CN210533138U - Water storage formula sewer line heat transfer device that heat exchange efficiency is high - Google Patents
Water storage formula sewer line heat transfer device that heat exchange efficiency is high Download PDFInfo
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- CN210533138U CN210533138U CN201920819077.XU CN201920819077U CN210533138U CN 210533138 U CN210533138 U CN 210533138U CN 201920819077 U CN201920819077 U CN 201920819077U CN 210533138 U CN210533138 U CN 210533138U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The utility model discloses a water storage formula sewage pipe heat transfer device that heat exchange efficiency is high, including interior casing, well casing, shell body, sewage inlet tube, sewage drain pipe, heat-conducting medium induction pipe, heat-conducting medium contact tube, blast pipe, all be equipped with the valve on sewage inlet tube, sewage drain pipe, heat-conducting medium induction pipe, heat-conducting medium contact tube, the blast pipe. The utility model discloses a well casing keeps in sewage, the heat transfer time of heat-conducting medium and sewage is long, the sewage heat recovery rate is high, heat-conducting medium and well casing direct contact, area of contact is big, carry out the heat exchange with sewage through well casing, heat exchange efficiency is high, mark off the second intermediate layer through setting up interior casing, the valve on the cooperation sewage drain pipe is interrupted to open and shut and can make the sewage in the second intermediate layer keep higher temperature, and then improve heat exchange efficiency, simultaneously, can reduce heat loss through setting up the heat preservation.
Description
Technical Field
The utility model relates to a heat recovery device technical field, concretely relates to water storage formula sewer line heat transfer device that heat exchange efficiency is high.
Background
The boiler is often used in the industrial production process to heat and generate high-temperature steam to supply heat for heat exchange equipment, sewage can be accumulated at the bottom of the boiler after the boiler is used for a long time, the existing method is to directly discharge the sewage through a sewage pipeline at the bottom of the boiler, but the sewage contains a large amount of heat, the direct discharge not only wastes energy, but also easily causes environmental pollution, and the direct discharge method is obviously not preferable.
The sewage pipeline heat exchanger is usually a coil pipe type and is arranged at the periphery of the sewage pipeline, and heat in sewage is absorbed through a heat-conducting medium to realize sewage heat recovery.
The existing sewage pipeline heat exchanger has the following defects:
1. the flow velocity is fast in the sewage discharge process, the heat exchange time of the heat-conducting medium and the sewage is short, and the heat recovery rate of the sewage is not high;
2. the heat-conducting medium indirectly exchanges heat with the sewage through the heat exchange between the coil pipe and the sewage pipeline (gaps are usually formed on the matching surfaces of the coil pipe and the sewage pipeline, and the direct contact area between the coil pipe and the sewage pipeline is relatively small), so that the heat exchange efficiency is low;
3. the heat exchanger of the sewage pipeline is lack of a heat insulation structure, so that heat loss is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water storage formula sewage pipeline heat transfer device that heat exchange efficiency is high.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a water storage type sewage pipeline heat exchange device with high heat exchange efficiency comprises an inner shell, a middle shell, an outer shell, a sewage inlet pipe, a sewage drain pipe, a heat-conducting medium leading-in pipe, a heat-conducting medium leading-out pipe and an exhaust pipe, wherein valves are arranged on the sewage inlet pipe, the sewage drain pipe, the heat-conducting medium leading-in pipe, the heat-conducting medium leading-out pipe and the exhaust pipe;
the middle shell is arranged in the containing cavity formed by the outer shell so as to form a first interlayer with the inner surface of the outer shell, and a plurality of supporting blocks are fixedly arranged in the first interlayer at intervals so as to fix the relative positions of the middle shell and the outer shell;
the inner shell is arranged in the containing cavity formed by the middle shell to form a second interlayer with the four side surfaces and the bottom surface of the middle shell, a plurality of supporting blocks are fixedly arranged in the second interlayer at intervals to fix the relative positions of the inner shell and the middle shell, a first opening communicated with the second interlayer is formed in the inner shell, the first opening is close to the bottom of the inner shell and is reversely arranged with the sewage drainage pipe, and a second opening communicated with the second interlayer is further formed in the inner shell close to the top;
the sewage inlet pipe is communicated with the containing cavity formed by the inner shell, the sewage drain pipe and the exhaust pipe are communicated with the second interlayer, the sewage inlet pipe is arranged close to the top of the inner shell, the exhaust pipe is arranged close to the top of the middle shell, and the sewage drain pipe is arranged close to the bottom of the middle shell;
the heat-conducting medium inlet pipe and the heat-conducting medium outlet pipe are communicated with the first interlayer, the heat-conducting medium inlet pipe is arranged at the top of the outer shell, and the heat-conducting medium outlet pipe is arranged at the bottom of the outer shell;
and the outer side of the outer shell is coated with a heat-insulating layer.
