CN213513857U - Stable heating device for reducing temperature and pressure - Google Patents
Stable heating device for reducing temperature and pressure Download PDFInfo
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- CN213513857U CN213513857U CN202021848187.8U CN202021848187U CN213513857U CN 213513857 U CN213513857 U CN 213513857U CN 202021848187 U CN202021848187 U CN 202021848187U CN 213513857 U CN213513857 U CN 213513857U
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Abstract
The utility model relates to a stable heating device of temperature and pressure reduction, include: the controller is sequentially provided with a temperature reducing device, an adjustable pressure reducing device, a pressure stabilizing device, a temperature and pressure sensor and a delivery pipe of a safety valve from left to right, a steam pipe at the left end of the delivery pipe is inserted into the outlet end of the delivery pipe, and a condensing device is communicated with the outlet end of the safety valve; the temperature and pressure sensor is electrically connected with the controller. The stable heating device for temperature and pressure reduction has the advantages that the temperature is reduced through the temperature reduction device, the pressure is reduced through the adjustable pressure reduction device, the pressure is stabilized through the pressure stabilizing device, the temperature and pressure reduction effect on high-temperature and high-pressure steam is good, and the steam output pressure is stable.
Description
Technical Field
The utility model belongs to the technical field of the waste heat recovery technique of steam power plant and specifically relates to a stable heating device of temperature reduction and pressure reduction.
Background
When a steam turbine of a thermal power plant is used for rushing to generate electricity by a generator through high-temperature high-pressure steam, rushed steam is not effectively utilized, so that a large amount of waste steam heat is wasted, energy is saved by using the waste steam heat, and the production cost is reduced; because the temperature and the pressure of the steam after the rotation are higher, the steam can not be directly used by a user without temperature and pressure reduction; the steam waste heat utilization system can be known from a waste heat utilization system of a steam turbine of a thermal power plant disclosed by the utility model of the Chinese patent application No. 201821020806.7; traditional waste heat utilization system exists to high temperature high pressure steam temperature reduction decompression effect relatively poor, and steam output pressure is unstable not enough, consequently, designs one kind to high temperature high pressure steam temperature reduction decompression effect better, and the stable heating device of the more stable temperature reduction decompression of steam output pressure becomes the problem that awaits a urgent need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming that present waste heat utilization system exists relatively poor to high temperature high pressure steam temperature reduction and pressure reduction effect, and steam output pressure is unstable not enough, provides one kind better to high temperature high pressure steam temperature reduction and pressure reduction effect, the stable heating device of the more stable temperature reduction and pressure reduction of steam output pressure.
The utility model discloses a concrete technical scheme is:
a stabilized heating apparatus for reducing temperature and pressure, comprising: the controller is sequentially provided with a temperature reducing device, an adjustable pressure reducing device, a pressure stabilizing device, a temperature and pressure sensor and a delivery pipe of a safety valve from left to right, a steam pipe at the left end of the delivery pipe is inserted into the outlet end of the delivery pipe, and a condensing device is communicated with the outlet end of the safety valve; the temperature and pressure sensor is electrically connected with the controller.
Preferably, the temperature reduction device comprises: the rotary atomizer is arranged between the outer side wall of the steam pipe and the inner side wall of the conveying pipe, the plugging ring is respectively connected with the outer side wall of the steam pipe and the left end of the conveying pipe, the plugging plate is connected with the outlet end of the steam pipe, the steam spray holes are formed in the side wall of the steam pipe and are positioned on the right side of the rotary atomizer, the water inlet hole is formed in the side wall of the conveying pipe and is positioned between the plugging ring and the rotary atomizer, and the variable frequency water pump is arranged on the outer; the outlet end of the variable frequency water pump is communicated with the water inlet hole; the variable frequency water pump is electrically connected with the controller.
Preferably, the steam jet holes are distributed along the circumferential direction of the side wall of the steam pipe; the outer end of the steam jet hole inclines to the left.
Preferably, the inclination angle of the steam jet holes is 5 to 15 degrees.
Preferably, the adjustable pressure relief device comprises: the device comprises a conveying pipe, a base body, a segmental pressure reducing plate, a plurality of axial through holes, a containing groove, a lifting baffle plate and an electric cylinder, wherein the lower half base body is coated outside the conveying pipe and consists of a lower half base body with a boss at the lower end and an upper half base body connected with the lower half base body; a push rod of the electric cylinder is connected with the lower end of the lifting baffle; the electric cylinder is electrically connected with the controller.
