Pipeline structure
By introducing a first condensate drain pipe into the piping structure, the problem of condensate and rust mixtures eroding the regulating valve is solved, thus protecting the valve's sealing and regulating performance and reducing steam leakage and energy waste.
Patent Information
- Application Number
- CN202520259849.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-18
AI Technical Summary
In existing pipeline structures, the mixture of condensate and rust can easily accumulate and erode the regulating valve, leading to valve core wear, eccentricity, steam leakage, and energy waste.
A pipeline structure was designed, including an intake main pipeline, intake branch pipelines, a heat exchanger, and a drain pipeline. A first drain pipeline was introduced, and a drain valve was used to pre-drain the mixture of condensate and rust into the drain branch pipeline, preventing it from entering the intake branch pipeline and protecting the sealing and regulating performance of the regulating valve.
It effectively prevents the mixture of condensate and rust from eroding the control valve, ensuring the valve's sealing and regulating performance, reducing steam leakage, and lowering energy costs.
Smart Images
Figure CN223782641U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a drying oven equipment technical field, concretely relates to a pipeline structure. BACKGROUND
[0002] At present, the drying oven equipment for heating and drying the coated lithium battery pole piece generally comprises a heating device, a pipeline structure and a drying oven, the water is heated to form steam through the heating device, the steam enters the pipeline structure, the steam and air are heat exchanged through the pipeline structure to form hot air, and the hot air enters the drying oven to heat and dry the coated lithium battery.
[0003] The existing pipeline structure generally comprises an air inlet main pipeline, an air inlet branch pipeline, a heat exchanger and a drainage pipeline, the air inlet main pipeline comprises an air inlet main pipeline arranged vertically, the top end of the air inlet main pipeline is used for steam to enter, and the bottom end of the air inlet main pipeline is closed, the air inlet branch pipeline comprises an air inlet branch pipeline and an adjusting valve arranged on the air inlet branch pipeline, one end of the air inlet branch pipeline is connected with the air inlet main pipeline and is close to the bottom end of the air inlet main pipeline, the other end of the air inlet branch pipeline is connected with the inlet of the heat exchange pipe of the heat exchanger, the drainage pipeline comprises a drainage main pipeline and a drainage branch pipeline, one end of the drainage branch pipeline is connected with the drainage main pipeline, and the outlet of the heat exchange pipe of the heat exchanger is connected with the other end of the drainage branch pipeline. When the lithium battery pole piece is heated and dried, the heating device starts to work, the adjusting valve is opened, the steam formed by heating the water through the heating device first enters the air inlet main pipeline, then enters the air inlet branch pipeline, and then enters the heat exchange pipe of the heat exchanger under the action of the adjusting valve and exchanges heat with the air entering the heat exchanger from the air inlet of the heat exchanger. After heat exchange, the air forms hot air, the hot air enters the drying oven through the air outlet of the heat exchanger to heat and dry the lithium battery pole piece through the drying oven, the steam forms condensed water, the condensed water flows into the drainage branch pipeline through the outlet of the heat exchange pipe of the heat exchanger, and then flows into the drainage main pipeline. After the lithium battery pole piece is heated and dried, the heating device stops working, the adjusting valve is closed, at this time, the steam in the air inlet main pipeline will condense in the air inlet main pipeline to form condensed water, the condensed water and rust in the air inlet main pipeline will accumulate at the bottom of the air inlet main pipeline, when the liquid level of the mixture of the condensed water and the rust in the air inlet main pipeline is higher than one end of the air inlet branch pipeline, the mixture of the condensed water and the rust will flow into the air inlet branch pipeline, when the heating device starts to work and the adjusting valve is opened next time, the mixture of the condensed water and the rust will impact and flush the valve core and the valve rod of the adjusting valve, causing the valve core of the adjusting valve to be worn and the valve rod to be eccentric, weakening the adjusting performance of the adjusting valve and reducing the sealing performance, so that the steam leakage is prone to occur, causing the steam waste and increasing the energy cost. SUMMARY
[0004] In order to overcome the prior art, the utility model provides a pipeline structure can guarantee the regulating performance and leakproofness of regulating valve, prevent the emergence of steam leakage condition, reduce steam waste, reduce energy cost.