As a further improved technical scheme of the utility model, the heat-conducting medium induction pipe sets up at shell body top central authorities, the heat-conducting medium contact tube sets up shell body bottom central authorities.
As a further improved technical scheme of the utility model, the sewage inlet tube with sewage drain pipe sets up in reverse.
As the utility model discloses further modified technical scheme, the outside surface of heat-conducting medium contact is the corrugate in well casing and the first intermediate layer.
As a further improved technical proposal of the utility model, the inner side surface of the middle shell body contacted with the sewage in the second interlayer is corrugated.
Compared with the prior art, the utility model discloses a technological effect lies in:
1. the utility model adopts the middle shell to temporarily store sewage, and discharges the sewage after sufficient heat exchange, the heat exchange time of the heat-conducting medium and the sewage is long, and the heat recovery rate of the sewage is high;
2. the heat-conducting medium is in direct contact with the middle shell, the contact area is large, heat exchange is carried out between the middle shell and sewage, and the heat exchange efficiency is high;
3. the second interlayer is divided by the inner shell, and the sewage in the second interlayer can keep higher temperature by being matched with the intermittent opening and closing of the valve on the sewage drainage pipe, so that the heat exchange efficiency is improved;
4. the heat loss can be reduced by arranging the heat insulation layer.
Drawings
Fig. 1 is a schematic front view of a water storage type sewage pipeline heat exchange device with high heat exchange efficiency according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a water storage type sewage pipeline heat exchange device with high heat exchange efficiency according to an embodiment of the present invention;
fig. 3 is a schematic view of a top view structure of a water storage type sewage pipeline heat exchange device with high heat exchange efficiency in an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
The following provides an embodiment of the present invention:
referring to fig. 1 to 3, a water storage type sewage pipeline heat exchange device with high heat exchange efficiency includes an inner shell 1, a middle shell 2, an outer shell 3, a sewage inlet pipe 4, a sewage drain pipe 5, a heat-conducting medium inlet pipe 6, a heat-conducting medium outlet pipe 7, and an exhaust pipe 8, wherein valves are respectively arranged on the sewage inlet pipe 4, the sewage drain pipe 5, the heat-conducting medium inlet pipe 6, the heat-conducting medium outlet pipe 7, and the exhaust pipe 8;
the middle shell 2 is arranged in a cavity formed by the outer shell 3 to form a first interlayer 9 with the inner surface of the outer shell 3, and a plurality of supporting blocks (not shown) are fixedly arranged in the first interlayer 9 at intervals to fix the relative positions of the middle shell 2 and the outer shell 3;
the inner shell 1 is arranged in the containing cavity formed by the middle shell 2 to form a second interlayer 10 with the four side surfaces and the bottom surface of the middle shell 2, a plurality of supporting blocks (not shown) are fixedly arranged in the second interlayer 10 at intervals to fix the relative positions between the inner shell 1 and the middle shell 2, a first notch 11 communicated with the second interlayer 10 is formed in the inner shell 1, the first notch 11 is close to the bottom of the inner shell 1 and is reversely arranged with the sewage drain pipe 5, and a second notch 12 (for exhausting) communicated with the second interlayer 10 is further formed in the inner shell 1 close to the top;
the sewage inlet pipe 4 is communicated with a containing cavity formed by the inner shell 1, the sewage drain pipe 5 and the exhaust pipe 8 are communicated with the second interlayer 10, the sewage inlet pipe 4 is arranged close to the top of the inner shell 1, the exhaust pipe 8 is arranged close to the top of the middle shell 2, and the sewage drain pipe 5 is arranged close to the bottom of the middle shell 2;
the heat-conducting medium inlet pipe 6 and the heat-conducting medium outlet pipe 7 are communicated with the first interlayer 9, the heat-conducting medium inlet pipe 6 is arranged at the top of the outer shell 3, and the heat-conducting medium outlet pipe 7 is arranged at the bottom of the outer shell 3;
and a heat-insulating layer 13 is coated on the outer side of the outer shell 3.
