CN116336457B - Device and method for heating desalted water by utilizing residual heat of desulfurization slurry - Google Patents
Device and method for heating desalted water by utilizing residual heat of desulfurization slurry Download PDFInfo
- Publication number
- CN116336457B CN116336457B CN202211468163.3A CN202211468163A CN116336457B CN 116336457 B CN116336457 B CN 116336457B CN 202211468163 A CN202211468163 A CN 202211468163A CN 116336457 B CN116336457 B CN 116336457B
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- scraping
- pipeline
- desulfurization
- desulfurization slurry
- 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.)
- Active
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 74
- 230000023556 desulfurization Effects 0.000 title claims abstract description 74
- 239000002002 slurry Substances 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007790 scraping Methods 0.000 claims abstract description 72
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000002156 adsorbate Substances 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 230000003009 desulfurizing effect Effects 0.000 claims description 11
- 239000002918 waste heat Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/16—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways
- F22D1/18—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways and heated indirectly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/08—Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a device and a method for heating desalted water by utilizing the residual heat of desulfurization slurry, wherein the device for heating desalted water by utilizing the residual heat of desulfurization slurry comprises: the desulfurization device comprises a desulfurization tower, a heat exchange mechanism for carrying out heat exchange treatment on desulfurization slurry and desalted water, and a circulating pump for realizing circulating flow of the desulfurization slurry between the heat exchange mechanism and the desulfurization tower. The invention can be used for scraping and cleaning the adsorbate on the surface of the heat exchange pipeline by arranging the cleaning component, and the scraping ring is driven to continuously generate position change on the heat exchange pipeline in the process of driving the scraping component to reciprocate along the vertical direction by the power component, so that the scraping ring is always in a complete contact state with the straight pipe section and the bent pipe section, the function of continuously scraping and cleaning the straight pipe section and the bent pipe section of the heat exchange pipeline in sequence is realized, and the action range of the scraping component is further increased.
Description
Technical Field
The invention relates to the field of desulfurization slurry waste heat utilization, in particular to a device and a method for heating desalted water by utilizing desulfurization slurry waste heat.
Background
The desulfurization slurry is a solution for removing sulfur dioxide in flue gas, is generally prepared by adding water into limestone powder, and is contacted with discharged flue gas in a spraying mode when in use, the temperature of the desulfurization slurry can be raised after the desulfurization slurry is contacted with high-temperature flue gas, and the waste heat of the desulfurization slurry is utilized to heat desalted water, so that the desulfurization slurry waste heat utilization technology is a common desulfurization slurry waste heat utilization technology at present, and the technology mainly utilizes slurry waste heat to replace the steam consumption of a partial deaerator, so that the cascade utilization of energy can be realized, and the energy utilization rate is improved.
In the related art, a desulfurization slurry waste heat utilization technology is generally completed by adopting a desulfurization slurry waste heat heating desalting water device, and the working process is as follows: and conveying the sprayed desulfurization slurry piled at the lower end of the desulfurization tower to a heat exchange device, adding desalted water into a heat exchange tube in the heat exchange device, flowing the desulfurization slurry at high temperature in the heat exchange device, exchanging heat with the desalted water in the heat exchange tube, and finally heating the desalted water to a required temperature.
However, in the use process of the heat exchange device, because the desulfurization slurry is frequently contacted with the heat exchange pipeline, a certain adsorbate is generated on the surface of the heat exchange pipeline, in order to avoid the influence of the adsorbate on the heat exchange efficiency of the heat exchange pipeline, the adsorbate on the surface of the heat exchange pipeline needs to be cleaned regularly; if the cleaning component for the bent pipe part is independently arranged, the use cost of the cleaning component is increased, and excessive structures are arranged around the heat exchange pipeline, so that the heat exchange effect and the flow speed of internal desulfurization slurry are also influenced.
Disclosure of Invention
The invention provides a device for heating desalted water by utilizing the waste heat of desulfurization slurry, which solves the problem that an adsorbate cleaning component of a heat exchange pipeline can only singly clean a straight pipe part.
