CN213738854U - Steam boiler water supply device, steam boiler water supply system and steam boiler system - Google Patents
Steam boiler water supply device, steam boiler water supply system and steam boiler system Download PDFInfo
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- CN213738854U CN213738854U CN202022456730.6U CN202022456730U CN213738854U CN 213738854 U CN213738854 U CN 213738854U CN 202022456730 U CN202022456730 U CN 202022456730U CN 213738854 U CN213738854 U CN 213738854U
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Abstract
The utility model relates to the field of industrial boiler application, and discloses a steam boiler water supply device, a steam boiler water supply system and a steam boiler system, wherein the water supply device comprises a filtering component, the filtering component comprises an activated carbon filter, a security filter and a reverse osmosis membrane group which are sequentially arranged along the flow direction of water flow; the reverse osmosis membrane group at least comprises a reverse osmosis membrane; the softening water tank is connected to the downstream of the filtering component; the utility model provides a because conventional industrial steam boiler generally adopts resin exchange softened water system for the boiler water supply, need wash the resin layer with the brine to regenerate during the resin tank operation, lead to producing a large amount of technical problem who causes the salt waste water of harm to the biochemical system of sewage treatment station.
Description
Technical Field
The utility model relates to an industrial boiler application specifically relates to a steam boiler's steam boiler water supply installation, steam boiler water supply system and steam boiler system.
Background
For an industrial steam boiler, no matter the evaporation capacity or the steam parameter, the qualified water quality is used, and the boiler can be safely, economically, reliably and stably operated on the premise of producing qualified steam, and the boiler is damaged or has accidents due to poor water quality.
In order to ensure the quality of steam and water in a boiler and prevent the occurrence of undesirable phenomena such as scaling, corrosion and the like of the boiler, raw water needs to be treated to a certain degree to meet the standard requirements so as to be used as boiler make-up water. Among boiler water treatments, ion exchange water treatment of boiler makeup water is the most basic and important water treatment method.
For industrial boilers, the industrial steam boilers generally adopt a resin exchange softened water system to supply water for the boilers. The water softening system mainly adopts integrated equipment consisting of a resin tank, an automatic controller, a brine tank, a water storage tank and the like. The automatic controller can complete the automatic control processes of soft water, forward washing, standing, back washing, regeneration and the like of the resin tank. Since the hardness of water mainly comprises calcium and magnesium, cation exchange resin (softened water tank) is generally adopted to replace Ca2+ and Mg2+ (main components forming scale) in water, and the effectiveness of the resin in removing Ca2+ and Mg2+ is gradually reduced along with the increase of Ca2+ and Mg2+ in the resin. Because the resin can absorb a certain amount of calcium and magnesium ions, when the resin is saturated, the resin needs saline water to regenerate the resin, namely, the resin layer is washed by the saline water to replace the hardness ions on the surface of the resin, the washed saline water is taken as waste water and discharged out of the resin tank, and the resin exchange tank can recover the exchange capacity. But the saline wastewater can cause harm to biochemical systems of the sewage treatment station, and the normal operation of the sewage station is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming that prior art exists because conventional industrial steam boiler generally adopts resin exchange softened water system to supply water for the boiler, need wash the resin layer with the brine and regenerate during the resin tank operation, lead to producing a large amount of technical problem who causes the salt waste water of harm to sewage treatment station biochemical system.
In order to achieve the above objects, one aspect of the present invention provides a water supply apparatus for a steam boiler.
The filter assembly comprises an activated carbon filter, a cartridge filter and a reverse osmosis membrane group which are sequentially arranged along the flow direction of water flow; the reverse osmosis membrane group at least comprises a reverse osmosis membrane;
a softened water tank connected downstream of the filter assembly;
the system comprises a coal economizer and a deaerator, wherein the coal economizer comprises a circulating port for returning water to the softened water tank and a return port communicated with a connecting pipeline between the softened water tank and the deaerator; the deaerator comprises a steam boiler water outlet port.
The utility model discloses a steam boiler water supply installation, through carrying out the mode that improves to filtering component, utilize the filtering component who arranges activated carbon filter, safety filter ware and reverse osmosis membrane subassembly formation in proper order along rivers flow direction and replace conventional resin exchange filter equipment, the utility model discloses a filtering component only can reach the clean long-term effect of using of oneself through rivers backwash, need not to utilize salt solution to wash, compares with conventional resin exchange softening installation, has reduced the pollution to the environment among the clean process of oneself, under the prerequisite of guaranteeing that steam boiler normally supplies water, has reached environmental protection's effect. And the technical problem that a large amount of salt-containing wastewater which is harmful to a biochemical system of a sewage treatment station is generated due to the fact that a resin exchange water softening system is generally adopted by a conventional industrial steam boiler to supply water to the boiler and a resin layer is required to be washed by saline water during the operation of a resin tank for regeneration is solved.
Preferably, the reverse osmosis membrane group includes first order reverse osmosis membrane and second level reverse osmosis membrane, first order reverse osmosis membrane and second level reverse osmosis membrane set gradually along rivers flow direction.
Preferably, including middle water tank, first order reverse osmosis membrane with second level reverse osmosis membrane sets up in the middle water tank, middle water tank can carry out independent airtight and open to the built-in first order reverse osmosis membrane and the airtight washing of second level reverse osmosis membrane in the middle water tank.
Preferably, a backwashing device for cleaning the first stage reverse osmosis membrane and/or the second stage reverse osmosis membrane through reverse water supply in the intermediate water tank is arranged in the intermediate water tank.
Preferably, a separate water outlet and a feed inlet for adding an auxiliary purifying material are arranged in the intermediate water tank.
Preferably, at least a quartz stone filter layer and/or a PP cotton filter layer is/are arranged in the security filter.
Preferably, the economizer further comprises a user side return water connection port.
Preferably, the system comprises an online measuring instrument which is arranged in the softened water tank and is used for detecting the water quality of the treated water flow.
The utility model provides a second aspect of a steam boiler water supply system;
this steam boiler water supply system, including water tank, centrifugal pump, water gauge and any kind of above-mentioned steam boiler water supply installation, the centrifugal pump with the water gauge sets up on the water route of intaking of water tank, the water tank with steam boiler water supply installation connects.
A third aspect of the present invention provides a steam boiler system;
the steam boiler system comprises the steam boiler water supply system.
Drawings
FIG. 1 is a schematic view of the overall structure of a water supply device for a steam boiler according to the present invention;
fig. 2 is a schematic view of the filter assembly of fig. 1.
Description of the reference numerals
1. A filter assembly; 101. an activated carbon filter; 102. a cartridge filter; 103. a reverse osmosis membrane group; 1031. a first stage reverse osmosis membrane; 1032. a second reverse osmosis membrane; 2. softening the water tank; 3. a coal economizer; 4. a deaerator; 5. a steam boiler; 6. an intermediate water tank; 601. a water outlet; 602. a feeding port; 7. a backwashing device; 8. an on-line measuring instrument.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "inner", "middle", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "provided," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, the utility model provides a water supply device for a steam boiler, which comprises a filtering component 1, a softening water tank 2, an economizer 3 and a deaerator 4; the filtering component 1 comprises an activated carbon filter 101, a cartridge filter 102 and a reverse osmosis membrane group 103 which are sequentially arranged along the flowing direction of water flow; the reverse osmosis membrane group 103 at least comprises a reverse osmosis membrane; the softened water tank 2 is connected with the downstream of the filtering component 1; the economizer 3 comprises a circulating port for returning water to the softened water tank 2 and a return port communicated with a connecting pipeline between the softened water tank 2 and the deaerator 4; the arrangement of the return port and the circulating port enables water flow to enter the softening water tank from the coal economizer and be conveyed to the steam boiler from the deaerator to be conveyed to a user end through the softening water tank, and therefore circulation operation is achieved, and the quality of operation water flow in the water supply device of the steam boiler is guaranteed. The deaerator 4 comprises a steam boiler water outlet port, and the boiler water outlet port is connected with a steam boiler.
The utility model discloses a steam boiler water supply installation, through carrying out the mode that improves to filtering component, utilize the filtering component who arranges activated carbon filter, safety filter ware and reverse osmosis membrane subassembly formation in proper order along rivers flow direction and replace conventional resin exchange filter equipment, the utility model discloses a filtering component only can reach the clean long-term effect of using of oneself through rivers backwash, need not to utilize salt solution to wash, compares with conventional resin exchange filter equipment, has reduced the pollution to the environment among the clean process of oneself, under the prerequisite of guaranteeing that steam boiler normally supplies water, has reached environmental protection's effect. And the technical problem that a large amount of salt-containing wastewater which is harmful to a biochemical system of a sewage treatment station is generated due to the fact that a resin exchange water softening system is generally adopted by a conventional industrial steam boiler to supply water to the boiler and a resin layer is required to be washed by saline water during the operation of a resin tank for regeneration is solved.
