CN203893699U - Heat exchange tube group of anti-freezing type closed cooling equipment - Google Patents
Heat exchange tube group of anti-freezing type closed cooling equipment Download PDFInfo
- Publication number
- CN203893699U CN203893699U CN201420314092.6U CN201420314092U CN203893699U CN 203893699 U CN203893699 U CN 203893699U CN 201420314092 U CN201420314092 U CN 201420314092U CN 203893699 U CN203893699 U CN 203893699U
- Authority
- CN
- China
- Prior art keywords
- freeze type
- bobbin carriage
- heat exchange
- heat exchanger
- freeze
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007710 freezing Methods 0.000 title claims abstract description 69
- 238000001816 cooling Methods 0.000 title claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000002528 anti-freeze Effects 0.000 claims description 220
- 108010053481 Antifreeze Proteins Proteins 0.000 claims description 210
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 230000008014 freezing Effects 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000010962 carbon steel Substances 0.000 claims description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 230000003746 surface roughness Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 241001562042 Physa Species 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a heat exchange tube group of anti-freezing type closed cooling equipment. The heat exchange tube group comprises an anti-freezing type tube box, an outlet, an inlet and a plurality of anti-freezing type heat exchange tubes, wherein one end of each of every two adjacent anti-freezing type heat exchange tubes is connected through an elbow; the wall thickness and the tension resistance of the elbow are both greater than the wall thickness and tension resistance of the anti-freezing type heat exchange tubes; one end of each anti-freezing type heat exchange tube far away from the elbow is communicated with the anti-freezing type tube box; the wall thickness of the anti-freezing tube box is greater than the wall thickness of the anti-freezing type heat exchange tubes; the anti-freezing type tube box is provided with a pressure release device which is used for releasing a liquid which exceeds the pressure as the liquid is iced and expanded inside the anti-freezing type tube box; an inlet is formed in the lower part of the anti-freezing type tube box; an outlet is formed in the upper part of the anti-freezing type tube box. By adopting the heat exchange tube group, the problem that a cooling tower can be frozen in a cold area is solved, by adopting the anti-freezing type tube box and the anti-freezing type heat exchange tubes and combining a safety pressure release valve or a safety pressure release tube, tube groups of a closed cooling tower or closed cooling equipment are prevented from being frozen.
Description
Technical field
The utility model relates to enclosed cooling device, particularly a kind of set of heat exchange tubes of anti-freezing type enclosed cooling device.
Background technology
Existing closed cooling tower pipe group comprises conventional serpentine coil form and conventional bobbin carriage straight tube form (seeing Figure 1A and Figure 1B), specifically comprises: outlet bobbin carriage 1, outlet 2, import bobbin carriage 3, import 4, pipe group bracing frame 5, coil pipe 6, coiled tube supports 7, end bobbin carriage 8 and turnover bobbin carriage 9.Enter in import bobbin carriage 3 from the import 4 of pipe group for the conventional serpentine coil form pipe group medium that is cooled, then liquid is through the tortuous outlet bobbin carriages 1 that flow to of coil pipe 6, then through exporting 2 outflows.Coil pipe 6 is common finned tube or light pipe.And for the set of heat exchange tubes of conventional bobbin carriage straight tube form, the medium that is cooled enters in in-out end bobbin carriage 9 from import 4, in coil pipe 6 upstream end bobbin carriages 8, through end bobbin carriage 8 water conservancy diversion and then entering in-out end bobbin carriage 9 through another layer of coil pipe 6, so the circulation outlet 2 of medium in in-out end bobbin carriage 9 that be finally cooled discharged.
If plain edition closed cooling tower is wanted to realize and anti-freezingly must be added anti-icing fluid, and needs the inner anti-icing fluid of periodic replacement, cost is high, and in utmost point cryogenic region, (as Xinjiang, northeast) antifreezing effect is also undesirable.
