CN212179630U - Steam heating liquid damping and silencing device - Google Patents
Steam heating liquid damping and silencing device Download PDFInfo
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- CN212179630U CN212179630U CN202020767570.4U CN202020767570U CN212179630U CN 212179630 U CN212179630 U CN 212179630U CN 202020767570 U CN202020767570 U CN 202020767570U CN 212179630 U CN212179630 U CN 212179630U
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Abstract
The utility model relates to a steam heating liquid damping silencing device, the steam of the device can enter into the annular pipe from the main steam pipe at a high speed through the Venturi principle, the steam entering into the annular pipe can be sprayed out from the contraction port of the steam jet pipe at a high speed and enter into the confluent pipe section and spread rapidly, the feed liquid enters into the confluent pipe section from the feed liquid channel at the lower end of the mixed jet pipe and then is mixed with the diffused steam, therefore, the heat energy of the steam can be transmitted into the feed liquid in time to reduce the kinetic energy of the steam, and the noise and the vibration in the using process of the device can be obviously reduced; the device steam and feed liquid are all sprayed and are mixed rapidly through the pipeline high speed of venturi principle, have greatly improved the rate of heating of feed liquid to reduce heat time, reduce the steam consumption, practice thrift the manufacturing cost of enterprise.
Description
Technical Field
The utility model relates to a steam heating equipment technical field especially relates to a steam heating liquid damping silencing device.
Background
Steam is a heat source widely used in industry, and in biological fermentation production, many enterprises often adopt steam to directly introduce materials for heating, steam elimination, material liquid actual elimination and other operations. In the operation of the equipment, the outlet of the steam pipeline is positioned in the feed liquid, the heat exchange process of the steam and the feed liquid often generates violent vibration and noise, the violent noise is such as thunderstorm, the sound pressure value can reach 110 decibels, and the serious influence is caused to the operating environment. Severe vibration often causes the breakage of the pipeline connected with the tank, the fragmentation of the equipment foundation, the loosening of the fixing bolt and even the damage to the building structure where the equipment is located.
The reasons for the vibration and noise generated by the above steam feedwater heating are: when steam directly supplies water and heats through a pipeline, the steam and the water are contacted and mixed to carry out heat exchange, and because the steam and the water have large density difference and specific heat, the heat energy of the steam cannot be rapidly diffused and is converted into kinetic energy to violently impact the periphery, huge sound waves are caused like explosion to form oscillation, and meanwhile, the higher the steam introducing speed is, the larger the extrusion impact on the surrounding liquid material is, and the larger the generated noise and vibration are.
According to the analysis of the reasons: if the steam reaches a certain speed and is rapidly diffused in the feed liquid by a certain device, the heat energy of the steam is timely transmitted out, the energy of the steam converted into kinetic energy can be reduced, the vibration and the noise can be further reduced, and the heating speed is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an utilize the venturi principle to carry out the device of the amortization of the liquid damping of steam heating.
The technical scheme of the utility model is that: a damping and silencing device for steam heating liquid comprises an annular pipe and a plurality of ejector components, wherein a main steam pipe is radially connected to the side wall of the annular pipe, a plurality of vertical steam branch pipes are uniformly distributed on the uppermost part of the side wall of the annular pipe along the annular circumference, and the ejector components are correspondingly connected to the steam branch pipes;
the ejector assembly comprises a mixed injection pipe and a steam injection pipe, the steam injection pipe is coaxially and fixedly connected with a steam branch pipe through a flange, the lower part of the mixed injection pipe is a converging pipe section, the upper part of the converging pipe section is coaxially connected with an injection pipe section, a conical section transition is arranged at the joint of the converging pipe section and the injection pipe section, the upper port of the injection pipe section is provided with a bell mouth, the lower port in the converging pipe section is provided with a fixing plate, the upper part of the steam injection pipe is coaxially and fixedly connected into the mixed injection pipe through the fixing plate, a plurality of material liquid channels are formed between the steam injection pipe and the mixed injection pipe, and the upper part of the steam; the diameter of the steam branch pipe is the same as that of the steam injection pipe.
Preferably, the lowest point of the side wall of the main steam pipe is provided with an oblique discharge pipe.
Preferably, the internal diameter of the discharge conduit is 1/10 the internal diameter of the main steam pipe.
Preferably, the ratio of the diameter of the upper port of the necking section of the steam injection pipe to the inner diameter of the mixing pipe section is 1:3.5, the diameter of the upper port of the necking section is 1/2 of the inner diameter of the steam branch pipe, and the ratio of the inner diameter of the lower part of the steam injection pipe to the inner diameter of the mixing pipe section is 1: 1.6.
Preferably, the height of the steam injection pipe extending into the mixing pipe section is 2/3 of the length of the mixing pipe section, and the length of the necking section is 1/2 of the length of the extending part of the steam injection pipe.
