CN210179589U - Steam boiler steam recycling system - Google Patents
Steam boiler steam recycling system Download PDFInfo
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- CN210179589U CN210179589U CN201920983683.5U CN201920983683U CN210179589U CN 210179589 U CN210179589 U CN 210179589U CN 201920983683 U CN201920983683 U CN 201920983683U CN 210179589 U CN210179589 U CN 210179589U
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Abstract
The utility model provides a steam boiler steam recovery utilizes system belongs to the steam recovery field, including boiler work unit and with the heat recovery unit of boiler work unit output intercommunication, a serial communication port, the heat recovery unit includes: the steam-water mixing box is filled with softened water and is used for collecting steam released by the output end of the boiler working unit to enable the steam to exchange energy with the softened water; and the softened water tank is used for storing softened hot water which is subjected to heat exchange with steam in the steam-water mixing tank and conveying the softened hot water to the boiler working unit. The utility model discloses with boiler work unit and soda mixing box intercommunication, the steam of boiler work unit release is directly guided into in the soda mixing box and is carried out the energy exchange with the contact of demineralized water, and heat exchange efficiency is high, and the demineralized water that produces behind the steam heat exchange in the soda mixing box is carried to the storage of demineralized water tank, then carries to boiler work unit in, reduces the energy consumption again.
Description
Technical Field
The utility model belongs to the steam recovery field, concretely relates to steam boiler steam recycle system.
Background
The steam boiler refers to an industrial boiler which heats water to certain parameters and produces high-temperature steam, hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. At present, a large amount of steam heat is not recycled in the using process of a steam boiler, so that resource waste is caused.
In order to solve the above problems, the prior art (CN106524126B) discloses a steam boiler heat recovery energy-saving utilization system, which comprises a steam boiler and a heat recovery energy-saving unit, wherein the heat recovery energy-saving unit comprises a sewage outlet container, a heat exchange water tank and a flash evaporator. This prior art adopts heat recovery energy-saving unit to press the discharged heat of blowdown to retrieve to the boiler area to save a large amount of heat energy, but prior art's heat recovery energy-saving unit adopts tubular heat exchanger to carry out the heat transfer and retrieves, has that the resistance is big, recovery efficiency is low and to the big defect of equipment influence.
SUMMERY OF THE UTILITY MODEL
Based on the above background problem, the utility model aims at providing a steam boiler steam recycle system mixes with soft water in the direct leading-in soda mixing water tank of steam, has solved prior art and has adopted the defect that tubular heat transfer mode is inefficiency, the resistance is big.
In order to achieve the above purpose, the utility model provides a technical scheme is:
the utility model provides a steam boiler steam recycle system, including boiler work unit and with the heat recovery unit of boiler work unit output intercommunication, its characterized in that, the heat recovery unit includes: the steam-water mixing box is filled with softened water and is used for collecting steam released by the output end of the boiler working unit to enable the steam to exchange energy with the softened water; and the softened water tank is used for storing softened hot water which is subjected to heat exchange with steam in the steam-water mixing tank and conveying the softened hot water to the boiler working unit.
In one embodiment, the boiler working unit comprises a steam boiler and an energy storage tank communicated with the steam boiler and used for storing steam generated by the steam boiler, the output end of the energy storage tank is communicated with production equipment for steam supply production, and the output end of the production equipment is communicated with the steam-water mixing tank through a pipeline provided with a steam release electromagnetic valve.
The steam boiler is also provided with a pressure-bearing energy saver, and the output end of the pressure-bearing energy saver is communicated with a chimney.
In one embodiment, an atomization spraying mechanism for performing secondary absorption on steam released by the production equipment is further arranged in the steam-water mixing box.
Preferably, the atomizing spray mechanism comprises an atomizing pipe horizontally arranged at the top of the steam-water mixing box, the atomizing pipe circulates and atomizes softened water in the steam-water mixing box through a circulating pipeline so as to perform secondary absorption on steam, and a delivery pump is arranged on the circulating pipeline.
The steam-water mixing box is also communicated with the softened water tank through a pipeline provided with a water delivery electromagnetic valve so as to deliver softened hot water generated by steam heat exchange in the steam-water mixing box to the softened water tank for storage; the softening water tank is communicated with the steam boiler through a pipeline provided with a boiler water replenishing pump.
Preferably, a first liquid level monitoring mechanism is further arranged in the softened water tank, so that when the softened water tank is at a preset low water level, the water delivery solenoid valve and the delivery pump are automatically opened to deliver softened hot water into the softened water tank.
And a second liquid level monitoring mechanism is further arranged on the steam-water mixing box so that automatic water replenishing is realized when the steam-water mixing box is at a preset low water level.
Preferably, the second liquid level monitoring mechanism includes a water level gauge, a water level sensor, and a water level undulator.
