CN216477508U - Steam turbine drainage heat recovery device of power plant - Google Patents

Abstract

The utility model discloses a power plant steam turbine drainage heat recovery device which comprises a shell, wherein a heat recovery device is fixedly installed on the side wall of the shell, a filtering device is fixedly installed at the top of the shell, the heat recovery device comprises a cooling water tank fixedly installed on the left side wall of the shell, a cooling water pipe fixedly connected to the right side of the cooling water tank, a supporting frame movably installed outside the cooling water pipe and a temperature sensor fixedly installed outside the cooling water pipe, the filtering device comprises an air outlet pipe fixedly connected to the top of the shell, a first electromagnetic valve is fixedly installed outside the air outlet pipe, and a quartz sand filtering net, an active carbon filtering net and a polyvinyl chloride filtering net are fixedly installed inside the air outlet pipe from bottom to top. This hydrophobic heat recovery unit of steam turbine of power plant, hot steam pass through the inside that the steam pipe got into the shell, and the water pump transports condenser tube's inside with the cooling water, makes hot steam and cooling water carry out heat exchange reaction, possesses the advantage that heat recovery efficiency is high.

Description

Steam turbine drainage heat recovery device of power plant

Technical Field

The utility model relates to the technical field of heat recovery, in particular to a device for recovering drainage heat of a steam turbine of a power plant.

Background

The steam turbine is a main equipment of modern thermal power plant, also used in metallurgical industry, chemical industry and ship power plant.

At present, thermal power plants at home and abroad are provided with heat recovery devices for recovering heat surplus in water vapor, but the heat recovery rate of the traditional heat recovery devices is lower and the recovery efficiency is low, and the traditional heat recovery devices do not have a filtering function, so that the direct discharge can cause harm to human bodies and the environment.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the power plant steam turbine drainage heat recovery device which has the advantages of filtering function and the like and solves the problems of low heat recovery rate and low recovery efficiency of the traditional heat recovery device.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a power plant's steam turbine drainage heat recovery unit, includes the shell, fixed mounting has heat recovery unit on the lateral wall of shell, the top fixed mounting of shell has filter equipment, heat recovery unit includes coolant tank, the condenser tube of fixed connection on the coolant tank left side wall on fixed mounting, fixed mounting in the outside support frame of condenser tube and fixed mounting in the outside temperature-sensing ware of condenser tube on coolant tank right side, filter equipment includes fixed connection in the outlet duct at shell top, the outside fixed mounting of outlet duct has first solenoid valve, the inside from the bottom up of outlet duct is fixed mounting in proper order has quartz sand filter screen, active carbon filter screen and polyvinyl chloride filter screen.

Furthermore, a steam pipe is fixedly connected to the left side wall of the shell, and a second electromagnetic valve is fixedly mounted outside the steam pipe.

Further, cooling water tank's top fixedly connected with inlet tube, the outside fixed mounting of inlet tube has the third solenoid valve, cooling water tank's inside fixed mounting has the water pump.

Furthermore, one end of the cooling water pipe, which is far away from the cooling water tank, is fixedly connected with a water outlet pipe, a fourth electromagnetic valve is fixedly installed outside the water outlet pipe, and the cooling water pipe is in a continuous S shape.

Further, the bottom fixedly connected with recovery tube of shell, the outside fixed mounting of recovery tube has the fifth solenoid valve, the one end fixedly connected with collection box of shell is kept away from to the recovery tube.

Further, the appearance of shell is oval, the bottom fixedly connected with support column of shell, the quantity of support column is four, four support column symmetric distribution is in the bottom of shell.

Further, the round hole has been seted up to the inside of support frame, condenser tube joint is on the inner wall of support frame, the quantity of support frame is two, two the support frame distributes in condenser tube's upper and lower both ends.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this hydrophobic heat recovery unit of steam turbine of power plant, hot steam pass through the inside that the steam pipe got into the shell, start the inside that the water pump transported the condenser tube with the cooling water, make hot steam and cooling water carry out heat exchange reaction, control fourth solenoid valve makes hot water retrieve, possess the advantage that heat recovery efficiency is high.

