CN218001466U - Novel steam generation device - Google Patents
Novel steam generation device Download PDFInfo
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- CN218001466U CN218001466U CN202221038776.9U CN202221038776U CN218001466U CN 218001466 U CN218001466 U CN 218001466U CN 202221038776 U CN202221038776 U CN 202221038776U CN 218001466 U CN218001466 U CN 218001466U
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Abstract
The utility model relates to a novel steam generation device, including combustor, gas proportional valve, first heat transfer case, steam collection case, second heat transfer case and fan, first heat transfer case sets gradually by going to the back with the second heat transfer case, is equipped with first heat exchanger and second heat exchanger in the first heat transfer incasement and the second heat transfer incasement respectively, and steam collection case includes collection vapour jar, catchment jar and many heat exchanger tube bundles that set up side by side, and the upper end and the lower extreme of many heat exchanger tube bundles are connected with collection vapour jar, catchment jar respectively, second heat exchanger, first heat exchanger and collection vapour jar communicate in proper order. The first heat exchanger and the second heat exchanger of the steam generating device of the utility model quickly heat the cold water to saturated water, the saturated water is heated in the steam header to be instantaneously vaporized, and the steam generating rate is improved; the utility model discloses combine big space steam boiler characteristics, the saturated water of steam header internal condensation descends to the evaporation once more in the steam header, can effectively guarantee the steam quality of output.
Description
Technical Field
The utility model relates to a steam generator's technical field, in particular to novel steam generator.
Background
At present, the existing steam boilers are divided into a direct-flow steam boiler and a through-flow steam boiler, and the two steam boilers respectively have the following defects: (1) The direct-current steam boiler has high steam production speed but cannot effectively and reliably ensure the quality of produced steam; (2) The heating surfaces of the direct-current steam boiler are coil pipes, and the pipe passes of the direct-current steam boiler are long, so that a water inlet dynamic pressure head is required to be large, the requirement on the lift of a water inlet pump is high, and the energy consumption is high; (3) As the water supplement flow and the water supplement inlet temperature of the tubular steam boiler cannot be kept constant, the exhaust gas temperature of a boiler body cannot be kept stable, so that the alternating stress damage of a heating surface tube bundle caused by the thermal fatigue of the heating surface tube bundle due to the temperature difference is caused by the temperature change of a cooling section tube bundle of a heating surface at the tail part of the boiler due to the scouring smoke temperature; (4) The quality of steam produced by a through-flow steam boiler cannot be guaranteed due to factors such as water level fluctuation, instability of exhaust gas temperature, fluctuation difference of temperature of feed water and the like; (5) The water inlet of the tubular steam boiler is softened water, and the heat transfer and the deterioration and scaling are easy to occur due to the high heat load convection heat transfer of a hearth, so that the wall surface of a tube bundle is over-burnt and damaged, and the whole boiler body is damaged. Therefore, the structure of the existing steam boiler needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel steam generator that steam quality is good.
The purpose of the utility model is realized like this:
the utility model provides a novel steam generating device, includes combustor, gas proportional valve, first heat transfer case, steam collection case, second heat transfer case and fan, first heat transfer case, steam collection case and second heat transfer case are by going to back and set gradually, first heat transfer incasement with be equipped with first heat exchanger and second heat exchanger in the second heat transfer incasement respectively, steam collection case includes steam collection tank, water catch tank and many heat exchanger tube bundles that set up side by side, steam collection tank is located the top of water catch tank, many heat exchanger tube bundles's upper end and lower extreme are connected with steam collection tank, water catch tank respectively, heat exchanger tube bundle intercommunication steam collection tank and water catch tank exist the clearance between two adjacent heat exchanger tube bundles, be equipped with the water inlet on the second heat exchanger, be equipped with steam outlet on the steam collection tank, second heat exchanger, first heat exchanger and steam collection tank communicate in proper order, many heat exchanger tube bundles are located between first heat exchanger and the second heat exchanger, the front end of first heat transfer case is located to the combustor, the rear end of second heat exchanger box is equipped with the mouth of discharging fume, fan and gas proportional valve all communicate with the combustor, be equipped with the gas proportional valve on the gas intake the fan, be equipped with the gas proportional valve on the fan. The first heat exchanger and the second heat exchanger of the steam generating device of the utility model quickly heat the cold water to saturated water, and the saturated water is heated in the steam header and instantaneously vaporized, thereby improving the steam generating rate; the utility model discloses combine big space steam boiler characteristics, the saturated water of steam header internal condensation descends to the evaporation once more in the steam header, can effectively guarantee the steam quality of output.
The utility model can be further improved as follows.
The steam header is internally provided with a first steam-water separator, the first steam-water separator is provided with a steam inlet and a water outlet, the steam header is provided with a steam discharge pipe, the steam outlet is arranged on the steam discharge pipe, and the inner end of the steam discharge pipe is communicated with the first steam-water separator.
