
Technical field
The utility model belongs to sewage source heat pump machine set technology field, and in particular to the one of heat can be carried from bath wastewater Kind twin-stage direct-heating-type sewage source heat pump unit.
Background technology
Existing sewage source heat pump unit, substantially there are two kinds to take hot mode, one kind is to allow sewage after preliminary filtering Into the evaporator of sewage source heat pump, sewage source heat pump is included by scroll compressor, condenser, evaporator, expansion valve, connection Pipeline and robot control system(RCS) composition.Major function is that heat is extracted from sewage, for producing domestic hot-water or winter heating.
Another method is to use sewage heat change module, sewage heat change module is arranged in cesspool, using running water From sewage heat change module by, then by running water enter sewage source heat pump evaporator, heat is extracted from sewage so as to realize, For producing domestic hot-water or winter heating.
Both the above takes hot mode, is required to heat running water using sewage source heat pump unit, and source of sewage is hot The uncontrollable dirty stifled or efficiency of pump assembly is low, the problems such as leaving water temperature is low, particularly as the overall efficiency of unit is poorer, and water temperature It is required that when higher, the efficiency of unit can be caused drastically to decline, be unfavorable for the whole energy of system.
Utility model content
For the deficiencies in the prior art, the utility model provides the thermal efficiency a kind of high twin-stage direct-heating-type source of sewage Source pump, it can be by two-stage sewage source heat pump module, the method heated using level Four, for extracting heat from sewage Amount, while efficient shell-tube type waste-heat recoverer and condenser are used in condensation side, a point level Four produces domestic hot-water, so as to improve The hot water effluent's temperature and whole efficiency of unit.
In order to realize foregoing invention purpose, the technical solution adopted in the utility model is:
A kind of twin-stage direct-heating-type sewage source heat pump unit, it is characterised in that:Including two sewage source heat pump heating modules, dirts Water land source side water pump(34), hot water side circulating pump(27), sewage land source side water pump(34)Connect contaminated water evaporator(36), contaminated water evaporator (36)Two sewage source heat pump heating modules are connected respectively;Hot water side circulating pump(27)Connect two sewage source heat pump heated moulds Block.
The sewage source heat pump heating module includes vortex heat pump compressor(1), efficient shell-tube type waste-heat recoverer (3), vapour liquid separator(10), efficient shell and tube condenser(12)And heating power expansion valve(28), contaminated water evaporator(36).
The vapour liquid separator(10)Contaminated water evaporator is connected respectively(36), vortex heat pump compressor(1);Vortex heat Pump compressor(1)Connect efficient shell-tube type waste-heat recoverer(3);Efficient shell-tube type waste-heat recoverer(3)Connect efficient shell-tube type Condenser(12).
Two sewage source heat pump heating modules of the twin-stage direct-heating-type sewage source heat pump unit are separate refrigeration System, each system are simultaneously operable, and can also be worked independently and standby each other.And each refrigeration system first with condensation Device heats water, recycles waste-heat recoverer further to lift water temperature.
This twin-stage direct-heating-type sewage source heat pump unit, employ efficient shell-tube type waste-heat recoverer and the condensation of efficient shell-tube type Device is used as cooling down and condensation function, and efficiently shell and tube condenser uses the condenser with reservoir function for this, and this heat exchanger is by inner disc The passage that refrigerant cavity between pipe and shell flows as refrigerant, and the passage that inner coil pipe is flowed as water, so Can effectively increases the heat exchanger effectiveness between water and refrigerant, using smaller structure with regard to that can obtain heat exchange effect well Fruit, and larger water-carrying capacity is can guarantee that, it is not easily blocked, and high pressure can be used as by the use of the inner chamber of efficient shell and tube condenser Liquid reservoir uses, the storage of refrigerant when being advantageous to run under different working conditions.