[0005] The utility model solves technical scheme that its technical problem adopts:
[0006] A pipeline structure, including intake main pipeline, intake branch pipeline, heat exchanger and drainage pipeline, intake main pipeline includes the intake main pipeline that is vertically arranged, the top end of intake main pipeline is used for steam into, the bottom end of intake main pipeline is closed, intake branch pipeline includes intake branch pipeline and sets up on the regulating valve of intake branch pipeline, one end of intake branch pipeline is connected with intake main pipeline and is close to the bottom end of intake main pipeline, the other end of intake branch pipeline is connected with the inlet of heat exchange pipe of heat exchanger, drainage pipeline includes drainage main pipeline and drainage branch pipeline, one end of drainage branch pipeline is connected with drainage main pipeline, the outlet of heat exchange pipe of heat exchanger is connected with the other end of drainage branch pipeline, still include first hydrophobic pipeline, first hydrophobic pipeline includes first hydrophobic pipeline and sets up on the first hydrophobic valve of first hydrophobic pipeline, the upper end of first hydrophobic pipeline is connected with intake main pipeline and is located between the bottom end of intake main pipeline and one end of intake branch pipeline, the lower end of first hydrophobic pipeline is connected with the other end of drainage branch pipeline.
[0007] As a preferred technical scheme, intake branch pipeline still includes first stop valve, first filter and intake pressure gauge, first stop valve, first filter and intake pressure gauge are all set up on intake branch pipeline, first stop valve is located between one end of intake branch pipeline and regulating valve, first filter is located between first stop valve and regulating valve, intake pressure gauge is located between regulating valve and the other end of intake branch pipeline.
[0008] As a preferred technical scheme, first hydrophobic pipeline still includes second stop valve, third stop valve and first check valve, second stop valve, third stop valve and first check valve are all set up on first hydrophobic pipeline, second stop valve is located between second hydrophobic valve and the upper end of first hydrophobic pipeline, third stop valve is located between second hydrophobic valve and the lower end of first hydrophobic pipeline, first check valve is located between second hydrophobic valve and third stop valve.
[0009] As a preferred technical scheme, the outlet of heat exchange pipe of heat exchanger is connected with the other end of drainage branch pipeline through second hydrophobic pipeline.
[0010] Preferably, the second hydrophobic pipeline comprises a second hydrophobic pipeline and a second hydrophobic valve, one end of the second hydrophobic pipeline is connected with the outlet of the heat exchange pipeline of the heat exchanger, the other end of the second hydrophobic pipeline is connected with the other end of the drainage branch pipeline, and the second hydrophobic valve is arranged on the second hydrophobic pipeline.
[0011] Preferably, the second hydrophobic pipeline further comprises a fourth stop valve and a fifth stop valve, the fourth stop valve and the fifth stop valve are arranged on the second hydrophobic pipeline, the fourth stop valve is located between one end of the second hydrophobic pipeline and the second hydrophobic valve, and the fifth stop valve is located between the second hydrophobic valve and the other end of the second hydrophobic pipeline.
[0012] Preferably, the second hydrophobic pipeline further comprises a second filter and a second check valve, the second filter and the second check valve are arranged on the second hydrophobic pipeline, the second filter is located between the fourth stop valve and the second hydrophobic valve, and the second check valve is located between the second hydrophobic valve and the fifth stop valve.
[0013] Preferably, the second hydrophobic pipeline further comprises a hydrophobic branch pipeline and a sixth stop valve, two ends of the hydrophobic branch pipeline are connected with the second hydrophobic pipeline respectively, the fourth stop valve and the fifth stop valve are located between the two ends of the hydrophobic branch pipeline, and the sixth stop valve is arranged on the hydrophobic branch pipeline.
[0014] Preferably, the second hydrophobic pipeline comprises a mechanical hydrophobic valve pump, an inlet of the mechanical hydrophobic valve pump is connected with the outlet of the heat exchange pipeline of the heat exchanger through a first pipeline, and an outlet of the mechanical hydrophobic valve pump is connected with the other end of the drainage branch pipeline through a second pipeline.
