CN220012379U - Continuous blowdown waste water recovery unit of boiler - Google Patents
Continuous blowdown waste water recovery unit of boiler Download PDFInfo
- Publication number
- CN220012379U CN220012379U CN202320973256.5U CN202320973256U CN220012379U CN 220012379 U CN220012379 U CN 220012379U CN 202320973256 U CN202320973256 U CN 202320973256U CN 220012379 U CN220012379 U CN 220012379U
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- steam
- pipe
- boiler
- filter element
- recovery tank
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- 238000011084 recovery Methods 0.000 title claims abstract description 64
- 239000002351 wastewater Substances 0.000 title claims abstract description 28
- 238000000746 purification Methods 0.000 claims abstract description 39
- 238000001179 sorption measurement Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000013078 crystal Substances 0.000 abstract description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 5
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 abstract description 5
- 229910019142 PO4 Inorganic materials 0.000 abstract description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011575 calcium Substances 0.000 abstract description 5
- 229910001424 calcium ion Inorganic materials 0.000 abstract description 5
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 5
- 239000010452 phosphate Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 abstract description 5
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 5
- 239000000377 silicon dioxide Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a continuous blowdown wastewater recovery device of a boiler, which comprises a steam purification recovery tank, wherein a demineralized water connecting pipe, an input pipe and a steam output pipe are communicated with the outside of the steam purification recovery tank, a blowdown pipe is fixedly communicated with the bottom side of the steam purification recovery tank, a wastewater recovery treatment structure is arranged on the inner side of the steam purification recovery tank, the wastewater recovery treatment structure comprises an adsorption heat exchange unit and a steam purification unit, and the steam purification unit is higher than the adsorption heat exchange unit. According to the utility model, the filter element filler layer is adsorbed by the high and new purifying material, impurities such as phosphate, calcium and magnesium ion sediment, silicon dioxide and the like are adsorbed, the removal rate of crystals in the steam after adsorption can reach 90%, the quality of steam recycling is greatly improved, the final purifying treatment is carried out on the steam by the composite nano filter element, and the steam purifying rate leaving the filter element finally reaches more than 97%, so that the efficiency and quality of steam recycling are ensured, and the crystals are prevented from being generated after the steam is cooled.
Description
Technical Field
The utility model relates to the technical field of boiler equipment, in particular to a continuous blowdown wastewater recovery device for a boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, the original meaning of the boiler refers to a water container heated on fire, the boiler refers to a place where the fuel is combusted, and the boiler comprises two parts of the boiler and the boiler. The hot water or steam generated in the boiler can directly provide heat energy required by industrial production and human life, and can also be converted into mechanical energy through a steam power device or converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, has a small amount of application in industrial production, is called a steam boiler, is often called a boiler for short, and when the boiler is used, sewage is generated, and is generally recovered.
The existing wastewater recovery device is wider in use, but has the problems in actual use: the existing sewage disposal wastewater device is generally communicated with a continuous sewage outlet of a boiler drum directly, sewage is directly heated and evaporated to form steam for secondary utilization and recovery, but impurities such as phosphate, calcium and magnesium ion sediment and silicon dioxide in the sewage affect the quality of the steam in the process of heating and evaporating the sewage, so that crystal impurities can be generated during secondary utilization and after cooling, the water load of a boiler is continuously changed, the continuous sewage outlet of the boiler drum is directly communicated with a recovery device, continuous and stable sewage disposal wastewater recovery is difficult to realize, the steam recovery efficiency is affected, and therefore, a device is needed to solve the problem.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a continuous blowdown wastewater recovery device for a boiler.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a boiler continuous blowdown waste water recovery unit, includes the steam purification recovery jar, the external intercommunication of steam purification recovery jar has demineralized water takeover, input tube and steam output tube, and its downside fixed connection has the blow off pipe, the steam purification recovery jar inboard is provided with waste water recovery processing structure, and it includes adsorption heat exchange unit and steam purification unit, the steam purification unit is higher than adsorption heat exchange unit, and both set up in the steam purification recovery jar, input tube and steam output tube one end intercommunication have the heat supply steam pipe network connecting pipe, and the input tube middle part is connected with communicating pipe, and the one end intercommunication of communicating pipe has the boiler steam pocket takeover, demineralized water takeover, boiler steam pocket takeover, communicating pipe, input, heat supply steam pipe network connecting pipe and blow off pipe on all be connected with the valve.
