CN212841789U - Heating network heater heating system with anti-vibration function - Google Patents

Heating network heater heating system with anti-vibration function Download PDF

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Publication number
CN212841789U
CN212841789U CN202021229802.7U CN202021229802U CN212841789U CN 212841789 U CN212841789 U CN 212841789U CN 202021229802 U CN202021229802 U CN 202021229802U CN 212841789 U CN212841789 U CN 212841789U
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pipe
water
heat supply
network heater
supply network
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CN202021229802.7U
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李仁峰
徐进
王振山
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Datang Binzhou Power Generation Co ltd
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Datang Binzhou Power Generation Co ltd
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Abstract

The utility model discloses a heat supply network heater heating system with anti-vibration function belongs to heat supply network heater heating system technical field. The utility model comprises a heat supply network heater, the top of which is connected with a heating air supply main pipe, and the water in the return water pipe of the urban heat supply network enters the heat supply network heater and is heated and then discharged to a water supply pipe of the urban heat supply network; the bottom of heat supply network heater is provided with normal drain pipe and critical drain pipe, and normal drain pipe arranges to the condenser, and critical drain pipe arranges to the cold water tower, wherein sets gradually critical drainage motorised valve and critical drainage governing valve on the critical drain pipe, and the condensate mother pipe is linked together through reducing the temperature water pipe and critical drain pipe, and the cooling water pipe setting is in critical drainage motorised valve front side. The utility model aims to overcome the vibration problem that the little negative pressure of heat supply network heater drain port arouses among the prior art, not only can avoid the inside vibration of heat supply network heater, can also avoid the heater vibration to cause the heater water side to reveal.