It should be noted that the supporting blocks in the first interlayer 9 are fixedly connected to the middle shell 2 and the outer shell 3, the supporting blocks in the second interlayer 10 are fixedly connected to the inner shell 1 and the middle shell 2, and the purpose of the interval arrangement is to ensure that the heat-conducting medium can smoothly flow in the first interlayer 9 and the sewage can smoothly flow in the second interlayer 10.
In an actual production environment, it is preferable that the support blocks are distributed more intensively between the bottom plate of the middle shell 2 and the bottom plate of the outer shell 3 and between the bottom plate of the inner shell 1 and the bottom plate of the middle shell 2 in consideration of load bearing and cost, the bottom plates of the inner shell 1, the middle shell 2 and the outer shell 3 are designed to be thickened, the support blocks between the side plates of the middle shell 2 and the side plates of the outer shell 3 are distributed more intensively and more loosely downwards, and similarly, the support blocks between the side plates of the inner shell 1 and the side plates of the middle shell 2 are distributed more intensively and more loosely upwards, and the minimum amount of support blocks are arranged between the top plate of the outer shell 3 and the top plate of the middle shell 2.
The utility model discloses during the use, sewage inlet tube 4 is connected with the sewage pipe of boiler, sewage is by in the leading-in interior casing 1 of sewage inlet tube 4, flow into in the second intermediate layer 10 by first opening 11 afterwards, the valve on the sewage drain pipe 5 is closed when leading-in sewage, the valve on the blast pipe 8 is opened, with casing 2 in the balance, atmospheric pressure in the interior casing 1, guarantee that sewage smoothly gets into, the valve on heat-conducting medium induction pipe 6 and the heat-conducting medium contact tube 7 is opened, the heat-conducting medium flows in first intermediate layer 9 and carries out the heat exchange, sewage in the boiler is whole to be leading-in back sewage inlet tube 4 in casing 2, the valve on the blast pipe 8 is closed.
Because the sewage in the middle shell 2 has larger quantity, the peripheral sewage temperature can be reduced faster under the condition of continuous heat exchange, the heat exchange efficiency is reduced, the inner shell 1 is arranged in the middle shell 2, the valve on the sewage drain pipe 5 is opened and closed discontinuously in the using process (the valve on the exhaust pipe 8 is also opened and closed synchronously for ensuring smooth water drainage), particularly, the sewage in the second interlayer 10 exchanges heat preferentially, when the temperature of the sewage in the second interlayer 10 is reduced to the lower threshold value, a valve on the sewage drain pipe 5 is opened to drain, and simultaneously when the sewage in the second interlayer 10 is drained, the sewage with higher temperature in the inner shell 1 is supplemented into the second interlayer 10 through the first gap 11, when the temperature of the sewage in the second interlayer 10 rises to the upper threshold value, the valve on the sewage drain pipe 5 is closed to stop discharging, the operation is repeated until the sewage is emptied, so that the device is ensured to have higher heat exchange efficiency all the time.
Whether the sewage in the second interlayer 10 is sufficiently subjected to heat exchange with the heat-conducting medium can be judged through the pre-calculated heat exchange time, and each valve is manually controlled, or a temperature sensor is arranged in the second interlayer 10 to detect the temperature of the sewage in the second interlayer 10, and the temperature sensor is combined with a controller to automatically control each valve, so that the selection can be performed according to the field working condition.
Further, the heat-conducting medium inlet pipe 6 is arranged at the center of the top of the outer shell 3, and the heat-conducting medium outlet pipe 7 is arranged at the center of the bottom of the outer shell 3.
Further, the sewage inlet pipe 4 and the sewage drain pipe 5 are reversely arranged. For example, the sewage inlet pipe 4 is disposed at the left side, and the sewage outlet pipe 5 is disposed at the right side
Further, the outer side surface of the middle shell 2, which is in contact with the heat transfer medium in the first interlayer 9, is corrugated. The purpose is to increase the heat exchange area.
Further, the inner side surface of the middle shell 2, which is in contact with the sewage in the second interlayer 10, is corrugated. The purpose is to increase the heat exchange area.
