CN220380353U - Chemical waste gas's heat absorption treatment facility - Google Patents
Chemical waste gas's heat absorption treatment facility Download PDFInfo
- Publication number
- CN220380353U CN220380353U CN202322035901.1U CN202322035901U CN220380353U CN 220380353 U CN220380353 U CN 220380353U CN 202322035901 U CN202322035901 U CN 202322035901U CN 220380353 U CN220380353 U CN 220380353U
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- Prior art keywords
- tube
- rotating rod
- waste gas
- shell
- tube bundle
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- 239000007789 gas Substances 0.000 title claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 15
- 239000002894 chemical waste Substances 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 34
- 238000007790 scraping Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 abstract description 39
- 238000009825 accumulation Methods 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 description 22
- 238000004140 cleaning Methods 0.000 description 18
- 239000007787 solid Substances 0.000 description 15
- 238000005260 corrosion Methods 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 150000002894 organic compounds Chemical class 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of waste gas treatment, in particular to heat absorption treatment equipment for chemical waste gas, which comprises a tubular heat exchanger; the shell is fixedly connected with a tube plate inside; the number of the tube plates is two; a tube bundle is fixedly connected between the two tube plates; the two ends of the shell are provided with an air inlet and an air outlet; two ends of the tube bundle are communicated with the air inlet and the air outlet; according to the utility model, through the cooperation between the rotating rod and the blade plate, the blade plate can drive the rotating rod to rotate under the pushing of waste gas, so that the rotating rod drives the baffle plate to reciprocate through the spiral grooves with opposite surface directions and communicated with each other, and the reciprocating baffle plate can scrape scale on the surface of the tube bundle, thereby avoiding the accumulation of the scale on the outer wall of the tube bundle, further improving the heat transmission efficiency of the outer wall of the tube bundle, and further effectively improving the practicability of the heat exchange system.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to heat absorption treatment equipment for chemical waste gas.
Background
The isopropyl alcohol is an organic compound, and the raw materials need to be subjected to distillation, separation, crystallization, recrystallization and other treatment steps in the production process, and cooling water or other cooling mediums are used for cooling the tube bundles and the reactor; the exhaust gas produced in these processes contains relatively high temperatures and heat; the waste of a large amount of heat energy is reduced, the energy utilization efficiency is improved, and the energy consumption and the related cost are reduced;
the existing shell-and-tube heat exchanger is a main treatment device for waste gas heat absorption, and the working principle is that one fluid is introduced into a tube bundle, the other fluid flows through the outside of the tube bundle, so that two fluids transfer heat through the wall surface of the tube bundle, for waste gas heat absorption, waste gas is introduced into the tube bundle, cooling water flows between baffle plates outside the tube bundle, if the waste gas flows between the baffle plates, larger fluctuation is generated, and the flowing direction and strength of the waste gas are difficult to control in other areas; mass transfer and temperature changes between adjacent zones can occur, thereby affecting the overall heat exchange efficiency and promoting the formation, accumulation and emission of harmful components in the exhaust gas;
when the existing shell-and-tube heat exchanger uses cooling water to exchange heat with waste gas, the cooling water absorbs heat of the waste gas in the tube bundle through the outer wall of the tube bundle, and as the water contains higher-grade calcium carbonate and calcium sulfate, when the water at the inner wall of the tube bundle is heated, evaporation of the water and increase of salt concentration of calcium, magnesium and the like can promote precipitation of elements such as calcium, magnesium ions and the like and form scale on the inner wall of the tube; as scale builds up too much on the outer walls of the tube bundle, it will cause a decrease in the heat transfer efficiency of the outer walls of the tube bundle and decrease the efficiency of the overall heat exchange system;
in view of the above, the present utility model provides a heat absorption treatment device for chemical waste gas, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the utility model provides the isopropanol purifying treatment device, through the cooperation between the rotating rod and the blade plate, the blade plate can drive the rotating rod to rotate under the pushing of waste gas, the rotating rod drives the baffle plate to reciprocate through the spiral grooves with opposite surface directions and mutually communicated, and the reciprocating baffle plate can scrape scale on the surface of the tube bundle, so that the scale is prevented from accumulating on the outer wall of the tube bundle, the heat transmission efficiency of the outer wall of the tube bundle is further improved, and the whole heat exchange system is further provided, so that the practicability of the isopropanol purifying treatment device is effectively improved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a heat absorption treatment device for chemical waste gas, which comprises a tubular heat exchanger; the shell and tube heat exchanger further comprises:
the shell is fixedly connected with a tube plate inside; the number of the tube plates is two; a tube bundle is fixedly connected between the two tube plates; the two ends of the shell are provided with an air inlet and an air outlet; two ends of the tube bundle are communicated with the air inlet and the air outlet; a baffle plate is arranged between the two tube plates; the baffle plate is in sliding contact with the tube bundle; the surface of the shell is provided with a liquid inlet and a liquid outlet; the liquid inlet and the liquid outlet are positioned between the two tube plates;
a rotating rod positioned between the two tube sheets; the rotating rod is rotationally connected with the tube plate; spiral grooves which are opposite in direction and communicated with each other are formed in the surface of the rotating rod; the baffle plate is in spiral transmission connection with the rotating rod; a blade plate is arranged between the tube plate and the air outlet; the blade plate is fixedly connected with one end of the rotating rod.