In cold season, when heat exchanger is stopped using, circulating pump fault, all can cause import bobbin carriage 3, outlet bobbin carriage 1 or the freezing situation of leaking of coil pipe 6 to occur without situations such as thermic load or thermic load deficiencies, gently need to change heat exchanger tube, heavy whole pipe group is scrapped.Freezing pipe group must cause cooling tower cooling capacity to decline or lose efficacy, and has a strong impact on the normal operation of the equipment of being cooled, and more the cost of replace tubes group is higher after freezing in addition, and the duration is longer.Given this, in the urgent need to the anti-freezing type closed cooling tower pipe group of one, to solve the deficiency in above-mentioned technology.
Utility model content
The purpose of this utility model is to solve the anti-freezing problem of Cooling Tower in High Cold Climate, utilizes anti-freeze type bobbin carriage and anti-freeze type heat exchanger tube, and in conjunction with safety relief valve or safety relief pipe, the Guan Zufang that can realize closed cooling tower or enclosed cooling device is freezing.
For reaching above-mentioned purpose, the utility model provides a kind of set of heat exchange tubes of anti-freezing type enclosed cooling device, and it comprises: anti-freeze type bobbin carriage, outlet, import and many anti-freeze type heat exchanger tubes; Wherein: wherein one end of every two adjacent anti-freeze type heat exchanger tubes connects by elbow, and the wall thickness of elbow and tensile strength are all greater than wall thickness and the tensile strength with anti-freeze type heat exchanger tube, and anti-freeze type heat exchanger tube is connected with anti-freeze type bobbin carriage away from one end of elbow; The wall thickness of described anti-freeze type bobbin carriage is greater than the wall thickness of anti-freeze type heat exchanger tube; Described anti-freeze type bobbin carriage is provided with pressure relief device, for exceeding the liquid discharge of pressure in anti-freeze type bobbin carriage due to freezing and expansion; The below of anti-freeze type bobbin carriage is provided with import, and the top of anti-freeze type bobbin carriage is provided with outlet.
The utility model also provides a kind of set of heat exchange tubes of anti-freezing type enclosed cooling device, and it comprises: at least two anti-freeze type bobbin carriages, outlet, import and many anti-freeze type heat exchanger tubes; Wherein: the two ends that every anti-freeze type heat exchanger tube is straight tube and every anti-freeze type heat exchanger tube are connected with two anti-freeze type bobbin carriages respectively, the inner wall surface roughness of anti-freeze type heat exchanger tube reaches Ra1.6, and anti-freeze type heat exchanger tube length between every two anti-freeze type bobbin carriages is not more than 6 meters; The wall thickness of described anti-freeze type bobbin carriage is greater than the wall thickness of anti-freeze type heat exchanger tube; Described anti-freeze type bobbin carriage is provided with pressure relief device, for exceeding the liquid discharge of pressure in anti-freeze type bobbin carriage due to freezing and expansion; The below of anti-freeze type bobbin carriage is provided with import, and the top of anti-freeze type bobbin carriage is provided with outlet.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: the volume of anti-freeze type bobbin carriage internal water is with respect to the outside Area Ratio contacting with cold air, is greater than the Area Ratio that the volume of anti-freeze type heat exchanger tube internal water contacts with cold air with respect to exterior tube.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: described pressure relief device is safety relief valve, it is located at the top of anti-freeze type bobbin carriage, anti-freeze type bobbin carriage inside separates multiple isolated chambers by polylith baffle region, dividing plate is provided with relief hole, for discharging the compressed water in each cavity and each cavity in anti-freeze type bobbin carriage being communicated with.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: described pressure relief device is many safety relief pipes, anti-freeze type bobbin carriage inside separates multiple isolated chambers by polylith baffle region, many safety relief pipes are connected with the each cavity in anti-freeze type bobbin carriage respectively and converge at a safety relief pipe, and the outside of safety relief pipe is furnished with heat-insulation layer.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: anti-freeze type heat exchanger tube is supported by managing group bracing frame and heat exchange tube supporting plate.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: described anti-freeze type heat exchanger tube is horizontally disposed or arranges with gradient.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: the casing of described anti-freeze type bobbin carriage, its shape is square or circular enclosed construction; The casing of described anti-freeze type bobbin carriage connects by welding, bonding or bolted form; The material of described anti-freeze type bobbin carriage is carbon steel, stainless steel or titanium.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: described anti-freeze type heat exchanger tube is pipe, elliptical tube or flat tube; The material of described anti-freeze type heat exchanger tube is carbon steel, stainless steel, copper, aluminium or titanium.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: described anti-freeze type heat exchanger tube is pipe light pipe, physa fin tube, oval light pipe or oval base tube finned tube.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: the finned tube in anti-freeze type heat exchanger tube is bi-metal rolling pipe, finned tube around finned tube, edge wing or soldering wing.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: described elbow adopts identical material or unlike material with anti-freeze type heat exchanger tube.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: the material of described heat exchange tube supporting plate is metal or nonmetal.
