CN2092058U

CN2092058U - Spiral water heater

Info

Publication number: CN2092058U
Application number: CN 91211627
Authority: CN
Inventors: 张永诚; 张保恩
Original assignee: SHOUGUANG COUNTY ENERGY-ECONOMIZING EQUIPMENT FACTORY SHANDONG PROV
Current assignee: SHOUGUANG COUNTY ENERGY-ECONOMIZING EQUIPMENT FACTORY SHANDONG PROV
Priority date: 1991-05-09
Filing date: 1991-05-09
Publication date: 1992-01-01

Abstract

The utility model belongs to the technical field of a heat exchanging device, the path of which is in a helical shape. The utility model comprises a casing, a top cover and a heat exchanger arranged in the top cover. The utility model is characterized in that the heat exchanger is a plate type helical body which comprises a steam path and a cold water path with the same arrangement. Compared with the tube row type water heater, the contact area of the steam path and the cold water path is increased, the heat efficiency is increased by two to four times, the time of water heating is shortened by 2/3 and the service life is prolonged.

Description

Spiral water heater

It is spiral technical field of heat exchange device that the utility model belongs to passage.

General boiler great majority all are shell and tubes at present, the shell and tube boiler is to arrange breather line in the shell of cylinder or cuboid in a certain order equably, and when steam passed through pipeline, the cold water in the shell was heated, temperature raises gradually, to arriving boiling.The shortcoming of shell and tube boiler is that heat exchange area is little, and the thermal efficiency is low, and therefore the time from cold water to the boiling water is long.

The purpose of this utility model is the design boiler that a kind of heat exchange area is big, the thermal efficiency is high.

The utility model comprises the shell of drum shape, the top cover that is connected with the sealing of shell upper edge, be provided with heat exchanger in the bottom of the inner chamber that shell and top cover surrounded, the dirty flange of the row of being equipped with on the bottom surface of shell, drain valve, blowoff valve, the boiling water mouth is housed on the side of shell, the vapour discharge pipe that boils that communicates with inner chamber is housed on top cover, it is characterized in that heat exchanger is to include steam channel and cold water channel slab type spiral body alternately, the head end of steam channel is communicated with the steam inlet pipe that is contained in the shell bottom surface, terminal with pass the steam bubble evacuated tube that inner chamber and top cover protrude upward and be communicated with, the head end of cold water channel be contained in the basifacial water inlet pipe of shell side and be communicated with, end is communicated with inner chamber.

Because heat exchanger of the present utility model has adopted the slab type spiral body, compare with shell and tube, increased the contact area of steam channel and cold water channel, improved the thermal efficiency, shortened the time that water is opened, flow in spiral helicine steam channel because of steam again, not anxious turning round and the dead angle, can reduce the impact of steam heat exchanging device effectively, prolong service life, therefore, the utility model is compared with the shell and tube boiler of same volume, heat exchange area increases 10 times, and water ETAD expected time of arrival and departure shortening 2/3, the thermal efficiency improve 2-4 doubly, per hour save 0.08 ton of steam.

Accompanying drawing shows embodiment of the present utility model, wherein

Fig. 1 is the front view of embodiment;

Fig. 2 is the vertical view of embodiment.

In the present embodiment, the side of the shell of drum shape (1) is selected the A of 4-5mm for use ₃Steel plate, bottom surface are selected the A of 10mm for use ₃Steel plate is made, and top cover (2) is selected 10mmA for use ₃Steel plate is connected with the upper edge sealing of shell (1) by flange bolt (19) by top cover flange (18), the bottom of the inner chamber (3) that is surrounded at shell (1) and top cover (2), heat exchanger support (20) is housed, is placed with heat exchanger on it, heat exchanger is the A by two 4mm of interval 20mm ₃Roll of steel plate is made the conveyor screw of high 520mm, spirochetal center is provided with dividing plate (23), the two ends up and down of dividing plate (23) are fixed on the innermost layer of steel plate by steam bubble head plate (24) (25), outer, spirochetal upper end is fixed by the fixed block (22) and the side of shell (1), every adjacent two-layer in the conveyor screw, one deck is steam channel (10), another layer is cold water channel (11), top and bottom at steam channel (10) seal with steam channel end socket (21), in steam channel (10) and cold water channel (11), be equipped with and be the evenly distributed steel plate of ray distance block (14) at interval, the head end of steam channel (10) is communicated with the air inlet pipe (12) that is contained in shell (1) bottom surface, terminal be fixed on steam bubble head plate (24) on and pass the steam bubble evacuated tube (13) that inner chamber (3) and top cover (2) protrude upward and be communicated with, the head end of cold water pipes (11) is communicated with the inlet channel (7) that is contained in shell (1) bottom, side, end is communicated with inner chamber (3), the dirty flange of the row of being equipped with (4) on the bottom surface of shell (1), drain valve (5), blowoff valve (6), boiling water mouth (8) is housed on the side of shell (1), the vapour discharge pipe (9) that boils that communicates with inner chamber (3) is housed on top cover (2).For ease of maintenance and easy to use, also on top cover (2), be provided with suspension ring (15), on the side of shell (1), be provided with water-thermometer (16) and water level meter (17).

Claims

1, a kind of spiral boiler, the shell (1) that comprises drum shape, the top cover (2) that is connected with the sealing of shell (1) upper edge, the bottom of the inner chamber (3) that is surrounded at shell (1) and top cover (2) is provided with heat exchanger, the dirty flange of the row of being equipped with (4) on the bottom surface of shell (1), drain valve (5), blowoff valve (6), boiling water mouth (8) is housed on the side of shell (1), the vapour discharge pipe (9) that boils that communicates with inner chamber (3) is housed on top cover (2), it is characterized in that heat exchanger is to include steam channel (10) and cold water channel (11) slab type spiral body alternately, the head end of steam channel (10) is communicated with the steam inlet pipe (12) that is contained in shell (1) bottom surface, terminal with pass the steam bubble evacuated tube (13) that inner chamber (3) and top cover (2) protrude upward and be communicated with, the head end of cold water channel (11) is communicated with the water inlet pipe (7) that is contained in shell (1) bottom, side, end is communicated with inner chamber (3).

2,, it is characterized in that in described steam channel (10) and cold water channel (11), being equipped with and be the evenly distributed steel plate of ray distance block (14) at interval according to the said spiral boiler of claim 1.

3,, it is characterized in that on described top cover (2), being provided with suspension ring (15) according to the said spiral boiler of claim 1.

4,, it is characterized in that on described shell (1) side, being provided with water-thermometer (16) and water level meter (17) according to the said spiral boiler of claim 1.