CN201387257Y - Bathing wastewater residual heat recovery device - Google Patents

Bathing wastewater residual heat recovery device Download PDF

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Publication number
CN201387257Y
CN201387257Y CN200920032635U CN200920032635U CN201387257Y CN 201387257 Y CN201387257 Y CN 201387257Y CN 200920032635 U CN200920032635 U CN 200920032635U CN 200920032635 U CN200920032635 U CN 200920032635U CN 201387257 Y CN201387257 Y CN 201387257Y
Authority
CN
China
Prior art keywords
heat exchanger
pipe
recovery device
heat recovery
waste
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200920032635U
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Chinese (zh)
Inventor
王晓龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHAANXI CHANGLING YAKELI ELECTRONICS CO Ltd
Original Assignee
SHAANXI CHANGLING YAKELI ELECTRONICS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHAANXI CHANGLING YAKELI ELECTRONICS CO Ltd filed Critical SHAANXI CHANGLING YAKELI ELECTRONICS CO Ltd
Priority to CN200920032635U priority Critical patent/CN201387257Y/en
Application granted granted Critical
Publication of CN201387257Y publication Critical patent/CN201387257Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a bathing wastewater residual heat recovery device, relating to the technology of bathing wastewater residual heat utilization in families, hotels and beauty salons. The bathing wastewater residual heat recovery device comprises a heat exchanger, a bathing wastewater collector, and a filter arranged below the collector. A water pump is arranged at the inlet or the outlet of the hot water pipe of the heat exchanger; the inlet of the hot water pipe of the heat exchanger is communicated with the outlet of the filter; and the cold water pipe of the heat exchanger is communicated with the tap water which is used for bathing. The bathing wastewater residual heat recovery device is characterized in that the heat exchanger is a tubular heat exchanger and the inner pipes of the heat exchanger are threaded pipes.