[0015] As a preferred technical scheme, the air inlet main pipeline further comprises an air inlet main pipe arranged horizontally, one end of the air inlet main pipe is used for being connected with the heating device, the other end of the air inlet main pipe is closed, the top end of the air inlet main pipe is connected with the air inlet main pipe, and the pneumatic cut-off valve is arranged on the air inlet main pipe and located between the one end of the air inlet main pipe and the top end of the air inlet main pipe; the pipeline structure further comprises a third drainage pipeline, the third drainage pipeline comprises a third drainage pipe arranged vertically, a fourth drainage pipe, a third drainage valve, a seventh stop valve, an eighth stop valve and a third check valve, the top end of the third drainage pipe is connected with the air inlet main pipe and close to the other end of the air inlet main pipe, the bottom end of the third drainage pipe is closed, one end of the fourth drainage pipe is connected with the third drainage pipe, the other end of the fourth drainage pipe is used for being connected with the collecting device, the third drainage valve, the seventh stop valve, the eighth stop valve and the third check valve are all arranged on the fourth drainage pipe, the seventh stop valve is located between the one end of the fourth drainage pipe and the third drainage valve, the eighth stop valve is located between the third drainage valve and the other end of the fourth drainage pipe, and the third check valve is located between the third drainage valve and the eighth stop valve.
[0016] The first drainage pipeline is arranged, and after the heating device stops working, the mixture of the condensed water and the rust in the air inlet main pipe can be discharged into the drainage branch pipe before the liquid level of the mixture is higher than one end of the air inlet branch pipe, so that the mixture of the condensed water and the rust can be prevented from flowing into the air inlet branch pipe, the mixture of the condensed water and the rust can be prevented from washing and impacting the valve core and the valve rod of the regulating valve, the valve core of the regulating valve can be prevented from being abraded and the valve rod can be prevented from being eccentric, the adjusting performance and the sealing performance of the regulating valve are ensured, the steam leakage is prevented, the steam waste is reduced, and the energy cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model is further explained in connection with the drawings and examples.
[0018] Figure 1 It is a kind of pipeline structure's structure schematic view provided by the utility model one embodiment.
[0019] Reference signs:
[0020] 10, air inlet main pipeline;11, air inlet main pipe;12, air inlet main pipe;13, pneumatic cut-off valve;
[0021] 20, intake branch line; 21, intake branch pipe; 22, regulating valve; 23, first stop valve; 24, first filter; 25, intake pressure gauge;
[0022] 30, heat exchanger; 31, heat exchange pipe;
[0023] 40, drain line; 41, drain main pipe; 42, drain branch pipe;
[0024] 50, first drain line; 51, first drain pipe; 52, first drain valve; 53, second stop valve; 54, third stop valve; 55, first check valve;
[0025] 60, second drain line; 61, second drain pipe; 62, second drain valve; 63, fourth stop valve; 64, fifth stop valve; 65, second filter; 66, second check valve; 67, drain branch pipe; 68, sixth stop valve;
[0026] 70, third drain line; 71, third drain pipe; 72, fourth drain pipe; 73, third drain valve; 74, seventh stop valve; 75, eighth stop valve; 76, third check valve. DETAILED DESCRIPTION
[0027] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relations involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be composed by adding or reducing coupling auxiliary components according to the specific implementation situation. The various technical features in the present application can be interactively combined without mutual contradiction and conflict.
[0028] Please refer to Figure 1 The present application provides a kind of pipeline structure, including intake main line 10, intake branch line 20, heat exchanger 30, drain line 40 and first drain line 50.
[0029] Intake main line 10 includes the intake main pipe 11 of horizontal arrangement, the intake main pipe 12 of vertical arrangement and pneumatic cut-off valve 13.
[0030] One end of the air inlet main pipe 11 is connected to the heating device, and the other end of the air inlet main pipe 11 is closed. The top end of the air inlet branch pipe 12 is connected to the air inlet main pipe 11 for steam to enter, and the bottom end of the air inlet branch pipe 12 is closed. After water is heated by the heating device to form steam, the steam enters the air inlet main pipe 11 first, and then enters the air inlet branch pipe 12 through the top end of the air inlet branch pipe 12.
[0031] The pneumatic cut-off valve 13 is arranged on the air inlet main pipe 11 and located between one end of the air inlet main pipe 11 and the top end of the air inlet branch pipe 12. The pneumatic cut-off valve 13 is used to control the opening and closing of the steam in the air inlet main pipe 11.
