CN111457769A - High-temperature waste water waste heat recycling device - Google Patents
High-temperature waste water waste heat recycling device Download PDFInfo
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- CN111457769A CN111457769A CN202010492683.2A CN202010492683A CN111457769A CN 111457769 A CN111457769 A CN 111457769A CN 202010492683 A CN202010492683 A CN 202010492683A CN 111457769 A CN111457769 A CN 111457769A
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- water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0004—Particular heat storage apparatus
- F28D2020/0013—Particular heat storage apparatus the heat storage material being enclosed in elements attached to or integral with heat exchange conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a high-temperature waste water waste heat recycling device which comprises a box body, wherein a feeding hole is formed in the upper end of the box body, a discharging hole is formed in the lower end of the box body, the feeding hole and the discharging hole are communicated with an inner cavity of the box body, valves are arranged on the feeding hole and the discharging hole, the upper end face of the box body is a pre-circular truncated cone-shaped surface with a narrow top and a wide bottom, the lower end face of the box body is an inverted circular truncated cone-shaped surface with a wide top and a narrow bottom, a steam discharging pipe is arranged on the upper end face of the box body, and a vacuum. The invention has the advantages of simple structure, effective absorption of heat in high-temperature wastewater and long-term storage.
Description
Technical Field
The invention relates to the field of industrial wastewater recycling, in particular to a high-temperature wastewater waste heat recycling device.
Background
In the industrial production process, high-temperature wastewater or sewage often appears, and if the high-temperature wastewater or sewage is directly discharged, the environment is polluted, the waste of water resources and heat energy is also caused, and the industrial production requirements of energy conservation and emission reduction are not facilitated.
In order to solve the above technical problems, those skilled in the art have designed various apparatuses for recycling high-temperature wastewater, which mainly filter and recycle water resources in the high-temperature wastewater, and absorb and use heat energy in the high-temperature wastewater by means of heat exchange; however, the existing heat exchange absorption method can only directly absorb the heat in the wastewater and then directly apply the heat to other heating processes, that is, the existing high-temperature wastewater recycling equipment cannot absorb and store the heat energy and emit the heat when needed.
Disclosure of Invention
The invention aims to solve the problems and designs a high-temperature waste water waste heat recycling device.
The technical scheme of the invention is that the high-temperature waste water waste heat recycling device comprises a box body, a feed inlet is arranged at the upper end of the box body, a discharge outlet is arranged at the lower end of the box body, the feed inlet and the discharge outlet are both communicated with an inner cavity of the box body, valves are respectively arranged on the feed inlet and the discharge outlet,
the upper end surface of the box body is a pre-circular truncated cone profile with a narrow top and a wide bottom, the lower end surface of the box body is an inverted circular truncated cone profile with a wide top and a narrow bottom, a steam discharge pipe is installed on the upper end surface of the box body, and a vacuum pump is installed on the steam discharge pipe;
the heat exchange device is characterized in that a heat exchange mechanism is arranged in the box body, a heat storage material is filled between the inner surface of the box body and the heat exchange mechanism, the heat exchange mechanism comprises an upper water cavity and a lower water cavity, the upper water cavity and the lower water cavity are positioned on a vertical straight line, a plurality of first branch pipes are fixedly connected to the side surface of the upper water cavity, one ends of the first branch pipes are communicated with the inner cavity of the upper water cavity, and the ports of the other ends of the first branch pipes are closed; the side surface of the lower water cavity is fixedly connected with a plurality of second branch pipes, one ends of the second branch pipes are communicated with the inner cavity of the lower water cavity, the ports of the other ends of the second branch pipes are closed, the first branch pipes and the second branch pipes are the same in number and are in one-to-one correspondence in position, the first branch pipes and the second branch pipes corresponding to the first branch pipes are connected through a plurality of heat exchange pipes, the upper end surface of the upper water cavity is connected with a water inlet pipe, the lower end surface of the lower water cavity is connected with a water drainage pipe, one end of the water inlet pipe is communicated with the inner cavity of the upper water cavity, the other end of the water inlet pipe extends out of the box body and; .
The thermal material is an adsorption heat storage material compounded by a porous material and water-absorbing inorganic salt.
The closed thermochemical adsorption heat storage high efficiency test system of claim, the porous material is one or more of expanded graphite, activated carbon, or silica gel.
The closed thermochemical adsorption heat storage system of claim for high efficiency testing the heat storage capacity ofThe water-absorbing inorganic salt is prepared by compounding inorganic salt with strong water absorption and inorganic salt with medium water absorption, and the compounding combination mode comprises L aCl3/LiCl、LaCl3/CaCl2、MgSO4/L iCl or MgSO4/CaCl2。
The distance between two adjacent heat exchange structures is ten centimeters to twenty centimeters.
