CN216584275U - High enthalpy continuous-discharge wastewater recovery, purification and conditioning system - Google Patents
High enthalpy continuous-discharge wastewater recovery, purification and conditioning system Download PDFInfo
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- CN216584275U CN216584275U CN202122689025.5U CN202122689025U CN216584275U CN 216584275 U CN216584275 U CN 216584275U CN 202122689025 U CN202122689025 U CN 202122689025U CN 216584275 U CN216584275 U CN 216584275U
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Abstract
The utility model relates to the technical field of waste heat recovery and utilization, and discloses a high enthalpy continuous-discharge wastewater recovery, purification and tempering system which is characterized by comprising a wastewater pipeline, a steam pipeline, a mixing pipeline, a recovery pipeline, a Venturi mixing injection pipe and a purification and tempering box; the Venturi mixing injection pipe comprises an inner ring inlet, an outer ring inlet and an injection outlet, the waste water pipeline is communicated with the inner ring inlet, and the steam pipeline is communicated with the outer ring inlet; the purification and tempering tank comprises an air inlet end, a coarse screening section, a fine filtering section and an air outlet end which are sequentially communicated from left to right, wherein the air inlet end is communicated with the injection outlet through the mixing pipeline, and the air outlet end is communicated with the recovery pipeline. The system provided by the utility model is reasonable in structure arrangement, simplifies the complex steps of installation, operation, maintenance and the like, maximizes the recovery of waste heat, improves the operation efficiency of the system and reduces the operation cost.
Description
Technical Field
The utility model relates to the technical field of waste heat recovery and utilization, in particular to a high-enthalpy continuous-discharge wastewater recovery, purification and tempering system.
Background
In order to ensure the steam quality of the waste heat boiler in the normal operation process, saturated water needs to be continuously discharged from the position with the highest saline-alkali concentration in the steam drum, and the saline-alkali content, the silicic acid content and the suspended slag content of the saturated water in the steam drum are reduced. The discharged water has the characteristics of high temperature and high pressure, contains extremely high heat energy, and if the discharged water is directly discharged, energy waste is caused and even the ecological environment can be influenced, so that the realization of the global carbon neutralization target in the middle of the twenty-first century is seriously hindered.
The waste water amount of the waste heat boiler for continuous sewage disposal accounts for 1% -2% of the capacity of the waste heat boiler, the conventional method for treating the waste water for continuous sewage disposal is to flash-evaporate the waste water into a steam-water mixture by using a continuous discharge flash tank, and part of steam can be reused by a deaerator. However, because the wastewater has high salt content, the steam formed by the treatment method is mixed with a plurality of impurities, the quality of the steam is not high, great threat is also caused to the heat exchange surface, and the application range of the steam is limited; in addition, only about 30 percent of continuous sewage waste water can be utilized by the method, and nearly 70 percent of sewage waste water is discharged outside, thereby causing a great deal of heat energy and water loss.
The biggest defect of continuous waste water discharge of the waste heat boiler steam drum is that the waste water is difficult to utilize due to the fact that impurities are many and salt content is high. The existing recycling technology can not fully recycle thermal resources, for example, a deaerator can only recycle waste water of 30& gt; or the heat exchanger cannot deal with the difficulties of more impurities, high salinity and serious corrosion, and if the heat exchanger is used for heat exchange, the heat exchange surface inevitably contacts high-salinity and high-temperature wastewater, so that irreparable corrosion damage can be caused. The high-temperature steam filter device that has now on the market also blocks up easily at the operation in-process, and life is short, and it is loaded down with trivial details to change the step, not only purification efficiency is low but also operation maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: a high-enthalpy continuous-discharge wastewater recovery and purification system with long service life and high purification efficiency is designed.