Description

A kind of waste-heat recovery device of bath wastewater
Technical field
The utility model relates to the UTILIZATION OF VESIDUAL HEAT IN technology of the bath wastewater in places such as family, hotel, Hair Salon, particularly a kind of waste-heat recovery device of bath wastewater.
Background technology
Bath wastewater is carried out waste heat recovery utilize again, especially utilize bath wastewater that bathing is carried out preheating with running water, can reduce gas, the oil of the power consumption of electric heater or combustion gas, fuel oil, coal-burning heater, the consumption of coal.
At present, similar products like is a energy-saving base that is installed between bathing, it is to adopt a common copper tube as interior pipe, the plastic film capicitor simple and easy double pipe heat exchanger that coiling forms as outer tube, the heat of bath wastewater is recycled, preheating bathing running water is to reach energy-saving effect.But there is following shortcoming in this technology:
(1) pipe adopts common copper tube in, heat exchange efficiency is lower, in order to improve heat exchange efficiency, have only by lengthening copper tube and bellows (general designation heat exchanger tube) length and solve, the heat exchanger tube length that consumes increases, thereby causes heat exchanger volume bigger, and the length of heat exchanger tube is long more, the discharge that provides is more little, and the possibility that the dirt in the sewage is discharged is also more little.
(2) abundant inadequately to the filtration of bath wastewater, the hair in the waste water, dirt enter water pump and heat exchanger easily, cause water pump vane and pump head housing stall; Simultaneously to have determined to enter the discharge ability of dirt wherein very low for heat exchanger form (heat exchanger tube length is very long, the dirt when bellows is piled up bathing easily as outer tube), and in use for some time, the heat exchange efficiency decay is very fast, causes heat exchange efficiency sharply to reduce.
(3) water pump control needs manual break-make power supply to realize inconvenient operation, also dangerous during bathing.
Summary of the invention
In view of above-mentioned technological deficiency, the purpose of this utility model is to provide the waste-heat recovery device of the bath wastewater that a kind of volume is little, heat exchange efficiency is high.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of waste-heat recovery device of bath wastewater comprises: heat exchanger, and the gatherer of bath wastewater is arranged on the filter below the gatherer, and the import or export of the hot-water line of heat exchanger is provided with water pump; The import of the hot-water line of heat exchanger is communicated with the outlet of filter, and the cold water pipe of heat exchanger is communicated with the bathing running water; It is characterized in that described heat exchanger is a double pipe heat exchanger, pipe is screwed pipe in it.
Further characteristics of the present utility model and improvement are:
The lead angle of described screwed pipe is 30 °~75 °.
Described screwed pipe is red copper threading pipe or aluminium matter screwed pipe.
The outer tube of described double pipe heat exchanger is a pvc pipe; Described pvc pipe has steel band or steel wire interlayer.
Described filter comprises: housing has the top cover in grid hole, and is successively set on two-layer bowl strainer and broach shape filter plate in the housing from bottom to top.
The bottom of described filter and top are provided with the upper and lower probe of control starting mode of pump.
The utility model adopts double pipe heat exchanger, pipe is screwed pipe in it, running water flows in screwed pipe, bath wastewater relative direction in outer tube flows, when the lead angle of water velocity and screwed pipe is complementary, waste water forms turbulent flow in outer tube, running water forms turbulent flow at interior pipe, can increase substantially heat exchange efficiency.Screwed pipe is red copper threading pipe or aluminium matter screwed pipe, the heat exchange efficiency height.The outer tube of double pipe heat exchanger is a pvc pipe, has steel band or steel wire interlayer, and pliability is good, and brake forming becomes difformity easily, is convenient to the design of heat exchanger shape; And pvc pipe has certain intensity, during fill insulant material, can not influence draining because of extrusion.
Filter of the present utility model has four road filtrations, preceding two gate holes and broach shape structure are mainly used to collect the long hair in the bath wastewater, and back twice adopt the bowl strainer of different densities, be mainly used in dirt and the bob collected in the bathing water, can prevent the obstruction of heat exchanger and water pump.Bottom and top at filter are provided with upper and lower probe, and when having current to pass through in the filter, upper and lower probe conducting provide the start signal of water pump, otherwise water pump stops; Can realize the water pump automatic start-stop like this, not only convenient but also safety for the bather.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
Fig. 1 is the structural representation of the waste-heat recovery device of base type bath wastewater;
Fig. 2 is the structural representation of the waste-heat recovery device of side putting type bath wastewater;
Fig. 3 is the structure of filter schematic diagram;
Among the figure: 1, gatherer; 2, filter; 3, water pump; 4, double pipe heat exchanger; 5, the interior pipe of double pipe heat exchanger; 6, the outer tube of double pipe heat exchanger; 7, polyurethane heat insulation material; 8, the import of outer tube; 9, the outlet of outer tube; 10, the import of interior pipe; 11, the outlet of interior pipe; 12, controller; 13, the housing of filter; 14, the top cover of filter; 15, filter screen; 16, filter plate; 17, go up probe; 18, following probe.
The specific embodiment
With reference to Fig. 1, the waste-heat recovery device of base type bath wastewater is applicable to Household bathroom.In the waste-heat recovery device of base type bath wastewater, the cavity of the gatherer of bath wastewater 1 for having upper recess surface, filter 2 be arranged on the gatherer upper recess surface below, and stretch into cavity.The controller 12 of double pipe heat exchanger 4, water pump 3 and water pump 3 also is placed in the cavity.The import 10 of the interior pipe of double pipe heat exchanger 4 is communicated with running water, and the outlet of interior pipe 11 is drawn by flexible pipe, enter that heater heats again or directly bathing with (realizing that promptly the cold water pipe of heat exchanger is connected in series with running water with bathing, connection bathing running water).The import 8 of outer tube is connected with the outlet of filter 2, and flexible pipe of outlet 9 usefulness of outer tube connects discharges waste water.Water pump 3 is arranged on import 8 front ends (import of instant heating water pipe) of the outer tube of double pipe heat exchanger 4.
The interior pipe of double pipe heat exchanger 4 is a red copper threading pipe, as ColdWater pipe; Its outer tube is the pvc pipe with steel band or steel wire interlayer, as HeatWater pipe.Interior pipe and outer tube are formed heat exchanger tube, are spirally coiled in the shell of double pipe heat exchanger 4, are filled with polyurethane heat insulation material 7 in the shell internal pore.Bath wastewater enters pvc pipe through after filtering by water pump 3 pressurizations, carries out heat exchange with the running water reverse flow in two pipelines in the screw-type copper tube.The lead angle of screw thread copper tube is 30 °~75 °, and running water flows in the screw thread copper tube, and bath wastewater relative direction in pvc pipe flows.When the lead angle of water velocity and screwed pipe was complementary, bath wastewater formed turbulent flow in pvc pipe, and running water forms turbulent flow in the screw thread copper tube, can increase substantially heat exchange efficiency.
Interior pipe in the double pipe heat exchanger adopts screwed pipe, and heat exchange is more abundant, and the utilization rate of heat is higher in the waste water, and the length of heat exchanger tube can shorten and be about 2/3 of common tube under equal heat exchange efficiency prerequisite.Test is found, adopts the long screw-type copper tube of 6m can reach the heat exchange efficiency of the long common copper tube of 10m, saves raw material, reduces cost; And after the length of heat exchanger tube shortens, can increase the running water water flow.Simultaneously, because heat exchanger tube length reduces, can make the shape-designing of gatherer (base) of bath wastewater small and exquisite more attractive in appearance and be full of variety the more reasonable structure compactness.
In conjunction with Fig. 3, bottom and top at filter 2 are provided with probe 17, following probe 18, when current in the filter 2 pass through water, upper and lower probe 17,18 conductings, the start signal of water pump 3 is provided to controller 12, control water pump 3 is opened and continuous firing, otherwise the power supply of water pump 3 is in dissengaged positions.
With reference to Fig. 2, the waste-heat recovery device of side putting type bath wastewater, be applicable to the shampoo trap of Hair Salon, be with the difference of the waste-heat recovery device of base type bath wastewater, shampoo trap is as the gatherer 1 of bath wastewater, filter 2 be arranged on shampoo trap below, the controller 12 of double pipe heat exchanger 4, water pump 3 and water pump 3 is installed in the next door of shampoo trap.Other water route connects, circuit connects, and is identical with the waste-heat recovery device principle of base type bath wastewater.
With reference to Fig. 3, filter 2 comprises: the housing 13 of tubular has the top cover 14 in grid hole, and is successively set on two-layer bowl strainer 15 and broach shape filter plate 16 in the housing from bottom to top.The housing 13 of filter, top cover 14 are formed by the direct mold pressing of engineering plastics, and filter screen 15 becomes cup-shaped by stainless steel filtering net (or copper filter screen) with the engineering plastics compression molding.Bath wastewater is behind multi-filtering, and it is very little to make hair, dirt enter the probability of water pump 3 and double pipe heat exchanger 4, system's operation safety and reliability; And, as the pvc pipe of heat exchanger tube outer tube, inner wall smooth, dirt discharge ability is strong, and heat fade is slow, the useful life of product is longer.