More than one water cavity of the branch pipes are distributed on a horizontal plane at equal angles by taking the centers as centers; the water cavities below the second branch pipes are distributed on a horizontal plane at equal angles by taking the centers as centers.
The inlet tube and the drain pipe are L shape pipes, the lateral wall that the other end of inlet tube and the other end of drain pipe all passed the box stretches out the box.
The other end of inlet tube and the contact site of box side surface and the other end of drain pipe and the contact site of box side surface all are equipped with rubber seal and seal.
The first branch pipe, the second branch pipe and the heat exchange pipe are metal pipes with good heat conducting performance.
The upper water cavity and the lower water cavity are cylindrical cavities which are sealed up and down, and the lower surface of the upper water cavity is a spherical surface.
Advantageous effects
The high-temperature wastewater waste heat recycling device manufactured by the technical scheme of the invention has the following advantages:
1. the device utilizes the characteristic that heat storage materials absorb and store heat energy, realizes the technical effects of automatic feeding and absorbing the heat energy of high-temperature wastewater through reasonable structural design, and converts the heat energy in the high-temperature wastewater into chemical energy to be stored in the heat storage materials by utilizing the matching of the automatic feeding, the blanking and the annular thermal structure;
2. this device simple structure is practical, and especially heat transfer mechanism's structural design can effectual cooperation box go up unloading in the automation, provides convenience for the continuous absorption of heat in the high-risk waste water.
Drawings
FIG. 1 is a schematic structural diagram of a high-temperature wastewater waste heat recycling device according to the present invention;
FIG. 2 is a schematic structural diagram of a heat exchange mechanism according to the present invention;
FIG. 3 is a schematic cross-sectional structure diagram of the heat exchange mechanism of the present invention;
FIG. 4 is a schematic structural view of the upper water chamber of the present invention;
FIG. 5 is a schematic view of the structure of the launching chamber according to the present invention;
in the figure, 1, a feed inlet; 2. a valve; 3. a steam discharge pipe; 4. a vacuum pump; 5. a water feeding cavity; 6. a drainage cavity; 7. a first branch pipe; 8. a second branch pipe; 9. a heat exchange pipe; 10. a drain pipe; 11. a rubber seal ring; 12. a discharge port; 13. a heat storage material; 14. and (4) a water inlet pipe.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1-5, the invention is characterized in that a feed inlet 1 is arranged at the upper end of a box body, a discharge outlet 12 is arranged at the lower end of the box body, the feed inlet and the discharge outlet are both communicated with the inner cavity of the box body, valves 2 are respectively arranged on the feed inlet and the discharge outlet, the upper end surface of the box body is a pre-truncated cone profile with a narrow top and a wide bottom, the lower end surface of the box body is an inverted truncated cone profile with a wide top and a narrow bottom, a steam discharge pipe 3 is arranged on the upper end surface of the box body, and a vacuum pump 4 is arranged;
the heat exchange device is characterized in that a heat exchange mechanism is installed in the box body, a heat storage material 13 is filled between the inner surface of the box body and the heat exchange mechanism, the heat exchange mechanism comprises an upper water cavity 5 and a lower water cavity 6, the upper water cavity and the lower water cavity are located on a vertical straight line, a plurality of first branch pipes 7 are fixedly connected to the side surfaces of the upper water cavity, one ends of the first branch pipes are communicated with the inner cavity of the upper water cavity, and ports of the other ends of the first branch pipes are sealed; two 8 of a plurality of branch pipes of fixed connection on the side surface in lower water cavity, the one end of branch pipe two and the inner chamber intercommunication in lower water cavity, the port of the other end of branch pipe two seals, branch pipe one is the same with the quantity of branch pipe two and the position one-to-one, be connected through a plurality of heat exchange tubes 9 between branch pipe one and the branch pipe two that rather than correspond, connect inlet tube 14 on the up end in upper water cavity, connect drain pipe 10 on the lower terminal surface in lower water cavity, inlet tube one end and the inner chamber intercommunication in upper water cavity, the other end stretches out the box and is connected with the high temperature water source, drain pipe one end and the inner chamber intercommunication in lower water cavity, the other end stretches out the box.