Preferably, the adsorption heat exchange unit comprises an adsorption filter element filler layer and a heating pipe, a supporting partition plate is arranged in the steam purification recovery tank, the adsorption filter element filler layer is fixedly connected with the supporting partition plate and the inner wall of the steam purification recovery tank, and the heating pipe is arranged in the steam purification recovery tank and is positioned at the bottom side of the adsorption filter element filler layer.
Preferably, the adsorption filter element filler layer is positioned at the bottom sides of the input pipe and the steam output pipe.
Preferably, the steam purifying unit comprises a composite nano filter element which is fixed on the top side of the supporting partition plate and has a honeycomb structure inside.
Preferably, one end of the boiler steam pocket connecting pipe is connected with a row of expansion vessels, and an electromagnetic valve is arranged on the outer side of a pipeline communicated with the two.
Preferably, the valve on the connecting pipe of the heating steam pipe network is arranged between the input pipe and the steam output pipe.
Preferably, the outer bottom of the steam purifying recovery tank is fixedly connected with supporting feet, the blow-down pipes are arranged in a plurality of equal-distance arrangement and distribution mode, and the length of the blow-down pipes is smaller than the height of the supporting feet.
Preferably, a pressure release valve is communicated with the outer side of the steam purifying recovery tank close to the composite nano filter element.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the filter element filler layer is adsorbed by the high and new purifying material, impurities such as phosphate, calcium and magnesium ion sediment, silicon dioxide and the like are adsorbed, the removal rate of crystals in the steam after adsorption can reach 90%, the quality of steam recycling is greatly improved, the final purifying treatment is carried out on the steam by the composite nano filter element, and the steam purifying rate leaving the filter element finally reaches more than 97%, so that the efficiency and quality of steam recycling are ensured, and the crystals are prevented from being generated after the steam is cooled;
2. according to the utility model, the heat lost by continuous blowdown of part of boilers can be recovered through the arrangement of the continuous blowdown vessel, so that the working efficiency of the boilers can be improved, the recovery and reutilization of heat energy can be realized, the continuous blowdown capacity can be automatically regulated along with the change of the boiler water supply load, the relatively stable blowdown rate is maintained, the stable steam purification recovery efficiency of the steam purification recovery tank is further ensured, and the use requirements of people are met.
Drawings
FIG. 1 is a schematic perspective view of a continuous blowdown wastewater recovery device for a boiler according to the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic side view of the present utility model;
FIG. 4 is a schematic view of the internal part structure of the steam purifying recovery tank of the present utility model;
fig. 5 is a schematic view of the whole process layout connection aerial view structure of the present utility model.