Preferably, a groove is formed at one end, far away from the rotating rod, of the blade plate; the blades are connected in a sliding manner in the grooves; the blades are fixedly connected with the bottoms of the grooves through connecting springs.
Preferably, the surfaces of the blades and the blades are fixedly connected with a protective shell; the protective housing is made of PTFE material.
Preferably, one end of the blade far away from the groove is fixedly connected with a scraping plate; the scraping plate is in sliding contact with the inner wall of the shell.
Preferably, one surface of the scraping plate, which is close to the rotating rod, is provided with an L-shaped baffle; the baffle and the scraping plate are made of PTFE materials.
Preferably, a chute is formed in one surface of the scraping plate, which is close to the rotating rod; the baffle is connected in the chute in a sliding way; the rotating rod is fixedly connected with the upper end face of the chute through an extrusion spring; an air cavity is formed in the scraper.
The beneficial effects of the utility model are as follows:
1. according to the utility model, through the cooperation between the rotating rod and the blade plate, the blade plate can drive the rotating rod to rotate under the pushing of waste gas, so that the rotating rod drives the baffle plate to reciprocate through the spiral grooves with opposite surface directions and communicated with each other, and the reciprocating baffle plate can scrape scale on the surface of the tube bundle, thereby avoiding the accumulation of the scale on the outer wall of the tube bundle, further improving the heat transmission efficiency of the outer wall of the tube bundle, and further improving the practicability of the heat exchange system;
2. according to the utility model, through the arrangement of the protective shell, the protective shell made of PTFE material has the characteristics of smooth surface and strong corrosion resistance, so that the corrosion effect of waste gas on the blade plate and the blade is reduced, the friction force between the blade and the inner wall of the groove is reduced, and the blade is accelerated to extend out of the groove.
3. According to the utility model, by arranging the baffle plates, scraped solid dirt can be accumulated between the baffle plates and the scraping plates, the scraped solid dirt is prevented from flowing to the tube bundle, and the scraped solid dirt is prevented from blocking the port of the tube bundle, so that the circulation of waste gas in the tube bundle is ensured; the baffle and the scraping plate are made of PTFE materials, so that the corrosion resistance of the baffle and the scraping plate is high, and the service lives of the scraping plate and the baffle are prolonged.
Drawings
The utility model will be further described with reference to the drawings and embodiments.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of a baffle plate used in the present utility model;
FIG. 3 is a perspective view of a screed used in the present utility model;
FIG. 4 is a schematic diagram of the structure of the present utility model;
fig. 5 is an enlarged view at a in fig. 4;
FIG. 6 is a schematic view of a baffle plate used in the present utility model;
in the figure: 1. a housing; 11. a tube sheet; 12. an air inlet; 13. an air outlet; 14. a tube bundle; 15. a baffle plate; 16. a liquid inlet; 17. a liquid outlet; 2. a rotating rod; 21. a spiral groove; 22. a blade; 221. a groove; 222. a blade; 223. a connecting spring; 23. a protective shell; 24. a scraper; 25. a baffle; 251. an air cavity; 26. a chute; 261. the spring is pressed.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized above, may be had by reference to the appended drawings.
