CN111606486A - Sewage filtering anti-blocking machine and sewage source heat pump system comprising same - Google Patents

Sewage filtering anti-blocking machine and sewage source heat pump system comprising same Download PDF

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Publication number
CN111606486A
CN111606486A CN202010375347.XA CN202010375347A CN111606486A CN 111606486 A CN111606486 A CN 111606486A CN 202010375347 A CN202010375347 A CN 202010375347A CN 111606486 A CN111606486 A CN 111606486A
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CN
China
Prior art keywords
sewage
filter screen
cavity
water storage
machine
Prior art date
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Pending
Application number
CN202010375347.XA
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Chinese (zh)
Inventor
张淑荣
孙业山
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Ludong University
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Ludong University
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Filing date
Publication date
Application filed by Ludong University filed Critical Ludong University
Priority to CN202010375347.XA priority Critical patent/CN111606486A/en
Publication of CN111606486A publication Critical patent/CN111606486A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention provides a sewage filtering anti-blockage machine which comprises an anti-blockage machine box body, wherein an internal cavity of the anti-blockage machine box body is divided into three parts, namely a first sewage cavity, a second sewage cavity and a water storage cavity; the sewage that gets into prevent hindering the machine gets into first sewage chamber, second sewage chamber in proper order behind the sewage entry and carries out sewage filtration, and the water storage after the filtration is in the water storage intracavity. The invention adopts two-stage filtration to the hot wastewater and sewage, and recycles the heat of the hot wastewater and sewage through the sewage source heat pump, thereby reducing the heat extraction loss of the hot wastewater and sewage and improving the heat utilization rate. Two-stage filtration, hot waste water sewage impurity significantly reduces, has reduced heat pump set heat transfer equipment's jam, corrosion problem.

