CN210219734U - Novel surface type desuperheater - Google Patents
Novel surface type desuperheater Download PDFInfo
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- CN210219734U CN210219734U CN201920829841.1U CN201920829841U CN210219734U CN 210219734 U CN210219734 U CN 210219734U CN 201920829841 U CN201920829841 U CN 201920829841U CN 210219734 U CN210219734 U CN 210219734U
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Abstract
The utility model discloses a novel surface type desuperheater, which comprises a cylinder body, wherein one end of the cylinder body is connected with a first flange cover, and the other end of the cylinder body is connected with a second flange cover; a vertical partition plate is arranged in the cylinder body close to one end of the second flange cover along the vertical direction; an annular partition plate is arranged on the inner wall of the cylinder body between the vertical partition plate and the first flange cover; a heat exchange cavity for steam heat exchange is formed between the annular partition plate and the vertical partition plate in the cylinder; a coiled pipe is spirally arranged in the heat exchange cavity, the water inlet end of the coiled pipe is communicated with a water inlet pipe, and the water outlet end of the coiled pipe is communicated with a water outlet pipe; the water inlet pipe and the water outlet pipe are both provided with a flowmeter and an electric valve; the barrel is provided with at least one steam inlet, at least two steam outlets and a detection port; the steam inlet, the steam outlet and the detection port are communicated with the heat exchange cavity; the upper end opening of the cylinder body is provided with a first thermal resistance sleeve, and the lower end opening of the cylinder body is provided with a second thermal resistance sleeve.
Description
Technical Field
The utility model belongs to the technical field of the desuperheater, concretely relates to novel face formula desuperheater.
Background
The device for adjusting the temperature of the superheated reheat steam by using water as a cooling medium has the functions of controlling and keeping the temperature of the superheated steam or the temperature of the reheat steam at a specified value and preventing the pipe walls of the superheater and the reheater from being heated.
Desuperheaters are classified into surface type and water spray type. The surface type desuperheater is a dividing wall type heat exchanger with U-shaped pipe or coiled pipe in the cylindrical barrel, and the water supply before the economizer is used as cooling water flowing in the pipe.
The existing novel surface type desuperheater has poor effect and large temperature fluctuation of a steam outlet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned among the prior art not enough, provide a novel face formula desuperheater to solve current novel face formula desuperheater effect not good, the great problem of steam outlet temperature floats.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a novel surface type desuperheater comprises a cylinder body, wherein one end of the cylinder body is connected with a first flange cover, and the other end of the cylinder body is connected with a second flange cover;
a vertical partition plate is arranged in the cylinder body close to one end of the second flange cover along the vertical direction; an annular partition plate is arranged on the inner wall of the cylinder body between the vertical partition plate and the first flange cover; a heat exchange cavity for steam heat exchange is formed between the annular partition plate and the vertical partition plate in the cylinder; a coiled pipe is spirally arranged in the heat exchange cavity, the water inlet end of the coiled pipe is communicated with a water inlet pipe, and the water outlet end of the coiled pipe is communicated with a water outlet pipe; the water inlet pipe and the water outlet pipe are both provided with a flowmeter and an electric valve;
the barrel is provided with at least one steam inlet, at least two steam outlets and a detection port; the steam inlet, the steam outlet and the detection port are communicated with the heat exchange cavity; a first thermal resistance sleeve is arranged at an opening at the upper end of the cylinder body, and a second thermal resistance sleeve is arranged at an opening at the lower end of the cylinder body;
the first flange cover is welded at one end of the cylinder body; the second flange cover comprises a flange and an end cover arranged at one end of the flange; the second flange cover is fixedly connected with the cylinder body through a flange; the end cover is provided with a sleeve for sleeving the water inlet pipe and the water outlet pipe.
Preferably, the flange is fixedly connected with the cylinder body through the matching of a double-end bolt and a nut.
Preferably, the flow meter and the solenoid valve are both electrically connected to an external computer.
