CN104990292A - Waste heat recovery device for heat supply well head - Google Patents
Waste heat recovery device for heat supply well head Download PDFInfo
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- CN104990292A CN104990292A CN201510335820.0A CN201510335820A CN104990292A CN 104990292 A CN104990292 A CN 104990292A CN 201510335820 A CN201510335820 A CN 201510335820A CN 104990292 A CN104990292 A CN 104990292A
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Abstract
The invention discloses a waste heat recovery device for a heat supply well head. The waste heat recovery device comprises a steam heat exchange unit, a heat storage unit, a defending unit and a steam collecting unit; the steam heat exchange unit comprises a cylindrical barrel, the heat storage unit is at least one fan-shaped storage groove, and the storage groove is arranged outside the cylindrical barrel in a sleeving mode; the steam collecting unit is an inverted hopper for guiding and gathering steam, an upper opening on the hopper is connected with the bottom face of the cylindrical barrel of the steam heat exchange unit, the defending unit is a cylinder barrel, and a channel door for closing a channel is arranged on the cylinder barrel; and the steam heat exchange unit, the heat storage unit and the steam collecting unit are all arranged in the cylinder barrel, the top face of the cylindrical barrel extends to the outside of the cylinder barrel, and a lower hole of the hopper of the steam collecting unit is connected with the bottom face of the cylinder barrel. Heating power recovery is carried out on steam generated at the heat supply well head, and the recovery rate ranges from 55% to 85% according to different user temperatures.
Description
Technical field
The invention belongs to energy recovery technical field, be specifically related to a kind of heat supply well head waste-heat recoverer.
Background technology
Winter heat supply is the basic measures that one, northern area government ensures the life of the basic people's livelihood, and lays the mode that heating pipe various places adopt and only have nothing but two kind first for method of directly burring, and second lays method two kinds for ground-based duct.But any no matter in these two kinds of modes, it all exists once after insulation material contacts with water or lost heat insulation effect by water permeation, produce one wonder in the winter time---and well head is sprayed.This fog overwhelming majority is consumed energy by heat supply pipeline of 75 DEG C ~ 95 DEG C to produce, and this power consumption is passive and irreversible.And this consumption very large waste beyond doubt, and all there is the accident that resident is scalded by heat supply pipeline maintenance well head in various places.Some heating enterprises are taked to lay a device being similar to small-sized chimney at well head and are arranged hot gas in the height higher than Human Height under this background, and other heating enterprise does not helplessly just take any conduct to this.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of heat supply well head waste-heat recoverer.
For achieving the above object, technical scheme of the present invention is achieved in that
The embodiment of the present invention provides a kind of heat supply well head waste-heat recoverer, and this recover comprises: steam heat-exchanging unit, heat storage units, defendance unit, vapor collection unit, described steam heat-exchanging unit comprises cylindrical tube, described heat storage units is the storage tank of at least one segment, it is external that described storage tank is set in cylindrical tube, described vapor collection unit is the funnel of an inverted guiding polymerizing steam, the upper perforate of described funnel is connected with the bottom surface of the cylindrical tube of described steam heat-exchanging unit, described defendance Dan Weiyi cylindrical tube, described cylindrical tube is provided with the access door for close passage, described steam heat-exchanging unit, heat storage units, vapor collection unit is all arranged in cylindrical tube, the end face of the cylindrical tube of described steam heat-exchanging unit extends to outside cylindrical tube, the lower perforate of the funnel of described vapor collection unit is connected with the bottom surface of cylindrical tube.
In such scheme, the fin helical form conduit that described cylindrical tube inwall helically rising form is arranged, be arranged on several fins in fin helical form conduit, it is arc deep bead that the top of described cylindrical tube is provided with at least one shape, when described deep bead arranges four pieces, the horizontal relative position of every block deep bead is that to be adjacent that position string intersects be 90 ° to string, and every bar chordal distance center of circle is the length of 57% of radius, its relative altitude is first piece of position for distance top mouth 30 ~ 40mm, second piece of position being distance and pushing up mouth 50 ~ 80mm, the position of the 3rd piece of distance top mouth 70 ~ 100mm, the position of the 4th piece of distance top mouth 130 ~ 160mm.
In such scheme, described cylindrical tube outer wall arranges at least one contact from top to bottom, and described contact is an elliptical shaped lobes, when arranging four contacts, is in four positive directions respectively at level angle; The shape of described four contacts is ellipse.
In such scheme, in described cylindrical tube, at least one electric generator is set from top to bottom, when arranging three electric generators, first generator is positioned at the distance at cylindrical tube top 1/8, it is 35 ° with the angle of horizontal plane, and the second generator is positioned at the distance at cylindrical tube top 2/8, and it is 160 ° with the angle of horizontal plane, 3rd generator is positioned at the distance at cylindrical tube top 3/8, and the angle of its horizontal plane is 15 °.
In such scheme, the cylindrical tube that described storage tank is set in steam heat-exchanging unit is external, and the corresponding contact of each storage tank is installed, and the bottom of described storage tank arranges the rail groove for rotating storage tank; When described storage tank is four, without any connection between four storage tanks, and do not contact each other, and four contact heat exchange of four storage tank correspondences and steam heat-exchanging unit.
In such scheme, between the cylindrical tube of described defendance unit and the storage tank of heat storage units, be provided with adiabator layer.
In such scheme, between described heat storage units, vapor collection unit, be provided with push unit, described push unit comprises the clockwork spring that outer shape is bevel gear, first ball slideway, second ball slideway, gear train, gear, lower bevel gear, described second ball slideway is positioned at the side of storage tank, described lower umbrella shape geared sleeve is located on the second ball slideway, described lower bevel gear is connected by the contact of the first ball slideway with the access door on defendance unit, below described storage tank and between the funnel of vapor collection unit, the clockwork spring that outer shape is bevel gear is set, described storage tank bottom side is provided with tooth bar, described rack and pinion group engagement, the outside of described gear train is connected with gear, described gear and the lower umbrella shape gears meshing be positioned at below the second ball slideway.
Compared with prior art, beneficial effect of the present invention:
The present invention carries out heating power recovery to the steam that heat supply well head (or other heating power type well heads) produces, according to its rate of recovery of difference of user's temperature up to 55% ~ 85%.And carry the temperature of gas entirety all lower than 35 DEG C at the steam after absorbing, wherein the condensation of the moisture overwhelming majority returns in down-hole.
Accompanying drawing explanation
Fig. 1 provides a kind of structural representation of heat supply well head waste-heat recoverer for the embodiment of the present invention;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 provides a kind of structural representation of fin of heat supply well head waste-heat recoverer for the embodiment of the present invention;
Fig. 4 provides a kind of structural representation of storage tank of heat supply well head waste-heat recoverer for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The embodiment of the present invention provides a kind of heat supply well head waste-heat recoverer, as shown in Figure 1, 2, comprising: steam heat-exchanging unit 1, heat storage units 2, defendance unit 3, vapor collection unit 4;
Described steam heat-exchanging unit 1 comprises cylindrical tube 101, the fin helical form conduit 102 that cylindrical tube 101 inwall helically rising form is arranged, be arranged on several fins 103 in fin helical form conduit 102, it is arc deep bead 104 that the top of described cylindrical tube 101 is provided with at least one shape, when described deep bead 104 arranges four pieces, the horizontal relative position of every block deep bead 104 is that to be adjacent that position string intersects be 90 ° to string, and every bar chordal distance center of circle is the length of 57% of radius, its relative altitude is first piece of position for distance top mouth 30 ~ 40mm, second piece of position being distance and pushing up mouth 50 ~ 80mm, the position of the 3rd piece of distance top mouth 70 ~ 100mm, the position of the 4th piece of distance top mouth 130 ~ 160mm,
Described cylindrical tube 101 outer wall arranges at least one contact 105 from top to bottom, described contact 105 is an elliptical shaped lobes, when arranging four contacts 105, be in four positive directions viewed from level angle respectively, its numbering of arranging counterclockwise is followed successively by the first contact, the second contact, the 3rd contact, the 4th contact, in four contacts, it is the highest that first contact is that electric energy turns its temperature of thermal contact, the nearest temperature second of 4th contact distance well head is high, 3rd contact position is secondary, and why temperature control the three, four contact temperature is minimum; First contact utilizes the thermal different type of steam to flow through generator and electric heating converter carries out heat supply to the first contact, and the second contact, the 3rd contact, the 4th contact are all carry out contact heat trnasfer by direct and steam to carry out absorption heat.The shape of four contacts is ellipse, and the shortest diameter is perpendicular to the height of Part I, and the shortest diameter is 3 π r/10(r is Part I radius), and area formula F=Q/(K K* △ t
m);
At least one electric generator 106 is set in described cylindrical tube 101 from top to bottom, when arranging three electric generators 106, first generator is positioned at the distance at cylindrical tube 101 top 1/8, it is 35 ° with the angle of horizontal plane, second generator is positioned at the distance at cylindrical tube 101 top 2/8, it is 160 ° with the angle of horizontal plane, and the 3rd generator is positioned at the distance at cylindrical tube 101 top 3/8, and the angle of its horizontal plane is 15 °; Described three electric generators 106 are the first contact provides energy, and can also can suitably add and subtract as the case may be, its quantity too much can increase cost, and the heat that lazy weight then provides can be had a greatly reduced quality; Because vapor (steam) temperature is higher than external environment, produce a streaming potential upwards, this plume kinetic potential drives the blade of electric generator 106, makes electric generator 106 produce electric energy, and electric generator 106 produce the heat energy that electric energy changes into by electric heater again, finally supply to the first contact; As shown in Figure 3, the centralized heat energy of tackling is passed to contact by the fin 103 be connected in every part by described second contact, the 3rd contact, the 4th contact, fin 103 on each contact does not contact each other, and the helically rising shape arrangement of fin 103 entirety, each fin 103 by the tube wall of cylindrical tube 101 to die direction horizontal extension, and the length of each fin 103 is 15% ~ 85% lack of alignment do not waited of cylindrical tube 101 radius, and the gap between described contact 105, fin 103 is the distance of 50 ~ 150mm.
Described heat storage units 2 is the storage tank 201 of at least one segment, described storage tank 201 is set in outside the cylindrical tube 101 of steam heat-exchanging unit 1, the corresponding contact 105 of each storage tank 201 is installed, and the bottom of described storage tank 201 arranges the rail groove for rotating storage tank 201, when described storage tank 201 is four, without any connection between four storage tanks 201, and do not contact each other, and four contact 105 contact heat-exchangings of four storage tank 201 correspondences and steam heat-exchanging unit 1, position corresponding to the first contact is the first storage tank, and position corresponding to the second contact is the second storage tank, and position corresponding to the 3rd contact is the 3rd storage tank, and position corresponding to the 4th contact is the 4th storage tank, due to corresponding first contact of the first storage tank, so the heat energy of the first storage tank position is the highest, temperature is also the highest, the heat energy of the 4th storage tank position takes second place, the heat energy of the 3rd storage tank position again, the heat energy of the second storage tank position is minimum, so only take the storage tank 201 of the first storage tank position when taking, after the storage tank of the first location of tank is removed, add new storage tank 201, rail groove is utilized to push in the storage tank process of the first storage tank position, storage tank 201 in the first storage tank position newly added is pushed the second storage tank position, the storage tank 201 of the second storage tank position pushes the 3rd storage tank position, the storage tank 201 of the 3rd storage tank position pushes the 4th storage tank position, the storage tank 201 of the 4th storage tank position pushes the first storage tank position, like this, the storage tank 201 newly put into first is accepted the temperature of low product warm area, improve successively, finally enter highest temperature district to be heated, use is pulled away after the full heat of storage.
As shown in Figure 4, the material of the inner arc surface of described storage tank 201 is metal or superconductor fibre etc., and other parts are plastics, in described storage tank 201 packing material be can the phase-change material of heat accumulation or other, described phase-change material is fixed on metal grating, when making phase-change material filled type metal grating, metal grating is placed in plane, the material of melting is poured in the grid of metal grating, after hierarchical sequence piles up filling slowly after cooling, storage tank sealed and vacuumize, to be assembled, lattice in metal grating is square little lattice, and the computing formula of its length of side is: (diameter of the diameter-cylindrical tube 101 of storage tank 201)/K
coefficient, K
coefficientby volume size, value determines that the general value of its value is between 21 ~ 74), every lattice length of side that horizontal line on described metal grating and vertical curve are often staggered between one deck and lower one deck about 15% ~ 60% distance, like this, make temperature inner from contact surface more even, and effectively can solve the various problems of phase-change material: 1. crystalline hydrate repeatedly dewaters after phase transformation, heat storage capacity is caused significantly to decline after precipitation, What is more thoroughly can lose heat storage capacity, and after the intersection that is staggered of metal grating makes phase-change material undergo phase transition, this molten state material that just locomotivity is weak because viscosity is large more cannot flow in the passage of entanglement, namely the phase-change material while phase transformation in each lattice is in a little space relatively, while phase transformation, anhydrous salt fully can dissolve in its crystallization water.2. phase transformation material heat conduction is slow, phase-change material self heat conduction bad (for its material behavior determines), but in grid, the metal partion (metp) of surrounding all can heat conduction, so Whole Equipment can be made to keep good uniformity.3. cold problem crossed by phase-change material, crossing cold problem is prevalent in the research wanting to become material, but found by a large amount of experiments, cold problem crossed by phase-change material (except formulation challenges) when volume more serious, phase-change material in grid itself is in one very in narrow space, significantly can reduce over the generation of cold problem like this.
Described vapor collection unit 4 is an inverted funnel, and for guiding polymerizing steam, the upper perforate of described funnel is connected with the bottom surface of the cylindrical tube 101 of described steam heat-exchanging unit 1.
Described defendance unit 3 is a cylindrical tube, described cylindrical tube is provided with the access door for close passage, described steam heat-exchanging unit 1, heat storage units 2, vapor collection unit 4 is all arranged in cylindrical tube, the end face of the cylindrical tube 101 of described steam heat-exchanging unit 1 extends to outside cylindrical tube, the lower perforate of the funnel of described vapor collection unit 4 is connected with the bottom surface of cylindrical tube, adiabator layer is provided with between the storage tank 201 of described cylindrical tube and heat storage units 2, the Material selec-tion of described adiabator layer needs to obtain according to residing environment comprehensive analysis, due to the heat-insulating property difference to some extent of various insulation material, advise used in combination with multiple different insulation material layering, prove that the kind of insulation material is 2 ~ 5 kinds of optimums by lot of experimental data, and every two kinds of insulation material fronts are high reflecting rate, the back side is that the aluminum plastic film of ater is pasted two-layer, can to greatest extent the storage tank of part 2 be incubated like this, wherein high reflecting rate is towards interior sticky glutinous, and being incubated material all sticks in cylindrical tube inwall, and leave the gap of 1 ~ 3cm between storage tank 201, the distributing order of this heat insulating material for external is by descending the sticking by cylindrical tube inwall is sticky successively to storage tank 201 direction of the thermal conductivity of selected materials.
Push unit 5 is provided with between described heat storage units 2, vapor collection unit 4, its effect provides slideway when the storage tank of the first storage tank position picking and placeing heat storage units 2 for it, and store the push-and-pull potential energy picking and placeing heat storage units 2, when safeguarding unit 3 access door to close unblock, utilizing storage of potential energy to promote storage tank 201 and sliding into appointment slot.
Described push unit 5 comprises the clockwork spring 501 that outer shape is bevel gear, first ball slideway 504, second ball slideway 505, gear train 502, gear 503, lower bevel gear 506, described second ball slideway 505 is positioned at the side of storage tank 201, described lower bevel gear 506 is set on the second ball slideway 505, described lower bevel gear 506 is connected by the contact of the first ball slideway 504 with the access door on defendance unit 3, the clockwork spring 501 that outer shape is bevel gear is set below described storage tank 201 and between the funnel of vapor collection unit 4, described storage tank 201 bottom side is provided with tooth bar 202, described tooth bar 202 engages with gear train 502, the outside of described gear train 502 is connected with gear 503, described gear 503 engages with the lower bevel gear 506 be positioned at below the second ball slideway 505.
The course of work of described push unit 5 is as follows: 1. open access door, utilizes tie point power to be passed to the connecting rod be fixed on the first ball slideway 504, drives the lower bevel gear 506 be fixed on the second ball slideway 505 to drop to B position from A position; 2. gear 503 and clockwork spring 501 link with the lower bevel gear 506 being slid to B position; 3. storage tank 201 is pulled, because tooth bar 202 is all arranged at storage tank 201 bottom, the rotation of meeting driven gear group 502 when utilizing tooth bar 202 to slide, but gear train 502 is all the gear studding with individual event bearing, when pulling storage tank 201, gear train 502 be with bearing consistent with pulling direction active force, so now do not produce active force; 4. storage tank 201 is changed; 5. push storage tank 201, now gear train 502 be with bearing to be phase reverse direction with active force, between gear, mutual driven rotary, passes to gear 503 by revolving force; 6. described gear train 502 rotates, by the lower bevel gear 506 that is in B position by force transmission to outside be clockwork spring 501; 7. described clockwork spring 501 produces potential energy due to rotation; 8. closed by access door, after the lower bevel gear 50 be now on the second ball slideway 505 rises to A position from B position, storage tank is pushed to relevant position after unlocking by device.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (7)
1. a heat supply well head waste-heat recoverer, is characterized in that, this recover comprises: steam heat-exchanging unit (1), heat storage units (2), defendance unit (3), vapor collection unit (4), described steam heat-exchanging unit (1) comprises cylindrical tube (101), the storage tank (201) that described heat storage units (2) is at least one segment, (201 are set in cylindrical tube (101) outward to described storage tank, described vapor collection unit (4) is the funnel of an inverted guiding polymerizing steam, the upper perforate of described funnel is connected with the bottom surface of the cylindrical tube (101) of described steam heat-exchanging unit (1), described defendance unit (3) is a cylindrical tube, described cylindrical tube is provided with the access door for close passage, described steam heat-exchanging unit (1), heat storage units (2), vapor collection unit (4) is all arranged in cylindrical tube, the end face of the cylindrical tube (101) of described steam heat-exchanging unit (1) extends to outside cylindrical tube, the lower perforate of the funnel of described vapor collection unit (4) is connected with the bottom surface of cylindrical tube.
2. heat supply well head waste-heat recoverer according to claim 1, it is characterized in that: the fin helical form conduit (102) that described cylindrical tube (101) inwall helically rising form is arranged, be arranged on several fins (103) in fin helical form conduit (102), it is arc deep bead (104) that the top of described cylindrical tube (101) is provided with at least one shape, when described deep bead (104) arranges four pieces, the horizontal relative position of every block deep bead (104) is that to be adjacent that position string intersects be 90 ° to string, and every bar chordal distance center of circle is the length of 57% of radius, its relative altitude is first piece of position for distance top mouth 30 ~ 40mm, second piece of position being distance and pushing up mouth 50 ~ 80mm, the position of the 3rd piece of distance top mouth 70 ~ 100mm, the position of the 4th piece of distance top mouth 130 ~ 160mm.
3. heat supply well head waste-heat recoverer according to claim 1 and 2, it is characterized in that: described cylindrical tube (101) outer wall arranges at least one contact (105) from top to bottom, described contact (105) is an elliptical shaped lobes, when arranging four contact (105), be in four positive directions respectively at level angle; The shape of described four contacts is ellipse.
4. heat supply well head waste-heat recoverer according to claim 3, it is characterized in that: at least one electric generator (106) is set in described cylindrical tube (101) from top to bottom, when arranging three electric generator (106), first generator is positioned at the distance at cylindrical tube (101) top 1/8, it is 35 ° with the angle of horizontal plane, second generator is positioned at the distance at cylindrical tube (101) top 2/8, it is 160 ° with the angle of horizontal plane, 3rd generator is positioned at the distance at cylindrical tube (101) top 3/8, the angle of its horizontal plane is 15 °.
5. heat supply well head waste-heat recoverer according to claim 4, it is characterized in that: described storage tank (201) is set in the cylindrical tube (101) of steam heat-exchanging unit (1) outward, the corresponding contact (105) of each storage tank (201) is installed, and the bottom of described storage tank (201) arranges the rail groove for rotating storage tank (201); When described storage tank (201) is four, without any connection between four storage tanks (201), and do not contact each other, and four contact (105) contact heat-exchangings of four storage tank (201) correspondences and steam heat-exchanging unit (1).
6. heat supply well head waste-heat recoverer according to claim 5, is characterized in that: be provided with adiabator layer between the cylindrical tube of described defendance unit (3) and the storage tank (201) of heat storage units (2).
7. heat supply well head waste-heat recoverer according to claim 6, is characterized in that: be provided with push unit (5) between described heat storage units (2), vapor collection unit (4), described push unit (5) comprises the clockwork spring (501) that outer shape is bevel gear, first ball slideway (504), second ball slideway (505), gear train (502), gear (503), lower bevel gear (506), described second ball slideway (505) is positioned at the side of storage tank (201), described lower bevel gear (506) is set on the second ball slideway (505), described lower bevel gear (506) is connected by the contact of the first ball slideway (504) with the access door in defendance unit (3), between described storage tank (201) below and the funnel of vapor collection unit (4), the clockwork spring (501) that outer shape is bevel gear is set, described storage tank (201) bottom side is provided with tooth bar (202), described tooth bar (202) engages with gear train (502), the outside of described gear train (502) is connected with gear (503), described gear (503) engages with the lower bevel gear (506) being positioned at the second ball slideway (505) below.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510335820.0A CN104990292B (en) | 2015-06-17 | 2015-06-17 | Heat supply well head waste-heat recoverer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510335820.0A CN104990292B (en) | 2015-06-17 | 2015-06-17 | Heat supply well head waste-heat recoverer |
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| CN104990292A true CN104990292A (en) | 2015-10-21 |
| CN104990292B CN104990292B (en) | 2017-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120985A (en) * | 2016-02-24 | 2017-09-01 | 中国石油化工股份有限公司 | Heat sink |
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| CN1892145A (en) * | 2005-10-04 | 2007-01-10 | 庞立升 | Split self-circulation solar heat energy apparatus |
| CN201827962U (en) * | 2010-10-11 | 2011-05-11 | 崔博然 | Closed pipeline system for reusing hot steam |
| CN202281419U (en) * | 2011-10-15 | 2012-06-20 | 太原炬能再生能源供热有限公司 | Mine ventilation air and waste heat utilization device |
| EP2669514A1 (en) * | 2011-01-30 | 2013-12-04 | Yuqi Chen | Solar heat storage and high temperature gas generating system with working medium being flowing sand |
| CN103574734A (en) * | 2013-11-12 | 2014-02-12 | 江苏大学 | Nuclear energy heating system based on loop heat pipe heat dissipation |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1892145A (en) * | 2005-10-04 | 2007-01-10 | 庞立升 | Split self-circulation solar heat energy apparatus |
| CN201827962U (en) * | 2010-10-11 | 2011-05-11 | 崔博然 | Closed pipeline system for reusing hot steam |
| EP2669514A1 (en) * | 2011-01-30 | 2013-12-04 | Yuqi Chen | Solar heat storage and high temperature gas generating system with working medium being flowing sand |
| CN202281419U (en) * | 2011-10-15 | 2012-06-20 | 太原炬能再生能源供热有限公司 | Mine ventilation air and waste heat utilization device |
| CN103574734A (en) * | 2013-11-12 | 2014-02-12 | 江苏大学 | Nuclear energy heating system based on loop heat pipe heat dissipation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107120985A (en) * | 2016-02-24 | 2017-09-01 | 中国石油化工股份有限公司 | Heat sink |
| CN107120985B (en) * | 2016-02-24 | 2019-10-29 | 中国石油化工股份有限公司 | Cooling device |
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| CN104990292B (en) | 2017-03-29 |
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