In the figure: 1. a steam purifying recovery tank; 2. a desalted water connecting pipe; 3, connecting a boiler steam drum pipe; 4. a row of expansion vessels; 5. a communicating pipe; 6. an input tube; 7. a heating steam pipe network connecting pipe; 8. a valve; 9. a blow-down pipe; 10. a support leg; 11. supporting the partition plate; 12. heating pipes; 13. adsorbing the filter element filler layer; 14. composite nano filter element.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
Referring to fig. 1-5, a continuous blowdown wastewater recovery device of a boiler comprises a steam purification recovery tank 1, wherein a demineralized water connecting pipe 2, an input pipe 6 and a steam output pipe are communicated outside the steam purification recovery tank 1, a blowdown pipe 9 is fixedly communicated with the bottom side of the steam purification recovery tank, a wastewater recovery treatment structure is arranged on the inner side of the steam purification recovery tank 1, the wastewater recovery treatment structure comprises an adsorption heat exchange unit and a steam purification unit, the steam purification unit is higher than the adsorption heat exchange unit, the adsorption heat exchange unit and the adsorption heat exchange unit are arranged in the steam purification recovery tank 1, a heating steam pipe network connecting pipe 7 is communicated with one end of the input pipe 6 and one end of the steam output pipe, a communicating pipe 5 is connected with the middle part of the input pipe 6, one end of the communicating pipe 5 is communicated with a boiler steam drum connecting pipe 3, and valves 8 are connected to the demineralized water connecting pipe 2, the boiler steam drum connecting pipe 3, the communicating pipe 5, the input pipe 6, the heating steam pipe network connecting pipe 7 and the blowdown pipe 9;
in this embodiment, when in use, firstly, the waste water in the boiler blow-down outlet enters the input pipe 6 along with the boiler steam drum connecting pipe 3 through the communicating pipe 5, water in the heat supply steam pipe network enters the adsorption heat exchange unit in the steam purification recovery tank 1 through the input pipe 6 to perform heat exchange and steam adsorption, impurity adsorption treatment on phosphate, calcium and magnesium ion sediment, silicon dioxide and the like is performed, the highest crystal removal rate in the adsorbed steam can reach about 90%, final steam purification can be performed through the steam purification unit, the crystallization rate after steam cooling is greatly reduced, the adsorption heat exchange unit adsorbs the impurities of phosphate, calcium and magnesium ion sediment, silicon dioxide and the like and then discharges the impurities through the blow-down pipe 9, and the steam is conveyed to the steam pipe network through the heat supply steam pipe network connecting pipe 7 to be secondarily utilized, wherein the desalted water is supplemented through the desalted water connecting pipe 2 when the waste water is input, and the formation of scale is effectively prevented.
Example two
Referring to fig. 1-5, in this embodiment, basically the same as embodiment one, more preferably, the adsorption heat exchange unit includes an adsorption filter element filler layer 13 and a heating pipe 12, a supporting partition plate 11 is disposed in the steam purifying and recovering tank 1, the adsorption filter element filler layer 13 is fixedly connected with the supporting partition plate 11 and the inner wall of the steam purifying and recovering tank 1, the heating pipe 12 is disposed in the steam purifying and recovering tank 1 and is located at the bottom side of the adsorption filter element filler layer 13, the adsorption filter element filler layer 13 is located at the bottom sides of the input pipe 6 and the steam output pipe, specifically, the steam zone is isolated from the heating zone by the supporting partition plate 11, secondary mixing after steam purifying is avoided, the quality of the steam is reduced, the steam after entering and evaporating passes through the adsorption filter element filler layer 13, the preliminary quality of the steam is improved by the adsorption filter element filler layer 13, and the heating pipe 12 heats and evaporates the waste water;
the steam purifying unit comprises a composite nano filter element 14, the composite nano filter element 14 is fixed on the top side of the supporting partition plate 11, and the inside of the composite nano filter element is of a honeycomb structure, and evaporated steam is finally purified through the composite nano filter element 14, so that the steam purifying rate of the steam leaving the composite nano filter element 14 reaches more than 97%, the load applied by the steam to the composite nano filter element 14 is more easily and uniformly distributed, the service life of the composite nano filter element 14 is prolonged, and the circulation of the steam is facilitated;
one end of the boiler steam drum connecting pipe 3 is connected with a continuous-discharge expansion vessel 4, an electromagnetic valve is arranged at the outer side of a pipeline communicated with the continuous-discharge expansion vessel 4, a valve 8 on a heating steam pipe network connecting pipe 7 is arranged between an input pipe 6 and a steam output pipe, part of heat lost by continuous pollution discharge of a boiler is recovered through the continuous-discharge expansion vessel 4, the boiler efficiency is improved, the heat energy is recovered and reused, the continuous pollution discharge amount is automatically regulated along with the change of the water supply load of the boiler, the relatively stable pollution discharge rate is kept, so that the stable steam recovery rate is ensured, and the cooled water in the heating steam pipe network can be controlled to reenter the steam purification recovery tank 1 for reuse through the electromagnetic valve, wherein the heat recovered by the continuous-discharge expansion vessel 4 can be also guided into the heating steam pipe network through the pipeline for use, and the heat energy recovery efficiency is improved;