Description

Heating network heater heating system with anti-vibration function
Technical Field
The utility model relates to a heating network heater heating system technical field, more specifically say, relate to a heating network heater heating system with anti-vibration function.
Background
Urban central heating is a development trend, and the safe and stable operation of a heating system determines the heating quality. The heat supply network heater is the core equipment of the heat supply system, and whether the heat supply network heater operates safely and stably is an important factor influencing the heat supply stability.
The heating network heater usually adopts a medium pressure cylinder to extract steam to the heating network heater, surface heating network water supply is carried out for supplying users, and the heated and cooled drainage is recycled to a condenser for reuse through a normal drainage pipeline of the heating network. However, due to the problems of the equipment and the pipeline layout, the hydrophobic opening of the heat supply network heater is slightly under negative pressure, so that the hydrophobic self-boiling heat supply network heater vibrates, and the stability of a heat supply system is influenced. Therefore, it is a goal of the industry to design a heating system of a heating network heater capable of preventing the vibration of the heating network heater.
Through retrieval, a large number of patents have been published on heating systems of heating network heaters, such as chinese patent application No.: 2016102779067, the name of invention creation is: a coal dust and residual powder cleaning device discloses a novel heat supply system with a parallel heating network heater, which comprises at least one high-pressure heater and at least one low-pressure heater, wherein the high-pressure heater and the low-pressure heater are arranged in parallel, the high-pressure heater and the low-pressure heater are both connected with a heating steam extraction pipeline, and a small steam turbine is arranged between the low-pressure heater and the heating steam extraction pipeline; the municipal heat supply network water return pipeline is respectively connected with a high-pressure heater and a low-pressure heater after being boosted by a heat supply network circulating water pump, outlets of the high-pressure heater and the low-pressure heater are converged into a heat supply network water supply main pipe to supply water to the municipal heat supply network, and drain pipes of the high-pressure heater and the low-pressure heater are respectively connected with a drain main pipe through an electric high-pressure drain pump and an electric low-pressure drain pump after passing through a conductivity tester. The scheme is a good exploration for a heating system of the heating network heater, but the problem of vibration caused by micro negative pressure of a drain port of the heating network heater still cannot be solved, and research on the heating system of the heating network heater in the industry is never stopped.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome the vibration problem that the little negative pressure of heat supply network heater hydrophobic mouthful arouses among the prior art, provide a heat supply network heater heating system with anti-vibration function, not only can avoid causing heat supply network heater internal vibration, can also avoid the heater vibration to cause the heater water side to reveal, improved the security of unit operation.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a heating system with vibration-proof function for a heating network heater, which comprises a heating network heater, wherein the top of the heating network heater is connected with a heating air supply main pipe, and water in a return water pipe of a city heating network enters the heating network heater and is heated and then discharged to a water supply pipe of the city heating network; the bottom of heat supply network heater is provided with normal drain pipe and critical drain pipe, and normal drain pipe arranges to the condenser, and critical drain pipe arranges to the cold water tower, wherein sets gradually critical drainage motorised valve and critical drainage governing valve on the critical drain pipe, and the condensate mother pipe is linked together through reducing the temperature water pipe and critical drain pipe, and the cooling water pipe setting is in critical drainage motorised valve front side.
As a further improvement of the utility model, a temperature-reducing water regulating valve is arranged on the temperature-reducing water pipe.
As a further improvement, the utility model is also provided with a manual stop valve on the temperature-reducing water pipe, wherein the manual stop valve is positioned at the front side of the temperature-reducing water regulating valve.
As a further improvement, the utility model is provided with a thermometer and a pressure gauge on the normal drain pipe.
As a further improvement, the top of the heating network heater is provided with an outlet pipe, the outlet pipe is communicated with a water supply pipe of the urban heating network, and the outlet pipe is provided with a water outlet valve and a water outlet pipe exhaust valve.
As a further improvement, the bottom of the heating network heater is provided with a water inlet pipe, the water inlet pipe is communicated with a return water pipe of the urban heating network, and the water inlet pipe is provided with a water inlet valve.
As a further improvement, the utility model discloses set gradually preceding manual valve, normally hydrophobic motorised valve and back manual valve on the normal drain pipe.
As a further improvement, the top of the heating network heater is also provided with a heater steam exhaust valve and a safety valve.
