CN117298621A - Kettle type evaporator - Google Patents
Kettle type evaporator Download PDFInfo
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- CN117298621A CN117298621A CN202311617533.XA CN202311617533A CN117298621A CN 117298621 A CN117298621 A CN 117298621A CN 202311617533 A CN202311617533 A CN 202311617533A CN 117298621 A CN117298621 A CN 117298621A
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- heat source
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- heating
- assembly
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- 238000010438 heat treatment Methods 0.000 claims abstract description 87
- 238000001704 evaporation Methods 0.000 claims abstract description 37
- 230000008020 evaporation Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 36
- 238000005192 partition Methods 0.000 claims description 23
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 23
- 230000000694 effects Effects 0.000 description 7
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000009957 hemming Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to the technical field of evaporators, in particular to a kettle type evaporator, which comprises a barrel, wherein one end of the barrel is provided with a sealing head, a baffle is fixedly arranged in the barrel along the extending direction of the barrel, the baffle divides the internal space of the barrel into a preheating space and an evaporating space which are communicated, the preheating space is positioned below the evaporating space, the lower end of the barrel is provided with a working medium inlet which is communicated with the preheating space, and the upper end of the barrel is provided with a working medium outlet which is communicated with the evaporating space; the heat source side end cover is fixedly arranged at one end of the cylinder body far away from the sealing head, and a heat source inlet pipe and a heat source outlet pipe which are not communicated with each other are arranged on the heat source side end cover; the heating assembly comprises a first heating pipeline assembly and a second heating pipeline assembly, wherein the first heating pipeline assembly is arranged in the evaporation space along the axial direction of the cylinder body, and the second heating pipeline assembly is arranged in the preheating space along the axial direction of the cylinder body. The invention can reduce the structural size of the evaporator and the preheater and reduce the space occupation.
Description
Technical Field
The invention relates to the technical field of evaporators, in particular to a kettle type evaporator.
Background
An organic rankine cycle system typically includes an expander, a generator, a condenser, a working fluid pump, a preheater, and an evaporator. The working medium pump pressurizes the low-temperature low-pressure working medium liquid, then enters the preheater, the working medium is preheated and heated, then enters the evaporator for evaporation, and the generated working medium gas enters the expander for acting to drive the generator to generate electricity. After doing work, the temperature and pressure of the working medium gas are reduced, the working medium gas enters a condenser to be condensed, low-temperature low-pressure liquid is generated, and the working medium gas returns to a working medium pump to complete circulation. In the organic Rankine cycle system, a preheater and an evaporator are taken as important components, and the performance and the structure of the organic Rankine cycle system have great influence on the whole system.
The evaporator generally has a conventional shell-and-tube structure and a kettle type structure, and the working medium exchanges heat with the heat source, and the working medium passes through a shell pass and the heat source passes through a tube pass. The heat source is typically steam or water at a temperature above 100 ℃. The working medium is typically R245fa, R1233zd (E) and the like, and the evaporation temperature is typically above 80 ℃. For the kettle-type evaporator, the tube plate can be fully distributed, and meanwhile, the diameter of the middle cylinder body of the evaporator is larger than that of the end part, so that the gas-liquid separation space requirement can be easily met. The preheater is typically a shell and tube heat exchanger. The heat source generally preheats working medium above 20 ℃ to above 80 ℃, and the heat source is usually waste heat after condensation or cooling of the heat source of the evaporator. The preheater and the evaporator are generally in parallel or series connection, and in the current organic Rankine cycle power generation system, the heat exchange area of the preheater is generally much smaller than that of the evaporator. A preheater and a kettle type evaporator are generally configured to complete the working medium preheating and evaporating processes. The preheater and the evaporator both adopt a structure of fixing and supporting the straight pipe heat exchange pipes by the pipe plates at the two sides. For the waste heat generator set above MW level, the evaporator and the preheater have large structural size, high cost, large occupied space and inconvenient arrangement.
Therefore, there is a need for a kettle evaporator to solve the above problems.
Disclosure of Invention
The invention aims to provide a kettle type evaporator which can reduce the structural size of the evaporator and the preheater, reduce the cost and reduce the space occupation.
To achieve the purpose, the invention adopts the following technical scheme:
a kettle evaporator comprising:
the device comprises a barrel, wherein one end of the barrel is provided with a sealing head, a partition plate is fixedly arranged in the barrel along the extending direction of the barrel, the partition plate divides the internal space of the barrel into a preheating space and an evaporating space which are communicated, the preheating space is positioned below the evaporating space, the lower end of the barrel is provided with a working medium inlet communicated with the preheating space, and the upper end of the barrel is provided with a working medium outlet communicated with the evaporating space;
the heat source side end cover is fixedly arranged at one end of the cylinder body far away from the sealing head, and a heat source inlet pipe and a heat source outlet pipe which are not communicated with each other are arranged on the heat source side end cover;
the heating assembly, including first heating pipeline subassembly and second heating pipeline subassembly, first heating pipeline subassembly is followed the axial setting of barrel is in the evaporation space, the second heating pipeline subassembly is followed the axial setting of barrel is in the preheating space, the heating assembly is configured to: when the heating pipes are connected in parallel, one end of each of the first heating pipe assembly and the second heating pipe is communicated with the heat source inlet pipe, and the other end of each of the first heating pipe assembly and the second heating pipe is communicated with the heat source outlet pipe; when the heating pipes are connected in series, one end of the first heating pipe assembly is communicated with the heat source inlet pipe, the other end of the first heating pipe assembly is communicated with one end of the second heating pipe assembly, and the other end of the second heating pipe assembly is communicated with the heat source outlet pipe.
Further, the device also comprises a liquid homogenizing plate, wherein the liquid homogenizing plate is fixedly arranged on the partition plate, the liquid homogenizing plate and the partition plate form a liquid homogenizing space, the liquid homogenizing space is communicated with the preheating space, and a plurality of through holes communicated with the liquid homogenizing space and the evaporating space are uniformly distributed on the liquid homogenizing plate.
Further, a plurality of edge folding structures are arranged on the liquid homogenizing plate at intervals, and the through holes are formed in inclined planes of the edge folding structures.
Further, the first heating pipeline assembly comprises a plurality of first U-shaped pipes arranged at intervals and a plurality of first supporting plates arranged at intervals, the first U-shaped pipes are communicated with the heat source inlet pipe, the first supporting plates are fixedly arranged on the liquid homogenizing plate, and the first U-shaped pipes penetrate through the first supporting plates.
Further, the second heating pipeline assembly comprises a plurality of second U-shaped pipes arranged at intervals and two second supporting plates arranged at intervals, the second U-shaped pipes are communicated with the heat source outlet pipe, the second supporting plates are fixedly arranged between the partition plates and the cylinder body, and the second U-shaped pipes penetrate through the second supporting plates.
Further, the device also comprises a plurality of baffle plates which are arranged at intervals, wherein the baffle plates are sleeved on the second U-shaped pipe and connected with the partition plate and the cylinder body, the baffle plates are positioned between the two second support plates, gaps are arranged between the baffle plates and the cylinder body, and the adjacent gaps are arranged in a staggered mode.
Further, a first connecting flange is fixedly arranged on the heat source side end cover, a second connecting flange is arranged at one end of the cylinder body, which is away from the sealing head, and the first connecting flange is fixedly connected with the second connecting flange through a connecting piece.
Further, a tube plate is fixedly arranged at one end of the heat source side end cover, facing the cylinder body, and the first heating pipeline assembly and the second heating pipeline assembly are fixedly connected with the tube plate.
Further, the evaporator further comprises a gas baffle plate, the gas baffle plate is arranged in the evaporation space along the extending direction of the cylinder body, the gas baffle plate is connected with the upper inner end surface of the cylinder body, and a ventilation groove is formed in the gas baffle plate.
Further, the cylinder body comprises a conical section and a cylindrical section which are connected with each other, the conical section is connected with the heat source side end cover, and one end, far away from the conical section, of the cylindrical section is fixedly provided with the sealing head.
The invention has the beneficial effects that:
the invention provides a kettle type evaporator, wherein a baffle plate is arranged in a cylinder body, the inner space of the cylinder body is divided into a preheating space and an evaporating space which are communicated up and down by the baffle plate, a working medium inlet which is communicated with the preheating space is formed in the lower end of the cylinder body, a working medium outlet which is communicated with the evaporating space is formed in the upper end of the cylinder body, a heat source side end cover is arranged at one end of the cylinder body, a heat source inlet pipe and a heat source outlet pipe which are not communicated with each other are formed in the heat source side end cover, a second heating pipeline component is arranged in the preheating space, a first heating pipeline component is arranged in the evaporating space, the second heating pipeline component preheats liquid working medium, the first heating pipeline component further heats the preheated working medium, so that the working medium enters into the next link through the working medium outlet in a gaseous state, and the first heating pipeline component and the second heating pipeline component can be arranged in parallel or in series. Through above-mentioned setting, with the integrated structure size that is in the same place of evaporimeter and pre-heater, reduce cost, reduce space and occupy, can carry out effective heating to the working medium through parallelly connected or the first heating pipeline subassembly and the second heating pipeline subassembly that establish ties to guarantee the effect to working medium heating.
Drawings
FIG. 1 is a front view of a kettle evaporator of the present invention;
FIG. 2 is a top view of a kettle evaporator of the present invention;
FIG. 3 is a left side view of a kettle evaporator of the present invention;
FIG. 4 is a schematic view of a tube sheet in a kettle evaporator of the present invention;
FIG. 5 is a schematic view of a second support plate in a kettle-type evaporator according to the present invention;
FIG. 6 is a schematic view of baffles in a kettle evaporator according to the present invention;
FIG. 7 is a schematic view of a liquid-homogenizing plate in a kettle evaporator of the present invention.
In the figure:
1. a cylinder; 11. a cylindrical section; 12. a conical section; 13. a seal head; 14. a working medium outlet; 15. a working medium inlet; 16. a second connection flange; 17. a support base; 2. a heat source side end cap; 21. a heat source inlet tube; 22. a heat source outlet tube; 23. a first connection flange; 24. a tube sheet; 241. a fixing hole; 242. a channel; 3. a partition plate; 4. a liquid homogenizing plate; 41. a liquid homogenizing space; 42. a through hole; 5. a second support plate; 6. a baffle plate; 7. a gas baffle; 71. a vent groove; 8. a first heating circuit assembly; 81. a first U-shaped tube; 82. a first support plate.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the process of heating working media by utilizing the preheater and the evaporator, in order to reduce the structural size of the evaporator and the preheater, reduce the cost and space occupation, the invention provides a kettle type evaporator as shown in fig. 1-7. The kettle-type evaporator comprises a cylinder body 1, a heat source side end cover 2 and a heating assembly.
Wherein, a seal head 13 is fixedly arranged at one end of the cylinder body 1, a baffle plate 3 is fixedly arranged in the cylinder body 1 along the extending direction of the cylinder body 1, the baffle plate 3 divides the inner space of the cylinder body 1 into a preheating space and an evaporating space which are communicated, the preheating space is positioned below the evaporating space, a working medium inlet 15 communicated with the preheating space is arranged at the lower end of the cylinder body 1, and a working medium outlet 14 communicated with the evaporating space is arranged at the upper end of the cylinder body 1; the heat source side end cover 2 is fixedly arranged at one end of the cylinder body 1 far away from the seal head 13, and a heat source inlet pipe 21 and a heat source outlet pipe 22 which are not communicated with each other are arranged on the heat source side end cover 2; the heating assembly includes a first heating pipe assembly 8 and a second heating pipe assembly, the first heating pipe assembly 8 is disposed in the evaporation space along the axial direction of the cylinder 1, the second heating pipe assembly is disposed in the preheating space along the axial direction of the cylinder 1, and the heating assembly is configured to: when being connected in parallel, one end of the first heating pipeline assembly 8 and one end of the second heating pipeline are communicated with the heat source inlet pipe 21, and the other end of the first heating pipeline assembly and the other end of the second heating pipeline assembly are communicated with the heat source outlet pipe 22; when connected in series, one end of the first heating pipe assembly 8 is communicated with the heat source inlet pipe 21, the other end is communicated with one end of the second heating pipe assembly, and the other end of the second heating pipe assembly is communicated with the heat source outlet pipe 22.
Through above-mentioned setting, with the evaporator and the integration of pre-heater for the compact structure of evaporator and pre-heater can reduce the size of structure, and reduce cost reduces the space and occupies, can carry out effective heating to the working medium through parallelly connected or the first heating pipeline subassembly 8 and the second heating pipeline subassembly that establish ties and set up, thereby guarantees the effect to working medium heating.
Further, the kettle-type evaporator further comprises a liquid homogenizing plate 4, the liquid homogenizing plate 4 is fixedly arranged on the partition plate 3, the liquid homogenizing plate 4 and the partition plate 3 form a liquid homogenizing space 41 along the extending direction of the partition plate 3, the liquid homogenizing space 41 is communicated with the preheating space, and a plurality of through holes 42 communicated with the liquid homogenizing space 41 and the evaporating space are uniformly distributed on the liquid homogenizing plate 4. Specifically, a communicating hole is formed in one side, far away from the heat source side end cover 2, of the partition plate 3, and after heat exchange between the working medium and the second heating pipeline assembly, the working medium enters the liquid homogenizing space 41 through the communicating hole, and then enters the evaporation space through the through hole 42 on the liquid homogenizing plate 4 for secondary heating evaporation. Through setting up samming board 4, can guarantee that the working medium is through preheating the space after, evenly enter into the evaporation space, promote the homogeneity of working medium heating.
Further, a plurality of edge folding structures are arranged on the liquid homogenizing plate 4 at intervals, and through holes 42 are formed in inclined planes of the edge folding structures. By arranging the edge folding structure, the strength of the liquid homogenizing plate 4 is improved. Specifically, in this embodiment, the hemming structure is triangular, the included angle of the hemming structure is 90 ° -150 °, the diameter of the opening is 5-40mm, and the total area of all the through holes 42 is 1-4 times the area of the working medium inlet 15. Through the arrangement, working media enter the evaporation space at a certain included angle instead of being directly upwards, so that disturbance of working media liquid is increased, and good liquid separation effect and heat exchange performance are realized.
Further, the first heating pipe assembly 8 includes a plurality of first U-shaped pipes 81 arranged in parallel at intervals and a plurality of first support plates 82 arranged at intervals, the first U-shaped pipes 81 are communicated with the heat source inlet pipe 21, the first support plates 82 are fixedly arranged on the liquid homogenizing plate 4, and the first U-shaped pipes 81 are arranged in the first support plates 82 in a penetrating manner. Specifically, a plurality of first support holes are uniformly provided in the first support plate 82, the first U-shaped pipe 81 passes through the first support holes, and the first support plate 82 can play a role in supporting the first U-shaped pipe 81. And the first hairpin tube 81 can be elongated and contracted in the axial direction while the first hairpin tube 81 is heated or heat-exchanged with the working medium.
Further, the second heating pipeline assembly comprises a plurality of second U-shaped pipes arranged at intervals and two second supporting plates 5 arranged at intervals, the second U-shaped pipes are communicated with the heat source outlet pipe 22, the second supporting plates 5 are fixedly arranged between the partition plate 3 and the cylinder body 1, and the second U-shaped pipes are arranged in the second supporting plates 5 in a penetrating mode. Specifically, two first backup pads 82 are located the both ends of second U-shaped pipe, evenly set up a plurality of first supporting holes on the second backup pad 5, and the second U-shaped pipe passes the second supporting hole, and second backup pad 5 can play the effect to the support of second U-shaped pipe. And when the second U-shaped pipe is heated or exchanges heat with the working medium, the second U-shaped pipe can extend and contract in the axial direction. Therefore, the problem of thermal stress caused by different temperature fields in the evaporation space and the preheating space is effectively solved.
Further, the kettle-type evaporator further comprises a plurality of baffle plates 6 which are arranged at intervals, the baffle plates 6 are sleeved on the second U-shaped pipe and connected with the partition plate 3 and the cylinder body 1, the baffle plates 6 are positioned between the two second support plates 5, gaps are arranged between the baffle plates 6 and the cylinder body 1, and adjacent gaps are arranged in a staggered mode. Specifically, a plurality of third supporting holes are formed in the baffle plate 6, the second U-shaped pipe penetrates through the third supporting holes, and the baffle plate 6 plays a role in supporting the second U-shaped pipe. Meanwhile, due to the fact that gaps between the baffle plate 6 and the cylinder body 1 are not right, after the working medium enters the preheating space, the working medium finally enters the liquid homogenizing space 41 through different gaps. Through the arrangement, the flowing distance of the working fluid can be prolonged, the disturbance of the working fluid is increased, the working fluid and the first heating pipeline assembly 8 are guaranteed to perform sufficient heat exchange, and the heat exchange effect is guaranteed.
Further, a first connecting flange 23 is fixedly arranged on the heat source side end cover 2, a second connecting flange 16 is arranged at one end of the cylinder body 1, which is away from the sealing head 13, and the first connecting flange 23 and the second connecting flange 16 are fixedly connected through a connecting piece. Specifically, the first connection flange 23 is welded to the heat source side end cap 2, and the first connection flange 23 is butted with the second connection flange 16, so that the heat source side end cap 2 is mounted on the cylinder 1. By adopting the above manner, the heat source side end cap 2 is convenient to mount and dismount.
Further, a tube plate 24 is fixedly arranged at one end of the heat source side end cover 2 facing the cylinder 1, and the first heating pipeline assembly 8 and the second heating pipeline assembly are fixedly connected with the tube plate 24. Specifically, there are two areas of evaporation area and preheating area on the tube sheet 24, there is a non-open area between the two areas, meanwhile, there are reserved channels 242 arranged along the vertical direction in the evaporation area, the width of the channels 242 is 1.5-2.5 times of the diameter of the second U-shaped tube, and the number of the channels 242 is usually 1-5. By providing the channel 242, the working medium evaporates to form a gas after heat exchange with the second U-shaped tube, and the gas can rapidly rise through the channel 242 to enter the working medium outlet 14. Fixing holes 241 are uniformly distributed on the tube plate 24, and the fixing holes 241 are arranged in a triangle-turning mode, so that smooth flow paths are formed between the adjacent first U-shaped tubes 81 and the adjacent second U-shaped tubes, and gasified working media can enter the working media outlet 14 through the flow paths quickly.
Further, the kettle-type evaporator further comprises a gas baffle 7, the gas baffle 7 is arranged in the evaporation space along the extending direction of the cylinder body 1, the gas baffle 7 is connected with the upper inner end surface of the cylinder body 1, and a ventilation groove 71 is formed in the gas baffle 7. Specifically, the air baffle 7 has a structure similar to a trapezoid, and ventilation grooves 71 are formed on both sides of the trapezoid, and no ventilation groove 71 is formed at a position facing the working medium outlet 14. Through the arrangement, the working medium gas can fall under the action of dead weight in the process of carrying liquid to rise, or is attached to the gas baffle plate 7, the gas enters the working medium outlet 14 through the ventilation groove 71 to be discharged, and the gas baffle plate 7 promotes the gas-liquid separation capacity of the evaporator, so that the liquid phase working medium is prevented from escaping from the cylinder body 1.
Further, the cylinder 1 includes a tapered section 12 and a cylindrical section 11 connected to each other, the tapered section 12 is connected to the heat source side end cap 2, and an end of the cylindrical section 11 remote from the tapered section 12 is fixedly provided with a head 13. Through the arrangement, the volume of the cylinder body 1 can be prevented from being too large, a certain converging effect is achieved by utilizing the conical section 12, and the installation of the heat source side end cover 2 is facilitated; the cylindrical section 11 is utilized to have a certain height, so that the working medium outlet 14 has a certain height, and liquid drops carried in the working medium outlet drop under the action of dead weight in the process of rising the working medium gas, so that the gas-liquid separation effect is ensured.
Further, the partition plate 3 is provided in the heat source side end cap 2, and the partition plate 3 separates the heat source inlet tube 21 and the heat source outlet tube 22, so that it is possible to prevent mixing between the heated medium and the medium having completed heat exchange.
Further, a plurality of support seats 17 are provided along the extending direction of the cylinder 1, and the cylinder 1 is mounted on the support seats 17.
The working principle of the kettle type evaporator is as follows:
the working medium is preheated and evaporated in the kettle type evaporator as follows: the working medium liquid pressurized by the working medium pump enters the preheating space through the working medium inlet 15, and the working medium flows around along the outer part of the second U-shaped pipe and exchanges heat with the heat source in the second U-shaped pipe, so that the working medium heating process is completed. The working medium flows out through the holes of the partition plate 3 and enters the liquid-homogenizing space 41. The working medium uniformly flows out through the liquid-homogenizing plate 4, enters an evaporation space, exchanges heat with an in-tube heat source, evaporates the working medium and generates working medium gas. Working medium gas flows out from the working medium outlet 14 through the gas baffle 7.
The heat source is usually steam or hot water with the temperature of more than 100 ℃, and the heat source is moved to the tube side of the kettle type evaporator to finish the condensation or cooling process. If the first heating pipeline assembly 8 is connected in parallel with the second heating pipeline assembly, the pipe side is divided into two flows, specifically as follows: taking steam as an example, the steam enters the heat source side end cover 2 from the heat source inlet pipe 21, the steam enters the first U-shaped pipe 81 and the second U-shaped pipe, the first U-shaped pipe 81 exchanges heat with working medium outside the pipe, and the steam returns to the heat source side end cover 2 after condensation and cooling and flows out through the heat source outlet pipe 22; the second U-shaped pipe exchanges heat with the working medium outside the pipe (preheating), and after condensation and cooling, returns to the heat source side end cover 2 and flows out through the heat source outlet pipe 22.
If the first heating pipe assembly 8 is connected in series with the second heating pipe assembly, the following is specific: taking steam as an example, the steam enters the heat source side end cover 2 with the partition plate 3 from the heat source inlet pipe 21, enters the first U-shaped pipe 81, exchanges heat with the working medium outside the pipe (evaporation), returns to the heat source side end cover 2 from the first U-shaped pipe 81 after condensation, enters the second U-shaped pipe to exchange heat with the working medium outside the pipe (preheating), returns to the heat source side end cover 2 from the second U-shaped pipe after condensation and cooling, and flows out from the heat source outlet pipe 22.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. Kettle type evaporator, its characterized in that includes:
the device comprises a barrel body (1), wherein one end of the barrel body (1) is provided with a sealing head (13), a partition plate (3) is fixedly arranged in the barrel body (1) along the extending direction of the barrel body (1), the partition plate (3) divides the inner space of the barrel body (1) into a preheating space and an evaporating space which are communicated, the preheating space is positioned below the evaporating space, the lower end of the barrel body (1) is provided with a working medium inlet (15) communicated with the preheating space, and the upper end of the barrel body (1) is provided with a working medium outlet (14) communicated with the evaporating space;
a heat source side end cover (2), wherein the heat source side end cover (2) is fixedly arranged at one end of the cylinder body (1) far away from the seal head (13), and a heat source inlet pipe (21) and a heat source outlet pipe (22) which are not communicated with each other are arranged on the heat source side end cover (2);
heating assembly, including first heating pipeline subassembly (8) and second heating pipeline subassembly, first heating pipeline subassembly (8) are followed the axial setting of barrel (1) is in the evaporation space, second heating pipeline subassembly is followed the axial setting of barrel (1) is in the preheating space, heating assembly is configured to: when the two heating pipes are connected in parallel, one end of each of the first heating pipe assembly (8) and the second heating pipe assembly is communicated with the heat source inlet pipe (21), and the other end of each of the first heating pipe assembly and the second heating pipe assembly is communicated with the heat source outlet pipe (22); when connected in series, one end of the first heating pipeline assembly (8) is communicated with the heat source inlet pipe (21), the other end of the first heating pipeline assembly is communicated with one end of the second heating pipeline assembly, and the other end of the second heating pipeline assembly is communicated with the heat source outlet pipe (22).
2. The kettle-type evaporator according to claim 1, further comprising a liquid-homogenizing plate (4), wherein the liquid-homogenizing plate (4) is fixedly arranged on the partition board (3), the liquid-homogenizing plate (4) and the partition board (3) form a liquid-homogenizing space (41), the liquid-homogenizing space (41) is communicated with the preheating space, and a plurality of through holes (42) communicated with the liquid-homogenizing space (41) and the evaporation space are uniformly distributed on the liquid-homogenizing plate (4).
3. Kettle-type evaporator according to claim 2, characterized in that a plurality of flanging structures are arranged on the liquid-homogenizing plate (4) at intervals, and the through holes (42) are arranged on the inclined planes of the flanging structures.
4. The kettle evaporator as claimed in claim 2, wherein said first heating pipe assembly (8) comprises a plurality of first U-shaped pipes (81) arranged at intervals and a plurality of first support plates (82) arranged at intervals, said first U-shaped pipes (81) are communicated with said heat source inlet pipe (21), said first support plates (82) are fixedly arranged on said liquid homogenizing plate (4), and said first U-shaped pipes (81) are arranged in said first support plates (82) in a penetrating manner.
5. The kettle-type evaporator as claimed in claim 1, wherein said second heating line assembly comprises a plurality of second U-shaped tubes arranged at intervals and two second support plates (5) arranged at intervals, said second U-shaped tubes being in communication with said heat source outlet tube (22), said second support plates (5) being fixedly arranged between said partition plate (3) and said cylinder (1), said second U-shaped tubes being provided in said second support plates (5).
6. The kettle-type evaporator as claimed in claim 5, further comprising a plurality of baffle plates (6) arranged at intervals, wherein the baffle plates (6) are sleeved on the second U-shaped pipe and are connected with the partition plate (3) and the cylinder body (1), the baffle plates (6) are positioned between the two second support plates (5), gaps are arranged between the baffle plates (6) and the cylinder body (1), and adjacent gaps are arranged in a staggered manner.
7. The kettle-type evaporator as claimed in any one of claims 1 to 6, wherein a first connecting flange (23) is fixedly arranged on the heat source side end cover (2), a second connecting flange (16) is arranged at one end of the cylinder (1) which is away from the sealing head (13), and the first connecting flange (23) is fixedly connected with the second connecting flange (16) through a connecting piece.
8. Kettle evaporator according to claim 1, characterized in that the heat source side end cap (2) is fixedly provided with a tube plate (24) towards one end of the cylinder (1), the first heating tube assembly (8) and the second heating tube assembly being fixedly connected with the tube plate (24).
9. The kettle-type evaporator as claimed in claim 1, further comprising a gas baffle plate (7), wherein the gas baffle plate (7) is arranged in the evaporation space along the extending direction of the cylinder body (1), the gas baffle plate (7) is connected with the upper inner end surface of the cylinder body (1), and a ventilation groove (71) is formed in the gas baffle plate (7).
10. Kettle evaporator according to claim 1, characterized in that the cylinder (1) comprises a conical section (12) and a cylindrical section (11) connected to each other, the conical section (12) being connected to the heat source side end cap (2), the end of the cylindrical section (11) remote from the conical section (12) being fixedly provided with the closure head (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311617533.XA CN117298621A (en) | 2023-11-30 | 2023-11-30 | Kettle type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311617533.XA CN117298621A (en) | 2023-11-30 | 2023-11-30 | Kettle type evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117298621A true CN117298621A (en) | 2023-12-29 |
Family
ID=89255736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311617533.XA Pending CN117298621A (en) | 2023-11-30 | 2023-11-30 | Kettle type evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117298621A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382237A (en) * | 2022-09-23 | 2022-11-25 | 珠海格力电器股份有限公司 | Reboiler device |
| CN116212415A (en) * | 2023-02-24 | 2023-06-06 | 烁丰科技(苏州)有限公司 | Preheating evaporator for ORC power generation equipment and ORC power generation equipment |
| CN220039179U (en) * | 2023-05-17 | 2023-11-17 | 哈尔滨锅炉厂有限责任公司 | Novel preheating evaporator for solar thermal power generation system |
-
2023
- 2023-11-30 CN CN202311617533.XA patent/CN117298621A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382237A (en) * | 2022-09-23 | 2022-11-25 | 珠海格力电器股份有限公司 | Reboiler device |
| CN116212415A (en) * | 2023-02-24 | 2023-06-06 | 烁丰科技(苏州)有限公司 | Preheating evaporator for ORC power generation equipment and ORC power generation equipment |
| CN220039179U (en) * | 2023-05-17 | 2023-11-17 | 哈尔滨锅炉厂有限责任公司 | Novel preheating evaporator for solar thermal power generation system |
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