the outer bottom side of the steam purifying and recycling tank 1 is fixedly connected with support legs 10, a plurality of drain pipes 9 are arranged and distributed at equal intervals, the length of each drain pipe 9 is smaller than the height of each support leg 10, the drain efficiency of the device is improved through the plurality of drain pipes 9, and the stability of the device is guaranteed through the support legs 10;
the outside intercommunication of the steam purification recovery tank 1 near compound nanometer filter core 14 is provided with the relief valve, guarantees the pressure stability in steam district through the relief valve, improves the safe in utilization of the device.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The continuous blowdown wastewater recovery device of the boiler comprises a steam purification recovery tank (1), and is characterized in that a demineralized water connecting pipe (2), an input pipe (6) and a steam output pipe are communicated with the outside of the steam purification recovery tank (1), and a blowdown pipe (9) is fixedly communicated with the bottom side of the steam purification recovery tank; the steam purification recovery tank (1) inboard is provided with waste water recovery processing structure, and it includes adsorption heat exchange unit and steam purification unit, steam purification unit is higher than adsorption heat exchange unit, and both set up in steam purification recovery tank (1), input tube (6) and steam output tube one end intercommunication have heat supply steam pipe network connecting pipe (7), and input tube (6) middle part is connected with communicating pipe (5), and the one end intercommunication of communicating pipe (5) has boiler steam pocket takeover (3), demineralized water takeover (2), boiler steam pocket takeover (3), communicating pipe (5), all be connected with valve (8) on input tube (6), heat supply steam pipe network connecting pipe (7) and blow off pipe (9).
2. The continuous blowdown wastewater recovery device of a boiler according to claim 1, wherein the adsorption heat exchange unit comprises an adsorption filter element filler layer (13) and a heating pipe (12), a supporting partition plate (11) is arranged in the steam purification recovery tank (1), the adsorption filter element filler layer (13) is fixedly connected with the supporting partition plate (11) and the inner wall of the steam purification recovery tank (1), and the heating pipe (12) is arranged inside the steam purification recovery tank (1) and is positioned at the bottom side of the adsorption filter element filler layer (13).
3. A continuous blowdown waste water recovery device for boiler according to claim 2, characterized in that the adsorption filter element filler layer (13) is located at the bottom side of the inlet pipe (6) and the steam outlet pipe.
4. The continuous blowdown wastewater recovery device of a boiler according to claim 1, wherein the steam purifying unit comprises a composite nano filter element (14), the composite nano filter element (14) is fixed on the top side of a supporting partition plate (11), and the inside of the composite nano filter element is of a honeycomb structure.
5. The continuous blowdown wastewater recovery device of a boiler according to claim 1, wherein one end of the boiler steam pocket connection pipe (3) is connected with a row of expansion vessels (4), and an electromagnetic valve is arranged outside a pipeline communicated between the two.
6. A boiler continuous blowdown waste water recovery device according to claim 1, characterized in that the valve (8) on the heating steam pipe network connecting pipe (7) is arranged between the input pipe (6) and the steam output pipe.
7. The continuous blowdown wastewater recovery device of a boiler according to claim 1, wherein the outer bottom side of the steam purifying and recovering tank (1) is fixedly connected with supporting legs (10), a plurality of blowdown pipes (9) are arranged and distributed at equal intervals, and the length of each blowdown pipe (9) is smaller than the height of each supporting leg (10).
8. A continuous blowdown wastewater recovery device for a boiler according to claim 1, wherein a pressure relief valve is provided in communication with the outside of the steam purifying recovery tank (1) adjacent to the composite nano filter element (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973256.5U CN220012379U (en) | 2023-04-26 | 2023-04-26 | Continuous blowdown waste water recovery unit of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973256.5U CN220012379U (en) | 2023-04-26 | 2023-04-26 | Continuous blowdown waste water recovery unit of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220012379U true CN220012379U (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320973256.5U Active CN220012379U (en) | 2023-04-26 | 2023-04-26 | Continuous blowdown waste water recovery unit of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220012379U (en) |
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2023
- 2023-04-26 CN CN202320973256.5U patent/CN220012379U/en active Active
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