As a further improvement, the utility model discloses be connected with A side steam pipe and B side steam pipe between the female pipe of heating air feed and the heat supply network heater top.
As a further improvement, the utility model is also connected with a sampling tube on the normal drain pipe, and the sampling tube is provided with a sampling valve.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a heat supply network heater heating system with anti-vibration function, before drawing out a temperature reduction water pipe from the condensate water main pipe to the emergent drainage motorised valve, the temperature reduction water gets into heat supply network heater bottom and hydrophobic the mixture, carries out neutralization cooling treatment to the hydrophobic temperature in the heat supply network heater, and the drainage after the cooling just can not reach boiling temperature at the drain trap of normal drain pipe, can not take place drain trap boiling phenomenon to eliminate heat supply network heater internal vibration, guaranteed the safe operation of unit; meanwhile, the desuperheating water is taken from a condensate water main pipe, the quality of the drained water recovered by the condenser can be guaranteed to be qualified, the recovery purpose is achieved, and water resources are not wasted. The invention not only solves the problem of internal vibration of the heating network heater, but also is modified on the basis of the existing system equipment, has no influence on the pipeline arrangement of the heating network system, can save the modification time and the modification cost, can not cause the reduction of the safety performance of the heat exchanger caused by modification, does not need to improve the system equipment, has low cost and reduces the technical modification fund.
(2) The utility model discloses a heat supply network heater heating system with vibration prevention function, two side steam ways supply about the heat supply network heater top not only can guarantee the abundant heating to the inside water of heat supply network heater, can also effectively reduce the impact of high temperature steam to the inside heat exchange tube of heat supply network heater, guarantee the stable safe operation of heat supply network heater, improved the heat economy nature of system.
(3) The utility model discloses a heating system of a heating network heater with an anti-vibration function.A temperature reduction water regulating valve is arranged on a temperature reduction water pipe and is used for controlling and regulating the flow of the temperature reduction water; still set up manual stop valve on the cooling water pipe, wherein manual stop valve is located cooling water governing valve front side, prevents that the inside hydrophobic direct of heat supply network heater from flowing back to the mother pipe of condensate through the cooling water pipe in, avoids the quality of water that should the mother pipe of condensate.
(4) The utility model discloses a heat supply network heater heating system with anti-vibration function is provided with thermometer and manometer on the normal drain pipe, and thermometer and manometer setting are in the drain opening department of normal drain pipe for carry out real-time supervision to the hydrophobic temperature and the pressure of drain opening, and adjust the flow of desuperheating water in real time through the hydrophobic temperature and the pressure of drain opening.
Drawings
Fig. 1 is a schematic structural diagram of a heating system of a heating network heater with an anti-vibration function according to the present invention.
The reference numerals in the schematic drawings illustrate:
100. a heat supply network heater; 101. a heater exhaust valve; 102. a safety valve; 110. a normal drain pipe; 111. a normal drainage electric valve; 112. a front manual valve; 113. a rear manual valve; 114. a normal drain bypass valve; 115. a normal drainage bypass pipe; 120. critical drain pipes; 121. critical drainage electric valve; 122. a critical drain control valve; 123. a critical drain bypass valve; 124. an emergency drain bypass pipe; 130. a sampling tube; 131. a sampling valve; 140. a water inlet pipe; 141. a water inlet valve; 150. a water outlet pipe; 151. a water outlet valve; 152. a steam exhaust valve of the water outlet pipe; 160. a side steam inlet pipe; 161. a side inlet valve A; 162. a side inlet steam bypass valve; 163. a side steam inlet regulating valve A; 170. a B side steam inlet pipe; 171. a side inlet valve B; 172. a side steam inlet bypass valve B; 173. the side B is provided with a steam inlet regulating valve;
200. a condenser; 201. a condensate header; 210. a temperature-reducing water pipe; 211. a stop valve; 212. a desuperheating water regulating valve; 300. a cooling tower; 400. a water supply pipe of an urban heat supply network; 500. a water return pipe of the urban heat supply network; 600. heating air supply main pipe.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1, the heating system with anti-vibration function for heating network heater of this embodiment includes a heating network heater 100, a heating air supply main pipe 600 is connected to the top of the heating network heater 100, specifically, an a side steam inlet pipe 160 and a B side steam inlet pipe 170 are connected between the heating air supply main pipe 600 and the top of the heating network heater 100 in this embodiment, wherein the a side steam inlet pipe 160 is sequentially provided with an a side steam inlet valve 161 and an a side steam inlet regulating valve 163, the a side steam inlet pipe 160 is further provided with a steam inlet bypass pipe, and the steam inlet bypass pipe is provided with an a side steam inlet bypass valve 162; in the same way, the B side steam inlet pipe 170 is sequentially provided with a B side steam inlet valve 171 and a B side steam inlet regulating valve 173, the B side steam inlet pipe 170 is further provided with a steam inlet bypass pipe, the steam inlet bypass pipe is provided with a B side steam inlet bypass valve 172, and steam paths on the left side and the right side of the top of the heat supply network heater 100 are supplied, so that the water inside the heat supply network heater 100 can be fully heated, the impact of high-temperature steam on a heat exchange pipe inside the heat supply network heater 100 can be effectively reduced, the stable and safe operation of the heat supply network heater 100 is ensured, and the heat economy of the system is improved.