As shown in fig. 1 to 6, a heat absorption treatment apparatus for chemical waste gas includes a tube type heat exchanger; the shell and tube heat exchanger further comprises:
the shell 1, the inside of said shell 1 links firmly the tube sheet 11; the number of the tube plates 11 is two; a tube bundle 14 is fixedly connected between the two tube plates 11; the two ends of the shell 1 are provided with an air inlet 12 and an air outlet 13; the two ends of the tube bundle 14 are communicated with the air inlet 12 and the air outlet 13; a baffle plate 15 is arranged between the two tube plates 11; the baffle 15 is in sliding contact with the tube bundle 14; the surface of the shell 1 is provided with a liquid inlet 16 and a liquid outlet 17; the liquid inlet 16 and the liquid outlet 17 are positioned between the two tube plates 11;
a rotating rod 2, wherein the rotating rod 2 is positioned between two tube plates 11; the rotating rod 2 is rotationally connected with the tube plate 11; spiral grooves 21 which are opposite in direction and communicated with each other are formed in the surface of the rotating rod 2; the baffle 15 is in spiral transmission connection with the rotating rod 2; a blade plate 22 is arranged between the tube plate 11 and the air outlet 13; the blade 22 is fixedly connected with one end of the rotating rod 2.
As an embodiment of the present utility model, a groove 221 is formed at one end of the blade 22 away from the rotating rod 2; a vane 222 is slidably connected to the groove 221; the vane 222 is fixedly connected with the bottom of the groove 221 through a connecting spring 223.
As an embodiment of the present utility model, the surfaces of the blade 222 and the blade 22 are fixedly connected with a protecting shell 23; the protective shell 23 is made of PTFE material.
As an embodiment of the present utility model, the blade 222 is fixedly connected with the scraper 24 at one end far away from the groove 221; the scraper 24 is in sliding contact with the inner wall of the housing 1.
As one embodiment of the utility model, the scraper 24 is provided with an L-shaped baffle 25 on one surface close to the rotating rod 2; the baffle 25 and the scraper 24 are made of PTFE material.
As an embodiment of the utility model, a chute 26 is formed on one surface of the scraper 24 close to the rotating rod 2; the baffle 25 is slidably connected in the chute 26; the rotating rod 2 is fixedly connected with the upper end face of the chute 26 through an extrusion spring 261; an air cavity 251 is formed in the scraper 24;
when the existing shell-and-tube heat exchanger uses cooling water to exchange heat with waste gas, the cooling water absorbs heat of the waste gas in the tube bundle 14 through the outer wall of the tube bundle 14, and as the water contains higher-grade calcium carbonate and calcium sulfate, when the water at the inner wall of the tube bundle 14 is heated, evaporation of the water and increase of salt concentration of calcium, magnesium and the like can promote precipitation of elements such as calcium, magnesium ions and the like and form scale on the inner wall of the tube; as scale builds up too much on the outer walls of tube bundle 14, it will cause a decrease in the heat transfer efficiency of the outer walls of tube bundle 14 and decrease the efficiency of the overall heat exchange system;
when the cooling water cooling device works, cooling water enters the shell 1 from the liquid inlet 16, so that the cooling water entering the shell 1 is filled between the two tube plates 11, at the moment, waste gas is introduced into the shell 1 through the air inlet 12, so that the waste gas introduced into the shell 1 can enter from one end of the tube bundle 14 and flow out from the other end of the tube bundle 14, and the cooling water absorbs the temperature in the waste gas through the tube bundle 14; the cooling water is transferred between the baffle plates 15 between the two tube plates 11, so that the flow speed and the turbulence intensity of the cooling water in the heat exchanger can be increased, the heat exchange efficiency of the cooling water and the utilization rate of the heat transfer area of the tube bundle 14 are improved, when the waste gas is sprayed out from the other end of the tube bundle 14, the sprayed waste gas pushes the blade plate 22 to rotate, the blade plate 22 drives the rotating rod 2 to rotate, the rotating rod 2 can drive the baffle plates 15 to linearly move in the shell 1 in the rotating process, and as the spiral grooves 21 which are opposite in direction and are communicated with each other are formed on the surface of the rotating rod 2, the rotating rod 2 can drive the baffle plates 15 which are in spiral transmission connection with the spiral grooves 21 to reciprocate within a certain distance, so that the reciprocating baffle plates 15 can be in sliding contact with the outer wall of the tube bundle 14, scale on the outer wall of the tube bundle 14 is scraped by the baffle plates 15 and separated from the surface of the tube bundle 14, and the scraped scale is discharged along with the cooling water from the liquid outlet 17; when the blade 22 rotates, the blade 22 can drive the blade 222 to rotate, so that the blade 222 stretches the connecting spring 223 and stretches out of the groove 221 under the action of centrifugal force, the length of the blade 22 is increased, the area of the blade 22 pushed by air flow is increased, the rotation speed of the blade 22 is increased, the scraping speed of the baffle 15 on the scale on the surface of the tube bundle 14 is increased, the accumulation of the scale on the surface of the tube bundle 14 is reduced, and the thermal conductivity of the surface of the tube bundle 14 is improved; the arrangement of the protective shell 23 ensures that the protective shell 23 made of PTFE material has the characteristics of smooth surface and strong corrosion resistance, so that the corrosion effect of waste gas on the blade 22 and the blade 222 is reduced, the friction force between the blade 222 and the inner wall of the groove 221 is reduced, and the blade 222 is accelerated to extend out of the groove 221; as the exhaust gas flows through the shell-and-tube heat exchanger; the mobility of the grease organic compound in the waste gas is reduced due to the cooling of the waste gas, so that the grease organic compound can be mixed with other impurities in the waste gas to form solid dirt, and the solid dirt is adhered to the inner wall of the shell 1; in the process that the blades 222 extend out of the grooves 221, the blades 222 can drive the scraping plates 24 to contact with the inner wall of the shell 1, so that the scraping plates 24 scrape solid dirt in the shell 1, and the baffle plates 25 are arranged, so that the scraped solid dirt can be accumulated between the baffle plates 25 and the scraping plates 24, the scraped solid dirt is prevented from flowing to the tube bundle 14, the scraped solid dirt is prevented from blocking the ports of the tube bundle 14, and the circulation of waste gas in the tube bundle 14 is ensured; the baffle 25 and the scraping plate 24 are made of PTFE materials, so that the anti-corrosion capability of the baffle 25 and the scraping plate 24 is high, and the service lives of the scraping plate 24 and the baffle 25 are prolonged; after the waste gas exchange is completed, cleaning liquid is introduced into the tube bundle 14, so that the flowing cleaning liquid can drive the blade 22 to drive the scraping plate 24 to scrape the inner wall of the shell 1, the scraped dirt can be directly dissolved in the cleaning liquid, the dirt is scraped, the contact area between the dirt and the cleaning liquid is increased, the cleaning effect of the cleaning liquid on the dirt is improved, when the cleaning liquid is filled in the shell 1 due to the fact that the air cavity 251 is formed in the baffle 25, the baffle 25 pushes the extrusion spring 261 to rise under the action of self-floating force, the extrusion spring 261 is compressed, the baffle 25 slides upwards along the chute 26, the dirt blocked by the baffle 25 and the scraping plate 24 at the lower end is not blocked by the baffle 25 any more, the dirt is in direct contact with the cleaning liquid, the dissolution speed of the cleaning liquid on the dirt is improved, the setting of the air cavity 251 is accelerated, the buoyancy born by the baffle 25 is increased, and the floating speed of the baffle 25 is accelerated.
According to the utility model, through the cooperation between the rotating rod 2 and the blade plate 22, the blade plate 22 can drive the rotating rod 2 to rotate under the pushing of waste gas, so that the rotating rod 2 drives the baffle plate 15 to reciprocate through the spiral grooves 21 with opposite surface directions and mutually communicated, and the reciprocating baffle plate 15 can scrape scale on the surface of the tube bundle 14, so that the scale is prevented from accumulating on the outer wall of the tube bundle 14, the heat transmission efficiency of the outer wall of the tube bundle 14 is further improved, and the practicability of the utility model is further effectively improved.
The specific working procedure is as follows:
when the cooling water cooling device works, cooling water enters the shell 1 from the liquid inlet 16, so that the cooling water entering the shell 1 is filled between the two tube plates 11, at the moment, waste gas is introduced into the shell 1 through the air inlet 12, so that the waste gas introduced into the shell 1 can enter from one end of the tube bundle 14 and flow out from the other end of the tube bundle 14, and the cooling water absorbs the temperature in the waste gas through the tube bundle 14; the cooling water is transferred between the baffle plates 15 between the two tube plates 11, so that the flow speed and the turbulence intensity of the cooling water in the heat exchanger can be increased, the heat exchange efficiency of the cooling water and the utilization rate of the heat transfer area of the tube bundle 14 are improved, when the waste gas is sprayed out from the other end of the tube bundle 14, the sprayed waste gas pushes the blade plate 22 to rotate, the blade plate 22 drives the rotating rod 2 to rotate, the rotating rod 2 can drive the baffle plates 15 to linearly move in the shell 1 in the rotating process, and as the spiral grooves 21 which are opposite in direction and are communicated with each other are formed on the surface of the rotating rod 2, the rotating rod 2 can drive the baffle plates 15 which are in spiral transmission connection with the spiral grooves 21 to reciprocate within a certain distance, so that the reciprocating baffle plates 15 can be in sliding contact with the outer wall of the tube bundle 14, scale on the outer wall of the tube bundle 14 is scraped by the baffle plates 15 and separated from the surface of the tube bundle 14, and the scraped scale is discharged along with the cooling water from the liquid outlet 17; when the blade 22 rotates, the blade 22 can drive the blade 222 to rotate, so that the blade 222 stretches the connecting spring 223 and stretches out of the groove 221 under the action of centrifugal force, the length of the blade 22 is increased, the area of the blade 22 pushed by air flow is increased, the rotation speed of the blade 22 is increased, the scraping speed of the baffle 15 on the scale on the surface of the tube bundle 14 is increased, the accumulation of the scale on the surface of the tube bundle 14 is reduced, and the thermal conductivity of the surface of the tube bundle 14 is improved; the arrangement of the protective shell 23 ensures that the protective shell 23 made of PTFE material has the characteristics of smooth surface and strong corrosion resistance, so that the corrosion effect of waste gas on the blade 22 and the blade 222 is reduced, the friction force between the blade 222 and the inner wall of the groove 221 is reduced, and the blade 222 is accelerated to extend out of the groove 221; as the exhaust gas flows through the shell-and-tube heat exchanger; the mobility of the grease organic compound in the waste gas is reduced due to the cooling of the waste gas, so that the grease organic compound can be mixed with other impurities in the waste gas to form solid dirt, and the solid dirt is adhered to the inner wall of the shell 1; in the process that the blades 222 extend out of the grooves 221, the blades 222 can drive the scraping plates 24 to contact with the inner wall of the shell 1, so that the scraping plates 24 scrape solid dirt in the shell 1, and the baffle plates 25 are arranged, so that the scraped solid dirt can be accumulated between the baffle plates 25 and the scraping plates 24, the scraped solid dirt is prevented from flowing to the tube bundle 14, the scraped solid dirt is prevented from blocking the ports of the tube bundle 14, and the circulation of waste gas in the tube bundle 14 is ensured; the baffle 25 and the scraping plate 24 are made of PTFE materials, so that the anti-corrosion capability of the baffle 25 and the scraping plate 24 is high, and the service lives of the scraping plate 24 and the baffle 25 are prolonged; after the waste gas heat exchange is completed, cleaning liquid is introduced into the tube bundle 14, so that the flowing cleaning liquid can drive the blade 22 to drive the scraping plate 24 to scrape the inner wall of the shell 1, the scraped dirt can be directly dissolved in the cleaning liquid, the dirt is scraped, the contact area between the dirt and the cleaning liquid is increased, the cleaning effect of the cleaning liquid on the dirt is improved, when the cleaning liquid is filled in the shell 1 due to the fact that the air cavity 251 is formed in the baffle 25, the baffle 25 is pushed to rise by the self-floating force to push the extrusion spring 261, the extrusion spring 261 is compressed, the baffle 25 slides upwards along the chute 26, the dirt blocked by the baffle 25 and the scraping plate 24 at the lower end is not blocked by the baffle 25 any more, the dirt is in direct contact with the cleaning liquid, the dissolution speed of the cleaning liquid on the dirt is improved, the setting of the air cavity 251 is accelerated, the buoyancy of the baffle 25 is increased, and the floating speed of the baffle 25 is accelerated.
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model, and furthermore, the terms "first", "second", "third", etc. are merely used for distinguishing the description, and should not be construed as indicating or implying relative importance.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a chemical waste gas's heat absorption treatment facility which characterized in that: comprises a shell and tube heat exchanger; the shell and tube heat exchanger further comprises:
the shell (1), the inside of said shell (1) has tube sheet (11) fixedly connected with; the number of the tube plates (11) is two; a tube bundle (14) is fixedly connected between the two tube plates (11); an air inlet (12) and an air outlet (13) are formed at two ends of the shell (1); two ends of the tube bundle (14) are communicated with the air inlet (12) and the air outlet (13); a baffle plate (15) is arranged between the two tube plates (11); the baffle plate (15) is in sliding contact with the tube bundle (14); the surface of the shell (1) is provided with a liquid inlet (16) and a liquid outlet (17); the liquid inlet (16) and the liquid outlet (17) are positioned between the two tube plates (11);
a rotating rod (2), wherein the rotating rod (2) is positioned between two tube plates (11); the rotating rod (2) is rotationally connected with the tube plate (11); spiral grooves (21) which are opposite in direction and communicated with each other are formed in the surface of the rotating rod (2); the baffle plate (15) is in spiral transmission connection with the rotating rod (2); a blade plate (22) is arranged between the tube plate (11) and the air outlet (13); the blade plate (22) is fixedly connected with one end of the rotating rod (2).
2. A heat absorption treatment apparatus for chemical waste gas according to claim 1, wherein: a groove (221) is formed in one end, far away from the rotating rod (2), of the blade plate (22); a blade (222) is connected in a sliding way in the groove (221); the blades (222) are fixedly connected with the bottoms of the grooves (221) through connecting springs (223).
3. A heat absorption treatment apparatus for chemical waste gas according to claim 2, wherein: the surfaces of the blades (222) and the blades (22) are fixedly connected with a protective shell (23); the protective shell (23) is made of PTFE material.
4. A chemical waste gas heat absorption treatment apparatus according to claim 3, wherein: one end of the blade (222) far away from the groove (221) is fixedly connected with a scraping plate (24); the scraping plate (24) is in sliding contact with the inner wall of the shell (1).
5. The heat absorption treatment apparatus for chemical waste gas according to claim 4, wherein: an L-shaped baffle (25) is arranged on one surface of the scraper (24) close to the rotating rod (2); the baffle (25) and the scraper (24) are made of PTFE materials.
6. The heat absorption treatment apparatus for chemical waste gas according to claim 5, wherein: a chute (26) is formed in one surface of the scraping plate (24) close to the rotating rod (2); the baffle (25) is connected in the chute (26) in a sliding way; the rotating rod (2) is fixedly connected with the upper end face of the sliding groove (26) through an extrusion spring (261); an air cavity (251) is formed in the scraper (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322035901.1U CN220380353U (en) | 2023-07-31 | 2023-07-31 | Chemical waste gas's heat absorption treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322035901.1U CN220380353U (en) | 2023-07-31 | 2023-07-31 | Chemical waste gas's heat absorption treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220380353U true CN220380353U (en) | 2024-01-23 |
Family
ID=89571050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322035901.1U Active CN220380353U (en) | 2023-07-31 | 2023-07-31 | Chemical waste gas's heat absorption treatment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220380353U (en) |
-
2023
- 2023-07-31 CN CN202322035901.1U patent/CN220380353U/en active Active
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