In an alternative embodiment of the present invention, the reverse osmosis membrane module 103 includes a first reverse osmosis membrane 1031 and a second reverse osmosis membrane 1032, and the first reverse osmosis membrane 1031 and the second reverse osmosis membrane 1032 are sequentially arranged along the flow direction of the water flow. First order reverse osmosis membrane 1031 and second level reverse osmosis membrane 1032 set up and can ensure to carry out effectual filtration, avoid leading to the emergence that the quality of water after the reverse osmosis filter membrane group is not conform to the condition of filtering the requirement because of the filtration membrane damage or because of the interference of water pressure among the one deck reverse osmosis membrane filters. In other optional embodiments of the present invention, the reverse osmosis membrane module comprises 3 or more layers of reverse osmosis membranes.
The utility model discloses optional embodiment, including middle water tank 6, first order reverse osmosis membrane 1031 and second level reverse osmosis membrane 1032 set up in middle water tank 6, and middle water tank 6 can independently be airtight and open to carry out airtight washing to built-in first order reverse osmosis membrane 1031 and second level reverse osmosis membrane 1032 in middle water tank 6. In an alternative embodiment of the present invention, a backwashing device 7 for cleaning the first reverse osmosis membrane 1031 and/or the second reverse osmosis membrane 1032 by reverse water supply in the intermediate water tank 6 is provided in the intermediate water tank 6. The backwash device 7 may be a water inlet arranged opposite to the direction of flow of the water. In a further alternative embodiment of the present invention, a separate outlet 601 and a feeding inlet 602 for adding an auxiliary purifying material are provided in the intermediate water tank 6.
When first reverse osmosis membrane 1031 and/or second reverse osmosis membrane 1032 need be washd, the middle water tank is closed, make middle water tank 6 form inclosed space, open backwash device 7, the rivers that flow out through the water inlet of backwash device 7 carry out reverse washing to first reverse osmosis membrane 1031 and second reverse osmosis membrane 1032, rivers flow out from backwash device 7, flow through second reverse osmosis membrane 1032 and/or first reverse osmosis membrane 1031, finally flow out by the delivery port 601 of middle water tank 6, thereby reach the purpose of clean first reverse osmosis membrane 1031 and second reverse osmosis membrane 1032. In order to increase the cleaning effect of the water flow in the intermediate water tank 6 or the cleaning effect of the reversing device 7 on the reverse osmosis membrane module in the closed intermediate water tank 6, auxiliary agents can be added to the intermediate water tank 6 via the inlet 602. The auxiliary agent can be a scale inhibitor, a pH value regulator and the like.
The utility model discloses optional embodiment is equipped with the cotton filter layer of quartz stone and/or PP in the cartridge filter 102 at least to ensure that the quality of water through cartridge filter 102 accords with the requirement that gets into the reverse osmosis membrane group and handle, avoid causing the influence because of the too big operation to the reverse osmosis membrane group of suspended particles in aquatic, cause first order reverse osmosis membrane 1031 life's reduction even breakage even.
In the optional embodiment of the present invention, the economizer 3 further comprises a user side return water connection port, and the arrangement of this structure can better ensure the water quality of the operation in the steam boiler, thereby improving the efficiency of the operation of the water supply device of the steam boiler.
In order to further ensure that quality of water accords with predetermined standard or operation standard among the steam boiler water supply installation the utility model discloses in the optional embodiment, including setting up the on-line measuring instrument 8 that is used for carrying out water quality testing to the rivers after handling in softening water tank 2, this on-line measuring instrument 8 can feed back the testing result of quality of water to technical staff to the realization carries out real-time detection to the quality of water after the filter assembly filters, simultaneously according to the testing result, conveniently carries out timely maintenance and maintenance to filter assembly.
In the optional embodiment of the present invention, the preset treatment standard of the filter assembly is that after the tap water is treated by the first stage reverse osmosis membrane, the conductivity reaches < 15 μ s/cm, and the first stage water inlet requirement is satisfied. The obtained purified water is conveyed to a second-stage reverse osmosis membrane through a pump for deep purification treatment, and the conductivity of the purified water is less than 5 mus/cm after passing through the second-stage reverse osmosis membrane, so that the water supply index of a steam boiler is met.