This twin-stage direct-heating-type sewage source heat pump unit, employs contaminated water evaporator(36), this contaminated water evaporator(36)Using Etch-proof seawater heat exchanger standard design, heat exchanger tube use B10 Copper-nickel alloy tubes, and evaporator pipe sheet uses clad tubesheet, Contaminated water evaporator(36))The upper and lower of housing is respectively equipped with rinse mouth and discharge port, efficiently solves and washes dirty bath water heat exchanging device Etching problem and flushing problem, from the reliability for improving equipment.
Compared with existing sewage source heat pump technology, two sewage source heat pump heating modules of the present utility model are separate Refrigeration system, each system is simultaneously operable, can also work independently and standby each other.And the first profit of each refrigeration system Water is heated with condenser, recycles waste-heat recoverer further to lift water temperature.
Contaminated water evaporator of the present utility model is easier to clean, and using the method for level Four heating, for from sewage Heat to be extracted, while efficient shell-tube type waste-heat recoverer and condenser are used in condensation side, a point level Four produces domestic hot-water, so as to Improve the hot water effluent's temperature and whole efficiency of unit.
Brief description of the drawings
Fig. 1 is a kind of structural representation of twin-stage direct-heating-type sewage source heat pump unit.
In figure, the 1, first heat pump screw compressor, 2, first exhaust pipeline, the 3, first efficient shell-tube type waste-heat recoverer, 4th, hot water outlet pipe, 5, outlet pipeline, 6, second exhaust pipeline, the 7, second efficient shell-tube type waste-heat recoverer, the 8, second heat pump Screw compressor, the 9, second return line, the 10, second gas-liquid separator, the 11, the 3rd return line, the 12, first condenser pipe, 13rd, bypass line, the 14, second water by-pass valve, 15, water route on-off valve, 16, water-carrying capacity temperature control valve (TCV), 17, inlet pipeline, 18th, the first efficient shell and tube condenser water outlet bypass line, the 19, second condenser pipe, the 20, second efficient shell and tube condenser, 21st, the second efficient shell and tube condenser drain pipe, the 22, second efficient shell and tube condenser water inlet pipe, 23, check valve, 24, first Water by-pass valve, 25, cold water outlet pipe, 26, cold water inlet, 27, hot water side circulating pump, the 28, first condenser, 29, second Heating power expansion valve, the drain pipe of the 30, first efficient shell and tube condenser, the 31, first heating power expansion valve, the 32, second wastewater influent Pipe, the 33, first sewage water inlet pipe, 34, sewage source circulating pump, 35, sewage outlet pipe, 36, contaminated water evaporator, the 37, second gas Liquid/gas separator, the 38, the 4th return line, the 39, first return line, 40, temperature sensor.
Embodiment
The utility model is further described with reference to specific embodiment.
As shown in figure 1, a kind of twin-stage direct-heating-type sewage source heat pump unit, including two sewage source heat pump modules, wherein the One sewage source heat pump module includes the first heat pump screw compressor 1, first exhaust pipeline 2, the first efficient shell-tube type waste heat recovery Device 3, the first condenser pipe 12, the first efficient shell and tube condenser 28, the first condenser pipe 19, the first heating power expansion valve 31, dirt Water evaporimeter 36, the first return line 34, the first gas-liquid separator 35 and the second return line 36 are formed by connecting, and refrigerant is at it Middle circulation.