In this embodiment, water in the return pipe 500 of the urban heat supply network enters the heat supply network heater 100 and is heated and then discharged to the water supply pipe 400 of the urban heat supply network, specifically, as shown in fig. 1, the top of the heat supply network heater 100 of this embodiment is provided with the water outlet pipe 150, the water outlet pipe 150 is communicated with the water supply pipe 400 of the urban heat supply network, and the water outlet pipe 150 is provided with the water outlet valve 151 and the water outlet pipe steam exhaust valve 152, so as to ensure the safety and stability of hot water for supplying the urban heat supply network, and facilitate the adjustment of the water. Meanwhile, the bottom of the heating network heater 100 is also provided with a water inlet pipe 140, the water inlet pipe 140 is communicated with the urban heating network return water pipe 500, and the water inlet valve 141 is arranged on the water inlet pipe 140, so that the recycling of the urban heating network water supply is realized, and the waste of water resources is avoided.
In this embodiment, the bottom of the heater 100 is provided with a normal drain pipe 110 and an emergency drain pipe 120, the normal drain pipe 110 is arranged to the condenser 200, the emergency drain pipe 120 is arranged to the cooling tower 300, wherein the normal drain pipe 110 is provided with a front manual valve 112, a normal drain electric valve 111 and a rear manual valve 113 in sequence, the normal drain pipe 110 is further connected with a normal drain bypass pipe 115, and the normal drain bypass pipe 115 is provided with a normal drain bypass valve 114; an emergency drain electric valve 121 and an emergency drain adjusting valve 122 are sequentially arranged on the emergency drain pipe 120, an emergency drain bypass pipe 124 is also connected to the emergency drain pipe 120, and an emergency drain bypass valve 123 is arranged on the emergency drain bypass pipe 124. The drainage in the heating network heater 100 is normally discharged into the condenser 200 through the normal drainage pipe 110, and only when the drainage water level in the heating network heater 100 is too high, the drainage is discharged into the cooling tower 300 through the critical drainage bypass pipe 124. In this embodiment, the top of the heat network heater 100 is further provided with a heater exhaust valve 101 and a safety valve 102, so that the stable operation of the heat network heater 100 can be further ensured. In this embodiment, the normal drain pipe 110 is further connected with a sampling pipe 130, and the sampling pipe 130 is provided with a sampling valve 131, so that the drainage can be sampled and detected.
Because the heating steam source pressure of the heat supply network heater 100 is low, and the normal drain pipe 110 is in a micro-negative pressure state, after heat exchange is performed in the heat supply network heater 100, steam is condensed into drain water, and the drain temperature in the normal drain pipe 110 is higher than the saturation temperature under the pressure, so that the drain water is subjected to secondary boiling at the drain opening of the normal drain pipe 110, and the internal vibration of the heat supply network heater 100 is caused. In order to avoid the water side leakage of the heat supply network heater 100 caused by the vibration of the heat supply network heater 100 and influence the safe operation of the unit, the vibration in the heat supply network heater 100 needs to be processed. In the embodiment, the condensation water header pipe 201 is communicated with the critical drain pipe 120 through the temperature reduction water pipe 210, the temperature reduction water pipe 210 is arranged on the front side of the critical drain electric valve 121, namely, the temperature reduction water pipe 210 is led out from the condensation water header pipe 201 to the front side of the critical drain electric valve 121, the temperature reduction water enters the bottom of the heat supply network heater 100 to be mixed with the drain water, the drain temperature in the heat supply network heater 100 is neutralized, cooled and cooled, the cooled drain water cannot reach the boiling temperature at the drain opening of the normal drain pipe 110, the boiling phenomenon of the drain opening cannot occur, so that the internal vibration of the heat supply network heater 100 is eliminated, and the safe operation of a unit is ensured; meanwhile, the desuperheating water is taken from the condensate water main pipe 201, the quality of the drained water recovered by the condenser 200 can be guaranteed to be qualified, the recovery purpose is achieved, and water resources are not wasted. This implementation heat supply network heater heating system has not only solved the inside vibration problem of heat supply network heater 100, changes on current system equipment basis moreover, does not have the influence to the piping arrangement of heat supply network system, not only can save and reform transform time and transformation cost, can not cause the reduction of the heat exchanger security performance that causes because of reforming transform yet, and need not improve system equipment itself, and the expense is few, has reduced the technological fund of reforming transform.