Preferably, the flow meter is a LDG-MIK electromagnetic flow meter.
Preferably, the electric valve is DN50 electric flange butterfly valve.
Preferably, a guard plate is arranged between the annular partition plate and the inner wall of the cylinder body.
Preferably, a PT100 thermal resistance sensor is disposed in each of the first and second thermal resistance sleeves.
Preferably, a pipe joint is arranged at the upper opening of the cylinder body, and a BST6600 pressure transmitter is arranged in the pipe joint.
The utility model provides a novel face formula desuperheater has following beneficial effect:
the utility model forms a heat exchange cavity through the baffle plate, and the coiled pipe is arranged in the heat exchange cavity for steam heat exchange and cooling, thereby effectively increasing the heat exchange efficiency; and the steam temperature in the cylinder and the steam outlet temperature are monitored in real time, the flow of the water inlet pipe can be controlled according to the collected steam outlet temperature, the steam outlet temperature is adjusted, and the stability of the outlet steam outlet temperature is further ensured.
Drawings
FIG. 1 is a block diagram of a novel panel desuperheater.
FIG. 2 is a longitudinal cross-sectional view of the novel face desuperheater.
FIG. 3 is a partial cross-sectional view of a novel panel desuperheater.
FIG. 4 is a structural diagram of a novel surface type desuperheater cylinder.
FIG. 5 is a schematic diagram of a second flange cover of the novel panel desuperheater.
Wherein, 1, a cylinder body; 2. a serpentine tube; 3. a water outlet pipe; 4. a water inlet pipe; 5. a vertical partition; 6. an annular partition plate; 7. a slider; 8. a guard plate; 9. a first flange cover; 10. a second flange cover; 11. a stud bolt; 12. a nut; 13. a steam inlet; 14. a steam outlet; 15. a steam outlet; 16. a detection port; 17. a heat exchange cavity; 18. a pipe joint; 19. a first thermal resistance sleeve; 20. a second thermal resistance sleeve; 21. a flange; 22. an end cap; 23. a sleeve.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
According to one embodiment of the present application, referring to fig. 1-5, the novel planar desuperheater of the present disclosure includes a barrel 1, wherein one end of the barrel 1 is connected to a first flange cover 9, and the other end of the barrel 1 is connected to a second flange cover 10.
Wherein, the first flange cover 9 is fixed at one end of the cylinder body 1 by welding.
The second flange cover 10 comprises a flange 21 and an end cover 22 arranged at one end of the flange 21, the second flange cover 10 is fixedly connected with the cylinder body 1 through the flange and is matched with the nut 12 through the stud bolt 11 to realize the fixed connection of the flange 21 and the cylinder body 1; the end cover 22 is provided with a sleeve 23, the sleeve 23 is provided with an opening, and the opening is used for fixing the water inlet pipe 4 and the water outlet pipe 3, so that the stability of the water inlet pipe 4 and the water outlet pipe 3 can be improved.
A vertical partition plate 5 is vertically arranged in the cylinder body 1, the position of the vertical partition plate 5 is arranged at a position close to the second flange 10, and the interior of the cylinder body 1 is divided into two parts.
An annular partition plate 6 is arranged on the inner wall of the barrel body 1 between the vertical partition plate 5 and the first flange cover 9, a protection plate 8 is arranged between the annular partition plate 6 and the inner wall of the barrel body 1, and the protection plate 8 is used for supporting and protecting the annular partition plate 6. The annular partition plate 6 is matched with the vertical partition plate 5, a sealed space is formed in the cylinder body 1, heat transfer between steam and the outside of the cylinder body 1 can be reduced, and heat utilization rate is increased; meanwhile, the air tightness is improved, and the stability of the whole cavity is improved.