The utility model provides a water supply system of a steam boiler;
the water supply system of the steam boiler comprises a water tank, a centrifugal pump, a water meter and any one of the water supply devices of the steam boiler, wherein the centrifugal pump and the water meter are arranged on a water inlet path of the water tank, and the water tank is connected with the water supply device of the steam boiler. In an optional embodiment of the utility model, the water outlet of the water tank is connected with the filtering component of the water supply device of the steam boiler; in another alternative embodiment of the present invention, the filter assembly is disposed inside the water tank, and the water entering the water tank from the inlet water path of the water tank needs to flow out of the water tank through the filter assembly and to the softened water tank.
The utility model also provides a steam boiler system;
the steam boiler system comprises the steam boiler water supply system.
Compared with the existing ion exchange resin water softening technology, the utility model adopts the active carbon filtration, security filtration and secondary reverse osmosis membrane technology, and has obvious environmental protection and economic benefits, such as
Salt is not needed to be used as a replacement medium, industrial wastewater is not generated, and secondary pollution is not generated;
the secondary reverse osmosis water yield is more than 75 percent, the desalination rate is as high as 98 percent, and the effluent quality is high;
the reverse osmosis equipment has small volume, simple operation and easy maintenance;
the energy consumption is low, the automation level is high, the continuous operation can be realized, and the water supply requirement of the boiler is met;
and the boiler blow-off amount is reduced, and the use amount of natural gas and the maintenance cost are saved.
The above description is only an alternative embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present application.
Claims (10)
1. A water supply device for a steam boiler is characterized by comprising
The filter assembly (1) comprises an activated carbon filter (101), a cartridge filter (102) and a reverse osmosis membrane group (103) which are sequentially arranged along the flow direction of water flow; the reverse osmosis membrane group (103) at least comprises a reverse osmosis membrane;
a softening water tank (2), the softening water tank (2) being connected downstream of the filter assembly (1);
the device comprises a coal economizer (3) and a deaerator (4), wherein the coal economizer (3) comprises a circulating port for returning water to the softened water tank (2) and a backflow port communicated with a connecting pipeline between the softened water tank (2) and the deaerator (4); the deaerator (4) comprises a steam boiler water outlet port.
2. A steam boiler water supply arrangement according to claim 1, characterized in that the reverse osmosis membrane group (103) comprises a first stage reverse osmosis membrane (1031) and a second stage reverse osmosis membrane (1032), which are arranged in sequence along the water flow direction.
3. A steam boiler water supply according to claim 2, characterized in that it comprises an intermediate water tank (6), the first stage reverse osmosis membrane (1031) and the second stage reverse osmosis membrane (1032) being arranged in the intermediate water tank (6), the intermediate water tank (6) being capable of being independently closed and opened for closed cleaning of the first stage reverse osmosis membrane (1031) and the second stage reverse osmosis membrane (1032) built into the intermediate water tank (6).
4. A steam boiler water supply according to claim 3, characterized in that the intermediate water tank (6) is provided with a back washing device (7) for cleaning the first stage reverse osmosis membrane (1031) and/or the second stage reverse osmosis membrane (1032) by reverse feed water in the intermediate water tank (6).
5. A steam boiler water supply according to claim 3, characterized in that a separate outlet (601) and an inlet (602) for adding auxiliary cleaning material are provided in the intermediate tank (6).
6. A steam boiler water supply according to claim 1, characterized in that at least quartz stone filter layer and/or PP wool filter layer is provided in the cartridge filter (102).
7. A steam boiler water supply according to claim 1, characterized in that the economizer (3) further comprises a user side return water connection port.
8. A steam boiler water supply according to any of claims 1-7, characterized by comprising an on-line measuring instrument (8) arranged in the softened water tank (2) for water quality detection of the treated water flow.
9. A steam boiler water supply system, characterized in that, includes water tank, centrifugal pump, water gauge and the steam boiler water supply installation of any one of claims 1 to 8, the centrifugal pump with the water gauge sets up on the water inlet water route of water tank, the water tank with steam boiler water supply installation is connected.
10. A steam boiler system, comprising the steam boiler water supply system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022456730.6U CN213738854U (en) | 2020-10-29 | 2020-10-29 | Steam boiler water supply device, steam boiler water supply system and steam boiler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022456730.6U CN213738854U (en) | 2020-10-29 | 2020-10-29 | Steam boiler water supply device, steam boiler water supply system and steam boiler system |
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| Publication Number | Publication Date |
|---|---|
| CN213738854U true CN213738854U (en) | 2021-07-20 |
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| CN202022456730.6U Active CN213738854U (en) | 2020-10-29 | 2020-10-29 | Steam boiler water supply device, steam boiler water supply system and steam boiler system |
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| CN (1) | CN213738854U (en) |
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