Description

Sewage filtering anti-blocking machine and sewage source heat pump system comprising same
Technical Field
The invention relates to the technical field of machinery, in particular to a sewage filtering anti-blocking machine and a sewage source heat pump system comprising the same.
Background
The heat pump is an energy-saving device which fully utilizes low-grade heat energy and is also a new energy technology which is concerned all over the world. The heat pump can transfer heat from a low-temperature object to a high-temperature object, low-grade heat is converted into high-grade heat, and the high-grade heat energy device used by people can utilize the effective low-grade heat energy to achieve the purposes of energy conservation and emission reduction.
The hot water in a public bathroom or the hot water used by enterprises and public institutions in the city has the characteristics of large water quantity and concentrated use time, the hot waste water is still rich in certain heat energy when being discharged at about 35 ℃, the direct discharge causes serious energy waste, and the method is completely not in line with the basic national policy of energy conservation and emission reduction in China. As most of heat contained in the wastewater, which is higher than the ambient temperature, is wasted, if the heat can be recycled, the method has good economic, energy-saving and emission-reducing benefits.
The sewage source heat pump unit can recycle heat of hot waste water and sewage, and the heat of the sewage is transferred to domestic water or a heating system by the heat pump unit by adopting the hot waste water with poor filtering water quality as a heat flow medium. The key technology of the sewage source heat pump system is a sewage anti-blocking technology. Most of the existing sewage anti-blocking technologies adopt rotary drum type and transmission type filtering anti-blocking devices. The sewage is filtered by the filter screen filter surface, the sewage impurities larger than the filter surface holes are intercepted, and the filtered sewage enters the exchanger for heat exchange. The existing sewage filtering anti-blocking machine has the defects of easy damage of a rotary drum, easy blockage of a filtering surface, mixing of inlet water and outlet water and the like.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a novel sewage filtering and resistance preventing machine and a sewage source heat pump system comprising the sewage filtering and resistance preventing machine, so that the sewage filtering efficiency is improved, the cleaning is more convenient, and the safe water taking and the efficient heat exchange of the system are ensured.
A sewage filtering anti-blockage machine comprises an anti-blockage machine box body, wherein an inner cavity of the anti-blockage machine box body is divided into three parts, namely a first sewage cavity, a second sewage cavity and a water storage cavity;
the sewage that gets into prevent hindering the machine gets into first sewage chamber, second sewage chamber in proper order behind the sewage entry and carries out sewage filtration, and the water storage after the filtration is in the water storage intracavity.
Further, according to the sewage filtering anti-blocking machine, the first sewage cavity and the second sewage cavity are arranged in a row in the longitudinal direction and are separated by the first filter screen;
the water storage cavity and the second sewage cavity are arranged in a transverse arrangement mode, the water storage cavity and the second sewage cavity are separated by a second filter screen and a second sewage cavity separation plate, and the second filter screen and the second sewage cavity separation plate are connected together to integrally form a separation mechanism between the water storage cavity and the second sewage cavity;
the first sewage cavity is separated from the water storage cavity through a first sewage cavity separation plate.
Further, according to the sewage filtering resistance-preventing machine, a second filter screen cleaning inlet and a first filter screen cleaning inlet are installed on a resistance-preventing machine cover of the resistance-preventing machine;
a corresponding cleaning pipeline is arranged on the cleaning inlet of the second filter screen, and the outlet of the cleaning pipeline extends to the upper part of the second filter screen; the first filter screen cleaning inlet is arranged above the first filter screen and used for cleaning the first filter screen.
Further, as for the sewage filtering anti-blocking machine, the width of the second filter screen is used as a reference for the cleaning inlet of the second filter screen, and the second filter screen is arranged in a row at equal intervals.
Further, as described above, the first filter screen cleaning inlet includes at least 2 rows, and the setting data of each row is distributed at equal intervals according to the shape and size of the first filter screen.
Further, as for the sewage filtering anti-blocking machine, a rotating shaft for cleaning the filter screen is arranged on the first filter screen, one end of the rotating shaft is hinged on the first filter screen, and the other end of the rotating shaft is hinged on an output shaft of the electric actuating mechanism.
Further, as described above, the sewage filtering blockage prevention machine has the sewage inlet arranged on the blockage prevention machine cover.
Further, as for the sewage filtering resistance-preventing machine, the bottom parts of the water storage cavity and the second sewage cavity are respectively provided with a resistance-preventing machine drain outlet; a water outlet of the water storage cavity is arranged on the side wall of the water storage cavity.
A source heat pump system including the sewage filtering and blockage preventing machine as described above, comprising: the device comprises a resistance prevention machine, a sewage pump, an evaporator, a compressor, a condenser and a domestic water storage tank;
hot wastewater enters the sewage anti-blocking machine through the sewage inlet, is filtered and anti-blocked by the sewage anti-blocking machine, is conveyed to an evaporator of the sewage source heat pump unit through the sewage pump, is absorbed by the sewage source heat pump working medium, the temperature of the heated sewage source heat pump working medium is further increased under the compression work action of the compressor, then the heat is discharged outwards from the condenser, domestic water is subjected to heat exchange through the condenser, and then the heated domestic water is stored in the domestic water storage tank.
Further, in the sewage source heat pump system of the sewage filtering and blockage preventing machine as described above, a fan capable of enhancing air flow in the evaporator is disposed at one side of the evaporator.
Has the advantages that:
the invention adopts two-stage filtration to the hot wastewater and sewage, and recycles the heat of the hot wastewater and sewage through the sewage source heat pump, thereby reducing the heat extraction loss of the hot wastewater and sewage and improving the heat utilization rate. Two-stage filtration, hot waste water sewage impurity significantly reduces, has reduced heat pump set heat transfer equipment's jam, corrosion problem. The filter screen rotating and direct flushing mode is adopted, so that the cleaning is convenient, and the sedimentation and the discharge of impurity and dirt are facilitated. The equipment is simple and reliable and is easy to realize.
Drawings
FIG. 1 is a schematic view of the anti-jamming structure of the present invention;
FIG. 2 is a schematic view of a first filter screen according to the present invention;
FIG. 3 is a schematic view of the anti-blocking cover of the present invention;
FIG. 4 is a schematic diagram of a sewage source heat pump system;
reference numerals:
1-a sewage inlet; 2-preventing the machine from being blocked; 3-a sewage pump; 4-an evaporator; 5-a fan; 6-a compressor; 7-a condenser; 8-a throttle valve; 9-domestic water storage tank; 10-a water pump for life; 11-domestic water pipeline; 12-a sewage outlet; 13-a waste canal; 14-a second screen wash inlet; 15-a first filter screen cleaning inlet; 16-a sewage inlet; 17-anti-blocking machine cover; 18-an electric actuator; 19-a first sewage chamber; 20-a first sewage chamber partition plate; 21-a first filter screen; 22-a second sewage chamber; 23-a rotating shaft; 24-a second sewage chamber partition plate; 25-a second filter screen; 26-a water storage cavity; 27-water outlet of the water storage cavity; 28-preventing machine sewage draining exit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below clearly and completely, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, an embodiment of the present invention provides a sewage filtering anti-clogging machine, which includes an anti-clogging machine box, wherein an internal cavity of the anti-clogging machine box is divided into three parts, which are a first sewage cavity 19, a second sewage cavity 22, and a water storage cavity 26;
the sewage entering the anti-blocking machine sequentially enters the first sewage cavity 19 and the second sewage cavity 22 through the sewage inlet 16 to be filtered, and the filtered water is stored in the water storage cavity 26.
Preferably, the first sewage chamber 19 and the second sewage chamber 22 are arranged in a longitudinal row, and are separated by the first filter screen 21;
the water storage cavity 26 and the second sewage cavity 22 are arranged in a transverse arrangement mode, the water storage cavity 26 and the second sewage cavity 22 are separated from each other through a second filter screen 25 and a second sewage cavity partition plate 24, the second filter screen 25 and the second sewage cavity partition plate 24 are connected together, and a separation mechanism between the water storage cavity 26 and the second sewage cavity 22 is integrally formed;
the first sewage chamber 19 and the water storage chamber 26 are separated by a first sewage chamber partition plate 20.
Preferably, a second filter screen cleaning inlet 14 and a first filter screen cleaning inlet 15 are installed on an anti-blockage machine cover 17 of the anti-blockage machine;
a corresponding cleaning pipeline is arranged on the second filter screen cleaning inlet 14, and the outlet of the cleaning pipeline extends to the upper part of the second filter screen 25; the first filter cleaning inlet 15 is disposed above the first filter 21, and is used for cleaning the first filter 21.
Preferably, the second filter cleaning inlets 14 are arranged in a row at equal intervals with reference to the width of the second filter 25.
Preferably, the first filter cleaning inlet 15 includes at least 2 rows, and the setting data of each row is equally spaced according to the shape and size of the first filter 21.
Preferably, a rotating shaft 23 for cleaning the first filter 21 is provided on the first filter 21, and one end of the rotating shaft 23 is hinged on the first filter 21, and the other end is hinged on the output shaft of the electric actuator 18.
Preferably, the sewage inlet of the anti-blocking machine is provided on the anti-blocking cover 17.
Preferably, a machine blockage prevention sewage outlet 28 is arranged at the bottom of the water storage cavity 26 and the bottom of the second sewage cavity 22; a water storage cavity water outlet 27 is arranged on the side wall of the water storage cavity 26.
The anti-blockage structure provided by the embodiment of the invention adopts a two-stage filtering mode, so that the filtering efficiency of hot wastewater is improved, and the blockage and damage of subsequent working equipment are reduced. Hot waste water enters a first sewage cavity 19 of the anti-blockage machine from a sewage inlet 16, is filtered by a first filter screen 21 to enter a second sewage cavity 22, and enters a filtered water storage cavity 26 for standby by a second filter screen 25, and a water outlet 27 of the water storage cavity is connected with a heat pump and a heat exchanger. After two-stage filtration, the water in the water storage cavity 26 enters the evaporator 4 to release heat. When the anti-blocking machine needs to be cleaned after being used for a long time, the second filter screen cleaning inlet 14 and the first filter screen cleaning inlet 15 enter the anti-blocking machine to clean the filter screens. When in cleaning, the first filter screen 21 can rotate and incline to different angles through the rotating shaft 23 under the action of the electric actuator 18, so that the cleaning is easier. Second filter 25 is flush cleaned under the influence of second filter cleaning inlet 14. The first sewage chamber partition plate 20 and the second sewage chamber partition plate 24 well separate untreated sewage from treated sewage, ensuring the quality of separating water. Meanwhile, the second sewage cavity separation plate 24 avoids the impurities mixed in due to the impact of water flow on the bottom dirt.
As shown in fig. 4, another object of the present invention is to provide a sewage source heat pump system using the sewage filtering and blockage prevention machine, the system comprising: the device comprises a resistance prevention machine 2, a sewage pump 3, an evaporator 4, a compressor 6, a condenser 7 and a domestic water storage tank 9;
hot wastewater enters a sewage resistance prevention machine 2 through a sewage inlet 1, is subjected to filtering resistance prevention treatment by the sewage resistance prevention machine 2, is conveyed to an evaporator 4 of a sewage source heat pump unit through a sewage pump 3, is absorbed by a sewage source heat pump working medium, further increases the temperature of the heated sewage source heat pump working medium under the action of compression work of a compressor 6, then discharges heat outwards at a condenser 7, performs heat exchange on domestic water through the condenser 7, and then stores the heated domestic water into a domestic water storage tank 9; a fan 5 capable of enhancing the flow of air in the evaporator 4 is provided at one side of the evaporator 4.
Specifically, when the waste heat of the hot wastewater is recovered, the hot wastewater and sewage enter the sewage anti-blocking machine 2 from the sewage inlet 1, are filtered and anti-blocked by the sewage anti-blocking machine 2, are conveyed to the evaporator 4 of the sewage source heat pump unit through the sewage pump 3, and are absorbed by the working medium of the sewage source heat pump. While the evaporator 4 absorbs heat of the outside air. The fan 5 is used for enhancing the air flow in the evaporator 4, improving the heat exchange quantity of the evaporator 4 and improving the heat exchange effect. The heated working medium of the sewage source heat pump further raises the temperature under the action of compression work of the compressor 6, and the heat is discharged outwards from the condenser 7, and the part of heat can be used for heating domestic water or heating. The working medium of the sewage source heat pump after releasing heat in the condenser 7 is throttled and decompressed by the throttle valve 8 and returns to the evaporator 4 again to absorb the heat of the hot wastewater and sewage. Through the sewage source heat pump system, the heat of the hot wastewater and the sewage is recycled, and energy conservation and emission reduction are realized. When the temperature of the hot waste water is low and is not suitable for waste heat recovery or waste heat recovery is not carried out, the hot waste water is directly discharged into the waste water channel 13 through the sewage inlet.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A sewage filtering anti-blockage machine comprises an anti-blockage machine box body and is characterized in that an inner cavity of the anti-blockage machine box body is divided into three parts, namely a first sewage cavity (19), a second sewage cavity (22) and a water storage cavity (26);
the sewage that gets into prevent hindering the machine gets into first sewage chamber (19), second sewage chamber (22) in proper order behind sewage entry (16) and carries out sewage filtration, and the water storage after the filtration is in water storage chamber (26).
2. The sewage filtering and blockage preventing machine according to claim 1, wherein the first sewage chamber (19) and the second sewage chamber (22) are arranged in a longitudinal row, and are separated by a first filter screen (21);
the water storage cavity (26) and the second sewage cavity (22) are arranged in a transverse arrangement mode, the water storage cavity (26) and the second sewage cavity (22) are separated from each other through a second filter screen (25) and a second sewage cavity partition plate (24), the second filter screen (25) and the second sewage cavity partition plate (24) are connected together, and a blocking mechanism between the water storage cavity (26) and the second sewage cavity (22) is integrally formed;
the first sewage cavity (19) is separated from the water storage cavity (26) through a first sewage cavity separation plate (20).
3. The sewage filtering resistance preventing machine according to claim 2, wherein a second filter screen cleaning inlet (14) and a first filter screen cleaning inlet (15) are installed on a resistance preventing cover (17) of the resistance preventing machine;
a corresponding cleaning pipeline is arranged on the second filter screen cleaning inlet (14), and the outlet of the cleaning pipeline extends to the upper part of the second filter screen (25); the first filter screen cleaning inlet (15) is arranged above the first filter screen (21) and used for cleaning the first filter screen (21).
4. The sewage filtering and blockage-preventing machine according to claim 3, wherein the second filter screen cleaning inlets (14) are arranged in a row at equal intervals with reference to the width of the second filter screen (25).
5. The sewage filtering and blockage-preventing machine according to claim 3, wherein the first filter screen cleaning inlet (15) comprises at least 2 rows, and the setting data of each row are distributed at equal intervals according to the shape and the size of the first filter screen (21).
6. The sewage filtering resistance preventing machine according to claim 3, wherein a rotating shaft (23) for cleaning the first filter screen (21) is arranged on the first filter screen, one end of the rotating shaft (23) is hinged on the first filter screen (21), and the other end is hinged on an output shaft of the electric actuator (18).
7. The sewage filtration blockage prevention machine according to claim 3, wherein a sewage inlet of the blockage prevention machine is provided on the blockage prevention cover (17).
8. The sewage filtering blockage preventer according to claim 2, wherein a blockage preventer drain outlet (28) is arranged at the bottom of the water storage cavity (26) and the bottom of the second sewage cavity (22); a water outlet (27) of the water storage cavity is arranged on the side wall of the water storage cavity (26).
9. A sewage source heat pump system comprising the sewage filtering resistance preventive machine according to any one of claims 1 to 8, characterized by comprising: the device comprises a resistance prevention machine (2), a sewage pump (3), an evaporator (4), a compressor (6), a condenser (7) and a domestic water storage tank (9);
hot waste water and sewage enter the sewage anti-blocking machine (2) through the sewage inlet (1), are filtered and anti-blocked by the sewage anti-blocking machine (2), are conveyed to the evaporator (4) of the sewage source heat pump unit through the sewage pump (3), are absorbed by the sewage source heat pump working medium, are heated under the compression acting action of the compressor (6), are discharged outwards by the condenser (7), and are subjected to heat exchange through the condenser (7), and then are stored into the domestic water storage tank (9).
10. The sewage source heat pump system of the sewage filtering resistance machine according to claim 9, characterized in that a fan (5) capable of enhancing the air flow in the evaporator (4) is provided at one side of the evaporator (4).
CN202010375347.XA 2020-05-07 2020-05-07 Sewage filtering anti-blocking machine and sewage source heat pump system comprising same Pending CN111606486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010375347.XA CN111606486A (en) 2020-05-07 2020-05-07 Sewage filtering anti-blocking machine and sewage source heat pump system comprising same

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Application Number Priority Date Filing Date Title
CN202010375347.XA CN111606486A (en) 2020-05-07 2020-05-07 Sewage filtering anti-blocking machine and sewage source heat pump system comprising same

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CN111606486A true CN111606486A (en) 2020-09-01

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CN202010375347.XA Pending CN111606486A (en) 2020-05-07 2020-05-07 Sewage filtering anti-blocking machine and sewage source heat pump system comprising same

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203810622U (en) * 2014-04-22 2014-09-03 天津汇达热力集团汉沽高新产业园有限公司 Native sewage source heat pump air conditioner
CN207231000U (en) * 2017-10-09 2018-04-13 山东现代莱恩空调设备有限公司 A kind of efficient sewage source bathing pool dedicated for heat pump unit
CN207641110U (en) * 2017-12-14 2018-07-24 深圳市兴达扬机电安装有限公司 A kind of sewage disposal device
CN110252110A (en) * 2019-05-31 2019-09-20 耿静 A kind of flue gas desulfurization and denitrification purifying column
CN209815825U (en) * 2019-04-22 2019-12-20 福建省富家文化产业发展有限公司 Domestic sewage treatment device for earth building

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203810622U (en) * 2014-04-22 2014-09-03 天津汇达热力集团汉沽高新产业园有限公司 Native sewage source heat pump air conditioner
CN207231000U (en) * 2017-10-09 2018-04-13 山东现代莱恩空调设备有限公司 A kind of efficient sewage source bathing pool dedicated for heat pump unit
CN207641110U (en) * 2017-12-14 2018-07-24 深圳市兴达扬机电安装有限公司 A kind of sewage disposal device
CN209815825U (en) * 2019-04-22 2019-12-20 福建省富家文化产业发展有限公司 Domestic sewage treatment device for earth building
CN110252110A (en) * 2019-05-31 2019-09-20 耿静 A kind of flue gas desulfurization and denitrification purifying column

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Application publication date: 20200901