CN214251184U

CN214251184U - Liquid level measuring device for low-pressure heater of thermal generator set

Info

Publication number: CN214251184U
Application number: CN202120139177.5U
Authority: CN
Inventors: 陆波
Original assignee: Wuxi Juntelai Equipment Manufacturing Co ltd
Current assignee: Wuxi Juntelai Equipment Manufacturing Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-09-21
Anticipated expiration: 2031-01-19

Abstract

The utility model relates to the technical field of liquid level measurement, and discloses a liquid level measurement device for a low-pressure heater of a thermal generator set, which comprises a tank body, wherein a measurement box is fixedly arranged at the top of the tank body, the inside of the measurement box is slidably connected with a measurement rod, one end of the measurement rod extends to the inside of the tank body and is bolted with a floating ball, the other end of the measurement rod is bolted with a fixed block, limiting structures are welded on the left side and the right side of the fixed block, and a receiver is arranged at the top of the fixed block; the utility model discloses a jar body, measurement box, measuring stick, floater, fixed block, receiver, sensor, connecting box, standing groove, connecting rod, first spring, connecting plate and arm-tie set up for the device has possessed the accuracy that can improve the detection, and the convenient advantage of changing the maintenance to it, has solved the unsatisfactory and inconvenient problem of changing the maintenance to its inside component of current measuring device detection effect.

Description

Liquid level measuring device for low-pressure heater of thermal generator set

Technical Field

The utility model relates to a liquid level measurement technical field specifically is a thermal generator set low pressure feed water heater liquid level measurement device.

Background

The low-pressure heater has the functions of utilizing the steam which does partial work in the steam turbine to be pumped into the heater to heat the feed water, improving the temperature of the water, reducing the amount of the steam discharged into the condenser by the steam turbine, reducing the energy loss and improving the circulation efficiency of a thermodynamic system. The structure is that the vertical tube plate heater is adopted more. The heating surface of the heater is generally composed of a straight tube bundle or a U-shaped tube bundle which is composed of brass tubes or seamless steel tubes.

In order to ensure the normal operation of the low-pressure heater of the thermal power generator, a measuring device for detecting the liquid level of the low-pressure heater needs to be arranged, but the detection effect of the existing measuring device is not ideal, and in long-time use, in order to avoid the measurement error, the internal elements of the measuring device need to be replaced and maintained irregularly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal generator set low pressure feed water heater liquid level measurement device has possessed and has improved the accuracy that detects, and the convenience changes the advantage of maintenance to it, has solved the unsatisfactory and inconvenient problem of changing the maintenance to its inside component of current measuring device detection effect.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid level measuring device of a low-pressure heater of a thermal generator set comprises a tank body, wherein a measuring box is fixedly installed at the top of the tank body, a measuring rod is connected inside the measuring box in a sliding mode, one end of the measuring rod extends into the tank body and is connected with a floating ball in a bolted mode, the other end of the measuring rod is connected with a fixed block in a bolted mode, limiting structures are welded on the left side and the right side of the fixed block respectively, a receiver is arranged at the top of the fixed block, a sensor is arranged at the top of an inner cavity of the measuring box, through holes are formed in the top of the left side and the right side of the measuring box respectively, a connecting box is arranged at the top of the measuring box, placing grooves are formed in the left side and the right side of the surface of the connecting box respectively, a connecting rod is arranged inside the placing grooves, a first spring is sleeved on the surface of the connecting rod, and a connecting plate is welded on the left side of the first spring and the surface of the connecting rod, one end of the connecting rod extends to the outer side of the connecting box and is bolted with a pulling plate, and the other end of the connecting rod extends to the inside of the through hole and is matched with the through hole for use.

Preferably, limit structure includes the spacing groove, the inside in spacing groove is provided with the gag lever post, the surperficial sliding connection of gag lever post has the stopper, and two stoppers opposite side and fixed block welding.

Preferably, the surface cover of gag lever post is equipped with the second spring, the second spring is located the top of stopper.

Preferably, the left side and the right side of the measuring box are both in threaded connection with bolts, screw holes are formed in the two sides of the top of the tank body, and the bolts are matched with the screw holes for use.

Preferably, an alarm is fixedly mounted on the right side of the measuring box and is located below the connecting box.

Preferably, the top of the connecting box is fixedly provided with a pull ring, and the surface of the pull ring is bonded with an anti-slip sleeve.

Preferably, the inside of measuring box is provided with sealed the pad, sealed the pad is located the below of fixed block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a jar body, measurement box, measuring stick, floater, fixed block, receiver, sensor, connecting box, standing groove, connecting rod, first spring, connecting plate and arm-tie set up for the device has possessed the accuracy that can improve the detection, and the convenient advantage of changing the maintenance to it, has solved the unsatisfactory and inconvenient problem of changing the maintenance to its inside component of current measuring device detection effect.

Drawings

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

FIG. 2 is a schematic sectional view of the partial structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the present invention at B in FIG. 2;

fig. 5 is a perspective view of the present invention.