The set of heat exchange tubes of described anti-freezing type enclosed cooling device, wherein: the material of described pipe group bracing frame is metal or nonmetal.
The beneficial effects of the utility model are: thoroughly solved such closed cooling tower or the antifreeze problem of air cooling organ pipe group, both can be used for the cooling of the fluid liquids such as recirculated cooling water, also can be used for the condensation of various gaseous state processing mediums, be applicable to the industries such as metallurgy, electric power, chemical industry, oil refining, pharmacy, civil air conditioner and machinery.
Brief description of the drawings
Figure 1A is the closed cooling tower pipe group schematic diagram of conventional serpentine coil form;
Figure 1B is the closed cooling tower pipe group schematic diagram of conventional bobbin carriage straight tube form;
Fig. 2 is the schematic diagram of the set of heat exchange tubes of the single bobbin carriage of employing of the present utility model;
Fig. 3 A is the schematic diagram of the anti-freeze type heat exchanger tube curved with;
Fig. 3 B is the schematic diagram of straight pipe type anti-freeze type heat exchanger tube;
Fig. 4 is the cutaway view that adopts the anti-freeze type bobbin carriage of safety relief valve and relief hole;
Fig. 5 is the schematic diagram of the set of heat exchange tubes of two bobbin carriages of employing of the present utility model;
Fig. 6 is the schematic diagram of the set of heat exchange tubes of the multiple bobbin carriages of employing of the present utility model;
Fig. 7 is the cutaway view that adopts the anti-freeze type bobbin carriage of safety relief pipe.
Detailed description of the invention
The technological means of relevant the utility model for reaching above-mentioned application target and effect and adopting, now enumerates better feasible embodiment, and coordinates shown in accompanying drawing, and details are as follows:
First, as shown in Figure 2, be the schematic diagram of the set of heat exchange tubes of the single bobbin carriage of employing of the present utility model, it comprises an anti-freeze type bobbin carriage 10, outlet 11, import 12, pipe group bracing frame 13, anti-freeze type heat exchanger tube 14 and heat exchange tube supporting plate 15.One end of every two adjacent anti-freeze type heat exchanger tubes 14 connects (asking for an interview Fig. 3 A) by elbow, elbow adopts identical material or unlike material with anti-freeze type heat exchanger tube 14, elbow wall thickness is greater than coupled straight tube (being anti-freeze type heat exchanger tube 14) wall thickness, and tensile strength is greater than coupled straight tube; Anti-freeze type heat exchanger tube 14 is connected with anti-freeze type bobbin carriage 10 away from one end of elbow.
In addition, the below of anti-freeze type bobbin carriage 10 is provided with import 12, and for flowing into hot fluid, the top of anti-freeze type bobbin carriage 10 is provided with outlet 11, for flowing out cold fluid.Anti-freeze type heat exchanger tube 14 is supported by pipe group bracing frame 13 and heat exchange tube supporting plate 15.Wherein, pipe group bracing frame 13 is positioned at pipe group surrounding and inside, and its effect is stay pipe group and forms a connecting link, and is characterized in that antifreeze bobbin carriage cannot retrain the internal stress of anti-freeze type pipe group while being symmetrical two or more layout; And the effect of heat exchange tube supporting plate 15 is that each anti-freeze type heat exchanger tube 14 is separated, be characterized in holding onto coil pipe.
As from the foregoing, hot fluid is to enter anti-freeze type bobbin carriage 10 by import 12, then by anti-freeze type heat exchanger tube 14, final by outlet 11 outflow closed cooling towers.