In order to achieve the aim, the utility model provides a high enthalpy continuous-discharge wastewater recovery, purification and conditioning system, which comprises a wastewater pipeline, a steam pipeline, a mixing pipeline, a recovery pipeline, a Venturi mixing injection pipe and a purification and conditioning box, wherein the wastewater pipeline is connected with the steam pipeline through the mixing pipeline;
the venturi mixing injection pipe comprises an inner ring inlet, an outer ring inlet and an injection outlet, the waste water pipeline is communicated with the inner ring inlet, and the steam pipeline is communicated with the outer ring inlet;
the purification conditioning box comprises an air inlet end, a coarse screening section, a fine filtering section and an air outlet end, wherein the air inlet end is communicated with the injection outlet through the mixing pipeline, the air outlet end is communicated with the recovery pipeline, and the air inlet end, the coarse screening section, the fine filtering section and the air outlet end are sequentially communicated from left to right to define a filtering air passage;
the coarse screening section is provided with a screening plate for screening impurities and salt, and the fine filtering section is provided with an adsorption piece for filtering salt particles; the fine filtration section is provided with an adsorption filtration pipe for adsorbing residual salt ions and powder.
Preferably, the coarse screening section is inserted with a drawer cabinet, the drawer cabinet is slidably connected with the coarse screening section, a plurality of z-shaped screen plates are arranged on the drawer cabinet, each screen plate is perpendicular to the flow direction of the filtering air passage, and the screen plates are sequentially overlapped end to end in the flow direction of the filtering air passage.
Preferably, the fine filter section is located including locating the frame on the internal perisporium and arranging a plurality of vertical rafters on the frame, each set up at the interval between the vertical rafter and all with the frame joint, each it has a plurality ofly all to arrange the joint on the vertical rafter adsorb the piece, adjacent two it sets up to laminate mutually between the adsorption piece, adsorb the piece and deviate from the one side orientation of vertical rafter the coarse screen section.
Preferably, the adsorption part has a microporous structure, and one surface of the adsorption part facing the coarse screening section is in a convex conical shape.
Preferably, a plurality of adsorption filtering pipes are arranged in the fine filtering section in an array mode, and the axial direction of each adsorption filtering pipe is the same as the flowing direction of the filtering air passage.
Preferably, the inner ring inlet of the venturi mixing and injecting pipe is provided with a Laval nozzle.
Preferably, the coarse screening section and the fine filtering section are connected through flanges.
Preferably, the purification tempering box is provided with a through hole for people to come in and go out, the through hole is provided with a cover plate matched with the through hole, and the cover plate is detachably connected with the purification tempering box.
Preferably, the peripheral wall of the purification conditioning box is provided with one or more flushing holes for spraying water to clean the interior, and the bottom of the purification conditioning box is provided with a sewage outlet.
Preferably, the system comprises two purification tempering boxes, one end of the mixing pipeline is communicated with the injection outlet, the other end of the mixing pipeline is provided with a first branch, a second branch and a third branch, the first branch and the second branch are respectively communicated with the air inlet ends of the two purification tempering boxes, and the third branch is communicated to the recovery pipeline; the waste water pipeline, the steam pipeline, the first branch, the second branch and the third branch are all provided with electromagnetic valves.
Compared with the prior art, the high enthalpy continuous-discharge wastewater recovery, purification and conditioning system has the beneficial effects that:
according to the high enthalpy continuous-discharge wastewater recovery purification conditioning system provided by the embodiment of the utility model, the venturi mixing injection pipe is utilized to ensure that the continuous blowdown wastewater is subjected to pressure reduction, temperature rise and vaporization in the mixing process with the high-temperature steam, so that the salt dissolved in the aqueous solution is analyzed into fine particles, and more than 97.0 wt.% of impurities are removed through the purification conditioning box, so that the clean and high-utilization-value mixed steam is obtained. The purification conditioning box is divided into coarse screening, fine filtering and fine filtering, has the characteristic of complementary effects, and can prolong the effective working time and service life of the purification conditioning box through purification step by step.