Compared with the prior art, the utility model discloses a technological effect lies in:
the utility model adopts the middle shell 2 to temporarily store sewage, and discharges the sewage after sufficient heat exchange, the heat exchange time of the heat-conducting medium and the sewage is long, and the heat recovery rate of the sewage is high;
the heat-conducting medium is in direct contact with the middle shell 2, the contact area is large, heat exchange is carried out between the middle shell 2 and sewage, and the heat exchange efficiency is high;
the inner shell 1 is arranged to divide the second interlayer 10, and the sewage in the second interlayer 10 can keep a higher temperature by matching with the intermittent opening and closing of the valve on the sewage drain pipe 5, so that the heat exchange efficiency is improved;
the heat loss can be reduced by providing the insulating layer 13.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and 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 skilled in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A water storage type sewage pipeline heat exchange device with high heat exchange efficiency is characterized by comprising an inner shell, a middle shell, an outer shell, a sewage inlet pipe, a sewage drain pipe, a heat-conducting medium leading-in pipe, a heat-conducting medium leading-out pipe and an exhaust pipe, wherein valves are arranged on the sewage inlet pipe, the sewage drain pipe, the heat-conducting medium leading-in pipe, the heat-conducting medium leading-out pipe and the exhaust pipe;
the middle shell is arranged in the containing cavity formed by the outer shell so as to form a first interlayer with the inner surface of the outer shell, and a plurality of supporting blocks are fixedly arranged in the first interlayer at intervals so as to fix the relative positions of the middle shell and the outer shell;
the inner shell is arranged in the containing cavity formed by the middle shell to form a second interlayer with the four side surfaces and the bottom surface of the middle shell, a plurality of supporting blocks are fixedly arranged in the second interlayer at intervals to fix the relative positions of the inner shell and the middle shell, a first opening communicated with the second interlayer is formed in the inner shell, the first opening is close to the bottom of the inner shell and is reversely arranged with the sewage drainage pipe, and a second opening communicated with the second interlayer is further formed in the inner shell close to the top;
the sewage inlet pipe is communicated with the containing cavity formed by the inner shell, the sewage drain pipe and the exhaust pipe are communicated with the second interlayer, the sewage inlet pipe is arranged close to the top of the inner shell, the exhaust pipe is arranged close to the top of the middle shell, and the sewage drain pipe is arranged close to the bottom of the middle shell;
the heat-conducting medium inlet pipe and the heat-conducting medium outlet pipe are communicated with the first interlayer, the heat-conducting medium inlet pipe is arranged at the top of the outer shell, and the heat-conducting medium outlet pipe is arranged at the bottom of the outer shell;
and the outer side of the outer shell is coated with a heat-insulating layer.
2. The water storage type sewage pipeline heat exchange device with high heat exchange efficiency as claimed in claim 1, wherein the heat conducting medium inlet pipe is arranged at the center of the top of the outer shell, and the heat conducting medium outlet pipe is arranged at the center of the bottom of the outer shell.
3. The water storage type sewage pipeline heat exchange device with high heat exchange efficiency as claimed in claim 1, wherein the sewage inlet pipe and the sewage outlet pipe are arranged in opposite directions.
4. The water storage type sewer line heat exchange device with high heat exchange efficiency as claimed in claim 1, wherein the outer surface of said middle shell contacting with the heat transfer medium in the first interlayer is corrugated.
5. The water storage type sewage pipeline heat exchange device with high heat exchange efficiency as claimed in claim 1, wherein the inner side surface of the middle shell contacting the sewage in the second interlayer is corrugated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920819077.XU CN210533138U (en) | 2019-06-03 | 2019-06-03 | Water storage formula sewer line heat transfer device that heat exchange efficiency is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920819077.XU CN210533138U (en) | 2019-06-03 | 2019-06-03 | Water storage formula sewer line heat transfer device that heat exchange efficiency is high |
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| CN210533138U true CN210533138U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920819077.XU Active CN210533138U (en) | 2019-06-03 | 2019-06-03 | Water storage formula sewer line heat transfer device that heat exchange efficiency is high |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024083828A1 (en) * | 2022-10-17 | 2024-04-25 | Nadc Ltd | Grease trap with heat recovery apparatus |
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2019
- 2019-06-03 CN CN201920819077.XU patent/CN210533138U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024083828A1 (en) * | 2022-10-17 | 2024-04-25 | Nadc Ltd | Grease trap with heat recovery apparatus |
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