Described anti-freeze type heat exchanger tube 14 can be horizontally disposed can be also to arrange with gradient.
Described anti-freeze type bobbin carriage 10 is provided with pressure relief device, as shown in Figure 4, for adopting the cutaway view of anti-freeze type bobbin carriage of safety relief valve and relief hole, the top of described anti-freeze type bobbin carriage 10 is provided with safety relief valve 16, for increased by volume, pressure exceeds the water discharge anti-freeze type bobbin carriage 10 of safe range, in addition, multiple isolated chambers are distinguished by polylith dividing plate 17 in inside, dividing plate 17 center is provided with relief hole 18, so that the compressed water in each cavity is discharged, interior anti-freeze type bobbin carriage 10 each cavity can also be communicated with, make compressed water pass through relief hole 18 and safety relief valve discharge anti-freeze type bobbin carriage 10, thereby protection anti-freeze type bobbin carriage 10 is not damaged by frost.
In addition, the set pressure relief device of described anti-freeze type bobbin carriage 10 can also be safety relief pipe 22, as shown in Figure 7, for adopting the cutaway view of anti-freeze type bobbin carriage of safety relief pipe, many safety relief pipes 22 are connected (on the dividing plate of cavity, can dispense relief hole) with the each cavity in anti-freeze type bobbin carriage 10 respectively and converge at a safety relief pipe 22, in anti-freeze type set of heat exchange tubes normal course of operation all the time to externally drained, and the outside of safety relief pipe 22 is furnished with heat-insulation layer 23, prevent that safety relief pipe 22 is frozen in.The diameter of safety relief pipe 22 is generally in φ 8-φ 10 (unit: millimeter), and the amount of liquid flowing out by this pipe is 0.4-0.6m
3/ h, accounts for the 0.01-0.1% of whole system internal circulating load conventionally, can not impact normal quantity of circulating water.And in the time that winter, pipe group was frozen, after getting into anti-freeze type bobbin carriage 10 inside by the ice of above-mentioned analysis anti-freeze type heat exchanger tube 14 inside, the not icing water pushing that is subject to expand can be discharged anti-freeze type bobbin carriage 10 by safety relief pipe 22, thereby ensures that anti-freeze type bobbin carriage 10 and anti-freeze type heat exchanger tube 14 are not damaged by frost.
Again as shown in Figure 5, be the schematic diagram of the set of heat exchange tubes of two bobbin carriages of employing of the present utility model; In the time that anti-freeze type bobbin carriage 10 is 2, anti-freeze type heat exchanger tube 14 is straight tube (asking for an interview Fig. 3 B), and anti-freeze type heat exchanger tube 14 inner wall surface roughness must reach Ra1.6, and anti-freeze type heat exchanger tube 14 length are not more than 6 meters; In the time that anti-freeze type heat exchanger tube 14 length are greater than 6 meters, need in the middle of anti-freeze type heat exchanger tube 14, increase anti-freeze type bobbin carriage 10, the quantity of anti-freeze type bobbin carriage 10 is multiple (asking for an interview Fig. 6), to shorten anti-freeze type heat exchanger tube 14 length.
The casing of described anti-freeze type bobbin carriage 10, its shape can be square, circular or other enclosed constructions, casing can be welding, bonding, bolted type of attachment or other types of attachment.Described anti-freeze type bobbin carriage 10 materials can be carbon steel, stainless steel, titanium or other materials.
The material of described anti-freeze type heat exchanger tube 14 can be carbon steel, stainless steel, copper, aluminium, titanium or other materials; In addition, described anti-freeze type heat exchanger tube 14 can be pipe, elliptical tube or flat tube; Or anti-freeze type heat exchanger tube 14 can be pipe light pipe, physa fin tube, oval light pipe, oval base tube finned tube or other closed trajectory pipes.
Finned tube in anti-freeze type heat exchanger tube 14 can be bi-metal rolling pipe, can be also around finned tube, can be also the finned tubes such as edge wing, soldering wing.
Described heat exchange tube supporting plate 15 can be metal or nonmetal; Described heat exchange tube supporting plate 15 can be also the structure of support or other support coil pipes.