In one embodiment, the heat recovery unit further comprises a water treatment mechanism for treating tap water to obtain softened water, wherein an input end of the water treatment mechanism is provided with a water inlet valve, and an output end of the water treatment mechanism is respectively communicated with the steam-water mixing tank and the softened water tank.
Compared with the prior art, the utility model discloses following effect has:
1. the utility model discloses with boiler work unit and soda mixing box intercommunication, the steam of boiler work unit release is directly guided into in the soda mixing box and is carried out the energy exchange with the contact of demineralized water, compares in tubular heat transfer structure, and heat exchange efficiency is high, and the resistance is little and with low costs.
2. The utility model discloses the softened hot water that produces after the steam heat exchange in the steam-water mixing box is carried to the softened in-water tank storage to carry to the steam boiler in through boiler water replenishing pump, steam boiler directly supplements hot water, can reduce the energy consumption.
3. The utility model discloses a still be equipped with the atomizing in the steam-water mixing box and spray the mechanism, can carry out the secondary absorption with the absorbent steam of demineralized water in the steam-water mixing box to further improve heat exchange efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of a steam recycling system of a steam boiler according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the steam-water mixing box in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to solve the low scheduling problem of heat exchange efficiency that tubular heat transfer structure exists among the prior art, the utility model provides a steam boiler steam recovery utilizes system, including boiler work unit and with the heat recovery unit of boiler work unit output intercommunication, the heat recovery unit includes: the steam-water mixing box 4 is filled with softened water and is used for collecting steam released by the output end of the boiler working unit to enable the steam to exchange energy with the softened water; and the softened water tank 5 is used for storing softened hot water which is subjected to heat exchange with steam in the steam-water mixing tank 4 and conveying the softened hot water to the boiler working unit. The steam released by the boiler working unit is guided into the steam-water mixing tank to directly contact with softened water for energy exchange, so that the heat exchange efficiency is high, the resistance is small and the cost is low; softened hot water generated by the steam heat exchange can be transferred to the steam boiler 1 described later, and energy consumption is reduced.
Specifically, as shown in fig. 1, the boiler working unit includes a steam boiler 1 and an energy storage tank 2 communicated with the steam boiler 1 for storing steam generated by the steam boiler 1, and an output end of the energy storage tank 2 is communicated with a production device 3 for steam supply production. When the steam boiler 1 works and the generated steam pressure reaches the set pressure, a steam valve is opened to supply steam to the energy storage tank 2, and when the energy storage tank 2 reaches the set pressure of the steam boiler 1, the energy storage tank 2 starts to supply steam to the production equipment 3 for production. The output end of the production equipment 3 is communicated with the steam-water mixing box 4 through a pipeline provided with a steam release electromagnetic valve 401, and in the production process of the production equipment 3, the steam release electromagnetic valve 401 is opened to release steam after a product is formed and the steam enters the steam-water mixing box 4 to exchange energy with softened water. It should be noted that the production device 3 may be any device capable of discharging steam, such as: benzene board beater, foaming machine, reaction kettle, aerated block production line, power plant steam recovery, etc.
In this embodiment, a burner 101 is disposed at a front end (i.e., a left end) of the steam boiler 1 for heating water in the steam boiler 1 to steam, a pressure-bearing economizer 102 is disposed at a rear end (i.e., a right end) of the steam boiler 1 for improving thermal efficiency of the steam boiler 1, and an output end of the pressure-bearing economizer 102 is communicated with a chimney 103. It should be noted that the combustion engine 101 and the pressure-bearing economizer 102 both belong to existing products, and the specific structure and the working principle thereof are not described in detail in this embodiment. Steam generated in the steam boiler 1 is delivered into the energy storage tank 2 through a pipeline, and the energy storage tank 2 is communicated with the production equipment 3 through a pipeline provided with a stop valve 201 so as to supply steam to the production equipment 3. When the product is molded, the steam release solenoid valve 401 is opened to release steam into the steam-water mixing box 4.
In this embodiment, as shown in fig. 2, the top end of the steam-water mixing box 4 is communicated with an automatic pH value detection dosing mechanism 402, the top of the steam-water mixing box 4 is further provided with an exhaust funnel 403 and a manhole 404, the inside of the steam-water mixing box 4 is further provided with a filter 405, and the bottom of the steam-water mixing box 4 is provided with a sewage outlet 406; and a second liquid level monitoring mechanism is further arranged on the steam-water mixing box 4, and the second liquid level monitoring mechanism comprises a second water level meter 407, a second liquid level sensor 408 and a water level undulator 409.