First heat pump screw compressor 1 is connected by first exhaust pipeline 2 with the first efficient shell-tube type waste-heat recoverer 3, And it is connected by the first return line 39 with the first gas-liquid separator 35;First efficient shell-tube type waste-heat recoverer 3 passes through first Condenser pipe 12 is connected with the first efficient shell and tube condenser 28, and the first efficient shell and tube condenser 28 passes through pipeline 30 and sewage Evaporator 36 connects;First gas-liquid separator 35 is connected by the 4th return line 38 with contaminated water evaporator 36;
Second sewage source heat pump module includes the second heat pump screw compressor 8, second exhaust pipeline 6, the second efficient package Formula waste-heat recoverer 7, the second efficient shell and tube condenser 20, the 4th condenser pipe 18, the second heating power expansion valve 29, sewage evaporation Device 36, the 3rd return line 11, the second gas-liquid separator 10 and the 4th return line 9 are formed by connecting, and refrigerant circulates wherein. Second efficient shell-tube type waste-heat recoverer 7 is connected by second exhaust pipeline 6 with the second heat pump screw compressor 8, the second heat pump Screw compressor 8 is connected by the 4th return line 9 with the second gas-liquid separator 10;Second gas-liquid separator 10 passes through the 3rd time Air pipe 11 is connected with contaminated water evaporator 36;
Second efficient shell-tube type waste-heat recoverer 7 passes through 15 and second efficient shell-tube type of inlet pipeline 17 and water route on-off valve Condenser 20 connects, and is connected by the second condenser pipe 19 with the second efficient shell and tube condenser 20;
Outside two sewage source heat pump module water scavenging systems, refrigerant system is completely independent operation, therefore can basis The needs of water temperature, different systems take different refrigerants, and the module of such as the first sewage source heat pump uses R407C or R417A As refrigerant, the module of the second sewage source heat pump uses R134a as refrigerant.Dual system can work simultaneously, can also It is standby each other, heated, leaving water temperature can be produced to more than 70 degree by level Four.
Pass through wastewater influent pipeline 32 and sewage source circulating pump 34 in the water side water inlet of the contaminated water evaporator 36 Outlet is connected, and the import of sewage source circulating pump 34 is connected by sewage water inlet pipe 33 with cesspool.The water of contaminated water evaporator 36 Side delivery port is directly discharged to municipal sewage pipe network by sewage outlet pipe 35.
Efficient shell-tube type waste-heat recoverer and efficient shell and tube condenser are used as cooling down and condensation function.
The efficiently shell and tube condenser use the condenser with reservoir function, efficient shell and tube condenser by inner coil pipe and The passage that refrigerant cavity between shell flows as refrigerant, the passage that inner coil pipe flows as water, can be effectively increased Heat exchanger effectiveness between water and refrigerant, using smaller structure with regard to good heat transfer effect can be obtained, and it can guarantee that larger Water-carrying capacity, be not easily blocked, and can be used by the use of inner chamber as high pressure receiver, be advantageous to storage part during different operating modes Refrigerant.
As shown in figure 1, hot water side circulating pump 27, the first water by-pass valve 24, the second water by-pass valve 14, water route break-make Valve 15, check valve 23, water-carrying capacity temperature adjustment 16, temperature sensor 40 and water lines connect and compose hot water heating loop.
Cold water enters the suction side of hot water side circulating pump 27 through cold water inlet 26, makees in the pressurization of hot water side circulating pump 27 Under, after cold water outlet pipe 25, it is divided into two-way, passes through into the first efficient shell and tube condenser 28, another way all the way After one water by-pass valve 24, into the second efficient shell and tube condenser 20, heated by the first efficient shell and tube condenser 28 Afterwards, after the outlet pipeline 13 of the first efficient shell and tube condenser 28, it is divided into two-way, passes through the second water by-pass valve 14 all the way It is connected with the outlet pipeline of the first efficient shell and tube condenser 28, it is cold to enter the second efficient shell-tube type by check valve 23 all the way Condenser 20.The outlet pipeline of first efficient shell and tube condenser 28 also by way of in parallel with water route on-off valve 15 and water-carrying capacity Temperature control valve (TCV) 16 is connected, and passes through efficient 17 and second efficient shell-tube type waste heat recovery of shell-tube type waste-heat recoverer inlet pipeline Device 7 is connected, and the second efficient shell-tube type waste-heat recoverer 7 passes through its outlet pipeline 5 and the first efficient phase of shell-tube type waste-heat recoverer 3 Even, the hot water outlet pipe 4 of the water side connection of the first efficient shell-tube type waste-heat recoverer 3, is provided with temperature on hot water outlet pipe 4 Sensor 40.