Have, the material of described pipe group bracing frame 13 can be metal or nonmetal again.
The workflow of antifreeze realization is once described below in conjunction with Fig. 2-Fig. 7:
In the time that outside air temperature arrives freezing point, closed cooling tower pipe group is because thermic load deficiency, power failure suddenly, circulating pump fault etc. cause pipe group internal water to freeze.Because the wall thickness of anti-freeze type bobbin carriage 10 is not less than 8mm, much larger than anti-freeze type heat exchanger tube 14 wall thickness 0.6-2mm, and the volume of anti-freeze type bobbin carriage 10 internal water is with respect to the outside Area Ratio (being generally 9-12) contacting with cold air, the Area Ratio (being generally 5-7) contacting with cold air with respect to exterior tube much larger than the volume of anti-freeze type heat exchanger tube 14 internal water, therefore it is from the inwall of anti-freeze type bobbin carriage 10 and antifreeze heat exchanger tube 14 that pipe is organized icing order, freeze to inside gradually, and antifreeze heat exchanger tube 14 is prior to the inner freeze over of anti-freeze type bobbin carriage 10.
First how analyze anti-freeze type heat exchanger tube 14 prevents freezing, antifreeze heat exchanger tube refers to Fig. 3 A, in the time possessing an anti-freeze type bobbin carriage 10 in anti-freeze type pipe group (Fig. 2), it is anti-freeze type heat exchanger tube 14 in Fig. 3 A that anti-freeze type heat exchanger tube is joined by institute, because anti-freeze type heat exchanger tube 14 icing rates are faster than the icing rate of anti-freeze type bobbin carriage 10, when after the inner freeze over of anti-freeze type heat exchanger tube 14, volumetric expansion, ice sheet is moved to anti-freeze type heat exchanger tube 14 oral areas by the effect meeting of expansive force, and anti-freeze type heat exchanger tube 14 oral areas are connected (as Fig. 2) with anti-freeze type bobbin carriage 10, and not yet freeze over of anti-freeze type bobbin carriage 10 inside, the interior ice of anti-freeze type heat exchanger tube 14 can be got in anti-freeze type bobbin carriage 10, thereby discharge the expansive force of ice, protection anti-freeze type heat exchanger tube 14 is not split up.It should be noted that anti-freeze type heat exchanger tube 14 afterbody elbows adopt thick-walled pipe to make herein, and after Quenching Treatment, increase its intensity, in the time that ice sheet is inflated power and extrudes anti-freeze type heat exchanger tube 14, can cause a reaction thrust to elbow, elbow must bear this thrust.Anti-freeze type heat exchanger tube 14 inner wall surface roughness need reach Ra1.6 in addition, can reduce like this frictional force of ice sheet and anti-freeze type heat exchanger tube inwall 21, guarantee that ice is inflated power and extrudes heat exchanger tube.
Secondly how analyze anti-freeze type bobbin carriage 10 realizes anti-freezing, anti-freeze type bobbin carriage schematic diagram as shown in Figure 4, in the icing process of anti-freeze type heat exchanger tube 14, in anti-freeze type bobbin carriage 10, also freezing, just the interior icing speed of anti-freeze type bobbin carriage 10 is slower than the interior icing rate of anti-freeze type heat exchanger tube 14, therefore the ice in anti-freeze type heat exchanger tube 14 can be got into anti-freeze type bobbin carriage 10 inside; When the interior ice of anti-freeze type heat exchanger tube 14 get into due to expansive force anti-freeze type bobbin carriage 10 interior after, in anti-freeze type bobbin carriage 10 because entering of external ice cube added self inner icing its internal volume expanded, on the inwall of anti-freeze type bobbin carriage 10, started to freeze simultaneously, but anti-freeze type bobbin carriage 10 center is not yet icing, the volume expanding raises anti-freeze type bobbin carriage 10 center hydraulic pressure, if this part water not discharged, will bursting by freezing anti-freeze type bobbin carriage 10.The top of anti-freeze type bobbin carriage 10 is provided with safety relief valve 16 herein, be responsible for will be subject to volume increase and pressure exceeds the water of safe range and discharges anti-freeze type bobbin carriage 10; And anti-freeze type bobbin carriage 10 inside are made up of multiple isolated chambers; for compressed water in each cavity is discharged; need bobbin carriage dividing plate 17 center to make relief hole 18; inner anti-freeze type bobbin carriage 10 each cavity can be communicated with like this; thereby make compressed water pass through relief hole 18 and safety relief valve 16 is discharged anti-freeze type bobbin carriage 10, thereby protection bobbin carriage is not damaged by frost.