Be equipped with first steam-water separator, steam discharge pipe and second steam-water separator on the steam collection case, second steam-water separator is located the steam collection incasement, second steam-water separator is located outside the steam collection case, be equipped with steam inlet and outlet on the first steam-water separator, the inner and the first steam-water separator intercommunication of steam discharge pipe, the outer end and the second steam-water separator intercommunication of steam discharge pipe, the top and the bottom of second steam-water separator are equipped with steam discharge port and outlet respectively, outlet and water-collecting tank intercommunication.
The first heat exchanger comprises a first coil heat exchanger, a second coil heat exchanger and a fin type heat exchanger which are sequentially arranged along the length direction of the first heat exchange box, and the fin type heat exchanger, the second coil heat exchanger and the first coil heat exchanger are sequentially communicated end to end.
The fan is a venturi fan, which is a well-known fan and will not be described in detail here.
The bottom of the water collecting tank is provided with a drain outlet, and water scale in the water collecting tank is discharged from the drain outlet, so that the quality of steam is effectively improved.
The utility model discloses still include water level detection device, water level detection device's top and bottom communicate with vapour collection tank, the jar that catchments respectively. The utility model discloses steam generator is provided with extremely low water level protection, extremely low water level interlocking function, and the water level is low when crossing, the utility model discloses a control system control steam generator automatic shutdown moves and sends alarm signal.
And a temperature sensor is arranged on the heat exchange tube bundle. The utility model discloses a heat exchanger tube bank's lateral wall is provided with temperature sensor, and the pipe wall temperature when heat exchanger tube bank is too high, the utility model discloses a control system will control the utility model discloses automatic shutdown moves and sends alarm signal.
And a smoke temperature sensor is arranged at the smoke outlet. The utility model discloses set up the smoke temperature sensor at steam generating device exhaust port, when steam heat source machine exhaust fume temperature exceeded the system and set up the warning temperature value in advance, realize steam generating device automatic shutdown and send alarm signal.
And a water inlet flowmeter is arranged at the water inlet.
The beneficial effects of the utility model are as follows:
the first heat exchanger and the second heat exchanger of the steam generating device quickly heat cold water to saturated water, and the saturated water is heated in the steam header to be instantly vaporized, so that the steam generating rate is improved; the utility model discloses combine big space steam boiler characteristics, the saturated water of steam header incasement condensation descends to the steam header in the evaporation once more, can effectively guarantee the steam quality of output.
(II) the utility model discloses with the mode of the straight-flow coil bank that directly accepts flame radiation's tube bank heat-transfer surface adjustment for can directly accepting high temperature flue gas to erode in the through-flow boiler, effectively solved the direct overburning damage that causes the convection-radiation pipe wall of through-flow boiler high temperature flue gas, reduce product economic cost.
(III) the utility model discloses steam generator can effectively solve the not good problem of steam quality of output through setting up the separation steam mode of inside and outside two catch water that arrange. The utility model discloses steam generator's water capacity is less, and steam production rate is fast.
(IV) the utility model discloses a first heat exchanger and second heat exchanger compare pure direct current steam generator and have that the water resistance is little, and the intake pump does not need great lift, advantage that the energy consumption reduces.
(five) the utility model discloses a heat exchanger tube bank arrange the position and the contrast of single through-flow steam boiler convection heating mode, the utility model discloses a heat exchanger tube bank heat load reduces far away, and heat exchanger tube bank's pipe wall outside flue gas temperature is lower relatively, can not appear the risk that heat exchanger tube bank overfire and damage, has higher economic nature.
(VI) the utility model discloses the water level in the mode control steam header that steam generator's configuration water level detection device and the flowmeter that intakes combined together can match the evaporation capacity and the inflow flow of steam heat source machine, and steam output is controllable in real time.
(VII) the utility model discloses a water flowmeter's aperture can realize into water flow accurate control, has solved traditional through-flow boiler and has damaged the boiler afterbody and receive heat exchanger tube bank phenomenon of face because of the unable accurate control of inflow, temperature leads to the boiler exhaust gas temperature change.
(eight) the utility model discloses the accurate control of the influent water flow that steam generator set up stably guarantees that heat source machine product can export the steam of stabilizing the evaporation capacity.
Drawings
Fig. 1 is a schematic structural diagram of the steam generator of the present invention (omitting the water inlet flow meter).
Fig. 2 is a schematic structural view (omitting the water inlet flow meter) of another angle of the steam generator of the present invention.
Fig. 3 is a side view of the steam generator of the present invention (without the water inlet flow meter).
Fig. 4 is a plan view of the steam generator of the present invention (omitting the water inlet flow meter).
Fig. 5 is a front view of the steam generator of the present invention (omitting the water inlet flow meter).
Fig. 6 is a sectional view of the steam generator of the present invention (with the water inlet flow meter omitted).
Fig. 7 is a sectional view of another angle of the steam generating apparatus of the present invention (a part of the box plates of the first heat exchange box and the second heat exchange box and the water inlet flow meter are omitted).
Fig. 8 is a front view of fig. 7 (with the inflow meter omitted).
Fig. 9 is an exploded view of the steam generator of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The first embodiment, as shown in fig. 1 to 9, a novel steam generating device, including combustor 4, gas proportional valve 27, first heat transfer case 3, steam collection case 2, second heat transfer case 1, water level detection device 7 and fan 5, first heat transfer case 3, steam collection case 2 and second heat transfer case 1 set gradually by going to the back, steam collection case 2 is located between first heat transfer case 3 and the second heat transfer case 1, be equipped with first heat exchanger in the first heat transfer case 3, be equipped with second heat exchanger 11 in the second heat transfer case 1, steam collection case 2 includes steam collection jar 21, water collection jar 23 and many heat transfer tube bundles 22 that parallel, steam collection jar is located the top of water collection jar, heat transfer tube bundles 22 communicates steam collection jar 21 and water collection jar 23, exists the clearance between two adjacent heat transfer tube bundles, be equipped with water inlet 8 on the second heat exchanger 11, first heat exchanger and steam collection jar 21 communicate in proper order, be equipped with steam outlet 9 on the steam collection jar, combustor 4 locates first heat transfer case 3, the preceding heat transfer case is equipped with the air intake and the second heat transfer case 5, be equipped with gas proportional valve and the air intake 27, the fan 5, be equipped with the air intake and the many back heat exchanger 27, the gas exhaust port and the air intake and the heat exchanger 27 are equipped with the heat exchanger 5.
As a more specific technical solution of the present invention.
Be equipped with first steam-water separator 24, steam discharge pipe 26 and second steam-water separator 6 on the steam collection case 2, second steam-water separator 6 is located outside steam collection case 2, be equipped with steam inlet and outlet on the first steam-water separator 24, the inner and the first steam-water separator 24 intercommunication of steam discharge pipe, the outer end and the second steam-water separator 6 intercommunication of steam discharge pipe, the top and the bottom of second steam-water separator 6 are equipped with steam outlet and outlet respectively, outlet and water catch tank 23 intercommunication.
The first heat exchanger comprises a first coil heat exchanger 14, a second coil heat exchanger 13 and a fin type heat exchanger 12 which are sequentially arranged along the length direction of the first heat exchange box 3, and the fin type heat exchanger 12, the second coil heat exchanger 13 and the first coil heat exchanger 14 are sequentially communicated end to end.
The air inlet of the fan 5 is provided with an air purification filter element 29, and the air purification filter element 29 purifies air, so that dust in the air is effectively prevented from entering and affecting heat exchange.
The bottom of the water collecting tank is provided with a drain outlet 25.
The top and the bottom of the water level detection device are respectively communicated with the steam collection tank 21 and the water collection tank 23.
The heat exchange tube bundle 22 is provided with a temperature sensor 30.
A smoke temperature sensor 31 is arranged at the smoke outlet 10.
And a water inlet flow meter 29 is arranged at the water inlet 8.
The utility model discloses a theory of operation is:
the utility model is operated, the burner, the gas proportional valve, the water pump and the fan 5 are started, the gas enters the burner through the gas inlet and the gas proportional valve, the fan also draws air and enters the burner, the burner is ignited and starts to bake the first heat exchanger, the low-temperature pure water enters the second heat exchanger 11 through the inlet port 8, then sequentially flows through the finned heat exchanger 12, the second coiled heat exchanger 13 and the first coiled heat exchanger 14, the burner 4 heats the first coiled heat exchanger 14, the high-temperature flue gas flows backwards through the second coiled heat exchanger 13 and the finned heat exchanger 12, the high-temperature flue gas exchanges heat with the water in the second coiled heat exchanger and the finned heat exchanger, the water is heated into high-temperature water, even boiling evaporation becomes steam, the high-temperature flue gas flows through a plurality of heat exchange tube bundles 22 of the steam collection box 2 along with the high-temperature flue gas, and then the flue gas flows through the second heat exchanger, and exchanges heat with low-temperature water in the second heat exchanger to preheat low-temperature water, the flue gas is finally discharged from the smoke outlet 10, the steam in the second coil heat exchanger flows into the steam collection tank 21 of the steam collection box 2, high-temperature saturated water drops to the bottom of the steam collection tank 21 from the water outlet of the first steam-water separator 24 and then flows into the water collection tank 23 through the heat exchange tube bundle 22, when the high-temperature saturated water is too much, the high-temperature saturated water fills the water collection tank 23 and the heat exchange tube bundles 22, the high-temperature flue gas exchanges heat with saturated high-temperature water in the heat exchange tube bundles 22, the high-temperature saturated water in the heat exchange tube bundles 22 is heated and evaporated by the high-temperature flue gas to become steam, after the steam is separated by the first steam-water separator 24, the steam is conveyed to the second steam-water separator through the steam discharge pipe 26 for secondary steam-water separation, the high-temperature saturated water in the second steam-water separator 6 is conveyed back into the water collection tank 23 of the steam collection box 2, saturated steam of sufficient quality is discharged through a steam outlet 9 at the top of the second steam-water separator 6.
The implementation of the second embodiment is similar to that of the first embodiment, and the only difference is that: the steam collection box is characterized in that a first steam-water separator 24 is arranged in the steam collection box 2, a steam inlet and a water outlet are formed in the first steam-water separator 24, a steam discharge pipe is arranged on the steam collection box 2, a steam outlet 9 is formed in the steam discharge pipe, and the inner end of the steam discharge pipe is communicated with the first steam-water separator 24.
Claims (10)
1. The utility model provides a novel steam generating device, includes combustor, gas proportional valve, first heat transfer case, steam collection case, second heat transfer case and fan, first heat transfer case and second heat transfer case are by setting gradually after going to, first heat transfer incasement with be equipped with first heat exchanger and second heat exchanger in the second heat transfer incasement respectively, characterized by, steam collection case includes collection steam can, water catch tank and many heat transfer tube bundles that set up side by side, the collection steam can is located the top of water catch tank, many heat transfer tube bundles's upper end and lower extreme are connected with collection steam can, water catch tank respectively, heat transfer tube bundle intercommunication collection steam can and water catch tank have the clearance between two adjacent heat transfer tube bundles, be equipped with the water inlet on the second heat exchanger, be equipped with steam outlet on the collection steam can, second heat exchanger, first heat exchanger and collection steam can communicate in proper order, many tube bundles heat transfer are located between first heat exchanger and the second heat exchanger, the front end of first case is located to the combustor, the rear end of second heat transfer case is equipped with the mouth of discharging fume, fan and gas proportional valve all communicate with the gas intake on the fan, the gas proportional valve.
2. The steam generator as recited in claim 1, wherein the plurality of heat exchange tube bundles are located within a second heat exchange box, the front end of the second heat exchange box being connected to the rear end of the first heat exchange box.
3. The novel steam generating device as claimed in claim 1, wherein a first steam-water separator is provided in the steam header, the first steam-water separator is provided with a steam inlet and a water outlet, the steam header is provided with a steam discharge pipe, the steam outlet is provided on the steam discharge pipe, and the inner end of the steam discharge pipe is communicated with the first steam-water separator.
4. The novel steam generating device as claimed in claim 1, wherein the steam header is provided with a first steam-water separator, a steam discharge pipe and a second steam-water separator, the second steam-water separator is located in the steam header, the second steam-water separator is located outside the steam header, the first steam-water separator is provided with a steam inlet and a water outlet, the inner end of the steam discharge pipe is communicated with the first steam-water separator, the outer end of the steam discharge pipe is communicated with the second steam-water separator, the top and the bottom of the second steam-water separator are respectively provided with a steam discharge port and a water outlet, and the water outlet is communicated with the water collecting tank.
5. The novel steam generating device as claimed in claim 1, wherein the first heat exchanger comprises a first coiled heat exchanger, a second coiled heat exchanger and a finned heat exchanger which are sequentially arranged along the length direction of the first heat exchange box, and the finned heat exchanger, the second coiled heat exchanger and the first coiled heat exchanger are sequentially communicated end to end.
6. The steam generator as claimed in claim 1, wherein a drain outlet is provided at the bottom of the water collecting tank.
7. The novel steam generating device as claimed in claim 1, further comprising a water level detecting device, wherein the top and the bottom of the water level detecting device are respectively communicated with the steam collecting tank and the water collecting tank.
8. The steam generator of claim 1, wherein the heat exchanger bundle is provided with a temperature sensor.
9. The novel steam generating device as claimed in claim 1, wherein a smoke temperature sensor is provided at the smoke exhaust outlet.
10. The steam generator as claimed in claim 1, wherein a water inlet flow meter is provided at the water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221038776.9U CN218001466U (en) | 2022-04-29 | 2022-04-29 | Novel steam generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221038776.9U CN218001466U (en) | 2022-04-29 | 2022-04-29 | Novel steam generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218001466U true CN218001466U (en) | 2022-12-09 |
Family
ID=84291496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221038776.9U Active CN218001466U (en) | 2022-04-29 | 2022-04-29 | Novel steam generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218001466U (en) |
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2022
- 2022-04-29 CN CN202221038776.9U patent/CN218001466U/en active Active
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