2. This hydrophobic heat recovery unit of power plant's steam turbine, the inside of the first solenoid valve of control messenger steam admission outlet duct filters it through quartz sand filter screen, active carbon filter screen and polyvinyl chloride filter screen, possesses filtering capability's advantage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the filter assembly of the present invention;

FIG. 3 is a schematic front view of the present invention.

In the figure: the device comprises a shell 1, a cooling water tank 2, a cooling water pipe 3, a support frame 4, a temperature sensor 5, an air outlet pipe 6, a first electromagnetic valve 7, a quartz sand filter screen 8, an activated carbon filter screen 9, a polyvinyl chloride filter screen 10, a steam pipe 11, a second electromagnetic valve 12, a water inlet pipe 13, a third electromagnetic valve 14, a water outlet pipe 15, a fourth electromagnetic valve 16, a recovery pipe 17 and a fifth electromagnetic valve 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the power plant steam turbine drainage heat recovery device in the embodiment includes a housing 1, a heat recovery device is fixedly mounted on a side wall of the housing 1, a filter device is fixedly mounted on a top of the housing 1, the housing 1 is oval in shape, support columns are fixedly connected to a bottom of the housing 1, the support columns play a supporting role, the number of the support columns is four, and the four support columns are symmetrically distributed on the bottom of the housing 1, so that a stable supporting role is played.

It should be noted that, heat recovery unit includes cooling water tank 2 of fixed mounting on the shell 1 left side wall, and the clear water after the cooling is stored to cooling water tank 2 ' S inside, and fixed connection is in cooling water pipe 3 on cooling water tank 2 right side, and cooling water pipe 3 plays transportation clear water and hot alternating effect, and cooling water pipe 3 ' S appearance is continuous S-shaped, the extension like this and the area of hot steam contact to reach the advantage that improves heat recovery ' S efficiency.

It can be understood that, movable mounting is in the outside support frame 4 of condenser tube 3, and support frame 4 plays the effect of fixing and supporting condenser tube 3, and the round hole has been seted up to the inside of support frame 4, and condenser tube 3 passes through the round hole joint on the inner wall of support frame 4.

And, the quantity of support frame 4 is two, and two support frames 4 distribute in condenser tube 3's upper and lower both ends, play the stable effect of support like this, and fixed mounting is in condenser tube 3 outside temperature-sensing ware 5, and temperature-sensing ware 5 can detect condenser tube 3, and when reaching the requirement of retrieving and making, retrieve through manual control.

Referring to fig. 2, the filtering device includes an air outlet pipe 6 fixedly connected to the top of the housing 1, the hot steam flows out through the air outlet pipe 6 after being cooled, a first electromagnetic valve 7 is fixedly installed outside the air outlet pipe 6, and the first electromagnetic valve 7 can control the outflow of the steam.

It can be understood that a steam pipe 11 is fixedly connected to the left side wall of the casing 1, the steam pipe 11 is fixedly connected to the gas engine, hot steam enters the inside of the casing 1 through the steam pipe 11, a second electromagnetic valve 12 is fixedly mounted on the outside of the steam pipe 11, and the entry of the hot steam is regulated by the electromagnetic valve 12.

It should be noted that, the inside from the bottom up of outlet duct 6 is fixed mounting in proper order has quartz sand filter screen 8, carries out prefilter to hot steam through quartz sand filter screen 8, and active carbon filter screen 9, active carbon filter screen 9 disinfect and absorb tiny granule to it, further filters it through polyvinyl chloride filter screen 10 at last to reach emission standard.

In this embodiment, cooling water tank 2's top fixedly connected with inlet tube 13, the clear water is stored through the inside that inlet tube 13 got into cooling water tank 2, and the outside fixed mounting of inlet tube 13 has third solenoid valve 14, and the inflow of clear water can be controlled to third solenoid valve 14, and cooling water tank 2's inside fixed mounting has the water pump, and the water pump provides power for the clear water is at 3 inside removals of cooling water pipe.

It should be noted that, the cooling water pipe 3 is kept away from the one end fixedly connected with outlet pipe 15 of cooling water tank 2, and the clear water that carries out heat recovery flows through outlet pipe 15, and the outside fixed mounting of outlet pipe 15 has fourth solenoid valve 16, and the front fixed mounting of shell 1 has the controller, controls the outflow of clear water to fourth solenoid valve 16 through the manual control controller.

And, the bottom fixedly connected with recovery tube 17 of shell 1, hot steam carries out hot back in turn with the inside clear water of condenser tube 3, meets cold formation water droplet, through the arc structure of shell 1 bottom, collects the inside of recovery tube 17, and the outside fixed mounting of recovery tube 17 has fifth solenoid valve 18, retrieves it through controlling fifth solenoid valve 18, and the one end fixedly connected with collection box of shell 1 is kept away from to recovery tube 17, and the water droplet gets into the collection box at last and stores.

The working principle of the above embodiment is as follows:

(1) through manual operation of the controller, the second electromagnetic valve 12 controls hot steam to enter the shell 1 through the steam pipe 11, the third electromagnetic valve 14 controls cooling water to enter the cooling water tank 2 through the water inlet pipe 13, the water pump is started to convey the cooling water to the cooling water pipe 3, the hot steam and the cooling water are subjected to heat exchange reaction, the cooling water in the cooling water pipe 3 is detected through the temperature sensor 5, when the recovery level is reached the fourth solenoid valve 16 is controlled to let the hot water flow out through the outlet pipe 15 for recovery, after hot steam and cooling water finish heat and converge integrated water droplet after in turn, collect the inside of recovery tube 17 with the water droplet through the arc structure of shell 1 bottom, control fifth solenoid valve 18 and make the water droplet retrieve the inside of collection box and store, solved traditional heat recovery device heat recovery rate and the problem that recovery efficiency is low.

(2) The hot steam makes its inside that gets into outlet duct 6 at completion heat first solenoid valve 7 of back control in turn, then carries out prefilter to hot steam through quartz sand filter screen 8, disinfects and absorbs tiny granule through active carbon filter screen 9 to it again, further filters it through polyvinyl chloride filter screen 10 at last to reach emission standard, possess filtering capability's advantage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a hydrophobic heat recovery unit of power plant's steam turbine, includes shell (1), its characterized in that: a heat recovery device is fixedly mounted on the side wall of the shell (1), and a filtering device is fixedly mounted at the top of the shell (1);

the heat recovery device comprises a cooling water tank (2) fixedly arranged on the left side wall of the shell (1), a cooling water pipe (3) fixedly connected to the right side of the cooling water tank (2), a support frame (4) movably arranged outside the cooling water pipe (3) and a temperature sensor (5) fixedly arranged outside the cooling water pipe (3);

the filter equipment includes outlet duct (6) of fixed connection in shell (1) top, the outside fixed mounting of outlet duct (6) has first solenoid valve (7), the inside from the bottom up of outlet duct (6) fixed mounting in proper order has quartz sand filter screen (8), active carbon filter screen (9) and polyvinyl chloride filter screen (10).

2. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the steam pipe (11) is fixedly connected to the left side wall of the shell (1), and a second electromagnetic valve (12) is fixedly mounted on the outer portion of the steam pipe (11).

3. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the top fixedly connected with inlet tube (13) of cooling water tank (2), the outside fixed mounting of inlet tube (13) has third solenoid valve (14), the inside fixed mounting of cooling water tank (2) has the water pump.

4. The power plant steam turbine drainage heat recovery device of claim 1, wherein: one end fixedly connected with outlet pipe (15) that cooling water tank (2) were kept away from in cooling water pipe (3), the outside fixed mounting of outlet pipe (15) has fourth solenoid valve (16), the appearance of cooling water pipe (3) is continuous S-shaped.

5. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the bottom fixedly connected with recovery tube (17) of shell (1), the outside fixed mounting of recovery tube (17) has fifth solenoid valve (18), the one end fixedly connected with collection box of shell (1) is kept away from in recovery tube (17).

6. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the appearance of shell (1) is oval, the bottom fixedly connected with support column of shell (1), the quantity of support column is four, four support column symmetric distribution is in the bottom of shell (1).

7. The power plant steam turbine drainage heat recovery device of claim 1, wherein: the round hole has been seted up to the inside of support frame (4), cooling water pipe (3) joint is on the inner wall of support frame (4), the quantity of support frame (4) is two, two support frame (4) distribute in the upper and lower both ends of cooling water pipe (3).

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