What more than introduce is a kind of situation of the anti-antifreeze realization of freezing type closed cooling tower pipe group single tube case, introduces process antifreeze while being equipped with two (Fig. 5) and multiple bobbin carriage (Fig. 6) in a kind of anti-freezing type closed cooling tower pipe group below.
First how analyze antifreeze heat exchanger tube 20 prevents freezing, antifreeze heat exchanger tube refers to anti-freeze type heat exchange straight tube 20 in Fig. 3 B, in the time possessing 2 antifreeze bobbin carriages in anti-freeze type pipe group 10 (Fig. 5), it is anti-freeze type heat exchange straight tube 20 in Fig. 3 B that anti-freeze type heat exchanger tube is joined by institute, because anti-freeze type heat exchange straight tube 20 icing rates are faster than the icing rate of anti-freeze type bobbin carriage 10 and anti-freeze type end bobbin carriage 19 and anti-freeze type middle part bobbin carriage 21, when after anti-freeze type heat exchange straight tube 20 inner freeze overs, volumetric expansion, ice sheet is moved to the two ends oral area of anti-freeze type heat exchange straight tube 20 by the effect meeting of expansive force, and anti-freeze type heat exchange straight tube 20 oral areas and anti-freeze type bobbin carriage 10, anti-freeze type end bobbin carriage 19 and anti-freeze type middle part bobbin carriage 21 connect (as Fig. 5), and anti-freeze type bobbin carriage 10, anti-freeze type end bobbin carriage 19 and not yet freeze over of anti-freeze type bobbin carriage 21 inside, middle part, the interior ice of anti-freeze type heat exchange straight tube 20 can be got in anti-freeze type bobbin carriage 10, in anti-freeze type end bobbin carriage 19 and anti-freeze type middle part bobbin carriage 21, thereby discharge the expansive force of ice, protection anti-freeze type heat exchange straight tube 20 is not split up.Anti-freeze type heat exchange straight tube 20 inner wall surface roughness need reach Ra1.6 in addition, can reduce like this frictional force of ice sheet and anti-freeze type heat exchange straight tube 20 inwalls, guarantee that ice is inflated power and extrudes heat exchanger tube.
And anti-freeze type bobbin carriage 10, anti-freeze type end bobbin carriage 19 and anti-freeze type middle part bobbin carriage 21 anti-freezing principles are with the principle of anti-freeze type bobbin carriage 10, no longer describe in detail herein.
In sum, emphasis of the present utility model be to have realized by closed cooling tower pipe group by new structure anti-freezing, even winter pipe group inner icing, also can not damage pipe group, can normally use after only need to changing ice.Anti-freezing type closed cooling tower pipe group of the present utility model has really realized anti-freezing, can reduce greatly user's operation expense.Therefore, the utility model has thoroughly solved the freezing problem of enclosed cooling device at cold district, it can be applied in cooling tower or air cooler cooling medium is the medium that water or other freezing point are similar to water, is applicable to the industries such as metallurgy, electric power, chemical industry, oil refining, pharmacy, civil air conditioner and machinery.
Illustrative to description of the present utility model above; and it is nonrestrictive; those skilled in the art is understood, and can carry out many amendments, variation or equivalence to it, but they all will fall in protection domain of the present utility model in claim within the spirit limiting and scope.