Claims (6)

1, a kind of waste-heat recovery device of bath wastewater comprises: heat exchanger, and the gatherer of bath wastewater is arranged on the filter below the gatherer, and the import or export of the hot-water line of heat exchanger is provided with water pump; The import of the hot-water line of heat exchanger is communicated with the outlet of filter, and the cold water pipe of heat exchanger is communicated with the bathing running water; It is characterized in that described heat exchanger is a double pipe heat exchanger, pipe is screwed pipe in it.
2, the waste-heat recovery device of a kind of bath wastewater according to claim 1 is characterized in that, the lead angle of described screwed pipe is 30 °~75 °.
3, the waste-heat recovery device of a kind of bath wastewater according to claim 1 is characterized in that, described screwed pipe is red copper threading pipe or aluminium matter screwed pipe.
4, the waste-heat recovery device of a kind of bath wastewater according to claim 1 is characterized in that, the outer tube of described double pipe heat exchanger is a pvc pipe; Described pvc pipe has steel band or steel wire interlayer.
5, the waste-heat recovery device of a kind of bath wastewater according to claim 1 is characterized in that, described filter comprises: housing has the top cover in grid hole, and is successively set on two-layer bowl strainer and broach shape filter plate in the housing from bottom to top.
6, the waste-heat recovery device of a kind of bath wastewater according to claim 1 is characterized in that, the bottom of described filter and top are provided with the upper and lower probe of control starting mode of pump.
CN200920032635U 2009-04-16 2009-04-16 Bathing wastewater residual heat recovery device Expired - Fee Related CN201387257Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920032635U CN201387257Y (en) 2009-04-16 2009-04-16 Bathing wastewater residual heat recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920032635U CN201387257Y (en) 2009-04-16 2009-04-16 Bathing wastewater residual heat recovery device

Publications (1)

Publication Number Publication Date
CN201387257Y true CN201387257Y (en) 2010-01-20

Family

ID=41579791

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200920032635U Expired - Fee Related CN201387257Y (en) 2009-04-16 2009-04-16 Bathing wastewater residual heat recovery device

Country Status (1)

Country Link
CN (1) CN201387257Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889703A (en) * 2012-10-31 2013-01-23 南京德磊科技有限公司 Bathroom sewage waste heat recovery device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889703A (en) * 2012-10-31 2013-01-23 南京德磊科技有限公司 Bathroom sewage waste heat recovery device

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100120

Termination date: 20140416