CN112984489A - Steam boiler residual pressure recovery system - Google Patents
Steam boiler residual pressure recovery system Download PDFInfo
- Publication number
- CN112984489A CN112984489A CN201911289162.0A CN201911289162A CN112984489A CN 112984489 A CN112984489 A CN 112984489A CN 201911289162 A CN201911289162 A CN 201911289162A CN 112984489 A CN112984489 A CN 112984489A
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- CN
- China
- Prior art keywords
- steam boiler
- thermoelectric element
- power generation
- recovery system
- steam
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a residual pressure recovery system of a steam boiler, which comprises a steam boiler, a conveying pipeline, a synergistic power generation device, a supercharging power generation device and a storage battery, wherein the synergistic power generation device comprises a synergistic thermoelectric element, the hot end of the synergistic thermoelectric element extends into a steam chamber of the steam boiler, and the cold end of the synergistic thermoelectric element is positioned outside. According to the invention, the supercharging generating device comprises a supercharging thermoelectric element, the hot end of the supercharging thermoelectric element is matched with the outer wall of the conveying pipeline for use, so that according to the thermoelectric generation principle, the density in the steam boiler is high, the temperature is high, the heat flow density is increased to a certain value under the condition of constant temperature difference, the density of steam is increased, the temperature is high, the generating efficiency can be improved by 10% -25%, the steam is stored in a storage battery, the temperature variation range of the hot end and the cold end of the supercharging thermoelectric element is small, and therefore, larger voltage can be generated and stored in the storage battery, and the residual pressure and heat of the steam boiler can be recycled.
Description
Technical Field
The invention relates to the technical field of energy conservation of steam boilers, in particular to a steam boiler residual pressure recovery system.
Background
A steam boiler is a device for generating steam by burning steam, heating water in a boiler therein, and then transferring the steam to the outside through a transfer pipe using a pressurizing device.
At present, energy conservation and environmental protection are mainstream in social production, a large amount of energy is consumed in the existing steam production process, various auxiliary devices are needed to be matched to realize steam production and transmission, the production investment is large, and energy-saving production is difficult to realize.
Therefore, the invention provides a steam boiler residual pressure recovery system.
Disclosure of Invention
The invention aims to: the residual pressure recovery system of the steam boiler aims to solve the problems that a large amount of energy is lost and is difficult to collect and use in the existing steam production process.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a steam boiler residual pressure recovery system, includes steam boiler and pipeline, still includes increase power generation facility, pressure boost power generation facility and battery, increase power generation facility includes increase thermoelectric element, increase thermoelectric element's hot junction stretches into in the steam chamber of steam boiler, and the cold junction is located the outside, pressure boost power generation facility includes pressure boost thermoelectric element, pressure boost thermoelectric element's hot junction and pipeline's outward appearance wall cooperation is used.
As a further description of the above technical solution:
the device further comprises a pressure stabilizing device, and the pressure stabilizing device is communicated with the conveying pipeline.
As a further description of the above technical solution:
the pressure stabilizing device comprises an energy storage pipe, an electromagnetic valve and a one-way valve, wherein the energy storage pipe is communicated with the conveying pipeline through the electromagnetic valve and the one-way valve.
As a further description of the above technical solution:
the energy storage pipe is axially the same as the conveying pipeline, connectors which are axially and uniformly distributed and connected with the electromagnetic valve and the one-way valve are fixedly arranged, and the electromagnetic valve and the one-way valve are arranged in parallel.
As a further description of the above technical solution:
and one side of the energy storage pipe is provided with a water storage pipe which is communicated with the conveying pipeline through a pipeline.
As a further description of the above technical solution:
and an impeller is rotatably connected in the conveying pipeline and positioned in the linear section interval.
As a further description of the above technical solution:
and the outer side wall of each blade on the impeller is elastically connected with a scraper.