The heat storage material is characterized in that the heat storage material is an adsorption heat storage material formed by compounding a porous material and a water-absorbing inorganic salt, the porous material is one or more of expanded graphite, activated carbon or silica gel, the water-absorbing inorganic salt is selected from a compound of a strong water-absorbing inorganic salt and a medium water-absorbing inorganic salt, and the compound combination mode comprises L aCl3/LiCl、LaCl3/CaCl2、MgSO4/L iCl or MgSO4/CaCl2The distance between every two adjacent heat exchange structures is ten centimeters to twenty centimeters, more than one water cavity of each branch pipe is distributed on a horizontal plane in an equiangular mode, more than two water cavities of each branch pipe are distributed on the horizontal plane in an equiangular mode, the water inlet pipe and the water outlet pipe are circular pipes in the shape of L, the other end of the water inlet pipe and the other end of the water outlet pipe penetrate through the side wall of the box body and extend out of the box body, rubber sealing rings 11 are arranged at the contact position of the other end of the water inlet pipe and the side surface of the box body and at the contact position of the other end of the water outlet pipe and the side surface of the box body for sealing, the first branch pipe, the second branch pipe and the heat exchange pipe are metal pipes with good heat conduction performance, the upper water cavity and the.
The electronic device adopted by the technical scheme comprises:
the vacuum pump can be a conventional vacuum pump, and the technical scheme of the application has no special requirements on the using effect of the structure of the water pump;
a valve: selecting an electromagnetic valve and a matched controller thereof;
the parts adopted in the technical scheme are explained as follows:
the box body is a cylindrical box body made of heat-insulating materials;
in the implementation process of the technical scheme, all the electric water pieces in the scheme need to be connected with a power supply matched with the electric water pieces through a lead, and a proper controller needs to be selected according to actual conditions to meet control requirements.
In the technical scheme, an operator controls the electromagnetic valves at the feed inlet and the discharge outlet to realize automatic feeding, a hopper is arranged on the feed inlet, heat storage materials are loaded into the hopper, then the automatic feeding in the box body is realized by controlling the opening and closing of the electromagnetic valves, when the electromagnetic valves are opened, the heat storage materials in the hopper fall into the box body under the action of gravity, a visual window is arranged on the box body, the operator can determine the feeding amount through observation, and when the feeding amount reaches a set value, the electromagnetic valves on the feed inlet are closed to finish the feeding work; when the reaction of the heat absorption material in the box body is complete and the heat absorption capacity is saturated, a worker opens the electromagnetic valve on the discharge port, the heat storage material in the box body is discharged from the discharge port, then the electromagnetic valve on the discharge port is closed, the electromagnetic valve on the feed port is opened, and the material is fed into the box body; whether the heat storage material in the box body is saturated or not can be determined by monitoring the concentration of the water vapor in the steam pipeline, when the heat storage material absorbs heat and is saturated, the heat storage material cannot separate out moisture, the concentration of the water vapor in the steam pipeline is rapidly reduced, and whether the heat storage material completely reflects or not can be judged by monitoring the concentration of the water vapor in the steam pipeline through the humidity sensor.
High-temperature wastewater is conveyed into the upper water cavity through the water inlet pipe, the upper water cavity is made of a copper pipe, and the heat conducting performance of the copper pipe is good, so that the high-temperature wastewater in the upper water cavity flows through the first supporting rod, the second heat exchange pipe and the second supporting rod and finally reaches the lower water cavity; the high-temperature waste water is changed into low-temperature waste water after heat exchange and is discharged into the purifying equipment, the temperature of the low-temperature waste water is 10-20 ℃, and the purified low-temperature waste water can be directly discharged into the air water.
The device utilizes the heat energy storage technology, collects the heat energy in the high-temperature wastewater, stores the heat energy through a certain medium, and releases and utilizes the heat energy when needed. The application adopts the heat energy storage technology, and has the advantages of low cost, large capacity and the like. The mobile phone can effectively reduce the heat pollution of the environment through the heat energy generated by burning, simultaneously effectively solves the problem that the energy supply is a reversible chemical reaction in time and thermochemical heat storage, stores and releases the energy by utilizing the interconversion of the heat energy and the chemical energy, and can realize the use in the same day of storage; or the storage in the season, the storage in summer and the use in winter are carried out.
The working principle of the thermochemical energy storage system mainly comprises three stages of heat charging, heat storage and heat release. In the stage of heat filling, inorganic salt, namely the hydrate of the water-absorbing inorganic salt adopted in the application absorbs heat, and the distilled water is removed from the hydrate; in the heat storage stage, the dehydrated inorganic substances are sealed and stored; and in the heat release stage, the inorganic salt absorbs the distilled water to release the heat of the reservoir. As the process is reversible thermochemical reaction, the chemical heat quantity stored and released is large, the heat storage technology has the advantages of high heat storage density which is 10-20 times of that of the traditional sensible heat storage technology and phase change latent heat technology, small heat storage loss, long-term storage, small temperature fluctuation in the heat release process, reusability and the like, so that the heat storage technology is more and more emphasized and has wide application prospect.