When this twin-stage direct-heating-type sewage source heat pump unit works, cold water is introduced into the first efficient shell and tube condenser 28 and added Heat, then according to final outflow water temperature conditions, interlocked by the first water by-pass valve 24 and the break-make of the second water by-pass valve 14, it is real It is now that, if leaving water temperature is low, the first water by-pass valve 24 is powered using the heating in parallel of two condensers or series connection heating And the second water by-pass valve 14 powers off, two condenser series operations, after the first efficient shell and tube condenser 28 heats, then enter Enter the second efficient shell and tube condenser 20 to heat., whereas if leaving water temperature is high, then the first water by-pass valve 24 power off and second Water by-pass valve 14 is powered, two condenser parallel runnings, while it is efficient to carry out the first efficient shell and tube condenser 28 and second Shell and tube condenser 20 heats.
Out pass through preliminarily heated water from the second efficient shell and tube condenser 20, pass through water-carrying capacity temperature control valve (TCV) 16 After the adjustment effect of water temperature, pass sequentially through the second efficient 7 and first efficient shell-tube type waste heat of shell-tube type waste-heat recoverer and return The series connection for receiving device 3 is heated twice, is further improved water temperature, is reached the purpose that approximate directly-heated goes out hot water, so as to meet to use need Ask.
The contaminated water evaporator 36 is designed using etch-proof seawater heat exchanger standard, and heat exchanger tube uses B10 corronils Pipe, evaporator pipe sheet use clad tubesheet, and upper and lower in the housing of contaminated water evaporator 36 is respectively equipped with rinse mouth and discharge port, effectively Solve the etching problem for washing dirty bath water heat exchanging device and rinse problem, from the reliability for improving equipment.

Claims (9)

  1. A kind of 1. twin-stage direct-heating-type sewage source heat pump unit, it is characterised in that:Including two sewage source heat pump heating modules, two Sewage source heat pump heating module is separate refrigeration system, and two refrigeration systems work simultaneously or a refrigeration system is independent Work, another refrigeration system is as standby.
  2. A kind of 2. twin-stage direct-heating-type sewage source heat pump unit according to claim 1, it is characterised in that:Two sewage source heat pumps Connected between heating module by by-passing valve.
  3. A kind of 3. twin-stage direct-heating-type sewage source heat pump unit according to claim 1 or claim 2, it is characterised in that:The source of sewage Heat pump module include contaminated water evaporator, vapour liquid separator, vortex heat pump compressor, efficient shell-tube type waste-heat recoverer, Efficient shell and tube condenser and heating power expansion valve, contaminated water evaporator connection vapour liquid separator, vapour liquid separator connection vortex heat Pump compressor, vortex heat pump compressor connect efficient shell-tube type waste-heat recoverer, and efficient shell-tube type waste-heat recoverer connection is high Imitate shell and tube condenser.
  4. A kind of 4. twin-stage direct-heating-type sewage source heat pump unit according to claim 3, it is characterised in that:The contaminated water evaporator Two vapour liquid separators, two efficient shell and tube condenser, sewage land source side water pump and sewage outlet pipes are connected respectively.
  5. A kind of 5. twin-stage direct-heating-type sewage source heat pump unit according to claim 4, it is characterised in that:Two efficient shell-tube types By-passing valve is installed between condenser on connecting line, connected on the pipeline between by-passing valve and the first efficient shell and tube condenser Bye-pass is connected to, the bye-pass is provided with check valve and connects the first efficient shell and tube condenser and the second efficient shell-tube type condensation Connecting line connection between device;Connecting line connection hot water circuit between first efficient shell and tube condenser and by-passing valve Pump;One expansion valve is installed on the refrigerant line between the first efficient shell and tube condenser and contaminated water evaporator;Second Another expansion valve efficiently is installed on the refrigerant line between shell and tube condenser and contaminated water evaporator.
