CN219051190U - Low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment - Google Patents
Low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment Download PDFInfo
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- CN219051190U CN219051190U CN202223560631.8U CN202223560631U CN219051190U CN 219051190 U CN219051190 U CN 219051190U CN 202223560631 U CN202223560631 U CN 202223560631U CN 219051190 U CN219051190 U CN 219051190U
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Abstract
The utility model discloses low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment, which comprises a steam conveying pipe, wherein a low-pressure steam regulating valve is arranged on the left side above the steam conveying pipe, a high-pressure steam inlet electric valve is arranged on the left side of the low-pressure steam regulating valve, a sealing ring is arranged on the left side of the steam conveying pipe, and an adjusting screw rod is arranged in the sealing ring in a penetrating manner; the adjusting link rod is arranged on the right side of the adjusting screw rod, the right side of the adjusting link rod is provided with a high-pressure nozzle, a high-pressure nozzle chamber is arranged in the high-pressure nozzle, and a low-pressure chamber is arranged between the high-pressure nozzle and the inner wall of the steam delivery pipe. According to the low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment, the low-temperature low-pressure steam adjusting valve and the gap between the adjusting connecting rod and the inner wall of the high-pressure nozzle are adjusted, so that the flow area of the high-pressure steam is adjusted, the pressure in the low-pressure chamber around the high-pressure nozzle is ensured to be within a certain range, and the purposes of improving the pressure and temperature parameters of the low-temperature low-pressure steam are achieved.
Description
Technical Field
The utility model relates to the technical field of high-low pressure steam mixed conveying, in particular to low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment.
Background
The steam mixing device mixes high-pressure steam and low-pressure steam, according to the first law of thermodynamics, the energy of an object medium always moves from high to low (namely, the pressure flows from high to low, the temperature moves from high to low, and the potential energy moves from high to low).
Chinese authorized publication No. CN202237832U relates to a mixing device for mixing low pressure steam into a high pressure steam system, a steam mixing shrinkage tube, a steam mixing throat, a steam mixing diffusion tube and a steam mixing exhaust tube in a steam heat-preserving chamber shell are sequentially connected in series, a low pressure superheated steam inlet tube is connected with the steam heat-preserving chamber shell, and one end of a working spray tube is arranged in the steam mixing chamber. The steam static pressure chamber is connected with the steam mixing shrinkage pipe through the steam mixing chamber, and is connected with the steam heat preservation cavity shell through the low-pressure steam circulation conduit. The utility model has the greatest characteristics that the Laval nozzle principle is utilized for scientific and reasonable combination, and the low-pressure steam is flushed into the high-pressure steam system by utilizing the change of the pressure energy and the kinetic energy of the steam in the nozzle, so that the application range of the high-pressure saturated steam is widened and solved.
The flow rate of high-pressure steam cannot be adjusted according to the amount of low-pressure steam in the existing low-pressure steam mixing device, so that the pressure of a low-pressure chamber cannot be controlled within a certain range, and the pressure and temperature rise of low-temperature low-pressure steam are affected.
Disclosure of Invention
The utility model aims to provide low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment, so as to solve the problems that in the prior art, the flow rate of high-pressure steam cannot be adjusted according to the amount of low-pressure steam when low-pressure steam is mixed into a high-pressure steam mixing device, the pressure of a low-pressure chamber cannot be controlled within a certain range, and the pressure and temperature rise of the low-temperature low-pressure steam are affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment comprises a steam conveying pipe, wherein a low-pressure steam regulating valve is arranged on the left side above the steam conveying pipe, a high-pressure steam inlet electric valve is arranged on the left side of the low-pressure steam regulating valve, a sealing ring is arranged on the left side of the steam conveying pipe, and an adjusting screw rod is arranged in the sealing ring in a penetrating manner;
the adjusting link rod is installed on the right side of the adjusting screw rod, the right side of the adjusting link rod is provided with a high-pressure nozzle, a high-pressure nozzle chamber is arranged in the high-pressure nozzle, a low-pressure chamber is arranged between the high-pressure nozzle and the inner wall of the steam delivery pipe, a diffusion chamber is arranged on the right side of the high-pressure nozzle, and a mixing chamber is arranged on the right side of the diffusion chamber.
Preferably, the output end of the high-pressure steam inlet electric valve is communicated with the steam transmission pipe, and the output end of the high-pressure steam inlet electric valve is communicated with the high-pressure nozzle chamber through the steam transmission pipe.
Preferably, the low-pressure steam regulating valve is communicated with the steam transmission pipe, and the low-pressure steam regulating valve is communicated with the low-pressure chamber through the steam transmission pipe.
Preferably, the high pressure nozzle chamber is in communication with the diffusion chamber, the low pressure chamber is in communication with the diffusion chamber, and the diffusion chamber is in communication with the mixing chamber.
Preferably, the size of the adjusting link rod is partially matched with the size of the inside of the high-pressure nozzle chamber, and the adjusting link rod moves in the inside of the high-pressure nozzle chamber.
Preferably, the adjusting screw rod sequentially penetrates through the sealing ring and the steam transmission pipe, the adjusting screw rod is respectively in threaded connection with the sealing ring and the steam transmission pipe, and the adjusting screw rod is fixedly connected with the adjusting link rod.
Preferably, the steam delivery pipe is further provided with:
the temperature reducing device is arranged on the right side above the steam conveying pipe, the pressure gauge is arranged on the right side of the temperature reducing device, the thermometer is arranged on the right side of the pressure gauge, and the safety valve is arranged on the right side of the thermometer.
Compared with the prior art, the utility model provides low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment, which has the following beneficial effects: according to the low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment, the low-temperature low-pressure steam adjusting valve and the gap between the adjusting connecting rod and the inner wall of the high-pressure nozzle are adjusted, so that the flow area of the high-pressure steam is adjusted, the pressure in the low-pressure chamber around the high-pressure nozzle is ensured to be within a certain range, and the purposes of improving the pressure and temperature parameters of the low-temperature low-pressure steam are achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the steam pipe according to the present utility model;
fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. a steam delivery pipe; 2. adjusting a screw rod; 3. a high pressure steam inlet electric valve; 4. a low pressure steam regulating valve; 5. a temperature reducing device; 6. a pressure gauge; 7. a thermometer; 8. a safety valve; 9. an adjusting link; 10. a high pressure nozzle chamber; 11. a high pressure nozzle; 12. a low pressure chamber; 13. a diffusion chamber; 14. a seal ring; 15. a mixing chamber.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying device comprises a steam conveying pipe 1, wherein a low-pressure steam regulating valve 4 is arranged on the left side above the steam conveying pipe 1, a high-pressure steam inlet electric valve 3 is arranged on the left side of the low-pressure steam regulating valve 4, a sealing ring 14 is arranged on the left side of the steam conveying pipe 1, and an adjusting screw rod 2 is arranged in the sealing ring 14 in a penetrating manner; an adjusting link 9 installed on the right side of the adjusting screw 2; the adjusting screw rod 2 sequentially penetrates through the sealing ring 14 and the steam transmission pipe 1, the adjusting screw rod 2 is respectively in threaded connection with the sealing ring 14 and the steam transmission pipe 1, the adjusting screw rod 2 is fixedly connected with the adjusting link rod 9, the right side of the adjusting link rod 9 is provided with the high-pressure nozzle 11, and the high-pressure nozzle chamber 10 is arranged in the high-pressure nozzle 11; the size of the adjusting link rod 9 is partially matched with the size of the inside of the high-pressure nozzle chamber 10, and the adjusting link rod 9 moves in the inside of the high-pressure nozzle chamber 10; the output end of the high-pressure steam inlet electric valve 3 is communicated with the steam transmission pipe 1, the output end of the high-pressure steam inlet electric valve 3 is communicated with the high-pressure nozzle chamber 10 through the steam transmission pipe 1, and a low-pressure chamber 12 is arranged between the high-pressure nozzle 11 and the inner wall of the steam transmission pipe 1; the low-pressure steam regulating valve 4 is communicated with the steam transmission pipe 1, the low-pressure steam regulating valve 4 is communicated with the low-pressure chamber 12 through the steam transmission pipe 1, the right side of the high-pressure nozzle 11 is provided with a diffusion chamber 13, and the right side of the diffusion chamber 13 is provided with a mixing chamber 15; the high-pressure nozzle chamber 10 is communicated with the diffusion chamber 13, the low-pressure chamber 12 is communicated with the diffusion chamber 13, and the diffusion chamber 13 is communicated with the mixing chamber 15; the low-pressure steam regulating valve 4 and the gap between the regulating connecting rod 9 and the inner wall of the high-pressure nozzle 11 are regulated, so that the flow area of high-pressure steam is regulated, the pressure in the low-pressure chamber 12 around the high-pressure nozzle 11 is ensured to be within a certain range, and the purposes of improving the pressure and temperature parameters of low-temperature low-pressure steam are realized; the temperature reducing device 5 is arranged on the right side above the steam conveying pipe 1, the pressure gauge 6 is arranged on the right side of the temperature reducing device 5, the thermometer 7 is arranged on the right side of the pressure gauge 6, and the safety valve 8 is arranged on the right side of the thermometer 7.
Working principle: when the low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment is used, firstly, high-temperature high-pressure steam is conveyed to the high-pressure steam inlet electric valve 3 of the equipment through a pipeline and is used as injection steam, the adjusting screw rod 2 is rotated to push the adjusting connecting rod 9 to move towards the inside of the high-pressure nozzle chamber 10, the distance between the right end of the adjusting connecting rod 9 and the inner wall of the high-pressure nozzle 11 is reduced, the flow speed of the high-temperature high-pressure steam is increased in the high-pressure nozzle chamber 10 due to the throttling effect, the pressure of the low-pressure chamber 12 is gradually reduced after the high-temperature high-pressure steam passes through the high-pressure nozzle 11, when the pressure is lower than the pressure of the low-temperature low-pressure steam, the low-temperature low-pressure steam enters the low-pressure chamber 12 through the low-pressure steam adjusting valve 4, then enters the mixing chamber 15 together with the high-speed injection steam flow through the diffusion chamber 13, and is conveyed to a heating power pipe network after the temperature is adjusted by the temperature reducing device 5 to reach the conveying condition; according to the quantity of low-temperature low-pressure steam, the flow area of high-pressure steam is adjusted by adjusting the low-pressure steam adjusting valve 4 and the gap between the adjusting connecting rod 9 and the inner wall of the high-pressure nozzle 11, the pressure inside the low-pressure chamber 12 around the high-pressure nozzle 11 is ensured to be within a certain range, the purposes of improving the pressure and temperature parameters of the low-temperature low-pressure steam are achieved, and finally the pressure and temperature conditions of the steam in the steam conveying pipe 1 can be observed through the pressure gauge 6 and the temperature gauge 7, which is the working principle of the low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A low temperature low pressure steam and high temperature high pressure steam mixed delivery apparatus comprising:
the steam transmission device comprises a steam transmission pipe (1), wherein a low-pressure steam regulating valve (4) is arranged on the left side of the upper part of the steam transmission pipe (1), a high-pressure steam inlet electric valve (3) is arranged on the left side of the low-pressure steam regulating valve (4), a sealing ring (14) is arranged on the left side of the steam transmission pipe (1), and an adjusting screw rod (2) is arranged in the sealing ring (14) in a penetrating manner;
the adjusting link rod (9) is installed on the right side of the adjusting screw rod (2), the right side of the adjusting link rod (9) is provided with the high-pressure nozzle (11), the inside of the high-pressure nozzle (11) is provided with the high-pressure nozzle chamber (10), be provided with the low-pressure chamber (12) between the inner wall of high-pressure nozzle (11) and the steam delivery pipe (1), the right side of the high-pressure nozzle (11) is provided with the diffusion chamber (13), the right side of the diffusion chamber (13) is provided with the mixing chamber (15).
2. The low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment according to claim 1, wherein the output end of the high-pressure steam inlet electric valve (3) is communicated with the steam conveying pipe (1), and the output end of the high-pressure steam inlet electric valve (3) is communicated with the high-pressure nozzle chamber (10) through the steam conveying pipe (1).
3. The low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment according to claim 1, wherein the low-pressure steam regulating valve (4) is communicated with the steam conveying pipe (1), and the low-pressure steam regulating valve (4) is communicated with the low-pressure chamber (12) through the steam conveying pipe (1).
4. The low-temperature and low-pressure steam and high-temperature and high-pressure steam mixed conveying device according to claim 1, wherein the high-pressure nozzle chamber (10) is communicated with the diffusion chamber (13), the low-pressure chamber (12) is communicated with the diffusion chamber (13), and the diffusion chamber (13) is communicated with the mixing chamber (15).
5. A low temperature and low pressure steam and high temperature and high pressure steam mixed transportation apparatus according to claim 1, wherein the size of the adjusting link (9) is partially matched with the size of the inside of the high pressure nozzle chamber (10), and the adjusting link (9) is moved inside the high pressure nozzle chamber (10).
6. The low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment according to claim 1, wherein the adjusting screw rod (2) sequentially penetrates through the sealing ring (14) and the steam conveying pipe (1), the adjusting screw rod (2) is in threaded connection with the sealing ring (14) and the steam conveying pipe (1) respectively, and the adjusting screw rod (2) is fixedly connected with the adjusting connecting rod (9).
7. The low-temperature and low-pressure steam and high-temperature and high-pressure steam mixed conveying equipment according to claim 1, wherein the steam conveying pipe (1) is further provided with:
the temperature reducing device (5) is arranged on the right side above the steam conveying pipe (1), the pressure gauge (6) is arranged on the right side of the temperature reducing device (5), the thermometer (7) is arranged on the right side of the pressure gauge (6), and the safety valve (8) is arranged on the right side of the thermometer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223560631.8U CN219051190U (en) | 2022-12-30 | 2022-12-30 | Low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223560631.8U CN219051190U (en) | 2022-12-30 | 2022-12-30 | Low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219051190U true CN219051190U (en) | 2023-05-23 |
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ID=86347170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223560631.8U Active CN219051190U (en) | 2022-12-30 | 2022-12-30 | Low-temperature low-pressure steam and high-temperature high-pressure steam mixed conveying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219051190U (en) |
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2022
- 2022-12-30 CN CN202223560631.8U patent/CN219051190U/en active Active
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