CN214004108U - Deaerator waste heat recovery device - Google Patents
Deaerator waste heat recovery device Download PDFInfo
- Publication number
- CN214004108U CN214004108U CN202022584643.9U CN202022584643U CN214004108U CN 214004108 U CN214004108 U CN 214004108U CN 202022584643 U CN202022584643 U CN 202022584643U CN 214004108 U CN214004108 U CN 214004108U
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- waste heat
- heat recovery
- recovery tank
- water
- water inlet
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- 238000011084 recovery Methods 0.000 title claims abstract description 56
- 239000002918 waste heat Substances 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 230000030279 gene silencing Effects 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a deaerator waste heat recovery device, which comprises a waste heat recovery tank, wherein the top of the waste heat recovery tank is provided with a steam exhaust port, the side part of the waste heat recovery tank is provided with a first water inlet, the bottom of the waste heat recovery tank is provided with a water outlet, and the waste heat recovery tank is internally provided with a buffer chamber; the water jet air extractor is arranged on the waste heat recovery tank and comprises a second water inlet, an adjusting valve, a high-speed nozzle, a steam suction pipe and a flared pipe, the second water inlet, the adjusting valve and the high-speed nozzle are sequentially communicated, the high-speed nozzle and the steam suction pipe are respectively communicated with the flared section of the flared pipe, part of the second water inlet and the steam suction pipe are positioned on the outer side of the waste heat recovery tank, and a contraction section of the flared pipe extends downwards to the lower part of the interior of the waste heat recovery tank; the control unit comprises a controller and a temperature measuring element which is arranged in the waste heat recovery tank and is in signal connection with the controller, and when the detection value of the temperature measuring element is greater than the temperature threshold value, the control unit controls the regulating valve to increase the opening degree of the temperature measuring element; when the detection value of the temperature measuring element is smaller than or equal to the temperature threshold value, the regulating valve is controlled to reduce the opening degree of the regulating valve.
Description
Technical Field
The utility model relates to a deaerator steam exhaust waste heat recovery equipment technical field of power plant, in particular to deaerator waste heat recovery device.
Background
The traditional residual gas recovery technology is realized by utilizing the heat of the dead steam to heat domestic water and reduce the energy consumption cost of life of people. Domestic water enters the heating cavity of the deaerator through a proper pipeline, is introduced into the same heating system with the residual gas discharge pipeline, is heated by high-temperature steam in the exhaust steam, and is finally injected into the hot water storage tank through the U-shaped pipe. And the temperature of the hot water in the tank is regulated by using the temperature control device, and the qualified hot water is provided for a user to use. When the temperature of the supplied water is reduced, the water stored in the tank can be injected into the heating cycle again until the temperature is qualified. The method is used for directly applying the heat of the residual gas of the deaerator, has higher efficiency and simple device, and greatly reduces the consumption of fire coal needed by resident hot water close to the daily life of people.
However, because the application range of the large deaerator is generally in boilers of factories and power stations and is not close to concentrated residential areas, the number of users which can be provided is small, and if hot water cannot be conveniently and timely utilized, a large amount of heat can still be lost. If the device is provided for a user at a far place, the energy loss in a transportation way is increased, the manufacturing cost of the device is improved, and the cost performance is reduced. Moreover, long-term adoption of the method can cause a large amount of scale in the hot water storage tank, certain scale removal cost is needed, and certain influence is also caused on water supply quality. Meanwhile, the energy utilization of the method is single, only the heat is transferred, and a plurality of energy sources cannot be provided.
In view of the situation, it is necessary to deeply research the residual gas recovery technology of the deaerator, and encourage innovation to achieve residual gas recovery in various ways with the purposes of improving energy utilization rate and increasing energy conversion ways.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a deaerator waste heat recovery device that heat exchange efficiency is higher, the deoxidization effect is better.
Therefore, the utility model provides a deaerator waste heat recovery device, include:
the waste heat recovery tank is provided with a steam exhaust port at the top, a first water inlet at the side part, a water outlet at the bottom and a buffer chamber inside;
the water jet air extractor is arranged on the waste heat recovery tank and comprises a second water inlet, an adjusting valve, a high-speed nozzle, a steam suction pipe and a flared pipe, the second water inlet, the adjusting valve and the high-speed nozzle are sequentially communicated, the high-speed nozzle and the steam suction pipe are respectively communicated with the flared section of the flared pipe, part of the second water inlet and the steam suction pipe are positioned on the outer side of the waste heat recovery tank, and a contraction section of the flared pipe extends downwards to the lower part of the interior of the waste heat recovery tank;
the control unit comprises a controller, a temperature measuring element arranged in the waste heat recovery tank and connected with the controller through signals, the controller is connected with the control valve in a control mode, and the controller is configured as follows: when the detection value of the temperature measuring element is larger than the temperature threshold value, the regulating valve is controlled to increase the opening degree of the regulating valve; when the detection value of the temperature measuring element is smaller than or equal to the temperature threshold value, the regulating valve is controlled to reduce the opening degree of the regulating valve.
In the above technical solution, preferably, the temperature measuring element is a thermocouple.
Among the above-mentioned technical scheme, preferred, be equipped with the amortization subassembly in the waste heat recovery jar, the amortization subassembly is including establishing two-layer amortization orifice plate, the amortization filler of filling between two-layer amortization orifice plate in the inside below of waste heat recovery jar.
Among the above-mentioned technical scheme, preferred, be equipped with the trickle subassembly between amortization subassembly and first water inlet, the trickle subassembly includes along the multilayer trickle grate that sets up from top to bottom.
In the above technical solution, preferably, the number of the water spraying grates is set to be two.
Among the above-mentioned technical scheme, preferred, the shrink section lower extreme of flaring pipe is equipped with prevents suck-back subassembly to prevent that the condensate water of bottom in the waste heat recovery jar from being sucked into in the flaring pipe backward.
Compared with the prior art, the utility model has the advantages as follows:
1. inhale the exhaust hot steam of oxygen-eliminating device through the steam suction pipe, introduce microthermal demineralized water and mix with hot steam through first, two water inlets, can reduce the resistance of steam flow in-process, promote dissolved oxygen and discharge, improve the deoxidization effect.
2. Through setting up the water jet air ejector, increase the velocity of flow of the mixed fluid of demineralized water and hot steam with the help of high-speed nozzle, reduce pressure to form the negative pressure in the buffer chamber, thereby further increase the absorbed quantity of hot steam, improve heat exchange efficiency.
3. Detect the temperature condition in the waste heat recovery jar through temperature element to control the aperture size of governing valve through the controller, provide suitable soda proportion and jar internal temperature, avoid appearing the steam extraction and take the water phenomenon, promote the discharge of noncondensable steam and dissolved oxygen.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
wherein the drawings are illustrated as follows:
100-a deaerator waste heat recovery device;
1-a waste heat recovery tank; 11-a steam outlet; 12-a first water inlet; 13-water outlet; 14-a buffer chamber;
2-water jet air extractor; 21-a second water inlet; 22-a regulating valve; 23-a high-speed nozzle; 24-a steam suction pipe; 25-flared tube; 251-a flared section; 252-a constriction;
31-a temperature measuring element;
4-a sound attenuation component; 41-silencing orifice plate; 42-sound-deadening packing;
5-a water spraying component;
6-anti-suck back component.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.
The terms of orientation of upper, lower, inner, outer, middle, side, top, bottom, etc. referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed according to the position and the use state. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1, a deaerator waste heat recovery device 100 includes a waste heat recovery tank 1, a water jet air ejector 2, a control unit (only a temperature measuring element 31 is shown, and a controller is not shown), a silencing component 4, a water spraying component 5, and an anti-suck-back component 6.
The top of the waste heat recovery tank 1 is provided with a steam outlet 11, the side part is provided with a first water inlet 12, the bottom is provided with a water outlet 13, and the interior is provided with a buffer chamber 14.