In order to improve the steam heat exchange efficiency, an atomization spraying mechanism for secondarily recycling the steam released by the production equipment 3 is further arranged in the steam-water mixing box 4. In this embodiment, the atomizing spray mechanism is in including the level setting the atomizing pipe 410 at 4 tops of soda mixing box, atomizing pipe 410 passes through circulating line and 4 intercommunications of soda mixing box, is about to the demineralized water circulation in soda mixing box 4 is to atomizing blowout of atomizing pipe 410 department to carry out the secondary absorption to steam. Specifically, the one end that gets into atomizing pipe 410 on the circulating line is equipped with the solenoid valve, and wholly is U type structure, the one end of circulating line and the tip intercommunication of atomizing pipe 410, the other end and 4 bottoms intercommunications of soda mixing box, the last delivery pump 411 that is equipped with of circulating line.
In this embodiment, as shown in fig. 1, the steam-water mixing tank 4 is further communicated with the softened water tank 5 through a pipeline provided with a water delivery solenoid valve 412, so that softened hot water generated by steam heat exchange in the steam-water mixing tank 4 can be delivered to the softened water tank 5 for storage, the softened water tank 5 is further communicated with the steam boiler 1 through a pipeline provided with a boiler water replenishing pump 104, so that the softened hot water is replenished to the pressure-bearing energy saver 102 through the boiler water replenishing pump 104, is secondarily heated by exhaust gas of the steam boiler 1, and is then delivered to the body of the steam boiler 1 through a pipeline, which is equivalent to directly adding hot water at about 70 ℃ into the steam boiler 1, thereby reducing energy consumption.
In order to realize the automatic transportation of softened hot water, the steam recycling system of this embodiment still includes the controller, be equipped with first liquid level monitoring mechanism in the softened water tank 5, first liquid level monitoring mechanism includes first fluviograph 501 and first level sensor 502, water delivery solenoid valve 412 and delivery pump 411 all are connected with the controller electricity, and when softened water tank 5 was in predetermined low water level, first level sensor 502 transmitted the signal to the controller, and controller control water delivery solenoid valve 412 and delivery pump 411 are automatic to be opened to carry softened hot water to softened water tank 5 in. In order to make the liquid level in the steam-water mixing tank 4 at a preset low level automatically replenish water, the second liquid level sensor 408 is also electrically connected to the controller.
In this embodiment, heat recovery unit still includes water treatment mechanism, and the running water obtains the demineralized water after water treatment mechanism handles, the input of water treatment mechanism is equipped with the water intaking valve, and is concrete, the water intaking valve is equipped with two, including intaking solenoid valve 601 and hand valve, intaking solenoid valve 601 with the controller electricity is connected, and when second liquid level sensor 408 detected the liquid level in soda mixing box 4 and was in the time of predetermined low liquid level, second liquid level sensor 408 transmits the signal for the controller, and controller control intaking solenoid valve 601 is automatic to be opened and is supplied water. The manual valve can be opened manually to supply the softened water tank 5 and the steam-water mixing tank 4 with softened water before the system is used. The present embodiment of the automation control part is not limited to the technical solution given by the present embodiment, and the protection point of the present invention is the whole system structure, not in the control.
The utility model discloses a theory of operation is: before the steam boiler 1 is not started, a manual valve at the input end of the water treatment mechanism is manually opened, the softened water tank 5 is opened to enter an electromagnetic valve on a pipeline, softened water is filled in the softened water tank 5, a boiler water replenishing pump 104 is opened to convey the softened water in the softened water tank 5 into the steam boiler 1, the water in the steam boiler 1 is added to a high water level, then the steam boiler 1 is started, and the manual valve is closed; after the steam boiler 1 is started, when the steam pressure reaches the set pressure, a steam valve is opened to supply steam to the energy storage tank 2, and when the air pressure in the energy storage tank 2 reaches the set pressure of the steam boiler 1, the energy storage tank 2 starts to supply steam to the production equipment 3 for production; when the product of the production equipment 3 is molded, the steam release solenoid valve 401 is automatically opened to release steam to the steam-water mixing box 4 for heat exchange, at this time, the water delivery solenoid valve 412 is closed, the delivery pump 411 is opened, softened water in the steam-water mixing box 4 is delivered into the atomizing pipe 410 and atomized and sprayed out to carry out secondary absorption on the steam, and the rest unabsorbed steam is discharged from the exhaust funnel 403.
The steam is subjected to heat exchange in the steam-water mixing box 4 to form softened hot water, when the first liquid level sensor 502 in the softened water tank 5 detects that the liquid level of the softened water tank 5 is at a low liquid level, the first liquid level sensor 502 transmits a signal to the controller, the controller controls the water delivery solenoid valve 412 and the delivery pump 411 to be automatically opened, and the solenoid valve at one end of the circulating pipeline entering the atomizing pipe 410 is closed, so that the softened hot water is delivered into the softened water tank 5; softened hot water is supplemented to the pressure-bearing energy saver 102 through the boiler water supplementing pump 104, is secondarily heated by tail gas of the steam boiler 1, and is conveyed into the body of the steam boiler 1 through a pipeline. When the second liquid level sensor 408 in the steam-water mixing box 4 detects that the interior of the steam-water mixing box 4 is in a low liquid level state, and transmits a detection signal to the controller, the controller controls the water inlet electromagnetic valve 601 at the water treatment input end to be opened to supply water to the steam-water mixing box 4, and when the second liquid level sensor 408 in the steam-water mixing box 4 detects that the water level rises to a preset high water level, the signal is transmitted to the controller, and the controller controls the water inlet electromagnetic valve 601 to be automatically closed.
It should be noted that the models of the first water level gauge 501 and the second water level gauge 407 used in this embodiment are both B42X-25, the models of the first liquid level sensor 502 and the second liquid level sensor 408 are both UBG/2, the model of the water level undulator is SBQ-25, the model of the water treatment mechanism is 63504B, the controller is 51 single chip microcomputer or PLC, the above-mentioned accessories are all existing products, the specific structure and the working principle thereof are common general knowledge, no detailed description is made in this embodiment, and the above-mentioned products are not limited to the specific models given in this embodiment.
It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. The utility model provides a steam boiler steam recycle system, including boiler work unit and with the heat recovery unit of boiler work unit output intercommunication, its characterized in that, the heat recovery unit includes:
the steam-water mixing box is filled with softened water and is used for collecting steam released by the output end of the boiler working unit to enable the steam to exchange energy with the softened water;
and the softened water tank is used for storing softened hot water which is subjected to heat exchange with steam in the steam-water mixing tank and conveying the softened hot water to the boiler working unit.
2. A steam boiler steam recycling system according to claim 1, characterized in that the boiler working unit comprises a steam boiler and an energy storage tank communicated with the steam boiler for storing steam generated by the steam boiler, an output end of the energy storage tank is communicated with a production facility for steam supply production, and an output end of the production facility is communicated with the steam-water mixing tank through a pipe provided with a steam release solenoid valve.
3. A steam boiler steam recycling system according to claim 2, characterized in that the steam boiler is further provided with a pressure-bearing economizer, the output end of which is communicated with a chimney.
4. A steam boiler steam recycling system according to claim 2, characterized in that an atomizing spray mechanism for secondary absorption of the steam released from the production equipment is further provided in the steam-water mixing box.
5. A steam boiler steam recycling system according to claim 4, characterized in that the atomizing spray mechanism comprises an atomizing pipe horizontally arranged at the top of the steam-water mixing box, the atomizing pipe circulates and atomizes the softened water in the steam-water mixing box through a circulating pipeline to spray out so as to carry out secondary absorption on the steam, and a delivery pump is arranged on the circulating pipeline.
6. A steam boiler steam recycling system according to claim 5, characterized in that the steam-water mixing box is further communicated with the softened water tank through a pipeline provided with a water delivery solenoid valve to deliver softened hot water generated by steam heat exchange in the steam-water mixing box to the softened water tank for storage; the softening water tank is communicated with the steam boiler through a pipeline provided with a boiler water replenishing pump.
7. A steam boiler steam recycling system according to claim 6, characterized in that a first liquid level monitoring mechanism is further provided in the softened water tank, so that when the softened water tank is at a preset low level, the water delivery solenoid valve and the delivery pump are automatically opened to deliver softened hot water into the softened water tank.
8. A steam boiler steam recycling system according to claim 6, characterized in that a second level monitoring mechanism is further provided on the steam-water mixing tank to automatically replenish water when the steam-water mixing tank is at a preset low level.
9. A steam boiler steam recovery system according to claim 8, wherein the second liquid level monitoring mechanism comprises a water level gauge, a water level sensor and a water level undulator.
10. A steam boiler steam recycling system according to claim 1, characterized in that the heat recovery unit further comprises a water treatment mechanism for treating tap water to obtain softened water, an input end of the water treatment mechanism is provided with a water inlet solenoid valve, and an output end of the water treatment mechanism is respectively communicated with the steam-water mixing box and the softened water tank.
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| CN201920983683.5U CN210179589U (en) | 2019-06-27 | 2019-06-27 | Steam boiler steam recycling system |
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| CN201920983683.5U CN210179589U (en) | 2019-06-27 | 2019-06-27 | Steam boiler steam recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260289A (en) * | 2019-06-27 | 2019-09-20 | 闵含金 | A kind of steam boiler vapor recycling system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260289A (en) * | 2019-06-27 | 2019-09-20 | 闵含金 | A kind of steam boiler vapor recycling system and method |
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