As a further description of the above technical solution:
the conveying pipeline is axially provided with the synergistic power generation devices which are uniformly distributed, and the synergistic thermoelectric elements on the synergistic power generation devices extend into the conveying pipeline.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention comprises a steam boiler and a conveying pipeline, and comprises a synergistic power generation device, a supercharging power generation device and a storage battery, wherein the synergistic power generation device comprises a synergistic thermoelectric element, the hot end of the synergistic thermoelectric element extends into a steam chamber of the steam boiler, the cold end is positioned outside, the supercharging generating set comprises a supercharging thermoelectric element, the hot end of the supercharging thermoelectric element is matched with the outer surface wall of the conveying pipeline, therefore, according to the thermoelectric generation principle, the density in the steam furnace is high, the temperature is high, under the condition of constant temperature difference, the heat flow density is increased to a certain value, at the moment, the density of the steam is increased, the temperature is high, can improve the generating efficiency by 10 to 25 percent, is stored in a storage battery, has small temperature variation range of the hot end and the cold end of the supercharging thermoelectric element, therefore, larger voltage can be generated and stored in the storage battery, and the recovery and utilization of the residual pressure and heat of the steam boiler are realized.
2. The steam storage device comprises a pressure stabilizing device and a conveying pipeline which are communicated, wherein the axial direction of an energy storage pipe is the same as that of the conveying pipeline, connectors which are axially and uniformly distributed and are connected with an electromagnetic valve and a one-way valve are fixedly arranged on the energy storage pipe, the electromagnetic valve and the one-way valve are arranged in parallel, when the conveying pipeline conveys steam, the conveying pipeline charges pressure into an energy storage tank through the one-way valve, when the pressure of the conveying pipeline is insufficient and external pressurization equipment cannot supply the pressure in time, the electromagnetic valve is opened, the energy storage pipe provides pressure for the conveying pipe to stabilize the pressure of steam conveyed by the conveying pipe, stable steam supply is ensured.
3. According to the invention, one side of the energy storage pipe is provided with the water storage pipe, the water storage pipe is communicated with the conveying pipeline through a pipeline, the impeller is rotatably connected in the conveying pipeline and positioned in a straight-line section, the outer side wall of the blade on the impeller is elastically connected with the scraping plate, the energy storage pipe enables water in the water storage pipe to enter the conveying pipeline to wash the inner wall of the conveying pipeline, the impeller rotates under the action of water flow, and the scraping plate on the impeller can clean the inner wall of the conveying pipeline when the impeller rotates, so that the effects of washing the conveying pipeline and cleaning the inner wall by utilizing the collected pressure energy are.
4. According to the invention, the uniformly distributed synergistic power generation devices are arranged on the conveying pipeline along the axial direction, and the synergistic thermoelectric elements on the synergistic power generation devices extend into the conveying pipeline, so that the whole conveying pipeline generates power by using the temperature and the pressure in the conveying pipeline, and the collection amount of the storage battery to large current is increased.
Drawings
FIG. 1 is a schematic structural diagram of an overall steam boiler residual pressure recovery system according to the present invention;
FIG. 2 is a schematic structural diagram of a pressure stabilizer of a residual pressure recovery system of a steam boiler according to the present invention;
FIG. 3 is a schematic structural diagram of the connection of a supercharging thermoelectric element, a synergistic thermoelectric element and a conveying pipeline of the residual pressure recovery system of a steam boiler provided by the invention;
FIG. 4 is a schematic structural diagram of a cross-sectional view of a transfer pipe of a residual pressure recovery system of a steam boiler according to the present invention;
FIG. 5 is a right side view, cross-sectional, and schematic structural view of a transfer pipe of a residual pressure recovery system for a steam boiler according to the present invention.
Illustration of the drawings:
1. a steam oven; 2. a delivery conduit; 21. an impeller; 211. a squeegee; 3. a synergistic power generation device; 31. a synergistic thermoelectric element; 4. a booster power generation device; 41. a pressurized thermoelectric element; 5. a storage battery; 6. a voltage stabilizer; 61. an energy storage tube; 611. a joint; 62. an electromagnetic valve; 63. a one-way valve; 64. a water storage pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a steam boiler residual pressure recovery system comprises a steam boiler 1, a conveying pipeline 2, a synergistic power generation device 3, a supercharging power generation device 4 and a storage battery 5, wherein the synergistic power generation device 3 comprises a synergistic thermoelectric element 31, the hot end of the synergistic thermoelectric element 31 extends into a steam chamber of the steam boiler 1, and the cold junction is located the outside, pressure boost power generation facility 4 includes pressure boost thermoelectric element 41, the hot junction of pressure boost thermoelectric element 41 and the outward appearance wall cooperation of pipeline 2 are used, battery 5 is connected with increase thermoelectric element 31 and pressure boost thermoelectric element 41 through the electric wire, be used for collecting the electric current that produces because of the difference in temperature, increase thermoelectric element 31 and pressure boost thermoelectric element 41 adopt the structure that N type and P type terminal are constituteed, utilize the thermoelectric generation principle, the realization utilizes the conversion of steam boiler 1 internal and pipeline 2 temperature and pressure.
Example 2
Referring to fig. 2, the difference from embodiment 1 is that the pressure stabilizer 6 is further included, the pressure stabilizer 6 is communicated with the conveying pipeline 2, the pressure stabilizer 6 includes an energy storage pipe 61, an electromagnetic valve 62 and a one-way valve 63, the energy storage pipe 61 is communicated with the conveying pipeline 2 through the electromagnetic valve 62 and the one-way valve 63, the energy storage pipe 61 has the same axial direction as the conveying pipeline 2, and is fixedly provided with a joint 611 which is axially and uniformly distributed and connected with the electromagnetic valve 62 and the one-way valve 63, the electromagnetic valve 62 and the one-way valve 63 are arranged in parallel, the conveying pipeline 2 is communicated with the energy storage pipe 61 through the one-way valve 63 and the electromagnetic valve 62, the energy storage pipe 61 adopts a common energy storage structure which is provided with a spring structure in the market, when the conveying pipeline 2 circulates high-pressure steam, the high-pressure steam opens the energy storage pipe in the one-way valve 63, and stores the pressure energy in the energy storage pipe 61, the pressure in the energy storage pipe 61 is reversely supplied by controlling the opening of the electromagnetic valve 62, and the stability of steam delivery is improved.
Example 3
Referring to fig. 2-5, the difference from embodiment 2 is that a water storage pipe 64 is disposed on one side of the energy storage pipe 61, the water storage pipe 64 is communicated with the conveying pipeline 2 through a pipeline, an electromagnetic control valve may be disposed between the water storage pipe 64 and the energy storage pipe 61 and the conveying pipeline 2, after the electromagnetic control valve is opened, the energy storage pipe 61 conveys water in the water storage pipe 64 to the conveying pipeline 2 for flushing and cleaning impurities and the like in the conveying pipeline 2, an impeller 21 is rotatably connected to the conveying pipeline 2 and located in a linear section, the impeller 21 rotates under the impact of water flow to advance when the water flow rotates, the flushing force is improved, a scraper 211 is elastically connected to the outer side wall of a blade on the impeller 21, the rotating impeller 21 may be connected to the scraper 211 through a spring, and the scraper 211 scrapes calcifications on the inner wall of the conveying pipeline 2 to further clean the conveying pipeline 2.
Example 4
Referring to fig. 3, the difference from embodiment 1 is that the conveying pipeline 2 is provided with the synergistic power generation devices 3 uniformly distributed along the axial direction, and the synergistic thermoelectric elements 31 on the synergistic power generation devices 3 extend into the conveying pipeline 2, so that the whole conveying pipeline 2 generates power by using the temperature and pressure therein, and the power generation efficiency is increased.
The working principle is as follows: when the steam boiler is used, steam produced by the steam boiler 1 is conveyed into the conveying pipeline 2 through an external supercharging device and flows in the conveying pipeline 2, at the moment, the pressure in the conveying pipeline 2 rises, then a pressure regulating valve is arranged between the one-way valve 63 and the conveying pipeline 2, when the pressure in the conveying pipeline 2 reaches a value specified by the pressure regulating valve, the pressure is opened, the pressure is conveyed into the energy storage pipe 61 through the one-way valve 63, the energy storage pipe 61 starts to store the pressure, the pressure in a steam chamber in the steam boiler 1 is increased, the temperature is high, the temperature difference power generation is realized by using the effect-increasing thermoelectric element 31, under the condition that the temperature difference is not changed, the heat flow density is increased to a certain value, at the moment, the steam density is increased, the temperature is high, the power generation efficiency can be improved by 10% -25%, the hot end of the supercharging thermoelectric element 41 is contacted with the outer wall of the conveying pipeline 2, the temperature difference increases, the thermoelectromotive force increases thereupon, but the electric current descends, above-mentioned two kinds of electricity generation modes can carry great electric current and voltage to battery 61, realize steam boiler 1 and pipeline 2 internal pressure and thermal conversion, when the delivery pressure in pipeline 2 is not enough, open through control solenoid valve 62, realize the back supply of energy storage pipe 61 internal pressure, the stability of steam feed has been improved, when needing to wash pipeline 2, energy storage pipe 61 is with the water pressure in the water storage pipe 64 in pipeline 2, wash pipeline 2 inner wall, impeller 21 rotates under the effect of rivers simultaneously, scraper blade 211 above that when impeller 21 is rotatory can clear up pipeline 2's inner wall, thereby have the pressure energy of utilizing the collection and wash pipeline 2 and clean the effect of inner wall.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a steam boiler residual pressure recovery system, includes steam boiler (1) and pipeline (2), its characterized in that still includes increase power generation facility (3), pressure boost power generation facility (4) and battery (5), increase power generation facility (3) are including increase thermoelectric element (31), the hot junction of increase thermoelectric element (31) stretches into in the steam chamber of steam boiler (1), and the cold junction is located the outside, pressure boost power generation facility (4) are including pressure boost thermoelectric element (41), the hot junction of pressure boost thermoelectric element (41) and the cooperation of the outward appearance wall of pipeline (2) are used.
2. A steam boiler residual pressure recovery system according to claim 1, characterized in that, further comprising a pressure stabilizer (6), the pressure stabilizer (6) is communicated with the conveying pipe (2).
3. A steam boiler residual pressure recovery system according to claim 2, characterized in that the pressure stabilizer (6) comprises an energy storage pipe (61), an electromagnetic valve (62) and a check valve (63), and the energy storage pipe (61) is communicated with the delivery pipe (2) through the electromagnetic valve (62) and the check valve (63).
4. A steam boiler residual pressure recovery system according to claim 3, characterized in that the energy storage pipe (61) is axially the same as the transfer pipe (2) and is fixedly provided with joints (611) which are axially uniformly distributed and connected with the electromagnetic valve (62) and the check valve (63), and the electromagnetic valve (62) and the check valve (63) are arranged in parallel.
5. A steam boiler residual pressure recovery system according to claim 4, characterized in that one side of the energy storage pipe (61) is provided with a water storage pipe (64), and the water storage pipe (64) is communicated with the conveying pipe (2) through a pipeline.
6. A steam boiler residual pressure recovery system according to claim 5, characterized in that an impeller (21) is rotatably connected in the conveying pipe (2) and in the straight section.
7. A residual pressure recovery system for a steam boiler according to claim 6, wherein scrapers (211) are elastically connected to outer sidewalls of the blades of the impeller (21).
8. A steam boiler residual pressure recovery system according to any of claims 1-7, characterized in that the conveying pipe (2) is provided with uniformly distributed synergistic power generation devices (3) along the axial direction, and the synergistic thermoelectric elements (31) on the synergistic power generation devices (3) extend into the conveying pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289162.0A CN112984489A (en) | 2019-12-13 | 2019-12-13 | Steam boiler residual pressure recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289162.0A CN112984489A (en) | 2019-12-13 | 2019-12-13 | Steam boiler residual pressure recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112984489A true CN112984489A (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911289162.0A Withdrawn CN112984489A (en) | 2019-12-13 | 2019-12-13 | Steam boiler residual pressure recovery system |
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| CN (1) | CN112984489A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353042A (en) * | 2022-02-22 | 2022-04-15 | 山东盛合电力工程设计有限公司 | Energy storage device for boiler waste heat recovery |
-
2019
- 2019-12-13 CN CN201911289162.0A patent/CN112984489A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353042A (en) * | 2022-02-22 | 2022-04-15 | 山东盛合电力工程设计有限公司 | Energy storage device for boiler waste heat recovery |
| CN114353042B (en) * | 2022-02-22 | 2023-12-26 | 山东盛合电力工程设计有限公司 | Energy storage device for boiler waste heat recovery |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210618 |
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| WW01 | Invention patent application withdrawn after publication |