Claims (13)
1. a set of heat exchange tubes for anti-freezing type enclosed cooling device, it comprises: anti-freeze type bobbin carriage, outlet, import and many anti-freeze type heat exchanger tubes; It is characterized in that: wherein one end of every two adjacent anti-freeze type heat exchanger tubes connects by elbow, the wall thickness of elbow and tensile strength are all greater than wall thickness and the tensile strength with anti-freeze type heat exchanger tube, and anti-freeze type heat exchanger tube is connected with anti-freeze type bobbin carriage away from one end of elbow; The wall thickness of described anti-freeze type bobbin carriage is greater than the wall thickness of anti-freeze type heat exchanger tube; Described anti-freeze type bobbin carriage is provided with pressure relief device, for exceeding the liquid discharge of pressure in anti-freeze type bobbin carriage due to freezing and expansion; The below of anti-freeze type bobbin carriage is provided with import, and the top of anti-freeze type bobbin carriage is provided with outlet.
2. a set of heat exchange tubes for anti-freezing type enclosed cooling device, it comprises: at least two anti-freeze type bobbin carriages, outlet, import and many anti-freeze type heat exchanger tubes; It is characterized in that: the two ends that every anti-freeze type heat exchanger tube is straight tube and every anti-freeze type heat exchanger tube are connected with two anti-freeze type bobbin carriages respectively, the inner wall surface roughness of anti-freeze type heat exchanger tube reaches Ra1.6, and anti-freeze type heat exchanger tube length between every two anti-freeze type bobbin carriages is not more than 6 meters; The wall thickness of described anti-freeze type bobbin carriage is greater than the wall thickness of anti-freeze type heat exchanger tube; Described anti-freeze type bobbin carriage is provided with pressure relief device, for exceeding the liquid discharge of pressure in anti-freeze type bobbin carriage due to freezing and expansion; The below of anti-freeze type bobbin carriage is provided with import, and the top of anti-freeze type bobbin carriage is provided with outlet.
3. the set of heat exchange tubes of anti-freezing type enclosed cooling device according to claim 1 and 2, it is characterized in that: the volume of anti-freeze type bobbin carriage internal water is with respect to the outside Area Ratio contacting with cold air, be greater than the Area Ratio that the volume of anti-freeze type heat exchanger tube internal water contacts with cold air with respect to exterior tube.
4. the set of heat exchange tubes of anti-freezing type enclosed cooling device according to claim 1 and 2, it is characterized in that: described pressure relief device is safety relief valve, it is located at the top of anti-freeze type bobbin carriage, anti-freeze type bobbin carriage inside separates multiple isolated chambers by polylith baffle region, dividing plate is provided with relief hole, for discharging the compressed water in each cavity and each cavity in anti-freeze type bobbin carriage being communicated with.
5. the set of heat exchange tubes of anti-freezing type enclosed cooling device according to claim 1 and 2, it is characterized in that: described pressure relief device is many safety relief pipes, anti-freeze type bobbin carriage inside separates multiple isolated chambers by polylith baffle region, many safety relief pipes are connected with the each cavity in anti-freeze type bobbin carriage respectively and converge at a safety relief pipe, and the outside of safety relief pipe is furnished with heat-insulation layer.
6. the set of heat exchange tubes of anti-freezing type enclosed cooling device according to claim 1 and 2, is characterized in that: anti-freeze type heat exchanger tube is supported by managing group bracing frame and heat exchange tube supporting plate.
7. the set of heat exchange tubes of anti-freezing type enclosed cooling device according to claim 1 and 2, is characterized in that: described anti-freeze type heat exchanger tube is horizontally disposed or arranges with gradient.
8. the set of heat exchange tubes of anti-freezing type enclosed cooling device according to claim 1 and 2, is characterized in that: the casing of described anti-freeze type bobbin carriage, and its shape is square or circular enclosed construction; The casing of described anti-freeze type bobbin carriage connects by welding, bonding or bolted form; The material of described anti-freeze type bobbin carriage is carbon steel, stainless steel or titanium.
9. the set of heat exchange tubes of anti-freezing type enclosed cooling device according to claim 1 and 2, is characterized in that: described anti-freeze type heat exchanger tube is pipe, elliptical tube or flat tube; The material of described anti-freeze type heat exchanger tube is carbon steel, stainless steel, copper, aluminium or titanium.