Drawings
FIG. 1 is a purification flow chart of a high enthalpy continuous wastewater recovery, purification and conditioning system according to an embodiment of the present invention;
FIG. 2 is an isometric view of a venturi mixing jet pipe in the high enthalpy continuous waste water recovery, purification and conditioning system of the embodiment of the present invention;
FIG. 3 is an isometric view of a Laval nozzle on a Venturi mixing injection pipe in a high enthalpy continuous waste water recovery, purification and conditioning system according to an embodiment of the present invention;
FIG. 4 is an axonometric view of a purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system according to the embodiment of the utility model;
FIG. 5 is a front view of a purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system according to an embodiment of the present invention;
FIG. 6 is a top view of a drawer cabinet of a purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system according to an embodiment of the present invention;
FIG. 7 is an axonometric view of a pumping cabinet of a purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system according to the embodiment of the utility model;
FIG. 8 is an isometric view of a sieve plate of a purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system of the embodiment of the utility model;
FIG. 9 is an isometric view of the installation of an adsorption element in the fine filtration section of a purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system of the embodiment of the utility model;
FIG. 10 is an enlarged view of an adsorption member in a fine filtration section of a purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system according to the embodiment of the present invention;
FIG. 11 is an isometric view of the inner frame of the fine filtration section of the purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system of the embodiment of the present invention;
FIG. 12 is an isometric view of the internal vertical rafters of the fine filtration section of the purification conditioning box in the high enthalpy continuous wastewater recovery purification conditioning system of the embodiment of the present invention;
FIG. 13 is an axonometric view of the fine filtration section of the refining conditioning box in the high enthalpy continuous wastewater recovery refining conditioning system in the embodiment of the utility model.
In the figure, 1, a waste water pipeline; 2. a steam line; 3. a venturi mixing jet; 31. an inner ring inlet; 311. a laval nozzle; 32. an outer ring inlet; 33. a spray outlet; 4. a mixing line; 5. purifying and tempering a box; 51. an air inlet end; 52. a coarse screening section; 521. a sieve plate; 522. drawing a cabinet; 53. a fine filtration section; 531. an adsorbing member; 532. a frame; 533. a vertical rafter; 54. a fine filtration section; 541. an adsorption filtration tube; 55. an exhaust end; 56. a through hole; 57. a cover plate; 58. flushing the hole; 59. a sewage draining outlet; 6. a recovery pipeline; 7. an electromagnetic valve.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. used herein are used to indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "connected," "fixed," and the like are used in a broad sense, and for example, the terms "connected," "connected," and "fixed" may be fixed, detachable, or integrated; the connection can be mechanical connection or welding connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, a high enthalpy continuous waste water recovery purification conditioning system according to a preferred embodiment of the present invention includes a waste water pipeline, a steam pipeline, a mixing pipeline, a recovery pipeline, a venturi mixing injection pipe and a purification conditioning box;
as shown in fig. 2, the venturi mixing injection tube includes an inner ring inlet, an outer ring inlet and an injection outlet, the waste pipe is communicated with the inner ring inlet, and the steam pipe is communicated with the outer ring inlet;
as shown in fig. 3, the purification conditioning box includes an air inlet end, a coarse screening section, a fine filtering section and an air outlet end, the air inlet end is communicated with the injection outlet through the mixing pipeline, the air outlet end is communicated with the recovery pipeline, and the air inlet end, the coarse screening section, the fine filtering section and the air outlet end are sequentially communicated from left to right to define a filtering air passage;
the coarse screening section is provided with a screening plate for screening impurities and salt, and the fine filtering section is provided with an adsorption piece for filtering salt particles; the fine filtration section is provided with an adsorption filtration pipe for adsorbing residual salt ions and powder.