In the technical scheme, the heat storage material in the heat exchanger can absorb the heat in the high-temperature wastewater, and the contained water vapor can be released during heat absorption to perform lossless heat storage; when releasing heat, the heat storage material can be promoted to release heat only by providing water vapor for the heat exchanger to carry out chemical combination reaction.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A high-temperature waste water waste heat recycling device comprises a box body, wherein the upper end of the box body is provided with a feed inlet (1), the lower end of the box body is provided with a discharge outlet (12), the feed inlet and the discharge outlet are both communicated with an inner cavity of the box body, valves (2) are respectively arranged on the feed inlet and the discharge outlet,
the upper end face of the box body is a pre-circular truncated cone profile with a narrow top and a wide bottom, the lower end face of the box body is an inverted circular truncated cone profile with a wide top and a narrow bottom, a steam discharge pipe (3) is installed on the upper end face of the box body, and a vacuum pump (4) is installed on the steam discharge pipe;
a heat exchange mechanism is arranged in the box body, a heat storage material (13) is filled between the inner surface of the box body and the heat exchange mechanism, the heat exchange mechanism comprises an upper water cavity (5) and a lower water cavity (6), the upper water cavity and the lower water cavity are positioned on a vertical straight line, a plurality of first branch pipes (7) are fixedly connected to the side surfaces of the upper water cavity, one ends of the first branch pipes are communicated with the inner cavity of the upper water cavity, and ports of the other ends of the first branch pipes are closed; the side surface of the lower water cavity is fixedly connected with a plurality of second branch pipes (8), one ends of the second branch pipes are communicated with the inner cavity of the lower water cavity, the ports of the other ends of the second branch pipes are closed, the first branch pipes and the second branch pipes are the same in number and correspond in position one to one, the first branch pipes and the corresponding second branch pipes are connected through a plurality of heat exchange pipes (9), the upper end surface of the upper water cavity is connected with a water inlet pipe (14), the lower end surface of the lower water cavity is connected with a water outlet pipe (10), one end of the water inlet pipe is communicated with the inner cavity of the upper water cavity, the other end of the water inlet pipe extends out of the box body to be connected with a high-temperature air source; .
2. The device for recycling the waste heat of high-temperature wastewater as claimed in claim 1, wherein the thermal material is an adsorption heat storage material compounded by a porous material and a water-absorbing inorganic salt.
3. The closed thermochemical adsorption heat storage testing system of claim 2, where the porous material is one or more of expanded graphite, activated carbon, or silica gel.
4. The closed thermochemical adsorption heat storage testing system of claim 2, wherein the water-absorbing inorganic salt is selected from the group consisting of a strong water-absorbing inorganic salt and a medium water-absorbing inorganic salt, and the combination of the strong water-absorbing inorganic salt and the medium water-absorbing inorganic salt is L aCl3/LiCl、LaCl3/CaCl2、MgSO4/L iCl or MgSO4/CaCl2。
5. The high-temperature wastewater waste heat recycling device according to claim 1, wherein the distance between two adjacent heat exchange structures is ten centimeters to twenty centimeters.
6. The high-temperature wastewater waste heat recycling device according to claim 1, wherein more than one water cavity of the plurality of branch pipes are distributed on a horizontal plane at equal angles by taking the water cavities as centers; the water cavities below the second branch pipes are distributed on a horizontal plane at equal angles by taking the centers as centers.
7. The high-temperature wastewater waste heat recycling device according to claim 1, wherein the water inlet pipe and the water outlet pipe are both L-shaped round pipes, and the other end of the water inlet pipe and the other end of the water outlet pipe both penetrate through the side wall of the box body and extend out of the box body.
8. The high-temperature wastewater waste heat recycling device according to claim 1, wherein the contact part between the other end of the water inlet pipe and the side surface of the tank body and the contact part between the other end of the water outlet pipe and the side surface of the tank body are provided with rubber sealing rings (11) for sealing.
9. The high-temperature wastewater waste heat recycling device according to claim 1, wherein the first branch pipe, the second branch pipe and the heat exchange pipe are all metal pipes with good heat conductivity.
10. The high-temperature wastewater waste heat recycling device according to claim 1, wherein the upper water cavity and the lower water cavity are both cylindrical cavities with upper and lower seals, and the lower surface of the upper water cavity is a spherical surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010492683.2A CN111457769A (en) | 2020-06-03 | 2020-06-03 | High-temperature waste water waste heat recycling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010492683.2A CN111457769A (en) | 2020-06-03 | 2020-06-03 | High-temperature waste water waste heat recycling device |
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| CN111457769A true CN111457769A (en) | 2020-07-28 |
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| CN202010492683.2A Pending CN111457769A (en) | 2020-06-03 | 2020-06-03 | High-temperature waste water waste heat recycling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023176406A1 (en) * | 2022-03-14 | 2023-09-21 | 住友重機械工業株式会社 | Chemical heat storage reactor |
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