[0032] The air inlet branch line 20 includes an air inlet branch pipe 21, a regulating valve 22, a first stop valve 23, a first filter 24, and an air inlet pressure gauge 25 arranged on the air inlet branch pipe 21. One end of the air inlet branch pipe 21 is connected to the air inlet main pipe 12 and is close to the bottom end of the air inlet main pipe 12, and the other end of the air inlet branch pipe 21 is connected to the inlet of the heat exchange pipe 31 of the heat exchanger 30. The first stop valve 23 is located between one end of the air inlet branch pipe 21 and the regulating valve 22. The first filter 24 is located between the first stop valve 23 and the regulating valve 22. The air inlet pressure gauge 25 is located between the regulating valve 22 and the other end of the air inlet branch pipe 21. The regulating valve 22 is used to control the amount of steam entering the heat exchange pipe 31 of the heat exchanger 30. The first stop valve 23 is generally in an open state and is closed when the regulating valve 22 or the first filter 24 needs to be repaired or replaced, so as to prevent the steam in the air inlet branch pipe 21 from being sprayed to the external environment. The first filter 24 is used to filter rust, so as to prevent the rust from impacting the valve core and valve rod of the regulating valve 22, so that the valve core of the regulating valve 22 does not appear to be worn and the valve rod does not appear to be eccentric, thereby ensuring the regulating performance and sealing performance of the regulating valve 22. The air inlet pressure gauge 25 is used to detect the pressure in the air inlet branch pipe 21, so as to control the amount of steam entering the heat exchange pipe 31 of the heat exchanger 30 through the regulating valve 22, thereby realizing the control of the pressure in the heat exchange pipe 31 of the heat exchanger 30.
[0033] The drain line 40 includes a drain main pipe 41 arranged horizontally and a drain branch pipe 42. One end of the drain main pipe 41 is connected to the collecting device, and the other end of the drain main pipe 41 is closed. One end of the drain branch pipe 42 is connected to the drain main pipe 41, and the outlet of the heat exchange pipe 31 of the heat exchanger 30 is connected to the other end of the drain branch pipe 42. The condensed water entering the drain branch pipe 42 first enters the drain main pipe 41, and then enters the collecting device for collection.
[0034] The first drain line 50 is used to drain the condensate and rust mixture in the air intake main pipe 12 into the drain branch pipe 42 before the liquid level of the condensate and rust mixture is higher than the one end of the air intake branch pipe 21, so as to prevent the condensate and rust mixture from flowing into the air intake branch pipe 21. Specifically, the first drain line 50 comprises a first drain pipe 51, a first drain valve 52, a second stop valve 53, a third stop valve 54 and a first check valve 55 arranged on the first drain pipe 51. The upper end of the first drain pipe 51 is connected with the air intake main pipe 12 and located between the bottom end of the air intake main pipe 12 and the one end of the air intake branch pipe 21, and the lower end of the first drain pipe 51 is connected with the other end of the drain branch pipe 42. The first drain valve 52 functions as a steam blocking drain. The second stop valve 53 is located between the second drain valve 52 and the upper end of the first drain pipe 51, the third stop valve 54 is located between the second drain valve 52 and the lower end of the first drain pipe 51, and the first check valve 55 is located between the second drain valve 52 and the third stop valve 54. The second stop valve 53 and the third stop valve 54 are generally in an open state, and are closed when the first drain valve 52 needs to be repaired or replaced, so as to prevent the steam or condensate in the first drain pipe 51 from being sprayed to the external environment. The first check valve 55 is used to prevent the condensate from flowing back to the air intake main pipe 12.
[0035] In this embodiment, the outlet of the heat exchange tube 31 of the heat exchanger 30 is connected to the other end of the drainage branch pipe 42 through the second drainage pipe 60. The second drainage pipe 60 is used to quickly drain the condensed water into the drainage branch pipe 42 after the steam in the heat exchange tube 30 exchanges heat with the air in the heat exchanger 30 to form condensed water, so as to prevent the condensed water from blocking the heat exchange tube 31 of the heat exchanger 30. Specifically, the second drainage pipe 60 includes a second drainage pipe 61, a second drainage valve 62, a fourth stop valve 63, a fifth stop valve 64, a second filter 65, a second check valve 66, a drainage branch pipe 67, and a sixth stop valve 68. One end of the second drainage pipe 61 is connected to the outlet of the heat exchange tube 31 of the heat exchanger 30, and the other end of the second drainage pipe 61 is connected to the other end of the drainage branch pipe 42. The second drainage valve 62, the fourth stop valve 63, the fifth stop valve 64, the second filter 65, and the second check valve 66 are all arranged on the second drainage pipe 62. The fourth stop valve 63 is located between the one end of the second drainage pipe 61 and the second drainage valve 62, and the fifth stop valve 64 is located between the second drainage valve 62 and the other end of the second drainage pipe 61. The second filter 65 is located between the fourth stop valve 63 and the second drainage valve 62, and the second check valve 66 is located between the second drainage valve 62 and the fifth stop valve 64. The two ends of the drainage branch pipe 67 are respectively connected to the second drainage pipe 61, and the fourth stop valve 63 and the fifth stop valve 64 are located between the two ends of the drainage branch pipe 67. The sixth stop valve 68 is arranged on the drainage branch pipe 67. The second drainage valve 62 functions as a steam blocking drainage valve. The fourth stop valve 63 and the fifth stop valve 64 are generally in an open state, and are closed when the second drainage valve 62 or the second filter 65 needs to be repaired or replaced, so as to prevent the condensed water in the second drainage pipe 61 from being sprayed to the external environment. The second filter 65 is used to filter rust, so as to prevent the rust from entering the second drainage valve 62, thereby protecting the second drainage valve 62. The second check valve 66 is used to prevent the condensed water from flowing back to the heat exchange tube 31 of the heat exchanger 30. The sixth stop valve 68 is generally in a closed state, and when the fourth stop valve 63 and the fifth stop valve 64 need to be repaired or replaced, the condensed water in the second drainage pipe 61 can be prevented from being sprayed to the external environment through the closed sixth stop valve 68.
