CN208205154U - A kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system - Google Patents
A kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system Download PDFInfo
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- CN208205154U CN208205154U CN201820699058.3U CN201820699058U CN208205154U CN 208205154 U CN208205154 U CN 208205154U CN 201820699058 U CN201820699058 U CN 201820699058U CN 208205154 U CN208205154 U CN 208205154U
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Abstract
The utility model belongs to heat supply process field, propose a kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system, efficiently decontamination mixed heat exchanger includes tank body to one kind, eccentric setting has strainer inner cylinder in the tank body, it is covered with through-hole on the barrel of the strainer inner cylinder, cavity is provided between the strainer inner cylinder and the tank body, side on the tank body positioned at the strainer inner cylinder is provided with the water inlet line being connected to the cavity, the water inlet line and the inner tank wall are tangent, the top of the tank is provided with the outlet conduit being connected to the strainer inner cylinder, solves the not hot technical problem in existing heating network end, realize economical operation of the first-level pipeline network under the big temperature difference.
Description
Technical field
The invention belongs to heat supply process fields, are related to a kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system.
Background technique
One central heating network end pressure of supply water reduces, and pressure of return water increases, and pressure difference reduces, often heating quality
Bad region, heat exchange station generally use plate heat exchanger, and plate heat exchanger is surface-type heat exchanger, and heat exchange efficiency is low, cost
At high cost, resistance is big, and long operational time, which has dirty bridging dirt, causes exchange capability of heat to decline, and periodic cleaning is needed to safeguard, cleans
Maintenance cost is high, working hour is high.And use the heat exchange station of plate heat exchanger, as outdoor weather cold degree increases, return water temperature
Degree can gradually rise, if plate heat exchanger fouling, heat exchange efficiency is reduced, and return water temperature can be higher, and level-one net return water temperature begins
It is higher than second level net return water temperature eventually, therefore the great temperature difference heat supply mode proposed is the development trend of central heating system in future.
Summary of the invention
The invention proposes a kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply systems, realize great temperature difference heat supply,
The power consumption for reducing first-level pipeline network increases the heat capacity of first-level pipeline network, solves above-mentioned technical problem.
The technical scheme of the present invention is realized as follows:
A kind of efficiently decontamination mixed heat exchanger, comprising: tank body, eccentric setting has strainer inner cylinder, the filter in the tank body
It is covered with through-hole on the barrel of net inner cylinder, cavity is provided between the strainer inner cylinder and the tank body, is located at institute on the tank body
The side for stating strainer inner cylinder is provided with the water inlet line being connected to the cavity, the water inlet line and the inner tank wall phase
It cuts, the top of the tank is provided with the outlet conduit being connected to the strainer inner cylinder.
As further technical solution, the water inlet line is all connected with the first water inlet line and the second water inlet line,
First water inlet line and second water inlet line are in 45 ° of angles.
As further technical solution, surrounding and tank body top inner wall at the top of the strainer inner cylinder are welded, and
The welding manner not being fully welded specially.
As further technical solution, the strainer inner cylinder is stainless steel filtering net inner cylinder.
As further technical solution, the aperture of the through-hole is 3mm, the through-hole along cylinder radial direction in 30 ° ~
45 ° are obliquely installed, and tilt close to the one end of the cavity (5) towards Parallel to the flow direction.
As further technical solution, the top of the tank body is provided with exhaust pipe and safety valve.
As further technical solution, the bottom of the tank body is provided with blow-off line, is arranged on the blow-off line
There is sewage draining valve.
As further technical solution, the tank body is provided with hand hole, the aperture of the hand hole close to the side of bottom end
For 150 ~ 250mm.
As further technical solution, the side of the water inlet line is provided with several in the inner tank wall
Mud deflector drops, and the length of the drop mud deflector is extended downwardly along the inner tank wall curve, the thickness of the drop mud deflector
It spends from one end to the other end close to the water inlet line water inlet and becomes larger.
As further technical solution, if the inner tank wall bottom is welded with arterial highway anti-cyclone partition.
A kind of great temperature difference heat supply system, including mixed heat exchanger is efficiently decontaminated, the water inlet line and the first water inlet line
Be all connected with the second water inlet line, first water inlet line and second water inlet line respectively with level-one net water supply line and
The connection of second level net return piping, the outlet conduit connect with second level net water supply line, the second level net water supply line and described
Second level net return piping is connect with cell heating system, and the level-one net water supply line passes through level-one net water main pipe and boiler
Connection, the second level net return piping also passes sequentially through level-one net return piping, level-one net return water main pipe is connect with the boiler,
Several heat exchange stations are provided between the level-one net water main pipe and the level-one net return water main pipe.
Compared with prior art, it working principle of the present invention and has the beneficial effect that
Ability=△ T × Q × A ÷ 1000 of the pipeline thermal energy of a certain heat supply branch in end, obtains having from formula
Under the flow of limit, the heat capacity of this branch could be improved by being only improved △ T, and supply water temperature is by security restriction northeast ground
Area's design value upper limit is 130 DEG C, therefore reduces return water temperature using great temperature difference heat supply system and can solve end not heat problem, this
In invention, it is at low cost efficiently to decontaminate mixed heat exchanger, do not need periodic cleaning and maintenance, and long operational time will not be deposited
In dirty bridging dirt, working efficiency is improved, and using efficiently decontamination mixed heat exchanger, is reduced to level-one net return water temperature
Second level net return water temperature, realizes the mode of great temperature difference heat supply, improves the ability of pipeline thermal energy, and then solves heat supply
The not hot technical problem in pipe network end.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present invention looks up structural representation of the present invention；
Fig. 3 is A-A schematic cross-sectional view of the present invention；
Fig. 4 is B partial enlargement structural representation in the present invention；
Fig. 5 is the area Zhong Di heating system structure schematic diagram of the present invention；
Fig. 6 is the area Zhong Gao heating system structure schematic diagram of the present invention；
In figure: 1- tank body, 2- strainer inner cylinder, 3- through-hole, 4- water inlet line, the first water inlet line of 41-, 42- second are intake
Pipeline, 5- cavity, 6- outlet conduit, 7- exhaust pipe, 8- safety valve, 9- blow-off line, 10- sewage draining valve, 12- hand hole, 13- drop
Mud deflector, 14- level-one net water supply line, 15- second level net return piping, 16- second level net water supply line, 17- cell heating system
System, 18- level-one net water main pipe, 19- boiler, 20- level-one net return piping, 21- level-one net return water main pipe, 22- heat exchange station,
23- force (forcing) pump, 24- anti-cyclone partition.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Fig. 1 ~ Fig. 6, the present invention proposes a kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system.
A kind of efficiently decontamination mixed heat exchanger, comprising: tank body 1, eccentric setting has strainer inner cylinder 2 in the tank body 1, described
It is covered with through-hole 3 on the barrel of strainer inner cylinder 2, cavity 5, the tank body 1 is provided between the strainer inner cylinder 2 and the tank body 1
The upper side positioned at the strainer inner cylinder 2 is provided with the water inlet line 4 being connected to the cavity 5, the water inlet line 4 with it is described
1 inner wall of tank body is tangent, and the outlet conduit 6 being connected to the strainer inner cylinder 2 is provided at the top of the tank body 1.
In the present embodiment, efficiently decontaminating mixed heat exchanger main structure is a pressure container tank body, resistance to 2.5-4.0Mpa,
Inner filling water when operation, it is mixed that the water supply of level-one net tangentially enters efficiently decontamination by water inlet line 4 after mixing with second level net return water
Heat exchanger is closed, the tangential mixed water for entering efficiently decontamination mixed heat exchanger is moved in 5 inward eddy of heat exchanger cavity, and passes through stainless steel
The through-hole 3 of strainer inner cylinder 2 enters inside stainless steel filtering net inner cylinder 2, and sundries is blocked on other than aperture and is settled down to bottom, with
Periodical blowdown excludes heat exchanger, and the clean water for entering stainless steel filtering net inner cylinder is sent into two from the outlet conduit 6 of top delivery port
Grade network users.
Further, the water inlet line 4 is all connected with the first water inlet line 41 and the second water inlet line 42, the first water inlet pipe
Road 41 and the second water inlet line 42 are in 45 ° of angles, and it is too big to avoid vertical resistance.
Further, the surrounding at 2 top of strainer inner cylinder and the 1 top inner wall of tank body weld, and are specially not to be fully welded
Welding manner.
Further, the strainer inner cylinder 2 is stainless steel filtering net inner cylinder, and the long-term erosive wear strainer of water flow in order to prevent
Inner cylinder, the strainer inner cylinder arranged off-centre, eccentric direction are the first 90 ° of corner for deviateing water flow and tangentially entering.
Further, the aperture of the through-hole 3 is 3mm, and the through-hole 3 is obliquely installed along the radial direction of cylinder in 30 ° ~ 45 °, and
It tilts close to one end of the cavity 5 towards Parallel to the flow direction.
Further, the top of the tank body 1 is provided with exhaust pipe 7 and safety valve 8.
In the present embodiment, stainless steel cylinder is welded to connect in top and dirt separator inner wall, spot welding and there are gaps, to exclude
The gas that system generates when running, prevents heat exchanger from vibrating.
Further, the bottom of the tank body 1 is provided with blow-off line 9, is provided with sewage draining valve on the blow-off line 9
10。
Further, the tank body 1 is provided with hand hole 12 close to the side of bottom end, and the aperture of the hand hole 12 is 150 ~
250mm。
In the present embodiment, the aperture of stainless steel filtering net inner cylinder is prevented along the angled aperture of radial inverse water (flow) direction 30-45 degree
Only sundries hangs on aperture and prevents fine grained sundries from directly entering aperture, stainless steel filtering net inner cylinder perforated area in the eddy flow stage
With to pass through calculating, and be greater than heat exchanger into or out open area 30% or more.
Further, the side of the water inlet line 4 is provided with several drop mud deflectors on 1 inner wall of tank body
13, it is described drop mud deflector 13 length extended downwardly along the 1 inner wall curve of tank body, it is described drop mud deflector 13 thickness from
One end to the other end close to 4 water inlet of water inlet line becomes larger.
In the present embodiment, 3 drop mud diaphragms are welded in heat exchanger inner wall, block board thickness is from tangential inlet side
10mm gradual change to 50mm wide, and gradually curve downwards, the effect of partition be in guidance water flow large granular impurity along heat exchange
Device strainer inner tube wall, which is cut, to be moved downward；Heat exchanger is equipped with the inspection hand hole that diameter is 150-250mm, stops transport and uses when overhauling；It changes
Hot device belongs to pressure vessel, safety valve is arranged, so as to pressure of releasing when system overpressure, it is ensured that heat exchanger not superpressure.
As further technical solution, if 1 inner wall bottom of tank body is welded with arterial highway anti-cyclone partition 24, anti-cyclone partition
24 along tank body radial direction thickness between 100-150mm, be more conducive to impurity sedimentation.
A kind of great temperature difference heat supply system, comprising:
Efficiently decontamination mixed heat exchanger, the water inlet line 4 connect with the first water inlet line 41 and the second water inlet line 42
Connect, first water inlet line 41 and second water inlet line 42 respectively with level-one net water supply line 14 and second level net return pipe
Line 15 connects, and the outlet conduit 6 is connect with second level net water supply line 16, the second level net water supply line 16 and the second level net
Return piping 15 is connect with cell heating system 17, and the level-one net water supply line 14 passes through level-one net water main pipe 18 and pot
Furnace 19 connects, and the second level net return piping 15 also passes sequentially through level-one net return piping 20, level-one net return water main pipe 21 and institute
The connection of boiler 19 is stated, is provided with several heat exchange stations between the level-one net water main pipe 18 and the level-one net return water main pipe 21
22。
System operational process is, after user's second level net low-temperature return water returns to heat exchange station, largely returns to efficiently decontamination mixing
Heat exchanger, fraction return to level-one net return water.Before entering efficiently decontamination mixed heat exchanger, with level-one net water supply angle at 45 °
Enter efficiently decontamination mixed heat exchanger after Hybrid Heating.Enter arranged off-centre not in efficiently decontamination mixed heat exchanger inner eddy flow
Become rusty steel strainer inner cylinder, mixes abundant and clean water and is discharged at the top of heat exchanger, big impurity particle is blocked on stainless steel
Cylinder is outer, is settled down to exchanger base, and heat exchanger is discharged by online blowdown.The hot water come out at the top of from heat exchanger, by monopole
Second level network users are sent into after centrifugal circulating pump pressurization.
Electric butterfly valve is shown in a fully open operation when system is run, and electric control valve is in adjustment state；Automated system operation is patrolled
Collect explanation: the operation for now focussing on heating system generally uses SCADA system, and this system carries PLC module, can transport on the spot
Row, also accessible SCADA system operation, the parameter of second level net circulation: automatic control adjusting can be achieved for temperature for flow, wherein flow
Adjusting method: user's second level net circulation needs certain pressure difference and flow, after the difference typing PLC module of P1 and P2, second level
The circulation of net just issues instruction adjusting second level net circulation pump frequency by PLC module to realize；For warm adjusting method: second level net is for temperature
The adjusting of T1 is realized by control level-one net water supply line pitch M1, by second level net for warm parameter typing PLC module after,
PLC module issues instruction, to adjust the aperture of M1, so that it may realize second level net for the automatic adjustment of warm T1；Level-one net circling water flow rate
Adjusting because system automatic adjustment M1 aperture, level-one net flow into heat exchange station flow also changing, in order to realize
System hydraulic equilibrium needs water to send level-one net return water back to from second level net return water again.This process is also automatic adjustment, and system is logical
The pressure for crossing control return water pressurization point P3 is adjusted, in order to maintain certain return water level pressure, such as: return water level pressure is set to
35bar, PLC module need to give force (forcing) pump frequency conversion instruction, adjust force (forcing) pump frequency converter frequency, energy to maintain return water level pressure
Realize hydraulic equilibrium.While realizing hydraulic equilibrium, the function of second level net moisturizing is taken into account.Present advanced central heating system
System, primary net, secondary network recirculated water be all made of softened water, can reduce the fouling of heating system in this way, improve heating system
Exchange capability of heat.Primary net moisturizing station is arranged in system, and secondary network is by primary net moisturizing, the big temperature difference heat-exchange system that we design
It is directly realized the function that primary net water mends secondary network, can replace and individually laying one is needed using the heat exchange station of plate heat exchanger
Secondary net mends the moisturizing pipeline and water supply solenoid valve of secondary network.
Force (forcing) pump ontology is provided with recirculating line, if the primary net hot water of heat exchange station supplements very small, needs
The water for sending primary net return water back to is also very small, if it is less than force (forcing) pump minimum operating frequency and flow when, force (forcing) pump is with regard to nothing
Method operation, setting recirculating line open recirculating line under pump low-limit frequency and flow operating condition, guarantee pump minimum
Operating condition operates above, this recirculating line can be issued an instruction to realize by PLC module and be automatically controlled, and the minimum of pump is arranged
Running frequency, if pump is lower than this frequency, PLC module issues the motor regulated valve M2 of instruction unpack recirculating line, i.e.,
The flow and frequency that pump can be improved solve the problems, such as that force (forcing) pump cannot be run under low discharge；Other unmentioned temperature in figure
Degree, pressure-measuring-point are monitoring measuring point, provide parameter value for system conditions, are not involved in automatic adjustment.
The explanation of skyscraper low area He Gao area's heat supply difference solution:
Height area heating difference: 50 meters the following are low area, 50 meters the above are high areas.The static pressure of low area's heating system is
0.5MPA, the lift of water circulating pump are generally 0.3MPA, and the pressure of pump outlet is 0.8MPA, the work of domestic steel radiator
It is generally 1.0MPA as pressure, so radiator will not superpressure when working.The operating pressure etc. of the components such as pipeline, valve, water pump
Grade selection 1.6MPA, to guarantee system safety operation.The static pressure of high area's heating system is 1.1MPA, and the lift of water circulating pump is general
For 0.3MPA, the pressure of pump outlet is 1.4MPA, and the minimum point static pressure of high sound zone system is 0.7MPA, domestic steel radiator
Operating pressure be generally 1.0MPA, so radiator work when will not superpressure, the work pressure of the components such as pipeline, valve, water pump
Power hierarchical selection 2.5MPA, to guarantee system safety operation.
The characteristics of for high and low area's heating system.In low sound zone system, static pressure is low, and second level net pressure of return water is lower than one
Grade net pressure of return water, it is therefore desirable to which water is squeezed into level-one net return water by force (forcing) pump 23.In high sound zone system, static pressure is high, second level net
Pressure of return water is higher than level-one net pressure of return water, therefore water directly can be sent into level-one net return water from second level net return water.But simultaneously
The pressure of level-one net water supply line is lower than second level net return piping pressure, it is therefore desirable to force (forcing) pump 23 be arranged and just may be used herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of efficiently decontamination mixed heat exchanger, which is characterized in that including tank body (1), the interior eccentric setting of the tank body (1) has filter
Net inner cylinder (2) is covered with through-hole (3) on the barrel of the strainer inner cylinder (2), between the strainer inner cylinder (2) and the tank body (1)
It is provided with cavity (5), the side on the tank body (1) positioned at the strainer inner cylinder (2), which is provided with, to be connected to the cavity (5)
Water inlet line (4), the water inlet line (4) and the tank body (1) inner wall are tangent, be provided at the top of the tank body (1) with it is described
The outlet conduit (6) of strainer inner cylinder (2) connection.
2. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that the water inlet line (4) with
First water inlet line (41) and the second water inlet line (42) are all connected with, first water inlet line (41) and second water inlet pipe
Road (42) is in 45 ° of angles.
3. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that strainer inner cylinder (2) top
The surrounding in portion and the tank body (1) top inner wall weld, and are specially the welding manner not being fully welded.
4. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that the strainer inner cylinder (2) is
Stainless steel filtering net inner cylinder.
5. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that the aperture of the through-hole (3)
For 3mm, the through-hole (3) is obliquely installed along the radial direction of cylinder in 30 ° ~ 45 °, and tilts court close to the one end of the cavity (5)
To Parallel to the flow direction.
6. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that the top of the tank body (1)
It is provided with exhaust pipe (7) and safety valve (8).
7. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that the bottom of the tank body (1)
It is provided with blow-off line (9), is provided with sewage draining valve (10) on the blow-off line (9).
8. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that the tank body (1) is the bottom of close to
The side at end is provided with hand hole (12), and the aperture of the hand hole (12) is 150 ~ 250mm.
9. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that on tank body (1) inner wall
The side of the water inlet line (4) is provided with several drops mud deflector (13), the length of drop mud deflector (13)
Along the tank body (1), inner wall curve is extended downwardly, it is described drop mud deflector (13) thickness from close to the water inlet line (4) into
The one end at the mouth of a river to the other end becomes larger.
10. a kind of efficiently decontamination mixed heat exchanger according to claim 1, which is characterized in that tank body (1) the inner wall bottom
If portion is welded with arterial highway anti-cyclone partition (24).
11. a kind of great temperature difference heat supply system, which is characterized in that including efficiently decontamination is mixed described in claim 1 ~ 10 any one
Close heat exchanger, the water inlet line (4) is all connected with the first water inlet line (41) and the second water inlet line (42), described first into
Waterpipe (41) and second water inlet line (42) respectively with level-one net water supply line (14) and second level net return piping (15)
Connection, the outlet conduit (6) connect with second level net water supply line (16), the second level net water supply line (16) and the second level
Net return piping (15) is connect with cell heating system (17), and the level-one net water supply line (14) is by level-one net for jellyfish
Pipe (18) is connect with boiler (19), and the second level net return piping (15) also passes sequentially through level-one net return piping (20), level-one
Net return water main pipe (21) is connect with the boiler (19), the level-one net water main pipe (18) and the level-one net return water main pipe
(21) several heat exchange stations (22) are provided between.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820699058.3U CN208205154U (en) | 2018-05-11 | 2018-05-11 | A kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system |
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| CN201820699058.3U CN208205154U (en) | 2018-05-11 | 2018-05-11 | A kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system |
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| CN208205154U true CN208205154U (en) | 2018-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386892A (en) * | 2018-05-11 | 2018-08-10 | 史凤林 | A kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system |
| CN112178732A (en) * | 2020-09-05 | 2021-01-05 | 万江新能源集团有限公司 | Heat storage device of heat supply system |
-
2018
- 2018-05-11 CN CN201820699058.3U patent/CN208205154U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386892A (en) * | 2018-05-11 | 2018-08-10 | 史凤林 | A kind of efficiently decontamination mixed heat exchanger and great temperature difference heat supply system |
| CN108386892B (en) * | 2018-05-11 | 2023-10-03 | 史凤林 | Efficient decontamination hybrid heat exchanger and large-temperature-difference heating system |
| CN112178732A (en) * | 2020-09-05 | 2021-01-05 | 万江新能源集团有限公司 | Heat storage device of heat supply system |
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Effective date of registration: 20210408 Address after: 150086 the second floor of No.1 commercial clothing, floor 1-2, No.41 Qianwei street, Nangang District, Harbin City, Heilongjiang Province Patentee after: HEILONGJIANG FUEN DERUI ENERGY TECHNOLOGY Co.,Ltd. Address before: No.31, Gongyi street, Daowai District, Harbin City, Heilongjiang Province Patentee before: Shi Fenglin |