The continuous sewage waste water pipeline of the waste heat boiler flows into the Venturi mixing ejector at a high speed, and is fully mixed with high-temperature steam entering from the steam pipeline in a mixing chamber of the Venturi mixing ejector, and the high-temperature steam can be high-grade heat source steam of main steam or steam extracted by a steam turbine. The waste water is completely vaporized under the heating of high-temperature steam, the enthalpy value is increased, the waste water becomes mixed steam with recovery value, and impurities such as saline alkali, silicic acid, calcium and magnesium ions and the like originally dissolved in the waste water are separated out into fine powder and doped in the mixed steam. The mixed steam is sprayed into a purification tempering tank after the speed of the mixed steam is increased by a Venturi mixing injection pipe, and mineral salt powder is filtered and removed. The purification and conditioning box consists of three parts, namely coarse screening, fine filtering and fine filtering, the purification and conditioning effects are complementary, more than 97.0 wt.% of mineral salt in the mixed steam can be removed, and the clean steam with high utilization value is formed. The size selection of the Venturi mixing ejector is determined after the simulation of computer software, so that the steam is fully mixed and the state parameters meet the requirements.
Further, as shown in fig. 6, 7, and 8, a drawer cabinet is inserted into the coarse screening section, the drawer cabinet is slidably connected to the coarse screening section, a plurality of z-shaped screen plates are arranged on the drawer cabinet, each screen plate is perpendicular to the flow direction of the filtering air passage, and the screen plates are sequentially overlapped end to end in the flow direction of the filtering air passage. During high temperature resistant, impact-resistant sieve erect alternate with take out the cabinet, Z style of calligraphy sieve gomphosis intensive the arranging each other, can effectively sieve off partly salinity granule, provide the route again for steam flow, reduced the impact pressure who takes out cabinet and sieve and receive, help reducing the use loss, extension sieve life. The drawer cabinet can be flexibly pulled out of or pushed into the purification tempering box, and the handle is designed at the outer end of the drawer cabinet, so that the drawer cabinet is convenient to operate. The box body of the drawer cabinet and the purification tempering box is sealed in a concave-convex nesting mode, and the tightness of the tempering box can be well guaranteed while flexible pushing and pulling are achieved. After the drawer cabinet is pulled out, the Z-shaped sieve plate can be easily replaced or daily cleaning and maintenance operations can be carried out. The cabinet is hollow in the lower part, and the mineral salt particles separated by the sieve after the steam passes through the sieve plate can fall to the bottom of the box body without blocking the gap between the sieve plates.
Further, as shown in fig. 9, 11 and 12, the fine filtering section includes a frame disposed on the inner peripheral wall and a plurality of vertical rafters arranged on the frame, each of the vertical rafters is spaced apart from each other and is clamped to the frame, a plurality of adsorbing members are arranged on each of the vertical rafters, two adjacent adsorbing members are attached to each other, and one surface of each adsorbing member facing away from the vertical rafter faces the coarse screening section.
The filtering device of the fine filtering section consists of a frame, vertical rafters and an adsorption piece. The frame is the base of integrated vertical rafter, and both ends design respectively has T shape recess so that the embedding that vertical rafter can be perfect at the frame inboard upper and lower both ends. Wherein the frame subassembly can be formed by two or more frames combination side by side from top to bottom, strengthens the shock resistance intensity of vertical rafter, and this kind of nimble compound mode makes installation, dismantlement, change, maintenance, clearance and the maintenance to the fine filter section can easily realize simultaneously. The vertical rafters are supporting rods with T-shaped cross sections, the reverse T-shaped grooves are formed in the back faces of the adsorption pieces, the adsorption pieces and the vertical rafters can be firmly nested together, impact of high-pressure steam is borne without displacement or deformation, and the adsorption pieces can filter out small salt particles.
Furthermore, the adsorption part has a microporous structure, and one surface of the adsorption part facing the coarse screening section is in a convex conical shape. The adsorption element can be made by burning zeolite and special additive according to a certain formula and following a unique process, has the performance of high temperature resistance and high pressure resistance, and the microporous structure can ensure that steam normally passes through and simultaneously intercepts salt particles on the surface of the adsorption element. When adsorbing the piece surface for the toper, can improve the area of contact of mist and adsorption piece, improve filtration efficiency, the inclined plane design is favorable to the salinity granule to drop to quenching and tempering bottom of the case portion simultaneously, avoids it to take place to block up and reduce the filter effect because of long-term work.
