CN207569887U - A kind of incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase change heat exchange device - Google Patents
A kind of incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase change heat exchange device Download PDFInfo
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- CN207569887U CN207569887U CN201721623325.0U CN201721623325U CN207569887U CN 207569887 U CN207569887 U CN 207569887U CN 201721623325 U CN201721623325 U CN 201721623325U CN 207569887 U CN207569887 U CN 207569887U
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Abstract
The utility model belongs to field of energy-saving technology, provides a kind of incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase change heat exchange device, including：Phase change cryogenic epimere is arranged on the outside of flue；Phase change cryogenic hypomere is arranged on side of the inside close to exhanst gas outlet of flue, is connected with phase change cryogenic epimere, and transmits heat by the circulatory mediator that cyclic flows between phase change cryogenic epimere and phase change cryogenic hypomere；Phase transformation evaporator section is arranged on the outside of flue, to receive the heat transmitted from phase transformation high temperature hypomere；Phase transformation high temperature hypomere is arranged on the inside of flue, and positioned at the weather of phase change cryogenic hypomere；Phase transformation high temperature hypomere is connected with phase transformation evaporator section, and transmits heat by the circulatory mediator that cyclic flows between phase transformation high temperature hypomere and phase transformation evaporator section；Self-con-tained unit, to control the wall temperature of the phase transformation hypomere.The device can effective Mist heat recovering, and the temperature of flue gas is controlled to effectively prevent the acid dew corrosion of flue higher than acid dew point.
Description
Technical field
The utility model belongs to field of energy-saving technology, more particularly to a kind of incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase-change heat-exchange
Device.
Background technology
Tail gas from incinerator processing unit purifies tail gas using tail gas hydrogenation reduction-absorption process, and tail gas burns part
Using thermal incineration technique, reach suitable reaction temperature by supplementing fuel gas in tail gas burning furnace, tail gas and device are produced
Remaining sulfur-containing compound is further oxidized to SO in raw exhaust gas2After be emitted into air to meet environmental requirement.Due to tail gas
In contain sulfide, when design and actual motion, for flue gas acid dew point is avoided to corrode, cause exhaust gas temperature higher, superheater goes out
Mouth exhaust gas temperature is commonly 250 DEG C, sometimes also higher so that flue gas heat loss is larger.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of incinerator smoke waste heat profit
With intelligent phase change heat exchange device, including phase transformation section, phase transformation evaporator section, phase transformation high temperature hypomere and self-con-tained unit, wherein：
The phase transformation section includes phase change cryogenic epimere and phase change cryogenic hypomere, and the phase change cryogenic epimere is arranged on flue
It is external；
The phase change cryogenic hypomere is arranged on side of the inside close to exhanst gas outlet of flue, the phase change cryogenic hypomere with
The phase change cryogenic epimere is connected, and passes through the cyclic stream between the phase change cryogenic epimere and the phase change cryogenic hypomere
Dynamic circulatory mediator transmits heat；
The phase transformation evaporator section is arranged on the outside of flue, to receive what is transmitted from the phase transformation high temperature hypomere
Heat；
The phase transformation high temperature hypomere is arranged on the inside of flue, and positioned at the weather of the phase change cryogenic hypomere；It is described
Phase transformation high temperature hypomere is connected with the phase transformation evaporator section, and by between the phase transformation high temperature hypomere and the phase transformation evaporator section
The circulatory mediator of cyclic flowing transmits heat；
The self-con-tained unit and the phase change cryogenic epimere, the phase change cryogenic hypomere, the phase transformation evaporator section and institute
It states phase transformation high temperature hypomere to be connected, to control the wall temperature of the phase transformation hypomere.
Preferably, one end of the phase change cryogenic epimere has water inlet, for the relatively low water of input temp, other end tool
There is water outlet, for exporting the hot water after phase change cryogenic epimere heating.
Preferably, the water outlet of the phase change cryogenic epimere is also connected with hot-water line, so as to which extra delivery be arrived
Hot water pipe net.
Preferably, one end of the phase transformation evaporator section has water inlet, the water inlet and the phase change cryogenic epimere
Water outlet is connected, to receive the water from the phase change cryogenic epimere；The other end has steam (vapor) outlet, for exporting through pervaporation
The steam of formation.
Preferably, the self-con-tained unit includes thermal resistance instrument and DCS system.
Incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase change heat exchange device provided by the utility model can be effectively more than recovered flue gas
Heat, and exhaust gas temperature is accurately controlled according to the acid dew-point temperature of flue gas, it effectively prevent acid dew corrosion.
Other feature and advantage of the utility model will be in following specific embodiment part detailed description.
Description of the drawings
Fig. 1 is the incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase-change heat-exchange that a specific embodiment of the utility model provides
The structure diagram of device.
Wherein, the reference numerals are as follows in figure：
1- phase change cryogenic epimeres, 2- phase change cryogenic hypomeres, 3- phase transformation high temperature hypomeres, 4- phase transformation evaporator sections, 5- flues, 6- heat
Water pipe.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
The embodiment of type is described in further detail.It should be understood that the specific embodiments described herein are only used for
Bright and explanation the utility model, is not intended to limit the utility model.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.Can be wired connection or wireless connection for electricity and the communications field.For
For those of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
With reference to figure 1, the utility model provides a kind of incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase change heat exchange device, including phase
Become low-temperature zone, phase transformation evaporator section, phase transformation high temperature hypomere and self-con-tained unit.
Phase change cryogenic section includes phase change cryogenic epimere 1 and phase change cryogenic hypomere 2.
Phase change cryogenic epimere 1 is arranged on the outside of flue 5.Phase change cryogenic epimere 1 is for the relatively low water of heating temperature, phase transformation
One end of low temperature epimere 1 has water inlet, and for the relatively low water of input temp, the other end has water outlet, passes through for exporting
Hot water after the heating of phase change cryogenic epimere 1.
Phase change cryogenic hypomere 2 is arranged on the inside of flue 5 close to the side of exhanst gas outlet (i.e. back-end ductwork).Phase change cryogenic
Hypomere 2 is connected with phase change cryogenic epimere 1, and by between phase change cryogenic epimere 1 and phase change cryogenic hypomere 2 cyclic flow
Circulatory mediator transmit heat so that phase change cryogenic hypomere 2 can absorb the heat of the flue gas in flue 5, and will absorb
Heat be transferred in phase change cryogenic epimere 1, for the relatively low water of heating temperature；In the water transfer into phase change cryogenic epimere 1
While heat, the temperature of flue gas is reduced.
In order to preferably adjust the hot water amount into phase transformation evaporator section 4, the water outlet of phase change cryogenic epimere 1 can also be with warm
Water pipe 6 is connected, thus by extra delivery to hot water pipe net, for other purposes.
In a kind of concrete application example, after the heating of phase change cryogenic epimere 1, the cold water of room temperature can be by heating shape
Into 130 DEG C or so of hot water；Meanwhile flue gas, after the heat exchange of phase change cryogenic hypomere 2, the temperature of flue gas can be from 180 DEG C of drops
Between 155-170 DEG C.
Phase transformation evaporator section 4 is arranged on the outside of flue 5, to receive the heat transmitted from phase transformation high temperature hypomere 3.
In a kind of specific embodiment, one end of phase transformation evaporator section 4 has water inlet, which goes out with phase change cryogenic epimere 1
The mouth of a river is connected, to receive the water from phase change cryogenic epimere 1；The other end has steam (vapor) outlet, is formed for exporting through pervaporation
Steam.
Phase transformation high temperature hypomere 3 is arranged on the inside of flue 5, and is located at the weather of phase change cryogenic hypomere 2 (that is, and phase transformation
Low temperature hypomere 2 is compared further from the outlet of flue 5).Phase transformation high temperature hypomere 3 is connected with phase transformation evaporator section 4, and by mutually increasing
The circulatory mediator that cyclic flows between warm hypomere 3 and phase transformation evaporator section 4 transmits heat, so that phase transformation high temperature hypomere 3
The heat of the high-temperature flue gas in flue 5 can be absorbed, and the heat of absorption is transferred in phase transformation evaporator section 4, for further
Heat the hot water from phase change cryogenic epimere 1；While the water heat transfer into phase transformation evaporator section 4, the temperature of flue gas obtains
Preliminary reduction is arrived.
In a kind of concrete application example, after the heating of phase transformation evaporator section 4, phase change cryogenic epimere 1 can will be come from
130 DEG C of hot water be converted into 0.5MPa, 155.5 DEG C of saturated vapor；Meanwhile high-temperature flue gas is by phase transformation high temperature hypomere 3
After heat exchange, the temperature of flue gas can be reduced to 180 DEG C or so from 250 DEG C.The saturation formed after the heating of phase transformation evaporator section 4
Steam can be pipelined to public pipeline, for other purposes.
Self-con-tained unit (not shown) and phase change cryogenic epimere 1, phase change cryogenic hypomere 2, phase transformation evaporator section 4 and phase transformation high temperature
Hypomere 3 is connected, so as to acquire the temperature of the water of the inlet and outlet of the temperature of the flue gas in flue 5, phase change cryogenic epimere 1
Degree, the wall temperature of phase change cryogenic hypomere 2, the temperature of circulatory mediator, the amount of hot water in phase transformation evaporator section 4 are increased with temperature and mutually
The data such as the wall temperature of warm hypomere 3, and phase transformation is passed through according to the relatively low water of the flowing velocity of these data point reuse circulatory mediators, temperature
Hot water in the flow of low temperature epimere 1, phase change cryogenic epimere 1 enters flow velocity and flow of phase transformation steam generation section 4 etc., so as to control
The wall temperature (i.e. the flue-gas temperature in 5 exit of flue) of phase change cryogenic hypomere 2 processed is consistently higher than the acid dew-point temperature of fuel, so as to protect
Card heat exchanger is not condensed, is not corroded, safe operation.Specifically, self-con-tained unit can including thermal resistance etc. instrument and DCS system
(Distributed Control System dcs), so as to whole as acquisition using instrument such as thermal resistances
End, is converted to electric signal by collected above-mentioned signal and is input in DCS system, analyzes data using DCS system and issues control
Parameter command processed, and control parameter (such as the wall of phase change cryogenic hypomere 2 can be set by the operation interface of DCS system
Temperature), and then realize and the wall temperature closed loop, unmanned interference of phase change cryogenic hypomere 2 is automatically controlled.
Illustrate the incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase inversion of the utility model with specific Application Example below
Thermal.
The acid dew-point temperature of fuel is determined according to specific operating mode first, and using the temperature as under minimum phase change cryogenic
The control wall temperature input self-con-tained unit (such as being inputted by DCS system) of section 2.
For example, under in April, 2,014 4 operating conditions of Zhongyuan Oil Field Pu Guang branch companies natural gas plant tail gas burning furnace cigarette
Gas dew-point temperature testing result is as follows：
Operating mode 1 and operating mode 2：Respectively Unit 121 and Unit 142 (Unit 121, Unit 142 refer to the position number of device, under
131, the 111 and F-301 in face is also same meaning) accidental conditions at full capacity, survey SO2Content average value is respectively
50ppm and 80ppm or so, flue gas acid dew point temperature measured value are respectively 80 DEG C and 90 DEG C or so of ＜.
Operating mode 3：The 131 non-state of cyclic operation of unit tail gas absorption tower C-402 amine liquid, a large amount of H in tail gas2S is not inhaled by amine liquid
It receives, is directly entered tail gas burning furnace and burns, SO under this operating mode2Content measured value 5800ppm or so, two test mouth flue gas acid dew points
Temperature measured value is respectively 168 DEG C and 169 DEG C.
Operating mode 4：Unit 111 add hydrogen partial not come into operation, and sulphur unit process gas is directly entered tail gas burning furnace under this operating mode,
H in tail gas2S contents are very high, SO in flue gas after burning2Content measured value is more than instrument range (＞ 8000ppm), and two test mouth cigarettes
Gas acid dew-point temperature measured value is respectively 230 DEG C and 228 DEG C.
As seen from the above, due to device operating condition difference, sulfide in flue gas content also has larger fluctuation, leads therewith
Flue gas acid dew point (flue gas acid dew point refers to be formed at a temperature of this temperature spot of corrosion) is caused to change greatly.
After high-temperature flue gas first passes around phase transformation high temperature hypomere 3, high temperature is absorbed by the circulatory mediator in phase transformation high temperature hypomere 3
Heat in flue gas so that the temperature of high-temperature flue gas tentatively reduces；Then flue gas is by after phase change cryogenic hypomere 2, heat passes
Pass the circulatory mediator that in phase change cryogenic epimere 1 and phase change cryogenic hypomere 2 cyclic flows, and by circulatory mediator by heat
The cold water from the water inlet entrance of phase change cryogenic epimere 1 is passed in phase change cryogenic epimere 1 so that the temperature of flue gas is further
It reduces.Cold water becomes hot water, and flow out from the water outlet of phase change cryogenic epimere 1 after absorbing heat.As needed, a part of hot water
Other purposes can be flowed out to by hot-water line 6, other hot water can enter phase transformation evaporator section 4, and inscribed in phase transformation evaporator section 4
The heat that the circulatory mediator from phase transformation high temperature hypomere 3 is brought is received, so as to which the heat of 3 high-temperature flue gas of phase transformation high temperature hypomere will be passed through
It absorbs.It in above process, can will be by the temperature of the flue gas after phase change cryogenic hypomere 2 by the control of self-con-tained unit
(wall temperature of phase change cryogenic hypomere 2) is controlled on the acid dew point of flue gas.
It is in fact possible to the water for only controlling the temperature heated by phase change cryogenic epimere 1 relatively low by self-con-tained unit
The control of the wall temperature to phase change cryogenic hypomere 2 can be realized in flow and flow rate so that the temperature of the flue gas at flue outlet is higher than
The acid dew-point temperature of flue gas, while avoid the acid dew corrosion of flue and phase change cryogenic hypomere 2.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, all things considered are all merely illustrative, and are not only
's.It is all in the scope of the utility model or in the change being equal in the scope of the utility model by the utility model packet
Contain.
Claims (5)
1. a kind of incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase change heat exchange device, including under phase transformation section, phase transformation evaporator section, phase transformation high temperature
Section and self-con-tained unit, wherein：
The phase transformation section includes phase change cryogenic epimere and phase change cryogenic hypomere, and the phase change cryogenic epimere is arranged on the outer of flue
Portion；
The phase change cryogenic hypomere is arranged on side of the inside close to exhanst gas outlet of flue, the phase change cryogenic hypomere with it is described
Phase change cryogenic epimere is connected, and passes through the cyclic flowing between the phase change cryogenic epimere and the phase change cryogenic hypomere
Circulatory mediator transmits heat；
The phase transformation evaporator section is arranged on the outside of flue, to receive the heat transmitted from the phase transformation high temperature hypomere
Amount；
The phase transformation high temperature hypomere is arranged on the inside of flue, and positioned at the weather of the phase change cryogenic hypomere；The phase transformation
High temperature hypomere is connected with the phase transformation evaporator section, and by round-trip between the phase transformation high temperature hypomere and the phase transformation evaporator section
The circulatory mediator circulated transmits heat；
The self-con-tained unit and the phase change cryogenic epimere, the phase change cryogenic hypomere, the phase transformation evaporator section and the phase
Become high temperature hypomere to be connected, to control the wall temperature of the phase transformation hypomere.
2. the apparatus according to claim 1, it is characterised in that：
One end of the phase change cryogenic epimere has water inlet, and for the relatively low water of input temp, the other end has water outlet, uses
In hot water of the output after phase change cryogenic epimere heating.
3. the apparatus according to claim 1, which is characterized in that further include：
The water outlet of the phase change cryogenic epimere is also connected with hot-water line, thus by extra delivery to hot water pipe net.
4. the apparatus according to claim 1, it is characterised in that：
One end of the phase transformation evaporator section has water inlet, and the water inlet is connected with the water outlet of the phase change cryogenic epimere,
To receive the water from the phase change cryogenic epimere；The other end has steam (vapor) outlet, for exporting the steam formed through pervaporation.
5. the apparatus according to claim 1, it is characterised in that：
The self-con-tained unit includes thermal resistance instrument and DCS system.
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|---|---|---|---|
| CN201721623325.0U CN207569887U (en) | 2017-11-29 | 2017-11-29 | A kind of incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase change heat exchange device |
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| CN201721623325.0U CN207569887U (en) | 2017-11-29 | 2017-11-29 | A kind of incinerator smoke UTILIZATION OF VESIDUAL HEAT IN intelligence phase change heat exchange device |
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| CN207569887U true CN207569887U (en) | 2018-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708122A (en) * | 2019-03-08 | 2019-05-03 | 苏华建设集团有限公司 | Destruction heating apparatus |
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2017
- 2017-11-29 CN CN201721623325.0U patent/CN207569887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708122A (en) * | 2019-03-08 | 2019-05-03 | 苏华建设集团有限公司 | Destruction heating apparatus |
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