Preferably, the length of the jet pipe section is 2/3 times the length of the converging pipe section, and the ratio of the inner diameter of the jet pipe section to the inner diameter of the converging pipe section is 1: 1.6.
Preferably, the length of the fixed plate is 1/6 times the length of the merged pipe section.
Preferably, the cross-sectional area of the upper port of the steam injection pipe constricted section is 2/3 of the cross-sectional area of the annular pipe.
The utility model has the beneficial technical effects that:
the utility model discloses in the during operation steam can enter into the ring pipe from main steam pipe at a high speed, the steam that enters into in the ring pipe can enter into from the high-speed blowout of shrink mouth of steam injection pipe and converge the pipeline section and spread rapidly, the feed liquid enters into from the feed liquid passageway of mixing injection pipe lower extreme and converges the pipeline section in later with the steam mixing of diffusion, consequently in the heat energy of steam can in time transmit the feed liquid, reduce steam kinetic energy, can obviously reduce the noise and the vibrations in the device use.
The utility model discloses a steam and feed liquid are all sprayed and mix rapidly through the pipe high speed of venturi principle, greatly improve the rate of heating of feed liquid to reduce heat time, reduce the consumption of steam, practice thrift the manufacturing cost of enterprise.
The utility model discloses the minimum of annular pipe lateral wall is equipped with row material pipe, and this row of material pipe can be convenient discharge with the remaining feed liquid in the annular pipe, has solved the demand of the feed liquid of emptying feed liquid after the feed liquid discharges, and the simplified operation prolongs the device's life.
Drawings
Fig. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the internal structure of the injector assembly of FIG. 1;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 1;
fig. 4 is a schematic top view of the ring tube of the present invention.
01. Annular pipe, 11 main steam pipe, 12 branch steam pipe, 02 injector assembly, 21 mixed injection pipe, 211 confluence pipe, 212 injection pipe, 213 bell mouth, 22 steam injection pipe, 221 necking section, 23 fixing plate, 24 feed liquid channel, 03 discharge pipe.
Detailed Description
In the first embodiment, referring to the attached figures 1-4 of the specification, a steam heating liquid vibration reduction and noise reduction device comprises an annular pipe and a plurality of ejector assemblies, wherein a main steam pipe is radially connected to the side wall of the annular pipe, steam enters the annular pipe from the main steam pipe, a plurality of vertical steam branch pipes are uniformly distributed on the uppermost part of the side wall of the annular pipe along the annular circumference, the plurality of ejector assemblies are correspondingly connected to the plurality of steam branch pipes, and the steam is sprayed into the ejector assemblies from the steam branch pipes;
the ejector component comprises a mixed injection pipe and a steam injection pipe, the steam injection pipe is coaxially and fixedly connected with a steam branch pipe through a flange, the lower part of the mixed injection pipe is a converging pipe section, the upper part of the converging pipe section is coaxially connected with an injection pipe section to form a Venturi tube, the joint of the converging pipe section and the injection pipe section is provided with a conical section transition, the conical section can reduce the blockage of a step formed at the joint of the converging pipe section and the injection pipe section to feed liquid and steam, the upper port of the injection pipe section is provided with a bell mouth to enlarge the diffusion area when the feed liquid is sprayed out, the lower port in the converging pipe section is provided with a fixing plate, the upper part of the steam injection pipe is coaxially and fixedly connected in the mixed injection pipe through the fixing plate, high-temperature steam is sprayed out from the converging section of the steam injection pipe at high speed and enters the, the feed liquid flows into the mixing pipe section from the feed liquid channel to be mixed and heated with steam, and the upper part of the steam injection pipe is provided with a necking section; the diameter of steam branch pipe is the same with the diameter of steam injection pipe, can install the stirring additional in the sprayer subassembly during heating feed liquid, and the pipe diameter of annular pipe should be greater than the diameter of rotation of stirring rake, opens the heating effect that the stirring can improve the feed liquid in steam heating process.
The lowest point of the side wall of the main steam pipe is provided with an oblique discharge pipe which is used for discharging the material liquid in the annular pipe.
The inner diameter of the discharge pipe is 1/10 of the inner diameter of the main steam pipe; the ratio of the diameter of the upper port of the necking section of the steam injection pipe to the inner diameter of the mixing pipe section is 1:3.5, the diameter of the upper port of the necking section is 1/2 of the inner diameter of the steam branch pipe, and the ratio of the inner diameter of the lower part of the steam injection pipe to the inner diameter of the mixing pipe section is 1: 1.6; the height of the steam jet pipe extending into the mixing pipe section is 2/3 of the length of the mixing pipe section, and the length of the necking section is 1/2 of the length of the extending part of the steam jet pipe; the length of the injection pipe section is 2/3 of the length of the confluence pipe section, and the ratio of the inner diameter of the injection pipe section to the inner diameter of the confluence pipe section is 1: 1.6; the length of the fixed plate is 1/6 of the length of the confluence pipe section; the sectional area of the upper end opening of the steam jet pipe reducing section is 2/3 of the sectional area of the annular pipe, according to experiments, the size is set to have the best noise reduction and shock absorption effects, the heating speed is the fastest, and the heating speed can be three times of the original heating speed.