Furthermore, a plurality of adsorption filtering pipes are arranged in the fine filtering section in an array mode, and the axial direction of each adsorption filtering pipe is the same as the flowing direction of the filtering air passage. The filter element in the adsorption filter tube can be made of amino-conforming nano materials, and can realize high-efficiency adsorption of residual salt ions and powder in the mixed steam. The adsorption filter pipes are densely arranged in the fine filter section of the purification tempering box, so that the effect of finally closing the quality of steam is achieved, the filter element in the fine filter section can be effectively prevented from being blocked by the coarse filter section and the fine filter section, the working state is improved, and the working efficiency is improved. The purified and modified mixed steam meets the heat supply requirement and can be directly supplied to a heat supply network or a heat user.
Furthermore, the inner ring inlet of the venturi mixing injection pipe is provided with a Laval nozzle, and the Laval nozzle further accelerates the waste water to better mix the waste water with high-temperature steam.
Furthermore, the coarse screening section and the fine filtering section are connected through flanges, the purification conditioning box can be disassembled into small components through the flange connection, the production, the manufacture and the maintenance and the part replacement in use are facilitated, and the assembly form also simplifies the installation and transportation process.
Furthermore, set up the through-hole that can supply the personnel to come in and go out on the purification quenching and tempering case, be equipped with on the through-hole with the apron of through-hole looks adaptation, the apron with purification quenching and tempering case can be dismantled and be connected, and the through-hole can let the staff get into the box under the condition of not dismantling and carry out the subassembly and change and maintenance, reduces work load and the operation degree of difficulty. In addition, the purification tempering box is a heat storage device which needs to have good heat insulation performance, and the integrity and the heat insulation performance can be protected by avoiding frequent disassembly.
Furthermore, one or more flushing holes for spraying water to clean the interior are formed in the peripheral wall of the purification conditioning box, and a sewage discharge outlet is formed in the bottom of the purification conditioning box. The water can wash whole purification quenching and tempering case through the flushing hole, washes the bottom half with the impurity on sieve, the absorption piece to discharge from the drain, also can carry out daily cleaning operation under the condition of not dismantling, not using the through-hole, daily clearance maintenance is simple, helps improving the work efficiency of purification quenching and tempering case, and increase of service life.
The device further comprises two purification tempering boxes, one end of the mixing pipeline is communicated with the injection outlet, the other end of the mixing pipeline is provided with a first branch, a second branch and a third branch, the first branch and the second branch are respectively communicated with the air inlet ends of the two purification tempering boxes, and the third branch is communicated to the recovery pipeline; the waste water pipeline, the steam pipeline, the first branch, the second branch and the third branch are all provided with electromagnetic valves. The two purification and tempering boxes can be switched to be used when the operation is required to be stopped for maintenance, so that the production is ensured to be continuous, and the third branch does not pass through the purification and tempering boxes and is used for handling emergency accidents.
The system can realize that the salt particle filtering efficiency of the waste water mixed steam is more than or equal to 97.0 wt.%, and the comprehensive utilization rate of the thermal mass resources is more than or equal to 99.0 wt.%.
To sum up, the embodiment of the utility model provides a high-enthalpy continuous-discharge wastewater recycling, purifying, tempering and recycling system, high-temperature steam and continuous blowdown wastewater can be fully mixed and completely vaporized in a Venturi mixing injection pipe, and are injected into a purifying and tempering box to be subjected to targeted adjustment step by step through coarse screening, fine filtering and fine filtering, and finally clean steam with high utilization value is obtained. The system structure sets up rationally, has simplified loaded down with trivial details steps such as installation, operation, maintenance, and when the maximize waste heat recovery, improved system operation efficiency, reduced the running cost.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A high enthalpy continuous-discharge wastewater recovery purification conditioning system is characterized by comprising a wastewater pipeline, a steam pipeline, a mixing pipeline, a recovery pipeline, a Venturi mixing injection pipe and a purification conditioning box;
the venturi mixing injection pipe comprises an inner ring inlet, an outer ring inlet and an injection outlet, the waste water pipeline is communicated with the inner ring inlet, and the steam pipeline is communicated with the outer ring inlet;
the purification conditioning box comprises an air inlet end, a coarse screening section, a fine filtering section and an air outlet end, wherein the air inlet end is communicated with the injection outlet through the mixing pipeline, the air outlet end is communicated with the recovery pipeline, and the air inlet end, the coarse screening section, the fine filtering section and the air outlet end are sequentially communicated from left to right to define a filtering air passage;
the coarse screening section is provided with a screening plate for screening impurities and salt, and the fine filtering section is provided with an adsorption piece for filtering salt particles; the fine filtration section is provided with an adsorption filtration pipe for adsorbing residual salt ions and powder.