A heat exchange cavity 17 is formed inside the cylinder body 1 between the annular partition plate 6 and the vertical partition plate 5, the coiled pipe 2 is installed in the heat exchange cavity 17, the coiled pipe 2 is close to the annular partition plate 6, but only contacts, and the extrusion degree is low. The annular partition plate 6 has certain elasticity, and because the coiled pipe 2 is expanded to a certain extent due to temperature change when the coiled pipe 2 performs heat exchange, the expanded distance can be buffered and borne by the annular partition plate 6, and the coiled pipe 2 is protected.
The water inlet pipe 4 and the water outlet pipe 3 respectively penetrate through the vertical partition plate 5, and at least one sealing ring is arranged at the junction of the water inlet pipe 4, the water outlet pipe 3 and the vertical partition plate 5 to ensure the sealing performance. Wherein, the water inlet pipe 4 is communicated with the water inlet end of the coiled pipe 2, and the water outlet pipe 3 is communicated with the water outlet end of the coiled pipe 2.
The water inlet pipe 4 and the water outlet pipe 3 are both provided with a flowmeter and an electric valve, the flowmeter and the electric valve are both electrically connected with an external computer, and the flowmeter and the electric valve are arranged on a pipeline extending leftwards of the water inlet pipe 4 and the water outlet pipe 3 in the figure 1 and are not shown in the figure.
The flow meter is an LDG-MIK electromagnetic flow meter, monitors and collects the water quantity flowing into the heat exchange cavity 17 from the water inlet pipe 4 and the water outlet pipe 3 in real time, and transmits the water quantity information to the computer terminal in the form of electric signals.
The electric valve is DN50 electric flange butterfly valve, the opening amount of the valve is controlled by electric signal, and the electric valve is controlled by computer.
The barrel 1 is provided with at least one steam inlet 13, at least two steam outlets 14 and a detection port 16; the steam inlet 13, the steam outlet 14 and the detection port 16 are communicated with a heat exchange cavity 17; the upper end opening of the cylinder 1 is provided with a first thermal resistance bushing 19, and the lower end opening thereof is provided with a second thermal resistance bushing 20.
The first thermal resistance sleeve 19 and the second thermal resistance sleeve 20 are both provided with PT100 thermal resistance sensors for acquiring real-time temperature of steam in the heat exchange cavity 17 in real time and transmitting the temperature information to a computer terminal.
The upper opening of the cylinder body 1 is provided with a pipe joint 18, a BST6600 pressure transmitter is arranged in the pipe joint 18 and used for monitoring the steam pressure value in the heat exchange cavity 17 in real time and transmitting the pressure information to the computer end in real time, so that the stability of the pressure in the heat exchange wall body is ensured.
Steam enters from the steam inlet 13, is subjected to heat exchange through the coiled pipe 2 to achieve the effect of temperature reduction, and is led out from the steam outlet 14.
When the desuperheater used alone, detection mouth 16 also can be used to the detection of pressure, temperature and humidity, also can set up pressure valve on detection mouth 16, when the internal pressure value of heat transfer cavity 17 was too big, can open pressure valve and carry out the pressure release, guaranteed the stability of heat transfer.
When the desuperheater is used in conjunction with a superheater, the sensing port 16 is used to introduce the desuperheated steam into the superheater, as are the steam outlets 14 and 15.
The staff can carry out the heat transfer control at the computer end, and normal atmospheric temperature water (cooling water) is in getting into the coiled pipe 2 in heat transfer cavity 17 from inlet tube 4, because coiled pipe 2 is the return bend that spirals the setting, can increase the flow time of normal atmospheric temperature water in heat transfer cavity 17, and then increase heat exchange efficiency.
The steam is led in from the steam inlet 13 and enters the heat exchange cavity 17, the steam with higher temperature exchanges heat with the normal temperature water in the coiled pipe 2, the temperature of the steam is reduced, and the steam is led out from the steam outlet 14; the temperature of the normal temperature water after heat exchange rises and is led out from the water outlet pipe 3.
Meanwhile, the temperature of the derived steam is collected in real time at the detection port 16, and if the temperature is higher than the expected height, a worker can control the DN50 electric flange butterfly valve on the water inlet pipe 4 through the computer to increase the flow of the normal-temperature water (cooling water) until the derived steam temperature value is within the preset temperature value range.
