CN220404856U

CN220404856U - Tube-disc type cooling steam separator

Info

Publication number: CN220404856U
Application number: CN202321930394.1U
Authority: CN
Inventors: 赵志剑; 石磊; 林晓炜
Original assignee: Yantai Shenghe Auto Parts Co ltd
Current assignee: Yantai Shenghe Auto Parts Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2024-01-30
Anticipated expiration: 2033-07-21

Abstract

The utility model relates to the field of heat exchangers, in particular to a pipe-disc type cooling steam separator, which comprises a main tank and an auxiliary tank, wherein the main tank comprises an air inlet pipe penetrating through the main tank and extending into the lower part in the tank, a water outlet and an air outlet, a coil pipe is arranged in an inner cavity of the main tank, the coil pipe comprises an interface A and an interface B, any one of the interface A and the interface B is a refrigerant inlet, and the other interface is a refrigerant outlet; the coil pipe still includes in at least a set of condenser pipe module of circumferencial direction, main jar lateral wall and condenser pipe module correspond the position and are equipped with rectangular through-hole, the condenser pipe module runs through rectangular through-hole and stretches into in the jar, condenser pipe module mouth of pipe tip is equipped with the arc mounting panel, the arc mounting panel covers on rectangular through-hole, and with rectangular through-hole peripheral connection is fixed. The condenser pipe module can be manufactured in batches, assembled and assembled, and when the scaling or leakage problem occurs, the condenser pipe module can be overhauled, cleaned and replaced only by being detached independently.

Description

Tube-disc type cooling steam separator

Technical Field

The utility model relates to the field of heat exchangers, in particular to a pipe-disc type cooling steam separator.

Background

When the vacuum pump sucks the vapor, the vapor needs to be acted by a heat exchanger in advance to reduce the temperature of the vapor, so that the vapor is condensed into low-temperature liquid water to be discharged, and the rest small amount of vapor and noncondensable gas are sucked out by the vacuum pump. Chinese patent publication No. CN219200108U discloses a coiled tube type condensing heat exchanger, comprising: the fluid in the cylindrical shell is a first medium and flows in from the second opening and flows out from the first opening; the fluid in the winding pipe is a second medium, enters the winding pipe from the second pipeline, flows out through the first pipeline after exchanging heat with the first medium in the cylindrical shell, omits the tube plate and the sealing head, reduces the weight, reduces the cost, makes turbulence in the winding pipe as much as possible, flushes the inner wall of the winding pipe, avoids scaling inside, and avoids structural problems to the greatest extent by utilizing the turbulence principle.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects in the prior art, the novel pipe-disc type cooling steam separator is provided, the condensing pipeline adopts a modular split assembly structure, the heat exchange efficiency is improved, meanwhile, the quick assembly and the quick replacement of each module of the condensing pipeline are realized, the modular batch production is realized, and the production and later maintenance cost is reduced.

The technical scheme for solving the technical problems is as follows:

the utility model provides a pipe disc type cooling steam separator which comprises a main tank and an auxiliary tank, wherein an air inlet pipe is arranged at the top of the main tank, a water outlet is arranged at the bottom of the main tank, an air outlet is arranged on the side wall of the main tank, a coil pipe is arranged in an inner cavity of the main tank, the air inlet pipe penetrates through the main tank and stretches into the lower part in the tank, the coil pipe comprises an interface A and an interface B, any one of the interface A and the interface B is a refrigerant inlet, and the other interface is a refrigerant outlet; the coil pipe still includes in at least a set of condenser pipe module of circumferencial direction, main jar lateral wall and condenser pipe module correspond the position and are equipped with rectangular through-hole, the condenser pipe module runs through rectangular through-hole and stretches into in the jar, condenser pipe module mouth of pipe tip is equipped with the arc mounting panel, the arc mounting panel covers on rectangular through-hole, and with rectangular through-hole peripheral connection is fixed.

Compared with the prior art, the utility model has the beneficial effects that: the coil pipe for heat transfer comprises condenser pipe module, and the condenser pipe module runs through the rectangular through-hole of main jar corresponding position and stretches into in the jar to install fixedly through the arc mounting panel of condenser pipe module mouth of pipe tip, condenser pipe module can batch preparation, and the assembled is integrated, when the problem appears scale deposit or reveal, only need pull down condenser pipe module alone can overhaul the clearance and change, has reduced manufacturing and later maintenance cost.

Preferably, when the number of the condensation pipe modules exceeds one group, the coil pipe further comprises bent pipes, the condensation pipe modules in each group are connected in series through the bent pipes, and the bent pipes are positioned outside the main tank.

The scheme has the further beneficial effects that: the condensation pipe modules are connected in series through the bent pipe to form a passage, and an operator can complete pipeline assembly connection outside the tank.

Preferably, the inner cavity of the main tank is provided with a second flow baffle, the tail end of the air inlet pipe is provided with a first flow baffle, the number of the coils is at least two, the coils are distributed between the second flow baffle and the first flow baffle from top to bottom, and two adjacent coils are connected in series by a communicating pipe.

The scheme has the further beneficial effects that: the vapor enters along the air inlet pipe and then flows upwards through the impact diffusion of the first baffle plate to contact with the coil pipes distributed between the first baffle plate and the second baffle plate for heat exchange, so that the water precipitation amount is increased.

Preferably, each group of the coils is arranged in a staggered way in the circumferential direction.

The scheme has the further beneficial effects that: the coils are arranged in a staggered way, so that the contact area between the water vapor and the coils is increased, and the heat exchange efficiency is improved.

Preferably, the distance L between the wall of the coil pipe and the outer wall of the air inlet pipe is less than or equal to 50mm.

The scheme has the further beneficial effects that: through control coil pipe wall and intake pipe outer wall clearance, make vapor in-process ascending fully participate in heat transfer condensation, promote heat exchange efficiency.

Preferably, the condenser pipe module is provided with at least one condenser plate, and the pipeline of the condenser pipe module is made of copper or stainless steel.

The scheme has the further beneficial effects that: the condensing plate is added to further increase the surface area participating in heat exchange, and the pipeline is made of copper or stainless steel, so that the heat transfer and corrosion resistance of metal are mainly utilized, the heat transfer efficiency is improved, and the service life is prolonged.

Preferably, the bottom of the auxiliary tank is provided with a water outlet valve, the upper part of the auxiliary tank is provided with a liquid inlet pipe, a back pressure pipe and an air vent, the liquid inlet pipe is communicated with the water outlet, the liquid inlet pipe is provided with the liquid inlet valve, the back pressure pipe is communicated with the side wall of the main tank, and the back pressure pipe is provided with the back pressure valve; the auxiliary tank body is also provided with a liquid level monitoring device.

The scheme has the further beneficial effects that: the water separated and condensed from the main tank enters the auxiliary tank, and the water draining operation of the auxiliary tank can be automatically controlled through the liquid level monitoring device of the auxiliary tank. When the water draining operation is performed, the liquid inlet valve and the back pressure valve are closed, the water outlet valve is opened, positive pressure air is supplied to the auxiliary tank through the ventilation port to destroy the negative pressure environment established by the vacuum pump, and water is automatically drained. After the water discharge is finished, the water outlet valve is closed, the back pressure valve is opened preferentially, and then the liquid inlet valve is opened, so that the positive pressure gas in the auxiliary tank can be prevented from back blowing the water in the main tank.

Preferably, the bottom of the main tank is provided with an access hole.

The scheme has the further beneficial effects that: is used for cleaning scale and impurities deposited at the bottom of the tank.

Preferably, the outer layers of the bent pipe and the communicating pipe are wrapped with heat insulation materials.

The scheme has the further beneficial effects that: and the ineffective heat exchange between the refrigerant medium and the external environment is reduced.

Drawings

Fig. 1 is a front view of the overall structure of the present utility model.

Fig. 2 is a left side view of the overall structure of the present utility model.

FIG. 3 is a schematic diagram of the coil structure of the present utility model.

Fig. 4 is a schematic view of a condenser tube module structure according to the present utility model.

Fig. 5 is an isometric view of the overall structure of the present utility model.

In the figure, 1, a main tank; 2. an exhaust port; 3a, coil pipe; 4. a communicating pipe; 5. an air inlet pipe; 6. a back pressure valve; 7. a back pressure pipe; 8. a liquid inlet valve; 9. a ventilation port; 10. a sub tank; 11. a water outlet valve; 12. a second baffle plate; 13. rib plates; 14. a first baffle plate; 15. a water outlet; 16. a refrigerant outlet; 17. a refrigerant inlet; 18. a liquid inlet pipe; 19. an access opening; 20. a long through hole; 31. bending the pipe; 32. a movable nut; 33a, a condenser tube module; 331. a condensing plate; 332. and an arc-shaped mounting plate.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The utility model provides a pipe disc type cooling steam separator, as shown in fig. 1-5, comprising a main tank 1 and an auxiliary tank 10, wherein the top of the main tank 1 is provided with an air inlet pipe 5, the air inlet pipe 5 penetrates through the main tank 1 and stretches into the lower part in the tank, the bottom of the main tank 1 is provided with a water outlet 15, the side wall of the main tank 1 is provided with an air outlet 2, the inner cavity of the main tank 1 is provided with a coil pipe 3a, the coil pipe 3a is used as a circulation pipeline of refrigerant medium, the coil pipe 3a comprises an interface A and an interface B, any one of the interface A and the interface B is a refrigerant inlet, and the other interface is a refrigerant outlet; the coil pipe 3a still includes in the at least a set of condenser pipe module 33a of circumferencial direction, the main jar 1 lateral wall is equipped with rectangular through-hole 20 with condenser pipe module 33a corresponding position, and condenser pipe module 33a runs through rectangular through-hole 20 and stretches into the jar, condenser pipe module 33a mouth of pipe tip is equipped with arc mounting panel 332, and after condenser pipe module 33a inserts in place, arc mounting panel 332 covers on rectangular through-hole 20 to laminate with main jar 1 outer wall, arc mounting panel 332 passes through the fastener with rectangular through-hole 20 periphery and is connected fixedly, can increase the leakproofness through the form of installation sealing gasket between arc mounting panel 332 and the main jar 1 outer wall faying surface.

Specifically, when the number of the condensation pipe modules 33a exceeds one, the coil 3a further includes an elbow 31, the condensation pipe modules 33a of each group are connected in series by the elbow 31, the elbow 31 is located outside the main tank 1, after the condensation pipe modules 33a of each group are fixed with the main tank 1 through the arc-shaped mounting plate 332, the pipe orifice end of the condensation pipe module 33a is exposed outside the main tank 1, typically, the pipe orifice end of the condensation pipe module 33a is provided with threads, the quick connection with the elbow 31 can be realized through the movable nut 32, and the sealing gasket is arranged on the pipe connection end face of the condensation pipe module 33a and the elbow 31, so that the connection tightness is ensured to prevent liquid leakage.

As shown in fig. 2, the inner cavity of the main tank 1 is provided with a second baffle plate 12, the second baffle plate 12 is located below the exhaust port 2, the tail end of the air inlet pipe 5 is provided with a first baffle plate 14, the tail end of the first baffle plate 14 and the tail end of the air inlet pipe 5 are connected by a rib plate 13, the number of the coils 3a is at least two, the coils are distributed from top to bottom between the second baffle plate 12 and the first baffle plate 14, and two adjacent groups of coils 3a are connected in series by the communicating pipe 4 to form a passage.

As shown in fig. 2-4, in order to improve the heat exchange rate, each group of the coil pipes 3a is arranged in a staggered manner in the circumferential direction, and the distance L between the pipe wall of the coil pipe 3a and the outer wall of the air inlet pipe 5 is less than or equal to 50mm; the condenser tube module 33a is provided with at least one condenser plate 331, and the pipeline material of the condenser tube module 33a is copper or stainless steel. When the refrigerant medium is Freon provided by a refrigerating unit, a copper pipe is selected as a pipeline of the condensing pipe module 33 a; when the refrigerant medium is tap water, the pipeline of the condensing pipe module 33a is made of stainless steel pipes, and the outer wall of each stainless steel pipe can be wound with metal fins to enlarge the heat exchange area. In order to reduce the ineffective heat exchange between the refrigerant and the external environment, the outer layers of the bent pipe 31 and the communicating pipe 4 are coated with heat insulation materials, such as rubber-plastic heat insulation cotton.

The bottom of the auxiliary tank 10 is provided with a water outlet valve 11, the upper part of the auxiliary tank 10 is provided with a liquid inlet pipe 18, a back pressure pipe 7 and an air vent 9, the liquid inlet pipe 18 is communicated with a water outlet 15, the liquid inlet pipe 18 is provided with a liquid inlet valve 8, the back pressure pipe 7 is communicated with the side wall of the main tank 1, and the back pressure pipe 7 is provided with a back pressure valve 6; the tank body of the auxiliary tank 10 is provided with a liquid level monitoring device for monitoring the water level in the auxiliary tank 10. The bottom of the main tank 1 is provided with an access hole 19 for periodically cleaning scale and impurities inside the main tank 1.

The specific working principle is as follows: in this embodiment, the refrigerant medium enters the coil 3a through the refrigerant inlet 17, flows in the pipeline and is discharged through the refrigerant outlet 16, the refrigerant medium continuously circulates in the condensation pipeline in the tank, the high-temperature vapor enters the main tank 1 through the air inlet pipe 5, is dispersed and countercurrent after impacting the first baffle plate 14, the vapor fully contacts with a plurality of groups of coils 3a arranged between the first baffle plate 14 and the second baffle plate 12 in the countercurrent uplink process, the refrigerant medium in the coil 3a circulates from top to bottom and forms convection with the vapor in countercurrent from bottom to top, the refrigerant medium fully exchanges heat with the vapor, the vapor is cooled, the cooled vapor is continuously separated out and flows back to the bottom of the main tank 1, the cooled vapor enters the auxiliary tank 10 through the liquid inlet pipe 18, and the cooled vapor is discharged to the downstream vacuum pump through the air outlet 2.

Along with the continuous increase of the water quantity in the auxiliary tank 10, when the water level reaches the monitoring position, a signal is fed back to the centralized control system, the back pressure valve 6 and the liquid inlet valve 8 are closed simultaneously, external positive pressure gas enters the auxiliary tank 10 through the ventilation port 9, the negative pressure state in the auxiliary tank 10 is destroyed, the water outlet valve 11 is opened, and water in the auxiliary tank 10 flows out. After the water discharge is finished, the water outlet valve 11 is preferably closed, the back pressure valve 6 in the back pressure pipe 7 is opened, the auxiliary tank 10 is preferably in a negative pressure state, the liquid inlet valve 8 is opened, water enters the auxiliary tank 10 again, the water discharge operation is carried out repeatedly according to the process, and the cooling and condensing of the main tank 1 are continuously carried out during the water discharge.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a pipe dish formula cooling vapor separator, includes main jar (1), vice jar (10), main jar (1) top is equipped with intake pipe (5), and its bottom is equipped with outlet (15), main jar (1) lateral wall is equipped with gas vent (2), main jar (1) inner chamber is equipped with coil pipe (3 a), its characterized in that: the air inlet pipe (5) penetrates through the main tank (1) and extends into the lower part in the tank, the coil pipe (3 a) comprises an interface A and an interface B, any one of the interface A and the interface B is a refrigerant inlet, and the other interface is a refrigerant outlet; the coil pipe (3 a) further comprises at least one group of condensing pipe modules (33 a) in the circumferential direction, long through holes (20) are formed in the side wall of the main tank (1) and the positions corresponding to the condensing pipe modules (33 a), the condensing pipe modules (33 a) penetrate through the long through holes (20) and extend into the tank, an arc-shaped mounting plate (332) is arranged at the end of a pipe orifice of the condensing pipe module (33 a), and the arc-shaped mounting plate (332) is covered on the long through holes (20) and fixedly connected with the periphery of the long through holes (20).

2. The tube and disc cooling vapor separator of claim 1, wherein: when the number of the condensation pipe modules (33 a) exceeds one group, the coil pipe (3 a) further comprises bent pipes (31), the condensation pipe modules (33 a) in each group are connected in series through the bent pipes (31), and the bent pipes (31) are positioned outside the main tank (1).

3. A tube and disc type cooling steam separator as claimed in claim 2, wherein: the inner cavity of the main tank (1) is provided with a second flow baffle (12), the tail end of the air inlet pipe (5) is provided with a first flow baffle (14), the number of the coils (3 a) is at least two, the coils are distributed between the second flow baffle (12) and the first flow baffle (14) from top to bottom, and two adjacent groups of coils (3 a) are connected in series by the communicating pipe (4).

4. A tube and disc cooling vapor separator as set forth in claim 3 wherein: the coils (3 a) are arranged in a staggered manner in the circumferential direction.

5. The tube and disc cooling vapor separator of claim 1, wherein: the distance L between the pipe wall of the coil pipe (3 a) and the outer wall of the air inlet pipe (5) is less than or equal to 50mm.

6. The tube and disc cooling vapor separator of claim 1, wherein: the condensing pipe module (33 a) is provided with at least one condensing plate (331), and the pipeline of the condensing pipe module (33 a) is made of copper or stainless steel.

7. The tube and disc cooling vapor separator of claim 1, wherein: the bottom of the auxiliary tank (10) is provided with a water outlet valve (11), the upper part of the auxiliary tank (10) is provided with a liquid inlet pipe (18), a back pressure pipe (7) and a ventilation port (9), the liquid inlet pipe (18) is communicated with a water outlet (15), the liquid inlet pipe (18) is provided with a liquid inlet valve (8), the back pressure pipe (7) is communicated with the side wall of the main tank (1), and the back pressure pipe (7) is provided with a back pressure valve (6); the auxiliary tank (10) is also provided with a liquid level monitoring device.

8. The tube and disc cooling vapor separator of claim 1, wherein: an access hole (19) is formed in the bottom of the main tank (1).

9. A tube and disc cooling vapor separator as set forth in claim 3 wherein: the outer layers of the bent pipe (31) and the communicating pipe (4) are wrapped with heat insulation materials.