Preferably, the voltage stabilizer includes: a plurality of pressure stabilizing assemblies arranged along the axial direction of the conveying pipe; the voltage stabilizing assembly comprises: the device comprises a seat body, a plurality of conveying pipes, annular grooves, a plurality of pressure stabilizing holes, a plurality of communicating holes, a plurality of connecting holes and an annular diaphragm, wherein the annular grooves are arranged on the inner side of the seat body; the annular leather diaphragm is arranged in the annular groove, and the two fixed side rings are correspondingly fixed in the two annular pressure grooves one by one.
Preferably, said axial through holes are arranged in rows.
Preferably, the condensing device comprises: the electromagnetic stop valve is arranged at the outlet end of the condensed water tank; the electromagnetic stop valve is electrically connected with the controller.
Preferably, the condensed water tank is arranged on the conveying pipe and is positioned on the left side of the adjustable pressure reducing device; a condensed water hole positioned between the plugging ring and the rotary atomizer is arranged on the side periphery of the conveying pipe; the condensation water hole is communicated with the outlet end of the electromagnetic stop valve.
Preferably, one end of the condensation pipe is higher than the other end of the condensation pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the stable heating device for temperature and pressure reduction has the advantages that the temperature is reduced through the temperature reduction device, the pressure is reduced through the adjustable pressure reduction device, the pressure is stabilized through the pressure stabilizing device, the temperature and pressure reduction effect on high-temperature and high-pressure steam is good, and the steam output pressure is stable. The steam sprayed from the steam spray holes of the temperature reduction device is mixed with the atomized water sprayed from the rotary atomizer, so that the steam temperature reduction effect is obvious; the atomized water quantity sprayed out of the rotary atomizer is adjusted by changing the rotating speed of the variable frequency water pump, and the adjustment of the steam temperature is facilitated. The steam jet holes are circumferentially distributed along the side wall of the steam pipe, the outer ends of the steam jet holes incline leftwards, and the inclination angle of the steam jet holes is 5-15 degrees, so that the steam sprayed from the steam jet holes of the temperature reduction device and atomized water sprayed from the rotary atomizer are better in mixing effect. Steam is decompressed through an axial through hole in the segmental pressure reducing plate of the adjustable pressure reducing device and a gap between the upper end of the lifting baffle and the lower end of the segmental pressure reducing plate, and the steam pressure can be adjusted by adjusting the size of the gap as required. When steam pressure fluctuates, the elastic deformation of the annular membrane of the pressure stabilizing device enables the steam pressure to tend to be stable, and the pressure stabilization is favorably realized. The condensing device is beneficial to cooling and condensing the steam discharged from the safety valve, and condensed water flows into the condensed water tank to be collected, thus being beneficial to environmental protection; the electromagnetic stop valve is beneficial to controlling the condensed water to enter the condensed water hole for recycling; one end of the condensation pipe is higher than the other end of the condensation pipe, so that condensed water can flow into the condensed water tank conveniently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a structure of an adjustable pressure relief device;
FIG. 3 is a schematic structural diagram of a voltage stabilizer;
in the figure: the device comprises a controller 1, a temperature and pressure sensor 2, a safety valve 3, a delivery pipe 4, a steam pipe 5, a rotary atomizer 6, a plugging ring 7, a plugging plate 8, a steam jet hole 9, a water inlet hole 10, a variable frequency water pump 11, a boss 12, a lower seat body 13, an upper seat body 14, a segmental pressure reducing plate 15, an axial through hole 16, a containing groove 17, a lifting baffle 18, an electric cylinder 19, a sealing ring 20, an annular groove 21, an annular pressure groove 22, a pressure stabilizing hole 23, a communicating hole 24, a fixed side ring 25, an annular membrane 26, a check valve 27, a condensing plate group 28, a condensing pipe 29, a condensing water tank 30, an electromagnetic stop valve 31 and a condensing water hole 32.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.
Examples
As shown in the attached figures 1, 2 and 3: a stabilized heating apparatus for reducing temperature and pressure, comprising: the controller 1 is sequentially provided with a temperature reducing device, an adjustable pressure reducing device, a pressure stabilizing device, a temperature and pressure sensor 2 and a delivery pipe 4 of a safety valve 3 from left to right, a steam pipe 5 with the outlet end inserted into the left end of the delivery pipe 4 and a condensing device communicated with the outlet end of the safety valve 3; the temperature and pressure sensor 2 is electrically connected with the controller 1.
The temperature reducing device comprises: the steam pipe sealing device comprises a rotary atomizer 6 arranged between the outer side wall of a steam pipe 5 and the inner side wall of a conveying pipe 4, a plugging ring 7 welded with the outer side wall of the steam pipe 5 and the left end of the conveying pipe 4 respectively, a plugging plate 8 welded with the outlet end of the steam pipe 5, twelve steam spray holes 9 arranged on the side wall of the steam pipe 5 and positioned on the right side of the rotary atomizer 6, a water inlet hole 10 arranged on the side wall of the conveying pipe 4 and positioned between the plugging ring 7 and the rotary atomizer 6, and a variable frequency water pump 11 arranged on the outer side wall of; the outlet end of the variable frequency water pump 11 is communicated with the water inlet hole 10; the variable frequency water pump 11 is electrically connected with the controller 1.
The steam spray holes 9 are uniformly distributed along the circumferential direction of the side wall of the steam pipe 5; the outer end of the steam ejection hole 9 is inclined to the left.
The inclination angle of the steam jet holes 9 is 10 degrees.
The adjustable pressure relief device comprises: the device comprises a base body, a segmental pressure reducing plate 15, a plurality of axial through holes 16, an accommodating groove 17, a lifting baffle plate 18 and an electric cylinder 19, wherein the base body is coated outside a conveying pipe 4 and consists of a lower half base body 13, the lower end of which is provided with a boss 12, an upper half base body 14 in threaded connection with the lower half base body 13, the segmental pressure reducing plate 15 is arranged in the conveying pipe 4, a gap of which is positioned at the lower end of the segmental pressure reducing plate 15, the plurality of axial through holes 16 are arranged on the segmental pressure reducing plate 15, the accommodating groove 17 is arranged at the lower end of the boss 12 and is communicated with the; the push rod of the electric cylinder 19 is in threaded connection with the lower end of the lifting baffle 18; the lifting baffle 18 is in clearance fit with the accommodating groove 17, and a sealing ring 20 is arranged between the lifting baffle 18 and the accommodating groove 17; the electric cylinder 19 is electrically connected with the controller 1; the electric cylinder 19 is a servo electric cylinder.
The voltage stabilizing device comprises: two pressure stabilizing assemblies axially arranged along the conveying pipe 4; the voltage stabilizing assembly comprises: the pressure stabilizing device comprises an annular groove 21 arranged at the inner side of the seat body, two annular pressure grooves 22 which are arranged at two side edges of the annular groove 21 in a one-to-one correspondence manner and are communicated with the inner side of the annular groove 21, eight pressure stabilizing holes 23 which are uniformly distributed along the circumferential direction of the inner side of the conveying pipe 4 and are respectively communicated with the annular groove 21, six communicating holes 24 which are uniformly distributed along the circumferential direction of the outer side of the seat body and are respectively communicated with the annular groove 21, and two annular membranes 26 for fixing side rings; the annular membrane 26 is arranged in the annular groove 21, and the two fixed side rings 25 are correspondingly fixed in the two annular pressure grooves 22 one by one; the shape of the pressure stabilizing hole 23 is rectangular.
Said axial through holes 16 are arranged in rows.
The condensing unit includes: a check valve 27 arranged at the outlet end of the safety valve 3, a condensing pipe 29 with a condensing sheet set 28 arranged around the outer side and one end communicated with the outlet end of the safety valve 3, a condensed water tank 30 communicated with the other end of the condensing pipe 29, and an electromagnetic stop valve 31 arranged at the outlet end of the condensed water tank 30; the electromagnetic cut-off valve 31 is electrically connected to the controller 1.
The condensed water tank 30 is arranged on the conveying pipe 4 and is positioned at the left side of the adjustable pressure reducing device; a condensed water hole 32 positioned between the plugging ring 7 and the rotary atomizer 6 is arranged on the side wall of the conveying pipe 4; the condensed water hole 32 is communicated with the outlet end of the electromagnetic stop valve 31.
One end of the condensation pipe 29 is higher than the other end of the condensation pipe 29.
The temperature and pressure reduction method of the stable heat supply device for temperature and pressure reduction comprises the following steps that (1) steam in a steam pipe 5 is sprayed out from a steam spray hole 9 of the temperature reduction device, and atomized water sprayed out from a rotary atomizer 6 under the action of a variable frequency water pump 11 is mixed with the steam to reduce the temperature of the steam; (2) the steam is decompressed through an axial through hole 16 on a segmental pressure reducing plate 15 of the adjustable pressure reducing device and a gap between the upper end of a lifting baffle 18 and the lower end of the segmental pressure reducing plate 15; (3) when steam pressure fluctuates, the steam pressure tends to be stable through the elastic deformation of the annular membrane 26 of the pressure stabilizing device; (4) when the steam pressure exceeds a set value, the safety valve 3 is opened, and the steam is condensed into water through the condensing pipe 29 and flows into the condensed water tank 30 for recycling; (5) the temperature and pressure sensor 2 detects that the steam temperature deviates from a set value, the controller 1 controls and adjusts the rotating speed of the variable frequency water pump 11, and the steam temperature is adjusted by adjusting the water yield; (6) the temperature and pressure sensor 2 detects that the steam pressure deviates from a set value, the controller 1 controls the electric cylinder 19 to start, the push rod of the electric cylinder 19 drives the lifting baffle 18 to lift, and the gap between the upper end of the lifting baffle 18 and the lower end of the segmental pressure reducing plate 15 is adjusted, so that the steam pressure is adjusted.
In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative efforts, and therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.
Claims (10)
1. A stabilized heating apparatus for reducing temperature and pressure, comprising: the controller, characterized by, stable heating device of decompression of cooling still include: a delivery pipe provided with a temperature reduction device, an adjustable pressure reduction device, a pressure stabilizing device, a temperature pressure sensor and a safety valve is sequentially arranged from left to right, a steam pipe at the left end of the delivery pipe is inserted into the outlet end of the delivery pipe, and a condensing device is communicated with the outlet end of the safety valve; the temperature and pressure sensor is electrically connected with the controller.
2. A stabilized heat supply apparatus according to claim 1, characterised in that said temperature reducing means comprises: the rotary atomizer is arranged between the outer side wall of the steam pipe and the inner side wall of the conveying pipe, the plugging ring is respectively connected with the outer side wall of the steam pipe and the left end of the conveying pipe, the plugging plate is connected with the outlet end of the steam pipe, the steam spray holes are formed in the side wall of the steam pipe and are positioned on the right side of the rotary atomizer, the water inlet hole is formed in the side wall of the conveying pipe and is positioned between the plugging ring and the rotary atomizer, and the variable frequency water pump is arranged on the outer; the outlet end of the variable frequency water pump is communicated with the water inlet hole; the variable frequency water pump is electrically connected with the controller.
3. A stable heating apparatus with reduced temperature and pressure as claimed in claim 2, wherein said steam injection holes are circumferentially distributed along the side of the steam pipe; the outer end of the steam jet hole inclines to the left.
4. A stabilized heating apparatus as claimed in claim 2, wherein said steam injection holes are inclined at an angle of 5 to 15 degrees.
5. A stabilized heating unit according to claim 1, characterised in that said adjustable pressure reduction means comprises: the device comprises a conveying pipe, a base body, a segmental pressure reducing plate, a plurality of axial through holes, a containing groove, a lifting baffle plate and an electric cylinder, wherein the lower half base body is coated outside the conveying pipe and consists of a lower half base body with a boss at the lower end and an upper half base body connected with the lower half base body; a push rod of the electric cylinder is connected with the lower end of the lifting baffle; the electric cylinder is electrically connected with the controller.
6. A stabilized heating apparatus according to claim 5, characterised in that said pressure stabilising means comprises: a plurality of pressure stabilizing assemblies arranged along the axial direction of the conveying pipe; the voltage stabilizing assembly comprises: the device comprises a seat body, a plurality of conveying pipes, annular grooves, a plurality of pressure stabilizing holes, a plurality of communicating holes, a plurality of connecting holes and an annular diaphragm, wherein the annular grooves are arranged on the inner side of the seat body; the annular leather diaphragm is arranged in the annular groove, and the two fixed side rings are correspondingly fixed in the two annular pressure grooves one by one.
7. A device for the stable supply of heat and pressure to reduce temperature and pressure as claimed in claim 5, wherein said axial through holes are arranged in rows.
8. A stabilized heat supply apparatus according to any one of claims 1 to 7, characterised in that the condensing means comprises: the electromagnetic stop valve is arranged at the outlet end of the condensed water tank; the electromagnetic stop valve is electrically connected with the controller.
9. A stabilized heating apparatus to reduce temperature and pressure as claimed in claim 8, wherein said condensed water tank is installed on the delivery pipe and located at the left side of the adjustable pressure reduction device; a condensed water hole positioned between the plugging ring and the rotary atomizer is arranged on the side periphery of the conveying pipe; the condensation water hole is communicated with the outlet end of the electromagnetic stop valve.
10. A stabilized heat supply apparatus according to claim 8, wherein one end of the condenser tube is higher than the other end of the condenser tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848187.8U CN213513857U (en) | 2020-08-28 | 2020-08-28 | Stable heating device for reducing temperature and pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021848187.8U CN213513857U (en) | 2020-08-28 | 2020-08-28 | Stable heating device for reducing temperature and pressure |
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| Publication Number | Publication Date |
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| CN213513857U true CN213513857U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021848187.8U Active CN213513857U (en) | 2020-08-28 | 2020-08-28 | Stable heating device for reducing temperature and pressure |
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| CN (1) | CN213513857U (en) |
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- 2020-08-28 CN CN202021848187.8U patent/CN213513857U/en active Active
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