Sewage pipe network heat extraction device
By wrapping heat exchange tubes around the outside of the sewage pipes to facilitate heat exchange, the problem of sewage pipe blockage can be solved, clean water heating supply can be achieved, and heat utilization efficiency can be improved.
Patent Information
- Application Number
- CN202423046254.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-11
AI Technical Summary
In existing sewage pipe heat exchangers, sewage is prone to scale buildup, which can cause pipe blockage and affect service life.
Design a sewage pipe network heating device that uses heat exchange tubes wrapped around the outside of the sewage pipe for heat exchange, with pure water flowing inside the tubes to prevent sewage from entering the device. Combined with geothermal energy utilization, it can achieve clean water heating.
It effectively prevents scale formation, extends the life of the device, improves heat exchange efficiency, increases heat utilization, and enables the supply of heated clean water.
Smart Images
Figure CN223636254U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat recovery device technical field, especially relates to a sewage pipe network heat extraction device. BACKGROUND
[0002] At present, the development and utilization of new energy are paid more and more attention by the country, for example, wind energy, tidal energy, solar energy, geothermal energy, bioenergy and so on, the energy recovery rate per capita in China is far from that of the developed countries in Europe, a large amount of energy in industrial wastewater and domestic wastewater in China is wasted meaninglessly, and a large amount of energy is consumed in urban central heating, which cannot meet the heating demand of most urban users in winter, if the sewage energy can be stored in geothermal energy and extracted for preheating of people's domestic water, high-standard life can be realized, and energy recovery is realized at the same time.
[0003] In the prior art, the sewage pipeline heat exchanger utilizes the principle of heat exchange to exchange heat between sewage carrying heat and another fluid (usually clean water or secondary circulating water), and the sewage and the clean water flow in the pipeline or channel inside the heat exchanger, the design of the pipeline or channel allows the two fluids to exchange heat without mixing, heat is transferred between the two fluids through the temperature difference, the hotter fluid transfers heat to the cooler fluid until thermal equilibrium or a certain temperature difference is reached.
[0004] As in the prior art, the sewage pipeline heat exchanger needs sewage and clean water to flow in the pipeline inside the heat exchanger, the sewage contains many impurities, which can easily cause scale in the sewage pipeline, causing pipeline blockage, the heat exchanger needs to be disassembled frequently for dredging and cleaning, affecting the service life of the heat exchanger, therefore, the sewage pipe network heat extraction device is designed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the problems in the above background art and provides a sewage pipe network heat extraction device.
[0006] The utility model solves the problem that the sewage pipeline heat exchanger in the prior art is prone to scale in the sewage pipe, causing pipeline blockage.
[0007] The utility model provides a sewage pipe network heat -extraction device, including water tank, cold water pipe, hot water pipe, water supply pump one, hot water inlet pipe, water supply pump two, sewage source heat pump, water supply pump three, heat exchange pipe one, blow-off pipe, water outlet pipe, heat exchange pipe two, the upper right side of water tank is provided with the cold water pipe of penetrating, the bottom of water tank is provided with hot water pipe of penetrating, is installed with water supply pump one on hot water pipe, the bottom of water tank is provided with hot water inlet pipe of penetrating, is installed with water supply pump two on hot water inlet pipe, is installed with sewage source heat pump on hot water inlet pipe, is connected with water supply pump three through the connecting pipe on sewage source heat pump, the water inlet pipe of water supply pump three is connected with heat exchange pipe one, is provided with blow-off pipe of sleeveing on heat exchange pipe one, the other end of heat exchange pipe one is connected with water outlet pipe, is connected with heat exchange pipe two between water outlet pipe and hot water inlet pipe.
[0008] Preferably, the cold water pipe is connected to a tap water pipe, and the hot water pipe is connected to a hot water supply pipeline.
[0009] Preferably, the water tank, the hot water pipe, the hot water inlet pipe and the water outlet pipe are each wrapped with a heat preservation layer.
[0010] Preferably, the heat exchange pipe one is made of copper and is spirally wound on the outer surface of the blow-off pipe.
[0011] Preferably, the heat exchange pipe two is made of copper and is located inside the water tank.
[0012] Preferably, the heat exchange pipe two is rectangularly and annularly wound.
[0013] Preferably, the hot water inlet pipe, the heat exchange pipe one, the water outlet pipe and the heat exchange pipe two are filled with pure water.
[0014] Compared with the prior art, the utility model has at least the following beneficial effects:
[0015] 1. The device is embedded underground in the blow-off pipe, the heat exchange pipe one is wound and welded on the blow-off pipe, the cold water pipe is used to add clean water into the water tank, the water supply pump three is turned on, the water outlet pipe and the heat exchange pipe one are used to pump the water into the sewage source heat pump, the pure water in the heat exchange pipe one exchanges heat with the sewage containing heat in the blow-off pipe, the heat in the sewage is transferred to the pure water in the heat exchange pipe one, the sewage source heat pump converts the cold and hot heat, the water supply pump two is used to pump the hot water into the heat exchange pipe two in the water tank, the heat in the heat exchange pipe two is transferred to the clean water in the water tank, the water in the water tank is heated, the heated clean water is pumped into the hot water supply pipeline through the hot water pipe and the water supply pump one, the hot water is supplied, and the sewage pipe heat extraction effect is realized.
[0016] 2, the utility model discloses a due to heat exchange pipe one winding setting on the blowdown pipe, sewage only flows in the blowdown pipe, and sewage can not enter the heat exchange device, prevent the condition of taking place in heat exchange pipe one inside gas scale, reduce the cleaning frequency, guarantee the service life, and heat exchange pipe one presents spiral and is wound on the blowdown pipe, can increase the contact area of blowdown pipe and heat exchange pipe one, increase the heat exchange effect, and heat exchange pipe two presents rectangular ring and is wound in the water tank, can increase the contact area of heat exchange pipe two and the clean water in the water tank, increase the heat exchange effect, and heat exchange pipe one is embedded in the ground, so that heat exchange pipe one can also indirectly utilize geothermal energy and heat, increase the heat utilization rate. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.
[0018] Figure 1 It is the whole structure section schematic view of the utility model.
[0019] Figure 2 It is the whole structure three-dimensional schematic view of the utility model.
[0020] Figure 3 It is the whole structure water tank vertical cutting structure schematic view of the utility model.
[0021] Figure 4 It is the whole structure of the utility model Figure 3 A place enlarged structure schematic view.
[0022] [Reference signs]
[0023] 1, water tank, 2, cold water pipe, 3, hot water pipe, 4, water supply pump one, 5, hot water inlet pipe, 6, water supply pump two, 7, sewage source heat pump, 8, water supply pump three, 9, heat exchange pipe one, 10, blowdown pipe, 11, water outlet pipe, 12, heat exchange pipe two. DETAILED DESCRIPTION
[0024] Embodiment:
[0025] As Figures 1-4As shown, the utility model discloses an embodiment provides a kind of sewage pipe network heat extraction device, including water tank 1, cold water pipe 2, hot water pipe 3, water supply pump one 4, hot water inlet pipe 5, water supply pump two 6, sewage source heat pump 7, water supply pump three 8, heat exchange pipe one 9, blow-off pipe 10, outlet pipe 11, heat exchange pipe two 12, the right side of water tank 1 is provided with cold water pipe 2 in upper portion, the bottom of water tank 1 is provided with hot water pipe 3, and hot water pipe 3 is installed with water supply pump one 4, the bottom of water tank 1 is provided with hot water inlet pipe 5, and hot water inlet pipe 5 is installed with water supply pump two 6, and hot water inlet pipe 5 is installed with sewage source heat pump 7, and sewage source heat pump 7 is connected with water supply pump three 8 by connecting pipe, and the water inlet pipe of water supply pump three 8 is connected with heat exchange pipe one 9, and heat exchange pipe one 9 is connected with outlet pipe 11 with the heat exchange pipe two 12 being connected between outlet pipe 11 and hot water inlet pipe 5.
[0026] In the embodiment, the cold water pipe 2 is connected to a tap water pipe, and the hot water pipe 3 is connected to a hot water supply pipeline, so that the cold water pipe 2 can conveniently provide water for the water tank 1, and the hot water pipe 3 can conveniently supply hot water.
[0027] In the embodiment, the outer side surfaces of the water tank 1, the hot water pipe 3, the hot water inlet pipe 5 and the outlet pipe 11 are wrapped with thermal insulation layers, so that the heat on the water tank 1, the hot water pipe 3, the hot water inlet pipe 5 and the outlet pipe 11 can be conveniently transferred to the air.
[0028] In the embodiment, the heat exchange pipe one 9 is made of copper and has good heat conduction performance, and the heat exchange pipe one 9 is spirally wound on the outer side surface of the blow-off pipe 10, so that the heat exchange pipe one 9 can conveniently absorb the heat in the sewage into the pure water in the heat exchange pipe one.
[0029] In the embodiment, the heat exchange pipe two 12 is made of copper and has good heat conduction performance, and the heat exchange pipe two 12 is located on the inner side of the water tank 1, so that the heat exchange pipe two 12 can conveniently transfer the heat to the water in the water tank 1.
[0030] In the embodiment, the heat exchange pipe two 12 is spirally wound in a rectangular ring shape, so as to increase the contact area of the heat exchange pipe two 12 and the clean water in the water tank 1 and increase the heat exchange effect.
[0031] In the embodiment, the hot water inlet pipe 5, the heat exchange pipe one 9, the outlet pipe 11 and the heat exchange pipe two 12 are filled with pure water, the pure water is free of impurities, can prevent the water scale in the pipeline, and has large specific heat capacity, so as to increase the heat exchange effect.
[0032] Working principle:
[0033] The device is pre-buried in the underground sewage pipe, so that the heat exchange pipe 9 is wound and welded on the sewage pipe 10, the clean water is added into the water tank 1 through the cold water pipe 2, then the water supply pump three 8 is started, the water supply pump three 8 pumps the water in the heat exchange pipe 9 into the sewage source heat pump 7, the clean water in the heat exchange pipe 9 exchanges heat with the sewage containing heat in the sewage pipe 10, the heat in the sewage is transferred to the clean water in the heat exchange pipe 9, the sewage source heat pump 7 performs the cold-heat conversion, then the hot water is pumped into the heat exchange pipe two 12 in the water tank 1 through the water supply pump two 6, the heat of the water in the heat exchange pipe two 12 is transferred to the clean water in the water tank 1 through the heat exchange pipe two 12, the water in the water tank 1 is heated, and the heated clean water is pumped into the hot water supply pipeline through the hot water pipe 3 and the water supply pump one 4 to supply hot water, so that the sewage pipe is heated.
[0034] Since the heat exchange pipe 9 is wound on the sewage pipe 10, the sewage only flows in the sewage pipe 10, the sewage cannot enter the heat exchange device, the scale in the heat exchange pipe 9 is prevented, the cleaning frequency is reduced, the service life is guaranteed, the heat exchange pipe 9 is spirally wound on the sewage pipe 10, the contact area of the sewage pipe 10 and the heat exchange pipe 9 is increased, the heat exchange effect is improved, the heat exchange pipe two 12 is rectangularly wound in the water tank 1, the contact area of the heat exchange pipe two 12 and the clean water in the water tank 1 is increased, the heat exchange effect is improved, and the heat exchange pipe 9 is pre-buried underground, so that the heat exchange pipe 9 can indirectly utilize the geothermal energy for heating, and the heat utilization rate is increased.
[0035] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, these should also be considered as the protection scope of the present application, these will not affect the effect and practicality of the present application.
Claims
1. A sewage pipe network heat extraction device, characterized by: Including water tank (1), cold water pipe (2), hot water pipe (3), water supply pump one (4), hot water inlet pipe (5), water supply pump two (6), sewage source heat pump (7), water supply pump three (8), heat exchange pipe one (9), sewage pipe (10), water outlet pipe (11), heat exchange pipe two (12), the right side of the water tank (1) is provided with cold water pipe (2) on the top, the bottom of the water tank (1) is provided with hot water pipe (3), the hot water pipe (3) is provided with water supply pump one (4), the bottom of the water tank (1) is provided with hot water inlet pipe (5), the hot water inlet pipe (5) is provided with water supply pump two (6), the hot water inlet pipe (5) is provided with sewage source heat pump (7), the sewage source heat pump (7) is connected with water supply pump three (8) through the connecting pipe, the water inlet pipe of the water supply pump three (8) is connected with heat exchange pipe one (9), the heat exchange pipe one (9) is provided with sewage pipe (10) on the outside, the other end of the heat exchange pipe one (9) is connected with water outlet pipe (11), the water outlet pipe (11) and the hot water inlet pipe (5) are connected with heat exchange pipe two (12).
2. A sewage pipe network heat extraction device according to claim 1, characterised in that: The cold water pipe (2) is connected with the water pipe, and the hot water pipe (3) is connected with the hot water supply pipeline.
3. A sewage pipe network heat lifting device according to claim 2, characterised in that: The outer surface of the water tank (1), the hot water pipe (3), the hot water inlet pipe (5) and the water outlet pipe (11) is wrapped with a heat preservation layer.
4. A sewage pipe network heat retrieval device according to claim 3, characterised in that: The heat exchange pipe one (9) is made of copper material with good heat conductivity, and the heat exchange pipe one (9) is spirally wound on the outer surface of the sewage pipe (10).
5. A sewage pipe network heat retrieval device according to claim 4, characterised in that: The heat exchange pipe two (12) is made of copper material with good heat conductivity, and the heat exchange pipe two (12) is inside the water tank (1).
6. A sewage pipe network heat retrieval device according to claim 5, characterised in that: The heat exchange pipe two (12) is arranged in a rectangular ring shape.
7. A sewage pipe network heat retrieval device according to claim 6, characterised in that: The hot water inlet pipe (5), the heat exchange pipe one (9), the water outlet pipe (11) and the heat exchange pipe two (12) are filled with pure water.