[0036] In an alternative, the second drainage pipe 60 includes a mechanical drainage valve pump. The inlet of the mechanical drainage valve pump is connected to the outlet of the heat exchange tube 31 of the heat exchanger 30 through a first pipe, and the outlet of the mechanical drainage valve pump is connected to the other end of the drainage branch pipe 42 through a second pipe. After the steam in the heat exchange tube 31 of the heat exchanger 30 exchanges heat with the air in the heat exchanger 30 to form condensed water, the condensed water can be drained into the drainage branch pipe 42 through the mechanical drainage valve pump. The mechanical drainage valve pump has high integration and small space occupation, thereby reducing the space occupied by the pipe structure.
[0037] Further, the pipeline structure further comprises a third drain pipeline 70, the third drain pipeline 70 is used for draining the condensate water in the air inlet main pipeline 11 into the collecting device, so as to prevent the condensate water from blocking the air inlet main pipeline 11. Specifically, the third drain pipeline 70 comprises a third drain pipeline 71 arranged vertically, a fourth drain pipeline 72, a third drain valve 73, a seventh stop valve 74, an eighth stop valve 75 and a third check valve 76. The top end of the third drain pipeline 71 is connected with the air inlet main pipeline 11 and is close to the other end of the air inlet main pipeline 11, and the bottom end of the third drain pipeline 71 is closed. One end of the fourth drain pipeline 72 is connected with the third drain pipeline 71, and the other end of the fourth drain pipeline 72 is used for being connected with the collecting device. The third drain valve 73, the seventh stop valve 74, the eighth stop valve 75 and the third check valve 76 are all arranged on the fourth drain pipeline 72, the seventh stop valve 74 is located between the one end of the fourth drain pipeline 72 and the third drain valve 73, the eighth stop valve 75 is located between the third drain valve 73 and the other end of the fourth drain pipeline 72, and the third check valve 76 is located between the third drain valve 73 and the eighth stop valve 75. The third drain valve 73 plays a role of blocking steam drainage. The seventh stop valve 74 and the eighth stop valve 75 are generally in an open state, and are closed when the third drain valve 73 needs to be overhauled or replaced, so as to prevent steam or condensate water in the fourth drain pipeline 72 from being sprayed to the external environment. The third check valve 76 is used for preventing the condensate water from flowing back to the air inlet main pipeline 11.
[0038] In the embodiment, the first drain valve 52 and the third drain valve 73 are both thermal-static type drain valves, and the second drain valve 62 is a float ball type drain valve. The first stop valve 23, the second stop valve 53, the third stop valve 54, the fourth stop valve 63, the fifth stop valve 64, the sixth stop valve 68, the seventh stop valve 74 and the eighth stop valve 75 are all corrugated pipe stop valves. The first filter 24 is a Y type DN25 filter, and the second filter 65 is a 30 mesh Y type filter. The regulating valve 22 is a pneumatic regulating valve.
[0039] The utility model discloses in actual application, in initial state, pneumatic cut -out valve 13, third trap 73, first trap 52, regulating valve 22, second trap 62 are all closed state, after the heating device starts work, open pneumatic cut -out valve 13, regulating valve 22 and second trap 62, through heating device and form the steam of water heating first into into the air intake main pipeline 11, then into into the air intake main pipeline 12, then into into the air intake branch pipeline 21, under the action of regulating valve 22, then into into the heat exchange tube 31 of heat exchanger 30 and with the air from the air inlet of heat exchanger 30 into into the heat exchange of heat exchanger 30, after heat exchange, air forms hot air, and hot air enters the oven through the air outlet of heat exchanger 30 to heat and dry the lithium battery pole piece through the oven, and steam forms condensate, and condensate flows into second trap pipeline 61 through the outlet of heat exchange tube 31 of heat exchanger 30, under the action of second trap 62, and then flows into drainage branch pipeline 42, then flows into drainage main pipeline 41, then into into the collecting device and collects.
[0040] After heating and drying the lithium battery pole piece, the heating device stops working, closes pneumatic cut -out valve 13, regulating valve 22, second trap 62 and opens first trap 52 and third trap 73, at this time, the steam in air intake main pipeline 12 can condense in air intake main pipeline 12 and form condensate, and the mixture of the condensate and rust in air intake main pipeline 12 can accumulate in the bottom of air intake main pipeline 12, when the liquid level of the mixture of the condensate and rust is higher than the upper end of first trap pipeline 51, the mixture of the condensate and rust can flow into first trap pipeline 51, under the action of first trap 52, and then flows into drainage branch pipeline 42, then flows into drainage main pipeline 41, then into into the collecting device and collects, and the steam in air intake main pipeline 11 can condense in air intake main pipeline 11 and form condensate, the condensate first flows into third trap pipeline 71, then flows into fourth trap pipeline 72, under the action of third trap 73, and then flows into the collecting device and collects.
[0041] The utility model discloses a first drain pipeline 50, first drain pipeline 50 includes first drain pipeline 51 and sets up first drain valve 52 on first drain pipeline 51, after the heating device stops working, through first drain pipeline 50 can be in the mixture of condensed water and rust in air inlet main pipe 12 before the liquid level height of the mixture of condensed water and rust is higher than one end of air inlet branch pipe 21 and this condensed water and rust mixture is drained into drainage branch pipe 42, and this can avoid the mixture of condensed water and rust to flow into air inlet branch pipe 21, thereby can avoid the mixture of condensed water and rust to wash and impact the valve core and valve stem of regulating valve 22, make the valve core of regulating valve 22 not appear the situation of abrasion and the valve stem not appear eccentric situation, guarantee the regulating performance and sealing property of regulating valve 22, can prevent the situation of steam leakage, reduce steam waste, reduce energy cost. Through the second drain pipeline 60 of setting, after the steam in the heat exchange pipe 31 of heat exchanger 30 and the air in heat exchanger 30 carry out heat exchange and form condensed water, can drain this condensed water into drainage branch pipe 42 quickly, can avoid this condensed water to block the heat exchange pipe 31 of heat exchanger 30. The third drain pipeline 70 of setting, can drain the condensed water in air inlet main pipe 11 into the collecting device and collect, can avoid condensed water to block air inlet main pipe 11.
[0042] The above is the preferable implementation of the utility model is carried out the specific description, but the utility model creation is not limited to the described embodiment, the skilled person in the art can make various equivalent modifications or replacements under the premise of not violating the spirit of the utility model, these equivalent modifications or replacements all contain in the range defined in the application claim.
Claims
1. A pipeline structure comprising an intake main pipeline, an intake branch pipeline, a heat exchanger and a drainage pipeline, the intake main pipeline comprising an intake main pipe arranged vertically, a top end of the intake main pipe being used for steam to enter, a bottom end of the intake main pipe being closed, the intake branch pipeline comprising an intake branch pipe and a regulating valve arranged on the intake branch pipe, one end of the intake branch pipe being connected with the intake main pipe and being close to the bottom end of the intake main pipe, the other end of the intake branch pipe being connected with an inlet of a heat exchange pipe of the heat exchanger, the drainage pipeline comprising a drainage main pipe and a drainage branch pipe, one end of the drainage branch pipe being connected with the drainage main pipe, an outlet of the heat exchange pipe of the heat exchanger being connected with the other end of the drainage branch pipe, characterized in that, The first water drainage pipeline comprises a first water drainage pipe and a first water drainage valve arranged on the first water drainage pipe, wherein an upper end of the first water drainage pipe is connected with the air inlet main pipe and located between a bottom end of the air inlet main pipe and one end of the air inlet branch pipe, and a lower end of the first water drainage pipe is connected with the other end of the water drainage branch pipe.
2. The pipe arrangement according to claim 1, characterized in that The air inlet branch pipeline further comprises a first stop valve, a first filter and an air inlet pressure gauge, wherein the first stop valve, the first filter and the air inlet pressure gauge are arranged on the air inlet branch pipe, the first stop valve is located between one end of the air inlet branch pipe and the regulating valve, the first filter is located between the first stop valve and the regulating valve, and the air inlet pressure gauge is located between the regulating valve and the other end of the air inlet branch pipe.
3. The pipe arrangement according to claim 1, characterized in that The first water drainage pipeline further comprises a second stop valve, a third stop valve and a first check valve, wherein the second stop valve, the third stop valve and the first check valve are arranged on the first water drainage pipe, the second stop valve is located between the second water drainage valve and the upper end of the first water drainage pipe, the third stop valve is located between the second water drainage valve and the lower end of the first water drainage pipe, and the first check valve is located between the second water drainage valve and the third stop valve.
4. The plumbing arrangement of claim 1, wherein, An outlet of the heat exchange pipe of the heat exchanger is connected with the other end of the water drainage branch pipe through a second water drainage pipeline.
5. The pipe arrangement according to claim 4, characterized in that The second water drainage pipeline comprises a second water drainage pipe and a second water drainage valve, wherein one end of the second water drainage pipe is connected with the outlet of the heat exchange pipe of the heat exchanger, the other end of the second water drainage pipe is connected with the other end of the water drainage branch pipe, and the second water drainage valve is arranged on the second water drainage pipe.
6. The pipe arrangement according to claim 5, characterized in that The second water drainage pipeline further comprises a fourth stop valve and a fifth stop valve, wherein the fourth stop valve and the fifth stop valve are arranged on the second water drainage pipe, the fourth stop valve is located between one end of the second water drainage pipe and the second water drainage valve, and the fifth stop valve is located between the second water drainage valve and the other end of the second water drainage pipe.
7. The pipe arrangement according to claim 6, characterized in that The second water drainage pipeline further comprises a second filter and a second check valve, wherein the second filter and the second check valve are arranged on the second water drainage pipe, the second filter is located between the fourth stop valve and the second water drainage valve, and the second check valve is located between the second water drainage valve and the fifth stop valve.
8. The plumbing arrangement of claim 6, wherein, The second water drainage pipeline further comprises a water drainage branch pipe and a sixth stop valve, wherein two ends of the water drainage branch pipe are connected with the second water drainage pipe respectively, the fourth stop valve and the fifth stop valve are located between the two ends of the water drainage branch pipe, and the sixth stop valve is arranged on the water drainage branch pipe.
9. The plumbing arrangement of claim 4, wherein, The second water drainage pipeline comprises a mechanical water drainage valve pump, wherein an inlet of the mechanical water drainage valve pump is connected with the outlet of the heat exchange pipe of the heat exchanger through a first pipe, and an outlet of the mechanical water drainage valve pump is connected with the other end of the water drainage branch pipe through a second pipe.
10. The plumbing arrangement of claim 1, wherein, The intake manifold pipeline further comprises a horizontally arranged intake manifold pipe, one end of which is used for connecting with the heating device, the other end of which is closed, and the top end of the intake main pipe is connected with the intake manifold pipe, and the pneumatic cut-off valve is arranged on the intake manifold pipe and located between one end of the intake manifold pipe and the top end of the intake main pipe; The pipeline structure further comprises a third drainage pipeline, which comprises a vertically arranged third drainage pipe, a fourth drainage pipe, a third drainage valve, a seventh stop valve, an eighth stop valve and a third check valve, the top end of the third drainage pipe is connected with the intake manifold pipe and is close to the other end of the intake manifold pipe, the bottom end of the third drainage pipe is closed, one end of the fourth drainage pipe is connected with the third drainage pipe, the other end of the fourth drainage pipe is used for connecting with the collecting device, the third drainage valve, the seventh stop valve, the eighth stop valve and the third check valve are all arranged on the fourth drainage pipe, the seventh stop valve is located between one end of the fourth drainage pipe and the third drainage valve, the eighth stop valve is located between the third drainage valve and the other end of the fourth drainage pipe, and the third check valve is located between the third drainage valve and the eighth stop valve.