2. The high enthalpy continuous wastewater recovery, purification and conditioning system according to claim 1, wherein a drawer cabinet is inserted into the coarse screening section, the drawer cabinet is slidably connected to the coarse screening section, a plurality of z-shaped screen plates are arranged on the drawer cabinet, each screen plate is arranged perpendicular to the flow direction of the filtering air passage, and the screen plates are sequentially overlapped end to end in the flow direction of the filtering air passage.
3. The high enthalpy continuous waste water recovery, purification and conditioning system according to claim 1, wherein the fine filtering section comprises a frame arranged on an inner peripheral wall and a plurality of vertical rafters arranged on the frame, the vertical rafters are arranged at intervals and clamped with the frame, a plurality of the adsorption pieces are arranged on each vertical rafter in a clamping manner, two adjacent adsorption pieces are attached to each other, and one surface of each adsorption piece, which is far away from the vertical rafters, faces the coarse screening section.
4. The high enthalpy value continuous waste water recovery, purification and conditioning system according to claim 3, wherein the adsorbing member has a microporous structure, and a surface of the adsorbing member facing the coarse screening section is in a convex conical shape.
5. The high enthalpy value continuous waste water recovery, purification and conditioning system according to claim 1, wherein a plurality of the adsorption filtration pipes are arranged in the fine filtration section array, and the axial direction of each adsorption filtration pipe is the same as the flow direction of the filtration air passage.
6. The high enthalpy continuous waste water recovery, purification and conditioning system according to claim 1, wherein the inner ring inlet of the venturi mixing jet pipe is provided with a laval nozzle.
7. The high enthalpy continuous waste water recovery, purification and conditioning system according to claim 1, wherein the coarse screen section and the fine filter section are connected by flanges, and the fine filter section are connected by flanges.
8. The high enthalpy continuous waste water recovery purification tempering system of claim 1, wherein a through hole for a person to enter and exit is formed in the purification tempering tank, a cover plate matched with the through hole is arranged on the through hole, and the cover plate is detachably connected with the purification tempering tank.
9. The high enthalpy continuous waste water recovery purification tempering system of claim 1, wherein, the purification tempering box is provided with one or more flushing holes for cleaning the inside by spraying water on the peripheral wall, and the bottom of the purification tempering box is provided with a drain outlet.
10. The high enthalpy value continuous waste water recovery purification and conditioning system according to any one of claims 1 to 9, comprising two purification and conditioning tanks, wherein one end of the mixing line communicates with the injection outlet, and the other end of the mixing line is provided with a first branch, a second branch, and a third branch, the first branch and the second branch communicate with the inlet ends of the two purification and conditioning tanks, respectively, and the third branch communicates with the recovery line; the waste water pipeline, the steam pipeline, the first branch, the second branch and the third branch are all provided with electromagnetic valves.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116621250A (en) * | 2023-07-18 | 2023-08-22 | 成都威克瑞节能技术有限公司 | High-efficiency energy-saving intelligent circulating water system based on full-flow optimization |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116621250A (en) * | 2023-07-18 | 2023-08-22 | 成都威克瑞节能技术有限公司 | High-efficiency energy-saving intelligent circulating water system based on full-flow optimization |
| CN116621250B (en) * | 2023-07-18 | 2023-09-22 | 成都威克瑞节能技术有限公司 | High-efficiency energy-saving intelligent circulating water system based on full-flow optimization |
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