  6. A kind of 6. twin-stage direct-heating-type sewage source heat pump unit according to claim 5, it is characterised in that:The second efficient shell The open close valve in water route is installed on the connecting line of trumpet cooler and the second waste-heat recoverer.
  7. A kind of 7. twin-stage direct-heating-type sewage source heat pump unit according to claim 5, it is characterised in that:The first efficient shell By-passing valve and water-carrying capacity temperature control valve (TCV) are installed on the connecting line of trumpet cooler and the first waste-heat recoverer.
  8. A kind of 8. twin-stage direct-heating-type sewage source heat pump unit according to claim 1, it is characterised in that:Running water enters through cold water Water pipe(26)Into hot water side circulating pump(27)Suction side, in hot water side circulating pump(27)Pressurization under, pass through cold water Outlet pipe(25)Afterwards, it is divided into two-way, all the way into the first efficient shell and tube condenser(28), another way passes through the first water by-pass After valve (24), into the second efficient shell and tube condenser(20), and pass through the first efficient shell and tube condenser(28)After heating, warp Cross the first efficient shell and tube condenser(28)Outlet pipeline(5)Afterwards, it is divided into two-way, passes through the second water by-pass valve (14) all the way With the first efficient shell and tube condenser(28)Outlet pipeline be connected, the second efficient package is entered by check valve (23) all the way Formula condenser(20);First efficient shell and tube condenser(28)Outlet pipeline also by way of in parallel with water route on-off valve (15) it is connected with water-carrying capacity temperature control valve (TCV) (16), and passes through efficient shell-tube type waste-heat recoverer inlet pipeline(17)It is high with second Imitate shell-tube type waste-heat recoverer(7)It is connected, the second efficient shell-tube type waste-heat recoverer(7)Pass through its outlet pipeline(5)With first Efficient shell-tube type waste-heat recoverer(3)It is connected, the first efficient shell-tube type waste-heat recoverer(3)Water side connection hot water effluent Pipe(4), in hot water outlet pipe(4)It is provided with temperature sensor(40).
  9. A kind of 9. twin-stage direct-heating-type sewage source heat pump unit according to claim 1, it is characterised in that:Cold water is introduced into first Efficient shell and tube condenser(28)Heating;If leaving water temperature is low, the first water by-pass valve (24) be powered and by the second water route Port valve (14) powers off, two condenser series operations, from the first efficient shell and tube condenser(28)After heating, it is high to enter back into second Imitate shell and tube condenser(20)Heating;If leaving water temperature is high, the first water by-pass valve (24) powers off and the second water by-pass Valve (14) is powered, and two condenser parallel runnings, cold water enters the first efficient shell and tube condenser simultaneously(28)It is efficient with second Shell and tube condenser(20)Heating;
    From the second efficient shell and tube condenser(20)Out pass through preliminarily heated water, pass through water-carrying capacity temperature control valve (TCV) (16) After adjustment effect, the second efficient shell-tube type waste-heat recoverer is passed sequentially through(7)With the first efficient shell-tube type waste-heat recoverer(3)'s Series connection is heated twice, further lifts output water temperature.
CN201720503014.4U 2017-05-08 2017-05-08 A kind of twin-stage direct-heating-type sewage source heat pump unit Expired - Fee Related CN206817820U (en)

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Application Number Priority Date Filing Date Title
CN201720503014.4U CN206817820U (en) 2017-05-08 2017-05-08 A kind of twin-stage direct-heating-type sewage source heat pump unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720503014.4U CN206817820U (en) 2017-05-08 2017-05-08 A kind of twin-stage direct-heating-type sewage source heat pump unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114111042A (en) * 2021-11-24 2022-03-01 江苏天舒电器有限公司 Direct-heating type sewage source heat pump rapid constant hot water outlet device and control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114111042A (en) * 2021-11-24 2022-03-01 江苏天舒电器有限公司 Direct-heating type sewage source heat pump rapid constant hot water outlet device and control method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20171229

Termination date: 20210508