As shown in fig. 1, in the present embodiment, a temperature-reducing water regulating valve 212 is disposed on the temperature-reducing water pipe 210 for controlling and regulating the flow rate of the temperature-reducing water. The manual stop valve 211 is further arranged on the temperature reduction water pipe 210 in the embodiment, wherein the manual stop valve 211 is positioned on the front side of the temperature reduction water regulating valve 212, so that the inside hydrophobic water of the heat supply network heater 100 is prevented from directly flowing back to the condensed water main pipe 201 through the temperature reduction water pipe 210, and the water quality of the condensed water main pipe 201 is avoided. Meanwhile, a temperature meter and a pressure meter are arranged on the normal drain pipe 110, specifically, the temperature meter and the pressure meter are arranged at the drain opening of the normal drain pipe 110 in the embodiment, and are used for monitoring the drain temperature and the pressure of the drain opening in real time and adjusting the flow of the desuperheating water in real time through the drain temperature and the pressure of the drain opening.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a heat supply network heater heating system with vibration-proof function which characterized in that: the urban heat supply network heating system comprises a heat supply network heater (100), wherein the top of the heat supply network heater (100) is connected with a heating air supply main pipe (600), and water in an urban heat supply network water return pipe (500) enters the heat supply network heater (100) to be heated and then is discharged to an urban heat supply network water supply pipe (400); the bottom of heat supply network heater (100) is provided with normal drain pipe (110) and critical drain pipe (120), and normal drain pipe (110) are arranged to condenser (200), and critical drain pipe (120) are arranged to cold water tower (300), wherein critical drain pipe (120) are gone up and are set gradually critical drainage motorised valve (121) and critical drainage governing valve (122), and condensate water main pipe (201) are linked together through reducing temperature water pipe (210) and critical drain pipe (120), and reduce temperature water pipe (210) and set up in critical drainage motorised valve (121) front side.
2. The heating system with the vibration-proof function of the heating network heater as claimed in claim 1, wherein: the temperature-reducing water pipe (210) is provided with a temperature-reducing water regulating valve (212).
3. The heating system with the vibration-proof function of the heating network heater as claimed in claim 2, characterized in that: and a manual stop valve (211) is also arranged on the temperature reduction water pipe (210), wherein the manual stop valve (211) is positioned on the front side of the temperature reduction water regulating valve (212).
4. The heating system with the vibration-proof function of the heating network heater as claimed in claim 3, characterized in that: a thermometer and a pressure gauge are arranged on the normal drain pipe (110).
5. The system of any one of claims 1 to 4, wherein: the top of the heating network heater (100) is provided with a water outlet pipe (150), the water outlet pipe (150) is communicated with a water supply pipe (400) of the urban heating network, and the water outlet pipe (150) is provided with a water outlet valve (151) and a water outlet pipe steam exhaust valve (152).
6. The heating system with the vibration-proof function of the heating network heater as claimed in claim 5, wherein: the bottom of the heat supply network heater (100) is provided with a water inlet pipe (140), the water inlet pipe (140) is communicated with a water return pipe (500) of the urban heat supply network, and the water inlet pipe (140) is provided with a water inlet valve (141).
7. The heating system with the vibration-proof function of the heating network heater as claimed in claim 6, wherein: the normal drain pipe (110) is provided with a front manual valve (112), a normal drain electric valve (111) and a rear manual valve (113) in sequence.
8. The heating system with the vibration-proof function of the heating network heater as claimed in claim 7, wherein: the top of the heating network heater (100) is also provided with a heater steam exhaust valve (101) and a safety valve (102).
9. The heating system with the vibration-proof function of the heating network heater as claimed in claim 8, wherein: a side steam inlet pipe A (160) and a side steam inlet pipe B (170) are connected between the heating air supply main pipe (600) and the top of the heat supply network heater (100).
10. The heating system with the vibration-proof function of the heating network heater as claimed in claim 1, wherein: the normal drain pipe (110) is also connected with a sampling pipe (130), and the sampling pipe (130) is provided with a sampling valve (131).
CN202021229802.7U 2020-06-29 2020-06-29 Heating network heater heating system with anti-vibration function Active CN212841789U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021229802.7U CN212841789U (en) 2020-06-29 2020-06-29 Heating network heater heating system with anti-vibration function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021229802.7U CN212841789U (en) 2020-06-29 2020-06-29 Heating network heater heating system with anti-vibration function

Publications (1)

Publication Number Publication Date
CN212841789U true CN212841789U (en) 2021-03-30

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Application Number Title Priority Date Filing Date
CN202021229802.7U Active CN212841789U (en) 2020-06-29 2020-06-29 Heating network heater heating system with anti-vibration function

Country Status (1)

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CN (1) CN212841789U (en)

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