10. the set of heat exchange tubes of anti-freezing type enclosed cooling device according to claim 1 and 2, is characterized in that: described anti-freeze type heat exchanger tube is pipe light pipe, physa fin tube, oval light pipe or oval base tube finned tube.
The set of heat exchange tubes of 11. anti-freezing type enclosed cooling devices according to claim 10, is characterized in that: the finned tube in anti-freeze type heat exchanger tube is bi-metal rolling pipe, finned tube around finned tube, edge wing or soldering wing.
The set of heat exchange tubes of 12. anti-freezing type enclosed cooling devices according to claim 1 and 2, is characterized in that: the material of described heat exchange tube supporting plate is metal or nonmetal.
The set of heat exchange tubes of 13. anti-freezing type enclosed cooling devices according to claim 1 and 2, is characterized in that: the material of described pipe group bracing frame is metal or nonmetal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314092.6U CN203893699U (en) | 2014-06-12 | 2014-06-12 | Heat exchange tube group of anti-freezing type closed cooling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314092.6U CN203893699U (en) | 2014-06-12 | 2014-06-12 | Heat exchange tube group of anti-freezing type closed cooling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203893699U true CN203893699U (en) | 2014-10-22 |
Family
ID=51720094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420314092.6U Expired - Fee Related CN203893699U (en) | 2014-06-12 | 2014-06-12 | Heat exchange tube group of anti-freezing type closed cooling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203893699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910457A (en) * | 2016-04-14 | 2016-08-31 | 南通德瑞森复合材料有限公司 | Glass fiber reinforced plastic closed cooling tower |
| CN110986653A (en) * | 2019-10-30 | 2020-04-10 | 格力电器（合肥）有限公司 | Anti-freezing high-efficiency water chamber and heat exchanger |
-
2014
- 2014-06-12 CN CN201420314092.6U patent/CN203893699U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910457A (en) * | 2016-04-14 | 2016-08-31 | 南通德瑞森复合材料有限公司 | Glass fiber reinforced plastic closed cooling tower |
| CN110986653A (en) * | 2019-10-30 | 2020-04-10 | 格力电器（合肥）有限公司 | Anti-freezing high-efficiency water chamber and heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107388861B (en) | Hot wall type heat exchanger | |
| CN204495135U (en) | The board-like reacting replacing heat device of Novel spiral | |
| CN203893699U (en) | Heat exchange tube group of anti-freezing type closed cooling equipment | |
| CN203310295U (en) | Heat exchange tube with variable diameter | |
| CN201449201U (en) | Corrugated heat exchange pipe | |
| JP2010216692A5 (en) | ||
| CN204438882U (en) | Vertical reinforcement thin tubesheet heat regenerator | |
| CN201449198U (en) | Anti-icing heat exchanging pipe | |
| CN203964721U (en) | Double pipe heat exchanger and there is the Teat pump boiler of this double pipe heat exchanger | |
| CN112082400A (en) | Heat exchanger and heat exchanger system | |
| CN208205871U (en) | A kind of high energy efficiency double-tube heat exchanger | |
| CN111351165B (en) | Compartment fractal ice storage tank | |
| US20220099355A1 (en) | Heat exchanger capable of automatically defrosting or deicing | |
| CN202254509U (en) | Layout structure of fin evaporator of air-cooled refrigerator | |
| CN202254976U (en) | Built-in plate type heat exchanger | |
| CN213599898U (en) | Heat exchanger and heat exchanger system | |
| CN202304115U (en) | Finned heat exchanger | |
| CN203116582U (en) | Compound aluminum tube bank used for cold storage refrigeration | |
| CN209246754U (en) | A kind of safe and efficient parallel heat exchange device | |
| CN201974081U (en) | Heat-exchanging device with heat-pipe thermal spreader for refrigerative air-conditioning system | |
| CN105571175B (en) | A kind of solar water heating system water-supply-pipe thawing apparatus and its solar water heater | |
| CN201185116Y (en) | Apparatus for refrigerating multilevel oil | |
| CN219368467U (en) | Rapid cooling device for heavy-load heat conduction oil | |
| CN103925715A (en) | Antifreeze flat-plate solar water heater | |
| CN213421926U (en) | Heat exchanger and heat exchanger system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |