CN203323092U

CN203323092U - Double-U-shaped spiral heat exchanging steam device

Info

Publication number: CN203323092U
Application number: CN2013202987150U
Authority: CN
Inventors: 夏林
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-28
Filing date: 2013-05-28
Publication date: 2013-12-04
Anticipated expiration: 2023-05-28

Abstract

The utility model discloses a double-U-shaped spiral heat exchanging steam device which comprises a collecting box, an auxiliary water tank, a combustion chamber, a heat exchanging pipe, a fan and a steam leading-out pipe. The combustion chamber is arranged at the bottom of the collecting box, the top portion of the combustion chamber is communicated with a lower port of the heat exchanging pipe arranged inside the collecting box, the heat exchanging pipe is an upright spiral pipe which is composed of two U-shaped pipes in a butt-joint mode, an upper port of the heat exchanging pipe is communicated with a flue heat pumping layer of the fan arranged at the top portion of the collecting box, a movable joint of the auxiliary water tank is connected with the collecting box through a water pipe, the steam leading-out pipe is communicated with the top portion of the collecting box, provided with a decompression valve and divided into two branch pipelines at the position of a switching valve arranged on the pipe, a check valve is arranged on one branch pipeline, a pipe orifice of the other branch pipeline penetrates into a concave steaming table, the other branch pipeline is flush with the table face, and an overflow hole is formed in one side of the table face of the steaming table. Due to the fact that the special heat exchanging pipe is adopted, the double-U-shaped spiral heat exchanging steam device is smaller in size, lower in cost, better in heat exchanging, capable of saving energy and more environmentally friendly, and the functions of generating steam and hot water and realizing steaming can be completed simply through one-touch operation.

Description

A kind of dual U-shaped spiral heat exchange steam unit

Technical field

The utility model relates to technical field of heat exchange, especially relates to a kind of dual U-shaped spiral heat exchange steam unit.

Background technology

The heat exchange steam generator is mainly used in industrial application on the market at present, central hot water, heating engineering and civilian, the heat normally produced by burning is heated the water body in inner bag, what carry out that the parts of heat exchange select usually with water body is horizontal S shape heat-exchange tube, adopt the heat-exchange tube of this type to have the following disadvantages: 1, exchanging tube takes up room greatly, cause the steam raising plant overall volume larger, be not easy to transport and arrange; 2, heat-exchange tube adopts while being welded to connect assembling, and pad is more, and manufacturing cost is higher; 3, the heat exchange area in unit space is limited, and is difficult for guaranteeing being uniformly distributed in space; 4, the easy fouling of heat exchanger tube outer wall, cause heat exchange efficiency low, therefore urgently designs a kind of novel steam raising plant.

The utility model content

In order to overcome above-mentioned existing technological deficiency, the purpose of this utility model is to provide a kind of can effectively reduce spatial volume, is easy to the low-cost U-shaped spiral heat exchange steam raising plant be connected and installed and heat exchange efficiency is higher.

In order to achieve the above object, the utility model is achieved through the following technical solutions: the technical program is a kind of dual U-shaped spiral heat exchange steam unit, comprise header, secondary water tank, combustion chamber, heat exchanger tube, blower fan and steam fairlead, wherein header is cylindric, the circular fovea superior in bottom, the combustion chamber placement of being controlled by combustion system is in the circular fovea superior in header bottom, its top is communicated with the heat exchanger tube lower port in being placed in header, described heat exchanger tube is the vertical spiral coil, by two U-shaped pipe docking, formed, its upper port is taken out thermosphere with the flue of the blower fan that is arranged in the header top and is communicated with, the loose joint of secondary water tank is connected with header by water-supply-pipe, the top of described header is provided with secondary water tank connector, the ring edge of its bottom is provided with Butterworth Hatch and taper discharge outlet, described steam fairlead is communicated with the header top, and relief valve is housed, and is two bye-passes in the switch valve punishment be arranged on pipeline, one bye-pass is provided with check-valves, another bye-pass mouth of pipe penetrates the steaming platform that is spill, and flushes with table top, and described steaming platform table top one side has spout hole.Secondary water tank is supplied water by running water pipe, by regulating ball float pressure, automatically to header, supply water to designated water level, the hot-fluid produced by burning when combustion chamber enters in U-shaped vertical spiral coil from bottom to top and forms and flows, carry out heat exchange by the water body in tube wall and header, water body be heated produce steam from the steam fairlead draw for, in U-shaped vertical spiral coil, waste heat tail gas is discharged through the blower fan at header top, only need a key operation can complete the generation of steam and hot water and realize cooking function, owing to having adopted specific heat exchanger tube, make this device volume less, cost is lower, heat exchange is better, energy-conserving and environment-protective more, realize generation and the use of steam and hot water simultaneously, economical convenient.

As preferably, described heat exchanger tube two-port is taken out thermosphere with combustion chamber and flue respectively by the mode of welding and is connected, guarantees to meet the requirement of strength of device operation, and technique simply is easy to realization.

As optimization, the number of described Butterworth Hatch is 3, the number of taper discharge outlet is 1, be distributed on header base circle edge, the uniformity coefficient that raising is cleaned header, do further to optimize, described Butterworth Hatch is inside and outside tooth screw plug Butterworth Hatch, contributes to utilize High-Pressure Water to being rinsed in header.

Compared with prior art, the beneficial effects of the utility model are:

1, saved the space that heat-exchange tube occupies, less on the whole device overall volume;

2, reduced the pad assembled, the heat-exchange tube connected mode is simple and easy effectively;

3, effectively increase heat exchange area, made the thermal efficiency of device higher, met the industrial policy of energy-saving consumption-reducing;

4, the specific vertical arrangement mode of heat-exchange tube, reduced the speed of tube wall incrustation, and rate of heat exchange is higher.

The accompanying drawing explanation

The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:

Fig. 1 is the utility model front view;

Fig. 2 is the utility model side view;

Fig. 3 is the utility model top view;

Fig. 4 is the utility model upward view.

Mark in figure: header 1, secondary water tank 2, combustion chamber 3, heat exchanger tube 4, blower fan 5, steam fairlead 6, combustion system 7, flue are taken out thermosphere 8, loose joint 9, water-supply-pipe 10, secondary water tank connector 11, Butterworth Hatch 12, taper discharge outlet 13, water level switch 14, water inlet 15, relief valve 16, switch valve 17, are steamed platform 18, spout hole 19, check-valves 20, T-shaped steam jet 21, blast switch 22.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described in detail.

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

As shown in Fig. 1 and Fig. 3, the technical program is a kind of dual U-shaped spiral heat exchange steam unit, comprise header 1, secondary water tank 2, combustion chamber 3, heat exchanger tube 4, blower fan 5 and steam fairlead 6, wherein header 1 is cylindric, the circular fovea superior in bottom, the combustion chamber 3 of being controlled by combustion system 7 is arranged in the circular fovea superior in header 1 bottom, improved the globality of combustion system and heating system, its top is communicated with heat exchanger tube 4 lower port in being placed in header 1, described heat exchanger tube 4 is the vertical spiral coil, by two U-shaped pipe docking, formed, its upper port is taken out thermosphere 8 with the flue of the blower fan 5 that is arranged in header 1 top and is communicated with.The loose joint 9 of secondary water tank 2 is connected with header 1 by water-supply-pipe 10, secondary water tank 2 is supplied water by running water pipe, by regulating ball float pressure, automatically to header 1, supply water, and the top of header 1 is provided with secondary water tank connector 11, be used for the hot water that secondary water tank 2 circulates with header 1 steam and takes header 1 interior generation, be provided with Butterworth Hatch 12 and taper discharge outlet 13 on the ring edge of the bottom of header 1, at header 1 top, with steam fairlead 6, be communicated with, header 1 top and steam fairlead 6 form steam drainage loop, at steam fairlead 6 one ends, relief valve 16 is housed, when the interior vapor pressure of header 1 surpasses safe air pressure, play automatic-discharging steam, the effect of assurance device air pressure safety.In secondary water tank 2, by regulating ball float pressure, automatically to header 1, supply water, it carries out water level switch 14 linkage fan 5 switches of ball float adjusting, and, by the igniter of the blast switch 22 connecting electronic controllers unlatching combustion systems 7 with blower fan 5, only need a key operation can complete the generation of steam and hot water.In the switch valve 17 place's pipelines that are arranged on steam fairlead 6, be two bye-passes, the one bye-pass is provided with check-valves 20, the port of export is provided with T shape steam jet 21, can utilize the steam from the shower nozzle ejection to be heated the article in container, and another bye-pass penetrates the steaming platform 18 that is spill, and the mouth of pipe flushes with table top, can carry out boiling steaming the steamed tool of placing arbitrary dimension on platform 18, have spout hole 19 in steaming platform 18 table top one sides, formed water body can be discharged through spout hole 19.As shown in Figure 2, the concrete workflow that steam forms is: the water inlet 15 of opening running water enters in secondary water tank 2, and be injected into the designated water level in header 1 through water-supply-pipe 10, blower fan 5 operations of water level switch 14 interlocks, and open the igniter of combustion system 7 by electronic controller, the combustion tail gas that combustion chamber 3 internal combustion produce from bottom to top, and under blower fan 5 suctions, enter U-shaped vertical spiral coil in spontaneous combustion chamber 3, combustion tail gas with higher temperature flows along the helix tube trend, and with the outer water body generation heat exchange of tube wall, produce steam when absorbing after heat surpasses the water body boiling point, and assemble on header 1 top, and along steam fairlead 6 efflux for, and carry out the waste heat tail gas after heat exchange with water body, under the suction of blower fan 5, taking out thermosphere 8 from flue discharges through blower fan 5.Owing to having adopted specific heat exchanger tube, make this device volume less, cost is lower, and heat exchange is better, more energy-conserving and environment-protective.

Embodiment 2, the connected mode that is exchange heat pipe 4 on the basis of embodiment 1 is carried out decision design, described heat exchanger tube 4 two-port are taken out thermosphere 8 with combustion chamber 3 and flue respectively by the mode of welding and are connected, need the position of spot welding to reduce with respect to S shape heat exchanger tube, under the strength condition that meets the device operation, technique simply is easy to realize, has reduced work difficulty.

Embodiment 3, on the basis of embodiment 1, the Butterworth Hatch arranged on header 1 bottom face and the position of discharge outlet are optimized, as shown in Figure 4, the number of described Butterworth Hatch 12 is 3, and the number of taper discharge outlet 13 is 1, is distributed on header 1 base circle edge, reduce header 1 and clean difficulty, do further to optimize, described Butterworth Hatch 12 is inside and outside tooth screw plug Butterworth Hatch, contributes to utilize High-Pressure Water to being rinsed in header 1.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a dual U-shaped spiral heat exchange steam unit, comprise header (1), secondary water tank (2), combustion chamber (3), heat exchanger tube (4), blower fan (5) and steam fairlead (6), it is characterized in that:

Described header (1) is cylindric, the circular fovea superior in bottom, the combustion chamber (3) of being controlled by combustion system (7) is arranged in the circular fovea superior in header (1) bottom, its top is communicated with heat exchanger tube (4) lower port in being placed in header (1), described heat exchanger tube (4) is the vertical spiral coil, two U-shaped pipe docking, consist of, its upper port is taken out thermosphere (8) with the flue of the blower fan (5) that is arranged in header (1) top and is communicated with;

The loose joint (9) of described secondary water tank (2) is connected with header (1) by water-supply-pipe (10), the top of described header (1) is provided with secondary water tank connector (11), the ring edge of its bottom is provided with Butterworth Hatch (12) and taper discharge outlet (13), described steam fairlead (6) header (1) top is communicated with, relief valve (16) is housed, and be two bye-passes in switch valve (17) punishment be arranged on pipeline, one bye-pass is provided with check-valves (20), another bye-pass mouth of pipe penetrates the steaming platform (18) that is spill, and flush with table top, described steaming platform (18) table top one side has spout hole (19).

2. a kind of dual U-shaped spiral heat exchange steam unit according to claim 1 is characterized in that: described heat exchanger tube (4) two-port is taken out thermosphere (8) with combustion chamber (3) and flue respectively by the mode of welding and is connected.

3. a kind of dual U-shaped spiral heat exchange steam unit according to claim 1, it is characterized in that: the number of described Butterworth Hatch (12) is 3, the number of taper discharge outlet (13) is 1, is distributed on header (1) base circle edge.

4. according to the described a kind of dual U-shaped spiral heat exchange steam unit of claim 1 or 3, it is characterized in that: described Butterworth Hatch (12) is inside and outside tooth screw plug Butterworth Hatch.