In order to solve the technical problems, the device for heating desalted water by using the residual heat of the desulfurization slurry provided by the invention comprises: the desulfurization tower, be used for carrying out the heat exchange treatment's of desulfurization thick liquid and demineralized water heat transfer mechanism and realization desulfurization thick liquid be in heat transfer mechanism with circulating pump that circulates between the desulfurization tower, heat transfer mechanism includes the box, be provided with on the heat transfer box and be the heat exchange pipeline that snakelike crooked set up, be provided with on the box and be used for right the clearance mechanism of heat exchange pipeline surface adsorbate clearance, clearance mechanism includes a plurality of strike off part and a plurality of power component that possess vertical direction reciprocating motion function, a plurality of strike off part is followed box length direction evenly arranges inside, a plurality of strike off part with a plurality of crooked sections one-to-one of heat exchange pipeline lower extreme sets up, through power component drives a plurality of strike off part is at vertical direction reciprocating motion simultaneously, make strike off the part can be right the absorption on crooked section and vertical section surface of heat exchange pipeline is cleared up respectively.
Preferably, the scraping component comprises a rack and a connecting cylinder vertically penetrating through and slidably mounted at the top of the box body, the rack is vertically and fixedly mounted at the lower end inside the box body, and the rack and the connecting cylinder are kept at the same vertical linear position; the bottom fixedly connected with connecting seat of connecting cylinder, the inboard of connecting seat with the rack is symmetry axis symmetry rotation is connected with two gear parts, two the gear part is kept away from the equal fixedly connected with support piece of its length direction is followed to the one end of connecting seat, sliding connection has the slider on the support piece, the slider is kept away from the one end rotation of support piece is connected with the cover and is established the striking off ring on heat transfer pipeline surface.
Preferably, a sliding rod is vertically and fixedly connected with the middle of the inner side wall of the supporting piece along the direction of the scraping ring, the sliding rod is in sliding connection with the middle of the sliding piece, and an elastic piece sleeved on the outer wall of the sliding rod is fixedly connected between the sliding piece and the supporting piece.
Preferably, the power component is arranged at the top of the box body, the power component comprises two air cylinders and a protective cover fixedly arranged at the top of the box body, the two air cylinders are vertically and symmetrically fixedly arranged at one side of the length direction of the box body, the telescopic end of each air cylinder is fixedly connected with a driving plate which is slidably arranged inside the protective cover, and the bottom of the driving plate is fixedly connected with the top ends of the connecting cylinders.
Preferably, the scraping ring is rotatably arranged between the inner side walls of the supporting piece, the positions, close to the two ports, of the inner side of the scraping ring are fixedly connected with the scraping layers, and the middle position of the inner side wall of the scraping ring is fixedly connected with the scraping piece.
Preferably, the lower extreme of desulfurizing tower is connected with the input of box through the pipeline, the input of circulating pump with the output of box is connected, the output of circulating pump with the spray line connection of desulfurizing tower upper end, the input of heat exchange pipeline is connected with outside demineralized water input pipeline, and the output of heat exchange pipeline is connected with outside demineralized water output pipeline.
Preferably, the method for heating desalted water by using the residual heat of the desulfurization slurry comprises the following steps:
s1, connecting an input end of the circulating pump with an output end of the box body through a pipeline, and connecting a desulfurization slurry outlet end at the lower end of the desulfurization tower with the input end of the box body through a pipeline;
s2, connecting an input pipeline and an output pipeline of external desalted water with an input end and an output end of the heat exchange pipeline respectively;
s3, the desulfurization slurry at the lower end of the desulfurization tower flows into the box body through a pipeline, and under the suction action of the circulating pump, the desulfurization slurry flows out of the output end of the box body and finally enters into a spray pipe fitting in the desulfurization tower;
s4, external desalted water enters the heat exchange pipeline, and in the flowing process of the heat exchange pipeline, the desalted water is heated by the heat of the desulfurization slurry, and finally the heated desalted water flows out of the heat exchange pipeline.
Compared with the related art, the device for heating desalted water by utilizing the residual heat of the desulfurization slurry provided by the embodiment of the invention has the following advantages that
The beneficial effects are that:
(1) The cleaning component is arranged, so that adsorbates on the surface of the heat exchange pipeline can be scraped and cleaned, wherein the scraping component and the power component are matched for use, and in the process that the power component drives the scraping component to reciprocate along the vertical direction, the scraping ring is driven to continuously change in position on the heat exchange pipeline, so that the scraping ring, the straight pipe section and the bent pipe section are always in a complete contact state, on one hand, the function of sequentially and continuously scraping and cleaning the straight pipe section and the bent pipe section of the heat exchange pipeline is realized, the action range of the scraping component is further increased, and the cleaning effect on different positions of the heat exchange pipeline is ensured; on the other hand, utilize a scraping element to accomplish the automatic clear operation of adsorbate to straight pipeline section and bend section, greatly reduced the clearance degree of difficulty, and can not occupy the inside too much space of box, ensure that inside desulfurization thick liquid can normally circulate.
(2) Through set up respectively scraping layer and scooping up the piece in the scraper ring inboard, increased the clearance effect of scraping the piece, to the lower adsorbate of adsorption affinity, can directly clear up through scraping the layer, and to the higher adsorbate of adsorption affinity and hardness, then further handle through scooping up the piece, increased the adaptability of scraping the piece, better clearance is carried out to the heat exchange tube.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for heating desalted water by using residual heat of desulfurization slurry according to an embodiment of the present invention.
Fig. 2 is a schematic view of the heat exchange mechanism shown in fig. 1.
Fig. 3 is a schematic view of the structure of the inside of the case and the shield shown in fig. 2.
Fig. 4 is a schematic view of the structure between the heat exchange tube and the cleaning mechanism shown in fig. 3.
Fig. 5 is a partial enlarged view of the region a shown in fig. 4.
Fig. 6 is a schematic view of the structure of the inside of the scraping element shown in fig. 4.
Fig. 7 is a view showing a state of motion of the scraping mechanism in the present invention.
Reference numerals in the drawings: 1. a desulfurizing tower; 2. a heat exchange mechanism; 21. a case; 22. a heat exchange pipeline; 3. a circulation pump; 4. a cleaning mechanism; 41. a scraping member; 411. a rack; 412. a connecting cylinder; 413. a connecting seat; 414. a gear member; 415. a support; 416. a scraper ring; 417. scraping the layer; 418. a scooping member; 419. a slider; 4110. a slide bar; 4111. an elastic member; 42. a power component; 421. a cylinder; 422. a protective cover; 423. the plate is driven.
Detailed Description
Referring to fig. 1 and 2 in combination, an apparatus for heating desalinated water by using residual heat of desulfurization slurry, comprising: the desulfurization tower 1, a heat exchange mechanism 2 for carrying out heat exchange treatment on desulfurization slurry and desalted water and a circulating pump 3 for realizing circulating flow of the desulfurization slurry between the heat exchange mechanism 2 and the desulfurization tower 1, wherein the heat exchange mechanism 2 comprises a box body 21, a heat exchange pipeline 22 which is arranged in a serpentine shape is arranged on the heat exchange box body 21, the lower end of the desulfurization tower 1 is connected with the input end of the box body 21 through a pipeline, the input end of the circulating pump 3 is connected with the output end of the box body 21, the output end of the circulating pump 3 is connected with a spraying pipeline at the upper end of the desulfurization tower 1, (the spraying pipeline is arranged inside the desulfurization tower 1 and is not shown in fig. 1), the input end of the heat exchange pipeline 22 is connected with an external desalted water input pipeline, the output end of the heat exchange pipeline 22 is connected with an external desalted water output pipeline, when the desalted water is subjected to heat exchange, the desulfurization slurry flows into the box body 21 from the lower end of the desulfurization tower 1, the desalted water enters the heat exchange pipeline 22 through the pipeline, the heat exchange between the desulfurization slurry and the heat exchange pipeline 22 can be completed through contact of the desulfurization slurry, and the desulfurizing slurry is then flows back into the box body 21 under the effect of the circulating pump 3, and the effect of the desulfurizing slurry is heated by the heat exchange pipeline 22.
Referring to fig. 3, fig. 4 and fig. 7 in combination, a cleaning mechanism 4 for cleaning the adsorbate on the surface of the heat exchange tube 22 is disposed on the box 21, the cleaning mechanism 4 includes eight scraping members 41 and a power member 42 having a function of reciprocating in a vertical direction, the eight scraping members 41 are uniformly arranged inside the box 21 along a length direction of the box 21, the eight scraping members 41 are disposed in one-to-one correspondence with eight curved sections at a lower end of the heat exchange tube 22, and the eight scraping members 41 are driven to reciprocate in the vertical direction by the power member 42 at the same time, so that the scraping members 41 can clean the surfaces of the curved sections and the vertical sections of the heat exchange tube 22 respectively, and the number of the scraping members 41 is not limited to eight, and is set according to the number of the curved sections at the lower end of the heat exchange tube 22.
Referring to fig. 3 in combination, the scraping member 41 includes a rack 411 and a connecting cylinder 412 vertically penetrating through and slidably mounted on the top of the case 21, the rack 411 is vertically and fixedly mounted at the lower end of the inside of the case 21, teeth are distributed on both left and right sides of the rack 411, and the rack 411 and the connecting cylinder 412 are maintained at the same vertical straight line position, so that the connecting cylinder 412 can smoothly pass through the rack 411 when moving downward; the bottom fixedly connected with connecting seat 413 of connecting cylinder 412, the side of connecting seat 413 is U type structure, rectangular channel has been seted up at its top for when connecting seat 413 moves down, its top can continue to move down through rack 411, the inboard of connecting seat 413 uses rack 411 to rotate as symmetry axis symmetry and is connected with two gear 414, two gear 414 all set up with rack 411 adaptation, when connecting seat 413 removes to rack 411 position, two gear 414 can mesh with rack 411 simultaneously, and then can drive two gear 414 synchronous rotation.
Referring to fig. 4, 5 and 6 in combination, one end of the two gear members 414 far away from the connecting seat 413 is fixedly connected with a support member 415 in a U shape along the length direction thereof, a sliding member 419 in a U shape is slidably connected between two opposite inner side walls of the support member 415, one end of the sliding member 419 far away from the support member 415 is rotatably connected with a scraping ring 416 sleeved on the surface of the heat exchange tube 22, the middle of the inner side wall of the support member 415 is vertically and fixedly connected with a sliding rod 4110 along the direction of the scraping ring 416, the sliding rod 4110 is slidably connected with the middle of the sliding member 419, and the sliding rod 4110 is used for further limiting the sliding member 419 and can prevent the sliding member 419 from being directly separated from the support member 415; the elastic piece 4111 sleeved on the outer wall of the sliding rod 4110 is fixedly connected between the sliding piece 419 and the supporting piece 415, when the sliding piece 419 approaches to the supporting piece 415, the elastic piece 4111 can be compressed, and when the elastic piece 4111, the supporting piece 415 and the sliding piece 419 are matched for use, a connecting structure with an automatic telescopic function is formed, so that the scraping ring 416 slides on different positions on the surface of the heat exchange tube 22, the scraping layers 417 are fixedly connected to the positions, close to the two ports, of the inner side of the scraping ring 416, the middle position of the inner side of the scraping ring 416 is fixedly connected with the scraping piece 418, the scraping layer 417 is made of an elastic material, can be rubber, can scrape an adsorbed object with poor adsorption force on the surface of the heat exchange tube 22, the scraping piece 418 is made of metal material, can be stainless steel, when the adsorption force of the adsorbed object is strong, and the hardness is high, the scraping layer 417 can not scrape the adsorbed object directly through the scraping layer 417, the adsorbed object is scraped by the scraping object, the adsorbed object is guaranteed, and the cleaning effect on the heat exchange tube 22 is ensured, and the initial position of the scraping element 41 is positioned at the upper end of the box 21.
Referring to fig. 2, 3 and 4 in combination, the power component 42 is disposed at the top of the box 21, the power component 42 includes two cylinders 421 and a protection cover 422 fixedly mounted at the top of the box 21, the two cylinders 421 are vertically and symmetrically mounted at one side of the box 21 in the length direction, the telescopic end of the cylinder 421 is fixedly connected with a driving plate 423 slidingly mounted inside the protection cover 422, the bottom of the driving plate 423 is fixedly connected with the top ends of eight connecting cylinders 412, the connecting cylinders 412 and the driving plate 423 are protected by the protection cover 422, the connecting cylinders 412 and the driving plate 423 are prevented from being influenced by external environment to reciprocate up and down, the two ends of the driving plate 423 slide through one side of the protection cover 422 close to the cylinder 421, the cylinder 421 is in a timing running state, the scraping component 41 can be driven to clean the surface of the heat exchange pipeline 22 at regular time, and a chute matched with the driving plate 423 is disposed on the protection cover 422, so that the driving plate 423 can have a limiting effect, and can be stably slid up and down. The power member 42 is not limited to the above-described structural form, but may be other forms.
In addition, the invention also provides a method for heating desalted water by using the residual heat of the desulfurization slurry, which comprises the following steps:
s1, connecting an input end of the circulating pump 3 with an output end of the box body 21 through a pipeline, and connecting a desulfurization slurry outlet end at the lower end of the desulfurization tower 1 with an input end of the box body 21 through a pipeline;
s2, connecting an input pipeline and an output pipeline of external desalted water with the input end and the output end of the heat exchange pipeline 22 respectively;
s3, the desulfurization slurry at the lower end of the desulfurization tower 1 flows into the box body 21 through a pipeline, and under the suction effect of the circulating pump 3, the desulfurization slurry flows out from the output end of the box body 21 and finally enters into spray pipe fittings in the desulfurization tower 1;
s4, external desalted water enters the heat exchange pipeline 22, and in the flowing process of the heat exchange pipeline 22, the desalted water is heated by the heat of the desulfurization slurry, and finally the heated desalted water flows out of the heat exchange pipeline 22;
s5, when the adsorbate on the surface of the heat exchange pipeline 22 needs to be cleaned, the plate 423 and the eight scraping members 41 can be driven to synchronously move downwards through the operation of the two cylinders 421, in the downward movement process of the scraping members 41, as the gear members 414 are acted by the scraping rings 416, in the downward movement process of the connecting seat 413, the two gear members 414 synchronously rotate upwards, the scraping rings 416 slide downwards along the surface of the heat exchange pipeline 22, the sliding members 419 automatically stretch and retract on the supporting members 415 to adapt to the movement position changes of the connecting seat 413 and the scraping rings 416, when the scraping rings 416 move to the straight pipe position of the heat exchange pipeline 22, the positions of the sliding members 419 and the supporting members 415 are temporarily kept unchanged, and the adsorbate on the surface of the heat exchange pipeline 22 can be scraped off through the sliding of the scraping rings 416 on the surface of the heat exchange pipeline 22;
when the connecting seat 413 moves to the position of the rack 411, the two gear pieces 414 on the connecting seat are synchronously meshed with the rack 411, so that the supporting piece 415, the sliding piece 419 and the scraping ring 416 can be driven to synchronously rotate downwards, and the position change of the supporting piece 415 in the rotating process is adapted through the telescopic action of the sliding piece 419, in the process, when the included angle of the two supporting pieces 415 gradually rotates from the opening upwards to the opening downwards, the scraping ring 416 synchronously rotates from the straight pipe part of the heat exchange pipe 22 to the bent pipe part at the lower end of the straight pipe part, the adsorbed substances of the straight pipe and the bent pipe part are continuously cleaned until the connecting cylinder 412 descends to the lowest position, the two scraping rings 416 are just attached, and the cleaning operation of the straight pipe section and the bent pipe section of the heat exchange pipe 22 is completed once;
after that, the cylinder 421 drives the connecting cylinder 412 to move upwards, so that the scraping member 41 moves upwards to reset, and the heat exchange pipeline 22 is cleaned for the second time, and the operation is repeated for several times, so that the surface of the heat exchange pipeline 22 can be cleaned by adsorption.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. An apparatus for heating desalinated water using waste heat of desulfurization slurry, comprising: desulfurizing tower (1), be used for carrying out heat exchange treatment's heat transfer mechanism (2) and realization desulfurizing slurry to desulfurizing slurry and desulfurizing tower (1) between circulation mobile circulating pump (3), heat transfer mechanism (2) include box (21), be provided with on box (21) and be heat exchange pipeline (22) that serpentine bending set up, its characterized in that: the cleaning mechanism (4) for cleaning adsorbates on the surface of the heat exchange pipeline (22) is arranged on the box body (21), the cleaning mechanism (4) comprises a plurality of scraping components (41) and a plurality of power components (42) with a vertical reciprocating motion function, the plurality of scraping components (41) are uniformly distributed inside the box body (21) along the length direction of the box body (21), the plurality of scraping components (41) are arranged in one-to-one correspondence with the plurality of bending sections at the lower end of the heat exchange pipeline (22), and the plurality of scraping components (41) are driven to reciprocate in the vertical direction through the power components (42) at the same time, so that the scraping components (41) can clean the surfaces of the bending sections and the vertical sections of the heat exchange pipeline (22) respectively;
the scraping component (41) comprises a rack (411) and a connecting cylinder (412) vertically penetrating through the top of the box body (21), the rack (411) is vertically and fixedly arranged at the lower end inside the box body (21), and the rack (411) and the connecting cylinder (412) are kept at the same vertical straight line position; the bottom end of the connecting cylinder (412) is fixedly connected with a connecting seat (413), two gear pieces (414) are rotationally connected to the inner side of the connecting seat (413) by taking the rack (411) as a symmetrical axis, one ends of the two gear pieces (414) away from the connecting seat (413) are fixedly connected with supporting pieces (415) along the length direction of the two gear pieces, sliding pieces (419) are slidingly connected to the supporting pieces (415), and one ends of the sliding pieces (419) away from the supporting pieces (415) are rotationally connected with scraping rings (416) sleeved on the surfaces of the heat exchange pipelines (22);
the middle of the inner side wall of the support piece (415) is vertically and fixedly connected with a sliding rod (4110) along the direction of the scraping ring (416), the sliding rod (4110) is in sliding connection with the middle of the sliding piece (419), and an elastic piece (4111) sleeved on the outer wall of the sliding rod (4110) is fixedly connected between the sliding piece (419) and the support piece (415).
2. The apparatus for heating desalinated water using residual heat from a desulfurization slurry according to claim 1, wherein: the utility model discloses a box, including box (21) and power component (42), power component (42) are in the top of box (21), power component (42) include two cylinders (421) and fixed mounting protection casing (422) at box (21) top, two vertical symmetry fixed mounting of cylinder (421) is in one side of box (21) length direction, the flexible end fixedly connected with sliding mounting of cylinder (421) is in inside drive plate (423) of protection casing (422), the bottom of drive plate (423) is with a plurality of top fixed connection of connecting cylinder (412).
3. The apparatus for heating desalinated water using residual heat from a desulfurization slurry according to claim 1, wherein: the scraping ring (416) is rotatably arranged between the inner side walls of the supporting pieces (415), scraping layers (417) are fixedly connected to the inner sides of the scraping ring (416) close to the two ports, and a scooping piece (418) is fixedly connected to the middle position of the inner side walls of the scraping ring (416).
4. The apparatus for heating desalinated water using residual heat from a desulfurization slurry according to claim 1, wherein: the lower extreme of desulfurizing tower (1) is connected with the input of box (21) through the pipeline, the input of circulating pump (3) with the output of box (21) is connected, the output of circulating pump (3) with the spray line connection of desulfurizing tower (1) upper end, the input of heat transfer pipeline (22) is connected with outside demineralized water input pipeline, and the output of heat transfer pipeline (22) is connected with outside demineralized water output pipeline.
5. The apparatus for heating desalinated water using residual heat from a desulfurization slurry according to claim 1, wherein: the method for heating desalted water by utilizing the residual heat of the desulfurization slurry comprises the following steps:
s1, connecting the input end of the circulating pump (3) with the output end of the box body (21) through a pipeline, and connecting the desulfurization slurry outlet end at the lower end of the desulfurization tower (1) with the input end of the box body (21) through a pipeline;
s2, connecting an input pipeline and an output pipeline of external desalted water with an input end and an output end of the heat exchange pipeline (22) respectively;
s3, the desulfurization slurry at the lower end of the desulfurization tower (1) flows into the box body (21) through a pipeline, and under the suction effect of the circulating pump (3), the desulfurization slurry flows out of the output end of the box body (21) and finally enters into a spray pipe fitting in the desulfurization tower (1);
s4, external desalted water enters the heat exchange pipeline (22), and in the flowing process of the heat exchange pipeline (22), the desalted water is heated by the heat of the desulfurization slurry, and finally the heated desalted water flows out of the heat exchange pipeline (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211468163.3A CN116336457B (en) | 2022-11-22 | 2022-11-22 | Device and method for heating desalted water by utilizing residual heat of desulfurization slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211468163.3A CN116336457B (en) | 2022-11-22 | 2022-11-22 | Device and method for heating desalted water by utilizing residual heat of desulfurization slurry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116336457A CN116336457A (en) | 2023-06-27 |
| CN116336457B true CN116336457B (en) | 2023-11-07 |
Family
ID=86890422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211468163.3A Active CN116336457B (en) | 2022-11-22 | 2022-11-22 | Device and method for heating desalted water by utilizing residual heat of desulfurization slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116336457B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847989B (en) * | 2024-03-07 | 2024-05-28 | 中际(江苏)智能暖通设备有限公司 | Air source high temperature heat pump dehumidification drying equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2013327A (en) * | 1978-01-26 | 1979-08-08 | Sterling Drug Inc | Double pipe heat exchanger |
| JPH11211389A (en) * | 1998-01-27 | 1999-08-06 | Sakae Sangyo Kk | Dust removing device for tube for heat-exchange |
| JP2005121252A (en) * | 2003-10-14 | 2005-05-12 | Kobe Steel Ltd | Dust remover for plate type heat exchanger |
| JP2009092255A (en) * | 2007-10-04 | 2009-04-30 | Nippon Steel Corp | Dust removal device for waste heat boiler |
| KR20110018190A (en) * | 2009-08-17 | 2011-02-23 | 정양전 | Waste Heat Recovery Heater |
| KR20160066453A (en) * | 2014-12-02 | 2016-06-10 | 유니엔스(주) | Heat exchanger |
| CN106801886A (en) * | 2017-03-07 | 2017-06-06 | 北京国电龙源环保工程有限公司 | A kind of the cooling heat-exchange system and its operation method of elimination coal-burning power plant white plume |
| CN108955306A (en) * | 2018-09-20 | 2018-12-07 | 吉林建筑大学 | A kind of production line heat exchanger |
| CN211012557U (en) * | 2019-10-12 | 2020-07-14 | 李德明 | Scale prevention and removal structure of closed cooling tower |
| CN111473664A (en) * | 2020-04-17 | 2020-07-31 | 菏泽森干新能源有限公司 | Natural gas cooler |
| CN213841845U (en) * | 2020-12-14 | 2021-07-30 | 沧州市华亿机电设备安装有限公司 | A sewage source heat exchanger |
| CN215832500U (en) * | 2021-08-30 | 2022-02-15 | 山东福源节能环保工程有限公司 | Coke oven flue gas waste heat recovery device after denitration |
-
2022
- 2022-11-22 CN CN202211468163.3A patent/CN116336457B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2013327A (en) * | 1978-01-26 | 1979-08-08 | Sterling Drug Inc | Double pipe heat exchanger |
| JPH11211389A (en) * | 1998-01-27 | 1999-08-06 | Sakae Sangyo Kk | Dust removing device for tube for heat-exchange |
| JP2005121252A (en) * | 2003-10-14 | 2005-05-12 | Kobe Steel Ltd | Dust remover for plate type heat exchanger |
| JP2009092255A (en) * | 2007-10-04 | 2009-04-30 | Nippon Steel Corp | Dust removal device for waste heat boiler |
| KR20110018190A (en) * | 2009-08-17 | 2011-02-23 | 정양전 | Waste Heat Recovery Heater |
| KR20160066453A (en) * | 2014-12-02 | 2016-06-10 | 유니엔스(주) | Heat exchanger |
| CN106801886A (en) * | 2017-03-07 | 2017-06-06 | 北京国电龙源环保工程有限公司 | A kind of the cooling heat-exchange system and its operation method of elimination coal-burning power plant white plume |
| CN108955306A (en) * | 2018-09-20 | 2018-12-07 | 吉林建筑大学 | A kind of production line heat exchanger |
| CN211012557U (en) * | 2019-10-12 | 2020-07-14 | 李德明 | Scale prevention and removal structure of closed cooling tower |
| CN111473664A (en) * | 2020-04-17 | 2020-07-31 | 菏泽森干新能源有限公司 | Natural gas cooler |
| CN213841845U (en) * | 2020-12-14 | 2021-07-30 | 沧州市华亿机电设备安装有限公司 | A sewage source heat exchanger |
| CN215832500U (en) * | 2021-08-30 | 2022-02-15 | 山东福源节能环保工程有限公司 | Coke oven flue gas waste heat recovery device after denitration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116336457A (en) | 2023-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106568338B (en) | A kind of package heat-exchanger rig | |
| CN209181543U (en) | A kind of magnesium ore calcining rotary kiln flue gas waste heat recyclable device | |
| CN116336457B (en) | Device and method for heating desalted water by utilizing residual heat of desulfurization slurry | |
| CN208720858U (en) | The antiscaling, descaling structure of closed cooling tower | |
| CN108955306B (en) | A heat exchanger for a production line | |
| CN109530358A (en) | A kind of inner container of electric water heater cleaning device | |
| CN116986257B (en) | Buried scraper conveyor for oil-containing sediment treatment | |
| CN113883742A (en) | Heat pump exchanger | |
| CN209147121U (en) | A kind of device for utilizing waste of boiler | |
| CN113418195B (en) | Industrial waste water incinerator convenient to clean maintenance | |
| CN109099578A (en) | Energy-saving scale-deposit-preventing method for cleaning for electric heater | |
| CN209548751U (en) | Carbon disulfide condenser | |
| CN116351560A (en) | Fine powder slag collecting system used in production process | |
| CN119334194A (en) | An anti-clogging industrial heat pump | |
| CN120557667A (en) | Biomass boiler flue gas recovery and utilization system and method | |
| US5560323A (en) | One directional rotational lance indexer | |
| CN114909802A (en) | Self-cleaning water tank for water supply heat pump | |
| CN208458572U (en) | A kind of scale cleaning plant of heat exchanger | |
| CN218553455U (en) | Waste heat recoverer for high titanium slag smelting | |
| CN219640756U (en) | Chemical heat exchanger | |
| CN211626243U (en) | Online cleaning device for cooling pipe | |
| CN215997903U (en) | Finned heat exchange tube cleaning device | |
| CN218973287U (en) | A heat recovery device | |
| CN117232291A (en) | Heat exchange device with air distribution structure | |
| CN113154929B (en) | Graphite heat exchanger easy to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |