CN214250652U - Heat exchanger for chemical production - Google Patents
Heat exchanger for chemical production Download PDFInfo
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- CN214250652U CN214250652U CN202023250778.8U CN202023250778U CN214250652U CN 214250652 U CN214250652 U CN 214250652U CN 202023250778 U CN202023250778 U CN 202023250778U CN 214250652 U CN214250652 U CN 214250652U
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Abstract
The utility model discloses a heat exchanger for chemical production belongs to heat exchanger technical field. The heat exchanger comprises a heat exchanger body, a conical collecting tank and an inner circulating pipe, wherein a steam slow flow chamber is arranged at the top of the heat exchanger body, and a steam medium inlet is formed in the side surface of the heat exchanger body; two ends of the heat exchange tube are respectively communicated with the upper bottom plate and the lower bottom plate and are fixed on the upper bottom plate and the lower bottom plate; the condensation bent pipe is arranged around the heat exchange pipe; the heat exchange tube is provided with an external thread; the heat exchange tubes are fixed with the upper bottom plate and the lower bottom plate through connecting snap rings, and connecting holes are formed in the upper bottom plate and the lower bottom plate; the connecting snap ring comprises a connecting pipe and a connecting disc, a fixing hole is formed in the connecting disc, an internal thread is formed in the connecting pipe, the internal thread is matched with an external thread of the heat exchange pipe, and the connecting snap ring is fixed on the heat exchange pipe; the connecting hole and the fixing hole are provided with bolts and nuts. The connection part of the heat exchanger is connected by threads, so that the heat exchanger is convenient to disassemble and assemble; and the leakage observation device can find the use state of the heat exchanger in time.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger, concretely relates to heat exchanger for chemical production.
Background
The heat exchanger is a device for transferring partial heat of hot fluid to cold fluid, and is widely applied to chemical production. After the heat exchanger is used for a long time, a water channel is easy to condense in the heat exchange tube positioned in the heat exchanger, and scales of the pipeline in the heat exchange tube are difficult to clean, so that the cleaning is very time-consuming; on the other hand, most connecting parts of the existing heat exchanger are welded and fixed, so that the heat exchange pipe is inconvenient to disassemble, and even if the shell is opened, the heat exchange pipe is inconvenient to take out; but the leakage condition can not be timely found by the existing heat exchanger.
Disclosure of Invention
Aiming at the problems in the prior art, the technical problem to be solved by the utility model is to provide a heat exchanger for chemical production, wherein the joints of the heat exchanger are connected by screw threads, so that the heat exchanger is convenient to disassemble and assemble; and the leakage observation device can find the use state of the heat exchanger in time so as to avoid delaying production work.
In order to solve the above problem, the utility model adopts the following technical scheme:
a heat exchanger for chemical production comprises a heat exchanger body, a conical collecting tank arranged below the heat exchanger body and an internal circulation pipe arranged in the heat exchanger body, wherein a steam slow flow chamber is arranged at the top of the heat exchanger body, and a steam medium inlet is formed in the side surface of the steam slow flow chamber;
an upper bottom plate, a heat exchange tube, a condensation elbow and a lower bottom plate are arranged in the heat exchanger body, and two ends of the heat exchange tube are respectively communicated with the upper bottom plate and the lower bottom plate and are fixed on the upper bottom plate and the lower bottom plate; the condensation elbow is arranged around the heat exchange tube, a condensed water outlet and a condensed fluid inlet are formed in the outer side wall of the heat exchanger body, the condensed water outlet and the condensed fluid inlet are both communicated with the condensation elbow, and the condensed fluid inlet is formed below the condensed water outlet;
the heat exchange tube is provided with an external thread; the heat exchange tubes and the upper base plate and the lower base plate are fixed through connecting snap rings, and connecting holes are formed in the upper base plate and the lower base plate; the connecting clamp ring comprises a connecting pipe and a connecting disc, and a fixing hole is formed in the connecting disc; the connecting pipe is provided with an internal thread which is matched with the external thread of the heat exchange pipe, and the connecting snap ring is fixed on the heat exchange pipe; the connecting hole and the fixing hole are provided with bolts and nuts.
The heat exchanger for chemical production is characterized in that the heat exchanger body is in threaded connection with the conical collecting tank, and a sealing gasket is arranged at the threaded connection position.
The heat exchanger for chemical production is characterized in that a sealing bottom plate is fixedly mounted at the bottom of the inner wall of the heat exchanger body, heat exchange tube holes are formed in the sealing bottom plate, a water guide groove is formed in the upper portion of the sealing bottom plate, and an observation water tank is fixedly mounted at one end of the water guide groove.
The heat exchanger for chemical production is characterized in that a plurality of baffle plates are arranged in the heat exchanger body, and the baffle plates are fixedly arranged on the inner side wall of the heat exchanger body; a plurality of pipe holes and condensation elbow through holes are uniformly formed in the baffle plate; the pipe hole is provided with an internal thread; the heat exchange tube is provided with an external thread, and the internal thread of the tube hole is matched with the external thread of the heat exchange tube.
The heat exchanger for chemical production, the side of toper collecting vat upper end is equipped with the extrinsic cycle pipe, the outer cycle pipe mid portion even has the draught fan, the other end of extrinsic cycle pipe passes the heat exchanger body and is connected with the inner circulation pipe of locating the heat exchanger body inside, the other end of inner circulation pipe advances inside the toper collecting vat.
The heat exchanger for chemical production is characterized in that filter plates are arranged at the steam medium inlet and the condensate inlet.
Has the advantages that: compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a liquid that the seepage can take place for the guiding gutter is poured into and is observed the water tank, can observe whether the seepage of heat exchanger, even the maintenance heat exchanger of being convenient for prevents to lead to the heat exchanger to destroy and scrap because of delaying the wake.
(2) The utility model discloses a filter filters the impurity in steam medium and the condensate, prevents to block the water changing pipe at the intraductal deposit of heat transfer, leads to the water changing pipe because of blocking pressure is too big emergence seepage, has guaranteed heat exchanger heat transfer function, has improved the life of heat exchanger.
Drawings
FIG. 1 is a schematic structural diagram of a heat exchanger for chemical production;
FIG. 2 is a schematic view of the connection snap ring;
FIG. 3 is a schematic view of the baffle arrangement.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Example 1
A heat exchanger for chemical production comprises a heat exchanger body 1, a conical collecting tank 2 arranged below the heat exchanger body 1, and an inner circulating pipe (not shown in the figure) arranged in the heat exchanger body 1, wherein a steam slow flow chamber 3 is arranged at the top of the heat exchanger body 1, and a steam medium inlet 11 is arranged on the side surface of the steam slow flow chamber 3; the filtering plate is arranged at the steam medium inlet 11, impurities in the steam medium are filtered through the filtering plate, and the phenomenon that the water changing pipe is blocked due to deposition in the heat exchanging pipe is prevented, so that the water changing pipe leaks due to overlarge blocking pressure, the heat exchanging function of the heat exchanger is ensured, and the service life of the heat exchanger is prolonged; the heat exchanger body 1 is in threaded connection with the conical collecting tank 2, and a sealing gasket is arranged at the threaded connection position. The sealing performance is better, prevents to appear leaking.
An upper bottom plate 5, a heat exchange tube 9, a condensation elbow 10 and a lower bottom plate 6 are arranged in the heat exchanger body 1, two ends of the heat exchange tube 9 are respectively communicated with the upper bottom plate 5 and the lower bottom plate 6 and are fixed on the upper bottom plate 5 and the lower bottom plate 6; the condensation elbow 10 is arranged around the heat exchange tube 9, the outer side wall of the heat exchanger body 1 is provided with a condensation water outlet 12 and a condensate inlet 13, the condensation water outlet 12 and the condensate inlet 13 are both communicated with the condensation elbow 10, and the condensate inlet 13 is arranged below the condensation water outlet 12;
the heat exchange tube 9 is provided with an external thread; the heat exchange tubes 9 and the upper base plate 5 and the heat exchange tubes 9 and the lower base plate 6 are fixed through connecting snap rings, and connecting holes are formed in the upper base plate 5 and the lower base plate 6; the connecting snap ring comprises a connecting pipe 17 and a connecting disc 18, and a fixing hole 19 is formed in the connecting disc 18; the connecting pipe 17 is provided with an internal thread which is matched with the external thread of the heat exchange pipe 9, and the connecting snap ring is fixed on the heat exchange pipe 9; the connecting holes and the fixing holes 19 are provided with bolts and nuts; the heat exchange tube 9 is fixed by connecting the snap ring, so that the heat exchange tube is more convenient to disassemble and assemble and is cleaned one by one, and the cleaning is more thorough.
Example 2
A heat exchanger for chemical production comprises a heat exchanger body 1, a conical collecting tank 2 arranged below the heat exchanger body 1, and an inner circulating pipe (not shown in the figure) arranged in the heat exchanger body 1, wherein a steam slow flow chamber 3 is arranged at the top of the heat exchanger body 1, and a steam medium inlet 11 is arranged on the side surface of the steam slow flow chamber 3; the filtering plate is arranged at the steam medium inlet 11, impurities in the steam medium are filtered through the filtering plate, and the phenomenon that the water changing pipe is blocked due to deposition in the heat exchanging pipe is prevented, so that the water changing pipe leaks due to overlarge blocking pressure, the heat exchanging function of the heat exchanger is ensured, and the service life of the heat exchanger is prolonged; the heat exchanger body 1 is in threaded connection with the conical collecting tank 2, and a sealing gasket is arranged at the threaded connection position. The sealing performance is better, prevents to appear leaking.
An upper bottom plate 5, a heat exchange tube 9, a condensation elbow 10 and a lower bottom plate 6 are arranged in the heat exchanger body 1, two ends of the heat exchange tube 9 are respectively communicated with the upper bottom plate 5 and the lower bottom plate 6 and are fixed on the upper bottom plate 5 and the lower bottom plate 6; the condensation elbow 10 is arranged around the heat exchange tube 9, the outer side wall of the heat exchanger body 1 is provided with a condensation water outlet 12 and a condensate inlet 13, the condensation water outlet 12 and the condensate inlet 13 are both communicated with the condensation elbow 10, and the condensate inlet 13 is arranged below the condensation water outlet 12; the condensate import 13 department is equipped with the filter, plays the effect of filtering some impurity.
The heat exchange tube 9 is provided with an external thread; the heat exchange tubes 9 and the upper base plate 5 and the heat exchange tubes 9 and the lower base plate 6 are fixed through connecting snap rings, and connecting holes are formed in the upper base plate 5 and the lower base plate 6; the connecting clamping ring comprises a connecting pipe 17 and a connecting disc 18, and a fixing hole 19 is formed in the connecting disc 18; the connecting pipe 17 is provided with an internal thread which is matched with the external thread of the heat exchange pipe 9, and the connecting snap ring is fixed on the heat exchange pipe 9; the connecting holes and the fixing holes 19 are provided with bolts and nuts; the heat exchange tube 9 is fixed by connecting the snap ring, so that the heat exchange tube is more convenient to disassemble and assemble and is cleaned one by one, and the cleaning is more thorough.
A sealing bottom plate is fixedly arranged at the bottom of the inner wall of the heat exchanger body 1, a heat exchange tube hole is formed in the sealing bottom plate, a water guide groove is formed in the upper portion of the sealing bottom plate, and an observation water tank 8 is fixedly arranged at one end of the water guide groove; the liquid that can take place the seepage through the guiding gutter is poured into and is observed the water tank, can observe whether the heat exchanger leaks, even be convenient for maintain the heat exchanger, prevent to lead to the heat exchanger to destroy and scrap because of delaying the wake.
A plurality of baffle plates 20 are arranged in the heat exchanger body 1, and the baffle plates 20 are fixedly arranged on the inner side wall of the heat exchanger body 1; a plurality of pipe holes 16 and condensation elbow through holes are uniformly formed on the baffle plate 20; the pipe hole 16 is provided with internal threads; the heat exchange tube 9 is provided with an external thread, and the internal thread of the tube hole 16 is matched with the external thread of the heat exchange tube 9. An outer circulating pipe 14 is arranged on the side face of the upper end of the conical collecting tank 2, the middle part of the outer circulating pipe 14 is connected with an induced draft fan 15, the other end of the outer circulating pipe 14 penetrates through the heat exchanger body 1 and is connected with an inner circulating pipe arranged inside the heat exchanger body 1, and the other end of the inner circulating pipe enters the conical collecting tank 2; and part of uncondensed steam enters the inner circulation pipeline through the outer circulation pipeline, so that the steam is condensed more thoroughly.
Claims (6)
1. The heat exchanger for chemical production is characterized by comprising a heat exchanger body (1), a conical collecting tank (2) arranged below the heat exchanger body (1) and an inner circulating pipe arranged in the heat exchanger body (1), wherein a steam slow flow chamber (3) is arranged at the top of the heat exchanger body (1), and a steam medium inlet (11) is formed in the side surface of the steam slow flow chamber (3);
an upper bottom plate (5), a heat exchange tube (9), a condensation elbow (10) and a lower bottom plate (6) are arranged in the heat exchanger body (1), two ends of the heat exchange tube (9) are respectively communicated with the upper bottom plate (5) and the lower bottom plate (6) and are fixed on the upper bottom plate (5) and the lower bottom plate (6); the condensation elbow (10) is arranged around the heat exchange tube (9), the outer side wall of the heat exchanger body (1) is provided with a condensed water outlet (12) and a condensed liquid inlet (13), the condensed water outlet (12) and the condensed liquid inlet (13) are both communicated with the condensation elbow (10), and the condensed liquid inlet (13) is arranged below the condensed water outlet (12);
the heat exchange tube (9) is provided with an external thread; the heat exchange tubes (9) and the upper bottom plate (5) and the heat exchange tubes (9) and the lower bottom plate (6) are fixed through connecting snap rings, and connecting holes are formed in the upper bottom plate (5) and the lower bottom plate (6); the connecting clamping ring comprises a connecting pipe (17) and a connecting disc (18), and a fixing hole (19) is formed in the connecting disc (18); the connecting pipe (17) is provided with an internal thread which is matched with the external thread of the heat exchange pipe (9) to fix the connecting snap ring on the heat exchange pipe (9); the connecting holes and the fixing holes (19) are provided with bolts and nuts.
2. The heat exchanger for chemical production according to claim 1, wherein the heat exchanger body (1) is in threaded connection with the tapered collecting tank (2), and a sealing gasket is arranged at the threaded connection.
3. The heat exchanger for chemical production according to claim 1, wherein a sealing bottom plate (7) is fixedly mounted at the bottom of the inner wall of the heat exchanger body (1), heat exchange tube holes are formed in the sealing bottom plate (7), a water chute is formed above the sealing bottom plate, and an observation water tank (8) is fixedly mounted at one end of the water chute.
4. The heat exchanger for chemical production according to claim 1, wherein a plurality of baffle plates (20) are arranged in the heat exchanger body (1), and the baffle plates (20) are fixedly arranged on the inner side wall of the heat exchanger body (1); a plurality of pipe holes (16) and through holes of the condensation bent pipe are uniformly formed in the baffle plate (20); the pipe hole (16) is provided with internal threads; and the heat exchange tube (9) is provided with an external thread, and the internal thread of the tube hole (16) is matched with the external thread of the heat exchange tube (9).
5. The heat exchanger for chemical production according to claim 1, wherein an external circulation pipe (14) is arranged on the side surface of the upper end of the conical collecting tank (2), an induced draft fan (15) is connected to the middle part of the external circulation pipe (14), the other end of the external circulation pipe (14) penetrates through the heat exchanger body (1) and is connected with an internal circulation pipe arranged inside the heat exchanger body (1), and the other end of the internal circulation pipe enters the conical collecting tank (2).
6. The heat exchanger for chemical production according to claim 1, wherein the vapor medium inlet (11) and the condensate inlet (13) are provided with filter plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250778.8U CN214250652U (en) | 2020-12-29 | 2020-12-29 | Heat exchanger for chemical production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250778.8U CN214250652U (en) | 2020-12-29 | 2020-12-29 | Heat exchanger for chemical production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214250652U true CN214250652U (en) | 2021-09-21 |
Family
ID=77744087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023250778.8U Active CN214250652U (en) | 2020-12-29 | 2020-12-29 | Heat exchanger for chemical production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214250652U (en) |
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2020
- 2020-12-29 CN CN202023250778.8U patent/CN214250652U/en active Active
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