CN102563975B - Sewage purifying heat exchange device - Google Patents
Sewage purifying heat exchange device Download PDFInfo
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- CN102563975B CN102563975B CN2012100377738A CN201210037773A CN102563975B CN 102563975 B CN102563975 B CN 102563975B CN 2012100377738 A CN2012100377738 A CN 2012100377738A CN 201210037773 A CN201210037773 A CN 201210037773A CN 102563975 B CN102563975 B CN 102563975B
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- 239000010865 sewage Substances 0.000 title claims abstract description 107
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000005192 partition Methods 0.000 claims description 39
- 238000001914 filtration Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 239000000284 extract Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The invention discloses a sewage purifying heat exchange device, which comprises a heat exchanger shell. A water inlet pipe is arranged at a position, which is close to one end, of the heat exchanger shell, a water outlet pipe is disposed at a position, which is close to the other end, of the heat exchanger shell, a purifying tank is communicated with the water inlet pipe, a sewage inlet pipe and a sewage outlet pipe are disposed on the purifying tank, and the sewage outlet pipe is hermetically communicated with the water inlet pipe. Sewage is used as an energy source, and low-grade heat in the sewage is indirectly obtained in an exchange manner by the aid of a principle of a heat exchanger, and is transmitted to a heat pump unit via reclaimed water. The heat pump unit of the sewage source extracts the heat in the sewage via the reclaimed water in winters, and heat with increased temperature is supplied to an indoor environment. Indoor heat is transferred to the reclaimed water in summers and is dissipated via the sewage. The sewage purifying heat exchange device realizes refrigeration in summers and heating in winters, hot water can be supplied all the year round, and the sewage purifying heat exchange device is multipurpose.
Description
Technical field
Patent of the present invention relates to a kind of sewage source heat pump unit that is matched in the sewage source heat pump unit, relates to specifically a kind of sewage purifying heat exchange device take sewage as thermal source, belongs to technical field of heat pumps.
Background technology
For implementing State Council about energy-saving and emission-reduction strategic plan, deeply carry out Building Energy-saving Work, accelerate regenerative resource in the application of urban architecture field, exploitation shallow layer geothermal energy resource, adopt the untreated sewage source heat pump technology, with the upsurge that solves heating and refrigeration problem, just in China, start.For advancing regenerative resource application under construction, untreated sewage source heat pump has strided forward new energy-saving field.Untreated sewage source heat pump system, namely utilize the heat pump of Urban Underground native sewage water for water source, and there are industrial wastewater and sanitary sewage in each city, and the underground space that is distributed in city that evenly has.The maximum characteristics of municipal sewage are cool in summer and warm in winter, and winter temperature is generally at 12 ℃-17 ℃, and summer temp is stabilized in 20 ℃ of-25 ℃ of left and right, and water temperature, the water yield are relatively stable.China's municipal sewage amount is huge, national quantity of wastewater effluent amounted to 53,700,000,000 tons in 2006, reach 73,000,000,000 tons of left and right in 2010,, if with untreated sewage source heat pump, reclaim used heat in these sewage, can solve the problems of at least 30 hundred million square metres of building winter heating refrigeration in summer.
Summary of the invention
The problem to be solved in the present invention is a kind of sewage purifying heat exchange device take sewage as thermal source, can be take sewage as the energy, adopt indirect type, utilize the principle of heat exchanger, low grade heat energy in sewage is cemented out, pass to source pump via middle water, can realize refrigeration in summer, winter heating, also provide throughout the year hot water, realize a tractor serves several purposes.
In order to address the above problem, the present invention by the following technical solutions:
A kind of sewage purifying heat exchange device, comprise heat exchanger shell, position near an end on described heat exchanger shell is provided with water inlet pipe, the position of close the other end is provided with sewage and goes out pipe, be communicated with clear water tanks on described water inlet pipe, described clear water tanks is provided with sewage inlet pipe and water service pipe, and described water service pipe is communicated with the water inlet pipe sealing.
Below further improvement of these options of the present invention:
Be provided with heat exchanger tube in heat exchanger shell, a wherein end of described heat exchanger tube is connected with middle water inlet pipe, and the other end is connected with middle water and goes out pipe, and middle water inlet pipe is arranged on an end position that goes out pipe near sewage, and middle water goes out pipe and is arranged on an end position of close water inlet pipe.
Further improve: be provided with the deflection plate that some spaces are crisscross arranged in described heat exchanger shell,, to increase the flow process of sewage at heat exchanger shell, form turbulent flow, improved heat transfer efficiency.
Further improve: the position that the interior position near the sewage inlet pipe downside of described clear water tanks is provided with second partition, close sewage inlet pipe upside is provided with the first dividing plate, and described second partition is provided with several filtering holes, filtering holes diameter 〉=10mm.
From the sewage that sewage inlet pipe is come in, a part directly flows out through the filtering holes on second partition, and another part is stopping of process second partition, second baffle, the first dividing plate and the first baffle plate successively, forms eddy flow, washes away second partition, to prevent filtering holes, stops up.
Further improve: be 30 ° of angles between the upper shell wall of the first dividing plate and clear water tanks and arrange, be 60 ° of angles between described second partition and the first dividing plate and arrange.
Further improve: be provided with the first baffle plate, described the first baffle plate and the first divider upright setting between an end of the close sewage inlet pipe of described the first dividing plate and the sidewall of clear water tanks.
Further improve: described second partition is provided with second baffle away between an end of sewage inlet pipe and the end of the first dividing plate away from sewage inlet pipe, is respectively 60 ° of angles settings between described second baffle and second partition and the first dividing plate.
Further improve: the position near the second partition below in described clear water tanks is provided with the 3rd dividing plate, is 60 ° of angles between the 3rd dividing plate and second partition and arranges, and described the 3rd dividing plate and second partition are connected with the 4th baffle plate near between an end of sewage inlet pipe.
Further improve: be provided with the 3rd baffle plate between the sidewall of described second partition away from an end bottom of sewage inlet pipe and clear water tanks, described the 3rd baffle plate is vertical with second partition to be arranged;
Be provided with the 5th baffle plate, described the 5th baffle plate and the 3rd divider upright setting between the sidewall of described the 3rd dividing plate away from an end top of sewage inlet pipe and clear water tanks.
Further improve: be respectively equipped with filtering holes on described the 5th baffle plate and the 3rd dividing plate, the filtering holes diameter 〉=10mm on the 5th baffle plate, the filtering holes diameter 6≤mm on the 3rd dividing plate.
The sewage that flows out from the filtering holes on second partition, through the stopping of the 3rd baffle plate, the 5th baffle plate, the 3rd dividing plate and the 4th baffle plate, forms eddy flow successively, washes away the 5th baffle plate, the 3rd dividing plate, to prevent filtering holes, stops up.
The said structure of clear water tanks, preferably resolve the problem that sewage stops up, hangs dirt and accumulation of mud.Sewage is smooth and easy to flow thereby make.
The present invention adopts such scheme,, take sewage as the energy, adopts indirect type, utilizes the principle of heat exchanger, and low grade heat energy in sewage is cemented out, and via middle water, passes to source pump.Winter the sewage source heat pump unit by middle water the heat extraction in sewage out, supply with indoor heating after improving temperature.Summer indoor transfer of heat to middle water and by sewage, discharge.Realize refrigeration in summer, winter heating, and provide throughout the year hot water.Realize a tractor serves several purposes.
The present invention is not only energy-conservation, and environmental protection.Compare with the large coal mine boiler, primary energy ratio improves more than 60%, and unit heat load power consumption is saved 10%-50% than underground water source, saves the operating cost of 30%-60% than conventional central air-conditioning system.
The present invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the structural representation of the embodiment of the present invention;
Accompanying drawing 2 is arranged on system architecture schematic diagram in the sewage source heat pump unit for sewage purifying heat exchange device in the embodiment of the present invention.
In figure: the 1-clear water tanks; 2-the first dividing plate; The 3-second partition; 4-the 5th baffle plate; The 5-sewage draining exit; 6-the 3rd dividing plate; The 7-heat exchanger shell; The 8-deflection plate; The 9-heat exchanger tube; The 10-sewage inlet pipe; The 11-water service pipe; 12-the first baffle plate; The 13-filtering holes; 14-the 4th baffle plate; The 15-second baffle; 16-the 3rd baffle plate; Water inlet pipe in 17-; In 18-, water goes out pipe; 19-sewage goes out pipe; The 1a-compressor; The 2a-heat regulator; The 3a-condenser; 4a-the first expansion valve; The 5a-reservoir; 6a-the second expansion valve; The 7a-evaporimeter; The 8a-gas-liquid separator; 9a-the first butterfly valve; 10a-the second butterfly valve; 11a-the 3rd butterfly valve; 12a-the 4th butterfly valve; 13a-the 5th butterfly valve; 14a-the first check-valves; 15a-the second check-valves; 16a-the 3rd check-valves; 17a-the 4th check-valves, 18a-the 6th butterfly valve; 19a-the 7th butterfly valve; 20a-the 5th check-valves, 21a-Di six check-valves; 22a-duty conversion equipment; The 23a-sewage purifying heat exchange device.
The specific embodiment
Embodiment, as shown in Figure 1, a kind of sewage purifying heat exchange device, comprise heat exchanger shell 7, position near an end on described heat exchanger shell 7 is provided with water inlet pipe 20, the position of close the other end is provided with sewage and goes out pipe 19, be provided with heat exchanger tube 9 in heat exchanger shell 7, a wherein end of described heat exchanger tube 9 is connected with middle water inlet pipe 17, the other end is connected with middle water and goes out pipe 18, middle water inlet pipe 17 is arranged on an end position that goes out pipe 19 near sewage, and middle water goes out pipe 18 and is arranged on an end position of close water inlet pipe 20.
Be provided with the deflection plate 8 that some spaces are crisscross arranged in described heat exchanger shell 7,, to increase the flow process of sewage at heat exchanger shell 7, form turbulent flow, improved heat transfer efficiency.
Be communicated with clear water tanks 1 on described water inlet pipe 20, described clear water tanks 1 is provided with sewage inlet pipe 10 and water service pipe 11, and described water service pipe 11 is communicated with water inlet pipe 20 sealings.
The position that the interior position near sewage inlet pipe 10 downsides of described clear water tanks 1 is provided with second partition 3, close sewage inlet pipe 10 upsides is provided with the first dividing plate 2, be 30 ° of angles between the upper shell wall of the first dividing plate 2 and clear water tanks 1 and arrange, be 60 ° of angles between described second partition 3 and the first dividing plate 2 and arrange.
Be provided with the first baffle plate 12, described the first baffle plate 12 and the first vertical setting of dividing plate 2 between one end of described the first dividing plate 2 close sewage inlet pipe 10 and the sidewall of clear water tanks 1.
Described second partition 3, away from being provided with second baffle 15 between an end of sewage inlet pipe 10 and the end of the first dividing plate 2 away from sewage inlet pipe 10, being respectively 60 ° of angles and arranging between described second baffle 15 and second partition 3 and the first dividing plate 2.
Described second partition 3 is provided with several filtering holes 13, filtering holes diameter 〉=10mm, the sewage of coming in from sewage inlet pipe 10, a part directly flows out through the filtering holes 13 on second partition 3, another part is stopping through second partition 3, second baffle 15, the first dividing plate 2 and the first baffle plate 12 successively, form eddy flow, wash away second partition 3, to prevent filtering holes 13, stop up.
The interior position near second partition 3 belows of described clear water tanks 1 is provided with between the 3rd dividing plate 6, the three dividing plates 6 and second partition 3 and is 60 ° of angles settings, and described the 3rd dividing plate 6 and second partition 3 are connected with the 4th baffle plate 14 near between an end of sewage inlet pipe 10.
Be provided with the 3rd baffle plate 16, the setting vertical with second partition 3 of described the 3rd baffle plate 16 between the sidewall of described second partition 3 away from an end bottom of sewage inlet pipe 10 and clear water tanks 1.
Be provided with the 5th baffle plate 4, described the 5th baffle plate 4 and the 3rd vertical setting of dividing plate 6 between the sidewall of described the 3rd dividing plate 6 away from an end top of sewage inlet pipe 10 and clear water tanks 1.
Be respectively equipped with filtering holes 13 on described the 5th baffle plate 4 and the 3rd dividing plate 6.Filtering holes diameter 〉=10mm on the 5th baffle plate 4, the filtering holes diameter≤6mm on the 3rd dividing plate 6.
The sewage that flows out from the filtering holes 13 on second partition 3, through the stopping of the 3rd baffle plate 16, the 5th baffle plate 4, the 3rd dividing plate 6 and the 4th baffle plate 14, forms eddy flow successively, washes away the 5th baffle plate 4, the 3rd dividing plate 6, to prevent filtering holes 13, stops up.
Before and after described clear water tanks 1 casing, both sides are respectively equipped with sewage draining exit 5, and its latus rectum 〉=50mm, have blow-off pipe caliber 〉=20mm on it, under normal operation, open two blow-off pipe blowdowns.While cleaning casing, detachable sewage draining exit 5 devices, conveniently clear out the bulky grain thing dirty.The clear water tanks surface spraying is processed, with anticorrosion.
As shown in Figure 2, sewage purifying heat exchange device 23a of the present invention is arranged in supporting water/ground source heat pump unit, this unit comprises compressor 1a and heat-exchange system, is provided with duty control set for adjusting 22a between described compressor 1a and described heat-exchange system.
Described heat-exchange system comprises condenser 3a and evaporimeter 7a, be provided with reservoir 5a between described condenser 3a and evaporimeter 7a, between described reservoir 5a and condenser 3a, be respectively equipped with the 3rd check-valves 16a in parallel, the 4th check-valves 17a and the first expansion valve 4a, the second expansion valve 6a between reservoir 5a and evaporimeter 7a.
Middle water inlet pipe 17 in sewage purifying heat exchange device 23a and Zhong Shui go out pipe 18 and are communicated with condenser 3a respectively.
Described duty control set for adjusting 22a comprises:
Be arranged on the second check-valves 15a and the 5th butterfly valve 13a that are connected in series between evaporimeter 7a and compressor 1a high-pressure side;
Be arranged on the first check-valves 14a and the 4th butterfly valve 12a that are connected in series between condenser 3a and compressor 1a high-pressure side;
Be arranged on the 6th butterfly valve 18a and the 5th check-valves 20a that are connected in series between evaporimeter 7a and compressor 1a low-pressure end;
Be arranged on the 7th butterfly valve 19a and the 6th check-valves 21a that are connected in series between condenser 3a and compressor 1a low-pressure end.
Be provided with calorie adjusting device between the high-pressure side of described duty control set for adjusting 22a and compressor 1a.
Described calorie adjusting device comprises the second butterfly valve 10a that is arranged between duty control set for adjusting 22a and compressor 1a high-pressure side, and described the second butterfly valve 10a is parallel with the heat regulation branch road.
Described heat regulation branch road comprises heat regulator 2a and the first butterfly valve 9a, the 3rd butterfly valve 11a of serial connection.
Be provided with gas-liquid separator 8a between the low-pressure end of described duty control set for adjusting 22a and compressor 1a.
The course of work of this device is divided into winter circulation, summer two processes that circulate:
in winter circulation: when the cold-producing medium of low-temp low-pressure passes through pipeline from gas-liquid separator 8a, be inhaled in compressor 1a and compress, after compressor 1a compression, the reach a high temperature state of high pressure of refrigerant vapour, by pipeline and the second butterfly valve 10a, the 5th butterfly valve 13a, the second check-valves 15a, arrive evaporimeter 7a, (this moment, evaporimeter 7a became condenser) carries out heat exchange with recirculated water, emit heat and provide hot water heating (general hot water temperature is 45 ℃ of left and right) for the user, the saturation state liquid refrigerant arrives reservoir 5a through pipeline and the 4th check-valves 17a simultaneously, through pipeline, after the throttling action of the first expansion valve 4a, enter condenser 3a, (this moment condenser 3a become evaporimeter) absorb in water (sewage) heat and vaporize.
This moment, sewage, by sewage purifying heat exchange device 23a, carried out heat exchange with middle water.Cold-producing medium arrives gas-liquid separator 8a by pipeline and the 7th butterfly valve 19a, the 6th check-valves 21a, separate the low-temp low-pressure gaseous refrigerant after liquid, 1a sucks by compressor, complete winter the sewage source heat pump unit the heat extraction in sewage out, supply with indoor heating after improving temperature.
Circular flow in winter state, shown in accompanying drawing 2, the second butterfly valve 10a, the 5th butterfly valve 13a, the second check-valves 15a, the 4th check-valves 17a, the 7th butterfly valve 19a, the 6th check-valves 21a open, and the first butterfly valve 9a, the 3rd butterfly valve 11a, the 4th butterfly valve 12a, the first check-valves 14a, the 3rd check-valves 16a, the 6th butterfly valve 18a, the 5th check-valves 20a close.
Summer circulation: when the cold-producing medium of low-temp low-pressure passes through pipeline from gas-liquid separator 8a, be inhaled in compressor 1a, after compressor 1a compression, the reach a high temperature state of high pressure of refrigerant vapour, by pipeline and the second butterfly valve 10a, the 4th butterfly valve 12a, the first check-valves 14a, arrive condenser 3a, carry out heat exchange with middle water in condenser 3a, heat is passed to middle water by sewage, take away, this moment, sewage carried out heat exchange by sewage purifying heat exchange device 23a and Zhong Shui.And cold-producing medium will condense into highly pressurised liquid, arrive reservoir 5a through pipeline and the 3rd check-valves 16a, enter in evaporimeter 7a after heating power the second expansion valve 6a reducing pressure by regulating flow, the heat of low pressure refrigerant absorption cycle water in evaporimeter and vaporizing, deliver to indoor end for the user provides chilled water (mark condition parameter is 7 ℃).The refrigerant gas of low-pressure low-temperature arrives gas-liquid separator 8a by pipeline and the 6th butterfly valve 18a, the 5th check-valves 20a, separate the gaseous refrigerant after liquid, 1a sucks by compressor, completes and summer indoor heat extraction out is discharged into sewage, realizes the purpose of refrigeration.
Circular flow in summer state, shown in accompanying drawing 2, the second butterfly valve 10a, the 4th butterfly valve 12a, the first check-valves 14a, the 3rd check-valves 16a, the 6th butterfly valve 18a, the 5th check-valves 20a open, and the first butterfly valve 9a, the 3rd butterfly valve 11a, the 5th butterfly valve 13a, the second check-valves 15a, the 4th check-valves 17a, the 7th butterfly valve 19a, the 6th check-valves 21a close.
Patent sewage purifying heat exchange device of the present invention is matched in the sewage source heat pump unit can realize refrigeration in summer, winter heating, and provide throughout the year hot water.Realize a tractor serves several purposes.
That describes in above-described embodiment and specification just illustrates principle of the present invention, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.
Claims (6)
1. a sewage purifying heat exchange device, comprise heat exchanger shell (7), it is characterized in that:
The upper position near an end of described heat exchanger shell (7) is provided with water inlet pipe (20), the position of close the other end is provided with sewage and goes out pipe (19), be communicated with clear water tanks (1) on described water inlet pipe (20), described clear water tanks (1) is provided with sewage inlet pipe (10) and water service pipe (11), and described water service pipe (11) is communicated with water inlet pipe (20) sealing;
Be provided with heat exchanger tube (9) in heat exchanger shell (7), a wherein end of described heat exchanger tube (9) is connected with middle water inlet pipe (17), the other end is connected with middle water and goes out pipe (18), middle water inlet pipe (17) is arranged on an end position that goes out pipe (19) near sewage, and middle water goes out pipe (18) and is arranged on an end position of close water inlet pipe (20):
Be provided with the deflection plate (8) that some spaces are crisscross arranged in described heat exchanger shell (7);
The position that the interior position near sewage inlet pipe (10) downside of described clear water tanks (1) is provided with second partition (3), close sewage inlet pipe (10) upside is provided with the first dividing plate (2), described second partition (3) is provided with several filtering holes (13), filtering holes diameter 〉=10mm;
Be 30 ° of angles between the upper shell wall of the first dividing plate (2) and clear water tanks (1) and arrange, be 60 ° of angles between described second partition (3) and the first dividing plate (2) and arrange.
2. sewage purifying heat exchange device according to claim 1, it is characterized in that: be provided with the first baffle plate (12), described the first baffle plate (12) and the vertical setting of the first dividing plate (2) between an end of the close sewage inlet pipe (10) of described the first dividing plate (2) and the sidewall of clear water tanks (1).
3. sewage purifying heat exchange device according to claim 2, it is characterized in that: described second partition (3), away from being provided with second baffle (15) between an end of sewage inlet pipe (10) and the end of the first dividing plate (2) away from sewage inlet pipe (10), being respectively 60 ° of angles and arranging between described second baffle (15) and second partition (3) and the first dividing plate (2).
4. sewage purifying heat exchange device according to claim 3, it is characterized in that: the position near second partition (3) below in described clear water tanks (1) is provided with the 3rd dividing plate (6), be 60 ° of angles between the 3rd dividing plate (6) and second partition (3) and arrange, described the 3rd dividing plate (6) and second partition (3) are connected with the 4th baffle plate (14) near between an end of sewage inlet pipe (10).
5. sewage purifying heat exchange device according to claim 4, it is characterized in that: be provided with the 3rd baffle plate (16), described the 3rd baffle plate (16) and the vertical setting of second partition (3) between the sidewall of described second partition (3) away from an end bottom of sewage inlet pipe (10) and clear water tanks (1);
Be provided with the 5th baffle plate (4), described the 5th baffle plate (4) and the vertical setting of the 3rd dividing plate (6) between the sidewall of described the 3rd dividing plate (6) away from an end top of sewage inlet pipe (10) and clear water tanks (1).
6. sewage purifying heat exchange device according to claim 5, it is characterized in that: be respectively equipped with filtering holes (13) on described the 5th baffle plate (4) and the 3rd dividing plate (6), filtering holes diameter 〉=10mm on the 5th baffle plate (4), the filtering holes diameter≤6mm on the 3rd dividing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100377738A CN102563975B (en) | 2012-02-20 | 2012-02-20 | Sewage purifying heat exchange device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100377738A CN102563975B (en) | 2012-02-20 | 2012-02-20 | Sewage purifying heat exchange device |
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| CN102563975A CN102563975A (en) | 2012-07-11 |
| CN102563975B true CN102563975B (en) | 2013-11-13 |
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| CN103879705B (en) * | 2014-03-06 | 2017-01-18 | 无锡双雄通用机械有限公司 | Feeding device of powdery raw material |
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| CN2444935Y (en) * | 2000-09-08 | 2001-08-29 | 江西洪都丰隆摩托有限公司 | Oil water separation device |
| RU2200803C1 (en) * | 2001-09-28 | 2003-03-20 | Калантаров Олег Карлович | System for discharge and cleaning of surface run- off |
| CN101303202A (en) * | 2008-05-12 | 2008-11-12 | 北京瑞宝利热能科技有限公司 | Native sewage water source intelligent self-cleaning anti-block heat energy collecting device |
| CN100582605C (en) * | 2008-05-23 | 2010-01-20 | 天津美意空调设备销售有限公司 | Native sewage water heat pump air conditioning system |
| CN202470540U (en) * | 2012-02-20 | 2012-10-03 | 王泽富 | Sewage purifying heat exchange device |
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Owner name: SHANDONG LVTE AIR CONDITIONING SYSTEM CO., LTD. Free format text: FORMER OWNER: WANG ZEFU Effective date: 20130910 |
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