CN203190782U

CN203190782U - Steam distribution chamber

Info

Publication number: CN203190782U
Application number: CN 201320166452
Authority: CN
Inventors: 李晓光; 张翠勋; 史雷; 刘君彦; 潘振; 吕肖; 姜荣泉; 杜滨
Original assignee: Tianli Energy-Saving Engineering Co Ltdof Shandong Academy Of Sciences
Current assignee: Tianli Energy-Saving Engineering Co Ltdof Shandong Academy Of Sciences
Priority date: 2013-04-07
Filing date: 2013-04-07
Publication date: 2013-09-11
Anticipated expiration: 2023-04-07

Abstract

The utility model is suitable for a steam rotary drying machine room, and particularly suitable for an annular tube split type steam rotary drying machine. According to the technical scheme, a steam distribution chamber comprises a main steam chamber, a steam branch pipe and a water return pipe, wherein the steam branch pipe and the water return pipe are connected with the main steam chamber, the front end of the main steam chamber is provided with a steam inlet, the rear end of the main steam chamber is sealed, and the steam branch pipe is connected with a heating pipe. The steam distribution chamber is characterized by further comprising a condensation water chamber arranged on the outer side of the main steam chamber. The condensation water chamber is connected with the main steam chamber through the steam branch pipe and the water return pipe. Due to the fact that the condensation water chamber is arranged on the steam distribution chamber, condensation water in the heating pipe can smoothly flow out and heat exchange effects are enhanced. The steam distribution chamber and the heating pipe are detachably connected so that maintenance can be convenient. The steam distribution chamber further has the advantages of being simple in structure, small in size, capable of reducing the length of the steam rotary drying machine, low in manufacturing cost and the like.

Description

A kind of steam distribution chamber

Technical field

The utility model relates to a kind of steam distribution chamber, a kind of steam distribution chamber with the condensation hydroecium particularly, and the utility model is applicable to the steam rotary dryer chamber, is particularly useful for the split type steam rotary dryer of endless tube.

Background technology

Steam rotary dryer be a kind of be the indirect heat exchange swinging drying equipment of thermal source with steam, it is applicable to the drying of the wet powder material in the industries such as metallurgy, chemical industry, environmental protection, building materials, as powdered copper concentrate, coal dust, PTA, desulfurated plaster etc.

The steam rotary dryer of present domestic use has versions such as straight tube monoblock type, endless tube be split type.Straight tube is split type, and namely the heating tube in the drying machine adopts the straight tube that runs through whole cylindrical shell, the sealing of straight tube one end, and other end opening is welded on the steam chest, and is non-dismountable; Endless tube is split type, ring-like heating tube in the drying machine supports by the pipe holder that is welded on the barrel, every group of heating tube all can be extracted out separately, straight tube one end sealing in the ring-like heating tube, the other end and steam chest releasable connection, steam is distributed to each heating tube by steam chest, and condensed water then leans on gravity reflux to steam chest, is discharged by swivel joint; As Shandong Tianli Drying Co., Ltd., Patent document number be CN101532771B, the utility model name is called: the utility model patent of the split type steam rotary dryer of a kind of endless tube.

Along with the extensive use of the split type steam rotary dryer of endless tube, original cheese steam chest and heating tube welding are non-dismountable, maintenance difficult, reasons such as condensed water can't be emptied completely spill cruelly gradually that volume is big, weight is big, complex structure, condensed water is hydrophobic not smooth, makes shortcomings such as difficulty.

The utility model content

The purpose of this utility model is exactly in order to solve complex structure, maintenance inconvenience, the big cost height of volume, the hydrophobic not smooth problem that traditional steam chest exists, the utility model provides a kind of steam distribution chamber that is applicable to the split type steam rotary dryer of novel endless tube, steam distribution chamber of the present utility model be have simple in structure, easy to maintenance, volume is little, the steam distribution chamber of the band condensation hydroecium of low cost of manufacture, hydrophobic advantage such as reliable.

For achieving the above object, steam distribution chamber of the present utility model adopts following technical scheme: it comprises main steam chest, the steam branch pipe and the return pipe that link to each other with main steam chest respectively; Main steam chest front end is provided with steam inlet, back-end closure; Steam branch pipe is connected with heating tube; It is characterized in that: also comprise the condensation hydroecium that is arranged on main steam chest outside, the condensation hydroecium is connected with main steam chest with return pipe by steam branch pipe respectively.

The utility model is further improved, and described condensation hydroecium is made up of 2 ~ 5 condensed water chamber units, and steam branch pipe is divided into 2 ~ 5 groups accordingly; Every group of steam branch pipe is made up of 2 steam branch pipes that are parallel to each other, and each condensed water chamber unit is connected with return pipe and one group of steam branch pipe.

The utility model is further improved, and described condensation hydroecium is circular arc, and distributes along the circumferencial direction of the main steam chest concentric with it.

The utility model is further improved, and described main steam chest cross section is circular, and the steam branch pipe distribution arrangement is vertical mutually with main steam chest axis direction.

The utility model is further improved, and described main steam chest is made of concentric urceolus and inner core, and outer tube rear end and interior tube rear end are by end socket I sealing, and outer cylinder front end is connected with end socket II, and the inner core front end is uncovered; Steam inlet is positioned on the end socket II.

The utility model is further improved, and described main steam chest rear end is higher than its front end, and its declining slope is 1.5:100 ~ 5:100.

The utility model is further improved, and described return pipe is made up of interconnective straight tube and metal hose; Wherein, the straight tube end extends in the urceolus, and metal hose is connected with an end of condensation hydroecium.

The utility model is further improved, and an end of described steam branch pipe is communicated with by the other end of metal hose with the condensation hydroecium, is connected with steam inlet pipe between the other end and the main steam chest, and steam inlet pipe one end extends in the inner core.

The utility model is further improved, is provided with gusset between described urceolus and the inner core.

The utility model is further improved, and described steam branch pipe is connected with in groups the heating tube with the identical parallel distribution of gradient.

The utility model is the steam distribution chamber that has the condensation hydroecium, and the main steam chest of this steam distribution chamber is connected with swivel joint, thereby makes steam distribution chamber integral body do gyration along the drum dryer body axis.Steam as thermal source in turning course enters main steam chest from air intake, via steam inlet pipe, steam branch pipe, flows into the heating tube that is connected with steam branch pipe; The condensed water that produces after steam in the heating tube and the outside material heat exchange is collected to each steam branch pipe under the gravity effect, when the rotation of condensation hydroecium was lower than the position of steam inlet pipe to the bottom, the condensed water in the steam branch pipe flowed into the condensed water chamber; When condensation hydroecium rotation when being higher than the position of return pipe, condensed water is recycled to main steam chest by return pipe, inner core has stoped the condensed water that flows down to pour in down a chimney to steam inlet pipe.

Steam distribution chamber of the present utility model is equipped with 2 ~ 5 groups of steam branch pipes at main steam chest hoop, and the quantity of steam branch pipe is relevant with the group number of ring-like heating tube, can adjust the quantity of steam branch pipe according to the group number of heating tube.Every group of steam branch pipe has two, and two arms can also can need require according to the reinforcement for openings of bitubular master steam chest urceolus to decide on two different anchor rings on same anchor ring.

Steam distribution chamber of the present utility model, main steam chest is double-barrel structure, its rear end is higher than front end, declining slope with 1.5:100 ~ 5:100 is installed, doing in the gyration along the drum dryer body axis, condensed water is recycled to the urceolus of main steam chest by return pipe, and the existence of inner core can stop the condensed water that flows down to pour in down a chimney to steam inlet pipe effectively.

In the steam distribution chamber of the present utility model, the urceolus of main steam chest is connected by gusset with inner core, and gusset plays a part fixing and supports inner core.The quantity of gusset can be adjusted according to weight and the size of inner core; The rear end of inner core contacts with the rear end end socket of urceolus, and front end is communicated with urceolus, so that the partial condensation water that steam branch pipe is directly refluxed flows to urceolus, discharges through pumping equipment then.

Steam distribution chamber of the present utility model has the following advantages and beneficial effect: 1. steam distribution chamber of the present utility model is simple in structure, and volume is little, in the time of self loss of weight, can also reduce the length of steam rotary dryer, thereby reduce manufacturing cost; 2. adopt releasable connection between steam distribution chamber of the present utility model and the heating tube, easy to maintenance; 3. steam distribution chamber of the present utility model arranges the condensation hydroecium, and the condensed water in the heating tube can be discharged swimmingly, strengthens the heat exchange effect.

Description of drawings

Fig. 1 is the structural representation that steam distribution chamber of the present utility model has three groups of steam branch pipes and condensation hydroecium.

Fig. 2 is the structural representation that steam distribution chamber of the present utility model has five groups of steam branch pipes and condensation hydroecium.

Fig. 3 is the cross section cross-sectional schematic of Fig. 1.

Fig. 4 is the cross section cross-sectional schematic of Fig. 2.

Fig. 5 is the cross section cross-sectional schematic of main steam chest illustrated in figures 1 and 2.

Wherein, 1. main steam chest, 2. steam branch pipe, 3. condensation hydroecium, 4. steam inlet pipe, 5. return pipe, 6. heating tube, 7. urceolus, 8. inner core, 9. gusset, 10. straight tube, 11. metal hoses, 12. swivel joint, 13. pumping equipments, 14. end socket I, 15. steam inlets, 16. metal hoses, 17. end socket II.

The specific embodiment

Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.

From Fig. 1-5 as can be seen: steam distribution chamber of the present utility model comprises main steam chest 1, condensation hydroecium 3, the steam branch pipe 2 and the return pipe 5 that link to each other with main steam chest 1 respectively; Condensation hydroecium 3 is connected with main steam chest 1 with return pipe 5 by steam branch pipe 2 respectively; Main steam chest 1 front end is provided with steam inlet 15, back-end closure; Steam branch pipe 2 is connected with in groups the heating tube 6 with the identical parallel distribution of gradient.

Wherein, this main steam chest 1 is inside and outside two layered cylinder wall construction, its cross section is circular, inside and outside barrel is defined as concentric urceolus 7 and inner core 8 with main steam chest 1, urceolus 7 and inner core 8 rear ends are by end socket I14 sealing, urceolus 7 front ends are connected with end socket II17, offer steam inlet 15 on the end socket II17, and inner core 8 front ends open wide and are communicated with urceolus 7; Also be provided with the gusset 9 that play fixed supporting role between urceolus 7 and the inner core 8.

Steam branch pipe 2 upwards evenly distributes in the footpath of main steam chest 1, and arranges with the axis normal of main steam chest 1; One end of steam branch pipe 2 is communicated with main steam chest 1 by steam inlet pipe 4, and steam inlet pipe 4 extends in the inner core 8, and the other end of steam branch pipe 2 is communicated with an end of condensation hydroecium 3 by metal hose 16.Return pipe 5 is made up of interconnective straight tube 10 and metal hose 16, and straight tube 10 stretches in the urceolus 7 and is connected with main steam chest 1, and metal hose 16 is connected with the other end of condensation hydroecium 3.

Condensation hydroecium 3 can by several mutually independently the condensed water chamber unit form, general preferred 2 ~ 5 condensed water chamber units are formed, condensation hydroecium 3, condensed water chamber unit be shaped as circular arc, concentric with main steam chest 1, and distribute along main steam chest 1 circumferencial direction.Steam branch pipe 2 also is divided into 2 ~ 5 groups, and every group of steam branch pipe is made up of 2 steam branch pipes that are parallel to each other 2; Every group of steam branch pipe 2 corresponding condensation hydroeciums 3.Fig. 1 and condensation hydroecium shown in Figure 3 are 3 condensed water chamber units, and steam branch pipe correspondingly is divided into 3 groups; Fig. 2 and condensation hydroecium shown in Figure 4 are 5 condensed water chamber units, and steam branch pipe correspondingly is divided into 5 groups.

The concrete working method of steam distribution chamber of the present utility model is: at first, the rear end of main steam chest 1 is higher than front end and tilts to install with the gradient of 1.5:100 ~ 5:100; Be connected on the corresponding steam branch pipe 2 by same slope then, and with each heating tube 6; At last, each group steam branch pipe 2, return pipe 5 are connected with corresponding condensation hydroecium 3.Whole steam distribution chamber is done gyration with heating tube 6 along the drum dryer body axis; Enter main steam chest 1 as the steam of thermal source from the air intake of swivel joint 12, via steam inlet pipe 4, steam branch pipe 2, flow into the heating tube 6 that is connected with steam branch pipe; Behind the steam and outside material heat exchange in the heating tube 6, the condensed water that produces is collected under the gravity effect in each steam branch pipe 2, when condensation hydroecium 3 rotation when being lower than the position that is attached thereto logical steam inlet pipe 4, the condensed waters in the steam branch pipe 2 are just taken advantage of a situation and are flowed into condensation hydroecium 3; When condensation hydroecium 3 rotation when being higher than the position of the return pipe 5 that is communicated with it, condensed water is recycled to the urceolus 7 of main steam chest 1 by return pipe 5, because the existence of inner core 8 stops the condensed water that flows down to pour in down a chimney to steam inlet pipe 4 effectively.Return pipe 5 stretches out certain length in urceolus 7, condensed water keeps the certain liquid height at urceolus 7, unnecessary water by pumping equipment 13 continuous to be discharged to steam distribution outdoor.

Claims

1. a steam distribution chamber comprises main steam chest (1), the steam branch pipe (2) that links to each other with main steam chest (1) respectively and return pipe (5); Main steam chest (1) front end is provided with steam inlet (15), back-end closure; Steam branch pipe (2) is connected with heating tube (6); It is characterized in that: also comprise being arranged on the outside condensation hydroecium (3) of main steam chest (1), condensation hydroecium (3) is connected with main steam chest (1) with return pipe (5) by steam branch pipe (2) respectively.

2. steam distribution chamber according to claim 1, it is characterized in that: described condensation hydroecium (3) is made up of 2 ~ 5 condensed water chamber units, and steam branch pipe (2) is divided into 2 ~ 5 groups accordingly; Every group of steam branch pipe is made up of 2 steam branch pipes that are parallel to each other (2), and each condensed water chamber unit is connected with return pipe (5) and one group of steam branch pipe.

3. steam distribution chamber according to claim 1 and 2 is characterized in that: described condensation hydroecium (3) is circular arc, and distributes along the circumferencial direction of the main steam chest (1) concentric with it.

4. steam distribution chamber according to claim 3 is characterized in that: described main steam chest (1) cross section is for circular, and steam branch pipe (2) distribution arrangement is vertical mutually with main steam chest (1) axis direction.

5. steam distribution chamber according to claim 4, it is characterized in that: described main steam chest (1) is made of concentric urceolus (7) and inner core (8), urceolus (7) rear end and inner core (8) rear end are by end socket I(14) sealing, urceolus (7) front end is connected with end socket II(17), inner core (8) front end is uncovered; Steam inlet (15) is positioned at end socket II(17) on.

6. steam distribution chamber according to claim 5, it is characterized in that: described main steam chest (1) rear end is higher than its front end, and its declining slope is 1.5:100 ~ 5:100.

7. steam distribution chamber according to claim 5, it is characterized in that: described return pipe (5) is made up of interconnective straight tube (10) and metal hose (16); Wherein, straight tube (10) end extends in the urceolus (7), and metal hose (16) is connected with an end of condensation hydroecium (3).

8. steam distribution chamber according to claim 7, it is characterized in that: an end of described steam branch pipe (2) is communicated with the other end of condensation hydroecium (3) by metal hose (16), be connected with steam inlet pipe (4) between the other end and the main steam chest (1), steam inlet pipe (4) one ends extend in the inner core (8).

9. steam distribution chamber according to claim 5 is characterized in that: be provided with gusset (9) between described urceolus (7) and the inner core (8).

10. steam distribution chamber according to claim 5 is characterized in that: described steam branch pipe (2) is connected with in groups the heating tube (6) with the identical parallel distribution of gradient.