The utility model discloses a working process does: when the steam injection device is used, high-temperature steam is introduced into the annular pipe from the main steam pipe, the steam entering the annular pipe is injected into the steam injection pipe from the steam branch pipe, and then the steam is injected into the confluence pipe section from the contraction port of the steam injection pipe at a high speed and is rapidly diffused; the feed liquid is introduced into the converging pipe section from the feed liquid channel at the lower end of the mixing and spraying pipe and is mixed with the diffused steam, and the heat energy of the steam can be timely transferred into the feed liquid, so that the kinetic energy of the steam during spraying is reduced, and the noise and vibration of the device during use can be obviously reduced; the heated feed liquid is fully mixed in the confluence pipe section and is ejected from the injection pipe section at high speed by the Venturi principle, so that the heating of the feed liquid is completed.
If the steam that enters main steam pipeline is superheated steam, can use after the superheated steam desuperheating, can reduce the damage of pipe fitting on the one hand, reduce the thermal expansion, on the other hand can prevent the overheated of the interior material of equipment, influences the quality of product.
Claims (8)
1. A steam heating liquid vibration damping and silencing device is characterized in that: the device comprises an annular pipe and a plurality of ejector components, wherein a main steam pipe is connected to the side wall of the annular pipe along the radial direction, a plurality of vertical steam branch pipes are uniformly distributed on the uppermost part of the side wall of the annular pipe along the annular circumference, and the plurality of ejector components are correspondingly connected to the plurality of steam branch pipes;
the ejector assembly comprises a mixed injection pipe and a steam injection pipe, the steam injection pipe is coaxially and fixedly connected with a steam branch pipe through a flange, the lower part of the mixed injection pipe is a converging pipe section, the upper part of the converging pipe section is coaxially connected with an injection pipe section, a conical section transition is arranged at the joint of the converging pipe section and the injection pipe section, the upper port of the injection pipe section is provided with a bell mouth, the lower port in the converging pipe section is provided with a fixing plate, the upper part of the steam injection pipe is coaxially and fixedly connected into the mixed injection pipe through the fixing plate, a plurality of material liquid channels are formed between the steam injection pipe and the mixed injection pipe, and the upper part of the steam; the diameter of the steam branch pipe is the same as that of the steam injection pipe.
2. A steam heated liquid vibration damping and noise reducing apparatus as defined in claim 1, wherein: and the lowest point of the side wall of the main steam pipe is provided with an oblique discharge pipe.
3. A steam heated liquid vibration damping and noise reducing apparatus as claimed in claim 2, wherein: the internal diameter of the discharge conduit is 1/10 the internal diameter of the main steam conduit.
4. A steam heated liquid vibration damping and noise reducing apparatus as defined in claim 1, wherein: the ratio of the diameter of the upper port of the necking section of the steam injection pipe to the inner diameter of the mixing pipe section is 1:3.5, the diameter of the upper port of the necking section is 1/2 of the inner diameter of the steam branch pipe, and the ratio of the inner diameter of the lower part of the steam injection pipe to the inner diameter of the mixing pipe section is 1: 1.6.
5. A steam heated liquid vibration damping and noise reducing apparatus as defined in claim 1, wherein: the height of the steam jet pipe extending into the mixing pipe section is 2/3 of the length of the mixing pipe section, and the length of the necking section is 1/2 of the length of the extending part of the steam jet pipe.
6. A steam heated liquid vibration damping and noise reducing apparatus as defined in claim 1, wherein: the length of the injection pipe section is 2/3 of the length of the confluence pipe section, and the ratio of the inner diameter of the injection pipe section to the inner diameter of the confluence pipe section is 1: 1.6.
7. A steam heated liquid vibration damping and noise reducing apparatus as defined in claim 1, wherein: the length of the fixed plate is 1/6 the length of the merged pipe section.
8. A steam heated liquid vibration damping and noise reducing apparatus as defined in claim 1, wherein: the cross-sectional area of the upper port of the steam injection pipe reduced section is 2/3 of the cross-sectional area of the annular pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020767570.4U CN212179630U (en) | 2020-05-11 | 2020-05-11 | Steam heating liquid damping and silencing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020767570.4U CN212179630U (en) | 2020-05-11 | 2020-05-11 | Steam heating liquid damping and silencing device |
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CN212179630U true CN212179630U (en) | 2020-12-18 |
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CN202020767570.4U Active CN212179630U (en) | 2020-05-11 | 2020-05-11 | Steam heating liquid damping and silencing device |
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2020
- 2020-05-11 CN CN202020767570.4U patent/CN212179630U/en active Active
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