Of course, the operator can also manually control the DN50 electric flange butterfly valve to adjust the water flow in the flange butterfly valve.
The utility model forms the heat exchange cavity 17 through the baffle plate, and the coiled pipe 2 is arranged in the heat exchange cavity 17 for steam heat exchange and cooling, thereby effectively increasing the heat exchange efficiency; and the steam temperature in the barrel body and the steam outlet temperature are monitored in real time, the flow of the water inlet pipe 4 can be controlled according to the collected steam outlet temperature, the steam outlet temperature can be regulated, and the stability of the outlet steam outlet temperature is further ensured.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (8)
1. A novel surface type desuperheater is characterized in that: the device comprises a cylinder body, wherein one end of the cylinder body is connected with a first flange cover, and the other end of the cylinder body is connected with a second flange cover;
a vertical partition plate is arranged in the cylinder body close to one end of the second flange cover along the vertical direction; an annular partition plate is arranged on the inner wall of the cylinder body between the vertical partition plate and the first flange cover; a heat exchange cavity for steam heat exchange is formed between the annular partition plate and the vertical partition plate in the cylinder; a coiled pipe is spirally arranged in the heat exchange cavity, the water inlet end of the coiled pipe is communicated with a water inlet pipe, and the water outlet end of the coiled pipe is communicated with a water outlet pipe; the water inlet pipe and the water outlet pipe are both provided with a flowmeter and an electric valve;
the barrel is provided with at least one steam inlet, at least two steam outlets and a detection port; the steam inlet, the steam outlet and the detection port are communicated with the heat exchange cavity; a first thermal resistance sleeve is arranged at an opening at the upper end of the cylinder body, and a second thermal resistance sleeve is arranged at an opening at the lower end of the cylinder body;
the first flange cover is welded at one end of the cylinder body; the second flange cover comprises a flange and an end cover arranged at one end of the flange; the second flange cover is fixedly connected with the cylinder body through a flange; the end cover is provided with a sleeve for sleeving the water inlet pipe and the water outlet pipe.
2. The novel panel desuperheater of claim 1, wherein: through the cooperation of double-end bolt and nut, realize the fixed connection of flange and barrel.
3. The novel panel desuperheater of claim 1, wherein: the flowmeter and the electric valve are electrically connected with an external computer.
4. The novel panel desuperheater of claim 1, wherein: the flowmeter is an LDG-MIK electromagnetic flowmeter.
5. The novel panel desuperheater of claim 1, wherein: the electric valve is a DN50 electric flange butterfly valve.
6. The novel panel desuperheater of claim 1, wherein: a guard plate is arranged between the annular partition plate and the inner wall of the cylinder body.
7. The novel panel desuperheater of claim 1, wherein: PT100 thermal resistance sensors are arranged in the first thermal resistance sleeve and the second thermal resistance sleeve.
8. The novel panel desuperheater of claim 1, wherein: and a pipe joint is arranged at an opening on the cylinder body, and a BST6600 pressure transmitter is arranged in the pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829841.1U CN210219734U (en) | 2019-05-31 | 2019-05-31 | Novel surface type desuperheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829841.1U CN210219734U (en) | 2019-05-31 | 2019-05-31 | Novel surface type desuperheater |
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| Publication Number | Publication Date |
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| CN210219734U true CN210219734U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920829841.1U Active CN210219734U (en) | 2019-05-31 | 2019-05-31 | Novel surface type desuperheater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207100A (en) * | 2019-05-31 | 2019-09-06 | 四川陆亨能源科技有限公司 | A kind of novel convection-type desuperheater |
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2019
- 2019-05-31 CN CN201920829841.1U patent/CN210219734U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207100A (en) * | 2019-05-31 | 2019-09-06 | 四川陆亨能源科技有限公司 | A kind of novel convection-type desuperheater |
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