The water jet air ejector 2 is arranged on the waste heat recovery tank 1, the water jet air ejector 2 comprises a second water inlet 21, a regulating valve 22, a high-speed nozzle 23, a steam suction pipe 24 and a flared pipe 25, the second water inlet 21, the regulating valve 22 and the high-speed nozzle 23 are sequentially communicated, the high-speed nozzle 23 and the steam suction pipe 24 are respectively communicated with the flared section 251 of the flared pipe 25, the second water inlet 21 and the steam suction pipe 24 are partially positioned on the outer side of the waste heat recovery tank 1, and the contraction section 252 of the flared pipe 25 extends downwards to the lower portion of the interior of the waste heat recovery tank 1.
The control unit comprises a controller, a temperature measuring element 31 which is arranged in the waste heat recovery tank 1 and is in signal connection with the controller, the controller is in control connection with the regulating valve 22, and the controller is configured as follows: when the detection value of the temperature measuring element 31 is larger than the temperature threshold value, the regulating valve 22 is controlled to increase the opening degree; when the detection value of the temperature measuring element 31 is less than or equal to the temperature threshold value, the regulating valve 22 is controlled to reduce the opening degree thereof. In this example, the temperature measuring element 31 is a thermocouple.
The waste heat recovery tank 1 is internally provided with a silencing component 4, and the silencing component 4 comprises two layers of silencing pore plates 41 arranged below the inside of the waste heat recovery tank 1 and a silencing filler 42 filled between the two layers of silencing pore plates 41.
A water spraying component 5 is arranged between the silencing component 4 and the first water inlet 12, and the water spraying component 5 comprises a plurality of layers of water spraying grates which are arranged up and down. The number of the water spraying grates is set to be 3.
The lower end of the contraction section 252 of the flared pipe 25 is provided with the suck-back prevention assembly 6 so as to prevent the condensed water at the bottom in the waste heat recovery tank 1 from being sucked back into the flared pipe 25.
The working principle of the utility model is realized as follows:
hot steam discharged by a deaerator (not shown) is sucked by a steam suction pipe 24, then low-temperature demineralized water is introduced into a second water inlet 21, a mixed fluid of the hot steam and the low-temperature demineralized water introduced from the second water inlet 21 is sprayed into the lower part of the interior of the waste heat recovery tank 1, namely the lower part of the buffer chamber 14 at a high speed by a high-speed nozzle 23, and then the hot steam upwelles and moves upwards after being subjected to silencing treatment by a silencing assembly 4; then, low-temperature demineralized water is introduced into the first water inlet 12, the demineralized water is uniformly scattered through the three layers of water spraying grates of the water spraying assembly 5 and meets upwelled hot steam, the steam and the water are uniformly mixed, most of the steam transfers heat to the sprayed demineralized water, and a small part of the steam is discharged through the exhaust port 11; the condensed water condensed at the lower part of the buffer chamber 14 is discharged through the water outlet 13, during which the temperature condition in the tank is detected by a temperature measuring element 31 such as a thermocouple, etc., and a temperature signal is fed back to the controller, and the controller compares the measured temperature with a temperature threshold value and outputs a comparison result: when the measured temperature is greater than the temperature threshold, the controller sends a control signal to the regulating valve 22 to control the opening degree of the regulating valve to be increased; when actual measurement temperature is less than or equal to the temperature threshold value, then the controller sends control signal for governing valve 22, controls it and reduces the aperture to ensure suitable soda proportion and temperature in the jar, when reinforcing heat exchange efficiency, avoid the delivery port steam extraction to take the water phenomenon to appear, promote the discharge of noncondensable vapour and dissolved oxygen, make equipment operation more stable, heat exchange efficiency and deoxidization effect are better.
The technical scope of the present application is not limited to the contents in the above description, and those skilled in the art can make various changes and modifications to the above embodiments without departing from the technical spirit of the present application, and these changes and modifications should fall within the protective scope of the present application.
Claims (6)
1. The utility model provides a deaerator waste heat recovery device which characterized in that includes:
the waste heat recovery tank (1) is provided with a steam exhaust port (11) at the top, a first water inlet (12) at the side part, a water outlet (13) at the bottom and a buffer chamber (14) inside;
the water jetting air extractor (2) is arranged on the waste heat recovery tank (1), the water jetting air extractor (2) comprises a second water inlet (21), an adjusting valve (22), a high-speed nozzle (23), a steam suction pipe (24) and a flared pipe (25), the second water inlet (21), the adjusting valve (22) and the high-speed nozzle (23) are sequentially communicated, the high-speed nozzle (23) and the steam suction pipe (24) are respectively communicated with a flared section (251) of the flared pipe (25), parts of the second water inlet (21) and the steam suction pipe (24) are located on the outer side of the waste heat recovery tank (1), and a contraction section (252) of the flared pipe (25) extends downwards to the lower portion of the interior of the waste heat recovery tank (1);
the control unit comprises a controller and a temperature measuring element (31) which is arranged in the waste heat recovery tank (1) and is in signal connection with the controller, the controller is in control connection with the regulating valve (22), and the controller is configured as follows: when the detection value of the temperature measuring element (31) is larger than the temperature threshold value, the regulating valve (22) is controlled to increase the opening degree of the regulating valve; when the detection value of the temperature measuring element (31) is smaller than or equal to the temperature threshold value, the regulating valve (22) is controlled to reduce the opening degree of the regulating valve.
2. The deaerator waste heat recovery device of claim 1, characterized in that: the temperature measuring element (31) is a thermocouple.
3. The deaerator waste heat recovery device of claim 1, characterized in that: the waste heat recovery tank is characterized in that a silencing assembly (4) is arranged in the waste heat recovery tank (1), and the silencing assembly (4) comprises two layers of silencing pore plates (41) arranged below the inside of the waste heat recovery tank (1) and silencing filler (42) filled between the two layers of silencing pore plates (41).
4. The deaerator waste heat recovery device of claim 3, characterized in that: a water spraying component (5) is arranged between the silencing component (4) and the first water inlet (12), and the water spraying component (5) comprises a plurality of layers of water spraying grates which are arranged up and down.
5. The deaerator waste heat recovery device of claim 4, characterized in that: the number of the water spraying grates is set to be 3.
6. The deaerator waste heat recovery device of claim 1, characterized in that: and the lower end of the contraction section (252) of the flared pipe (25) is provided with a suck-back prevention assembly (6) so as to prevent condensed water at the bottom in the waste heat recovery tank (1) from being sucked back into the flared pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022584643.9U CN214004108U (en) | 2020-11-10 | 2020-11-10 | Deaerator waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022584643.9U CN214004108U (en) | 2020-11-10 | 2020-11-10 | Deaerator waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214004108U true CN214004108U (en) | 2021-08-20 |
Family
ID=77304041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022584643.9U Active CN214004108U (en) | 2020-11-10 | 2020-11-10 | Deaerator waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214004108U (en) |
-
2020
- 2020-11-10 CN CN202022584643.9U patent/CN214004108U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: MARINE RESOURCES DEVELOPMENT INSTITUTE OF JIANGSU (LIANYUNGANG) Assignor: Jiangsu Ocean University Contract record no.: X2023980048267 Denomination of utility model: A waste heat recovery device for deaerator Granted publication date: 20210820 License type: Common License Record date: 20231128 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240626 Address after: 230000 b-1018, Woye Garden commercial office building, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee after: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd. Country or region after: China Address before: No.59 Cangwu Road, Xinpu District, Lianyungang City, Jiangsu Province 222000 Patentee before: Jiangsu Ocean University Country or region before: China |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: MARINE RESOURCES DEVELOPMENT INSTITUTE OF JIANGSU (LIANYUNGANG) Assignor: Jiangsu Ocean University Contract record no.: X2023980048267 Date of cancellation: 20240726 |