In the figure: 1. a tank body; 2. a measurement box; 3. a pull ring; 4. a sensor; 5. a measuring rod; 6. a fixed block; 7. a receiver; 8. a floating ball; 9. a gasket; 10. a limiting structure; 101. a limiting groove; 102. a limiting rod; 103. a limiting block; 11. a second spring; 12. an alarm; 13. a connection box; 14. pulling a plate; 15. a connecting rod; 16. a placement groove; 17. a first spring; 18. a connecting plate; 19. a through hole; 20. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a liquid level measuring device for a low-pressure heater of a thermal generator set comprises a tank body 1, a measuring box 2 is fixedly installed on the top of the tank body 1, a measuring rod 5 is slidably connected inside the measuring box 2, one end of the measuring rod 5 extends into the tank body 1 and is bolted with a floating ball 8, the other end of the measuring rod 5 is bolted with a fixed block 6, limiting structures 10 are welded on the left and right sides of the fixed block 6, a receiver 7 is arranged on the top of the fixed block 6, a sensor 4 is arranged on the top of an inner cavity of the measuring box 2, through holes 19 are formed on the top of the left and right sides of the measuring box 2, a connecting box 13 is arranged on the top of the measuring box 2, placing grooves 16 are formed on the left and right sides of the surface of the connecting box 13, a connecting rod 15 is arranged inside the placing grooves 16, a first spring 17 is sleeved on the surface of the connecting rod 15, a connecting plate 18 is welded on the left side of the first spring 17 and on the surface of the connecting rod 15, one end of connecting rod 15 extends to the outside of connecting box 13 and bolted connection has arm-tie 14, the other end of connecting rod 15 extends to the inside of through-hole 19 and uses with the cooperation of through-hole 19, through jar body 1, measure box 2, measuring stick 5, the floater 8, fixed block 6, receiver 7, sensor 4, connecting box 13, standing groove 16, connecting rod 15, first spring 17, the setting of connecting plate 18 and arm-tie 14, make the device possess the accuracy that can improve the detection, and the convenience is changed the advantage of maintenance to it, the unsatisfactory and inconvenient problem of changing the maintenance to its inside component of current measuring device detection effect has been solved.

Referring to fig. 2 and 4, the limiting structure 10 includes a limiting groove 101, a limiting rod 102 is disposed inside the limiting groove 101, a limiting block 103 is slidably connected to the surface of the limiting rod 102, and one opposite sides of the two limiting blocks 103 are welded to the fixing block 6, and the limiting groove 101, the limiting rod 102 and the limiting block 103 are arranged to assist in limiting the fixing block 6, so as to facilitate the up-and-down movement of the fixing block 6.

Referring to fig. 2 and 4, the surface of the limiting rod 102 is sleeved with a second spring 11, the second spring 11 is located above the limiting block 103, and the limiting block 103 and the limiting groove 101 can be buffered and protected by the second spring 11 to prevent the limiting block 103 and the limiting groove from contacting with each other.

Referring to fig. 1, 2 and 5, the left and right sides of the measuring box 2 are respectively connected with a bolt 20 through threads, the two sides of the top of the tank body 1 are provided with screw holes, the bolts 20 are matched with the screw holes, and the measuring box 2 is convenient to mount and dismount through the arrangement of the bolts 20 and the screw holes.

Referring to fig. 1, 2 and 5, an alarm 12 is fixedly mounted on the right side of the measuring box 2, the alarm 12 is located below the connecting box 13, and the alarm 12 can remind an operator to avoid too high or too low liquid level.

Referring to fig. 1 and 2, a pull ring 3 is fixedly mounted on the top of the connection box 13, an anti-slip sleeve is bonded on the surface of the pull ring 3, and an operator can conveniently take the connection box 13 through the arrangement of the pull ring 3.

Referring to fig. 2, a sealing gasket 9 is disposed inside the measuring box 2, the sealing gasket 9 is disposed below the fixing block 6, and the sealing gasket 9 is disposed to intercept a water level and prevent a water source from entering the measuring box 2.

The working principle is as follows: in the process of measuring the liquid level of the low-pressure heater, when the water source in the tank body 1 is too high, the floating ball 8 drives the measuring rod 5 to move upwards and simultaneously drives the fixed block 6 at the top of the measuring rod to move upwards, so that the receiver 7 at the top of the fixed block 6 conducts the liquid level to the sensor 4, which, if the liquid level is over-full, the operator can be alerted by an alarm 12, and the readings of the subsequent measurements are displayed on the surface of the measuring box 2, after the measuring box 2 is used for a period of time, in order to avoid measuring errors, the components in the measuring box need to be repaired and replaced irregularly, and then the pulling plates 14 can be pulled towards two sides, the pulling plate 14 then moves the connecting rod 15 to the opposite side, and presses the first spring 17 through the connecting plate 18, so that the opposite end of the connecting rod 15 is separated from the through hole 19, and finally, the operator pulls the pull ring 3 and repairs and replaces the internal components.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thermal generator set low pressure feed water heater liquid level measurement device, includes jar body (1), its characterized in that: the measuring tank is characterized in that a measuring box (2) is fixedly installed at the top of the tank body (1), a measuring rod (5) is connected to the inside of the measuring box (2) in a sliding mode, one end of the measuring rod (5) extends to the inside of the tank body (1) and is bolted with a floating ball (8), a fixed block (6) is bolted at the other end of the measuring rod (5), limiting structures (10) are welded on the left side and the right side of the fixed block (6), a receiver (7) is arranged at the top of the fixed block (6), a sensor (4) is arranged at the top of an inner cavity of the measuring box (2), through holes (19) are formed in the tops of the left side and the right side of the measuring box (2), a connecting box (13) is arranged at the top of the measuring box (2), standing grooves (16) are formed in the left side and the right side of the surface of the connecting box (13), and a connecting rod (15) is arranged in the standing groove (16), the surperficial cover of connecting rod (15) is equipped with first spring (17), the left side of first spring (17) and the skin weld who is located connecting rod (15) have connecting plate (18), the one end of connecting rod (15) extends to the outside of connecting box (13) and bolted connection has arm-tie (14), the other end of connecting rod (15) extends to the inside of through-hole (19) and uses with through-hole (19) cooperation.

2. The liquid level measuring device of the low-pressure heater of the thermal generator set according to claim 1, characterized in that: limiting structure (10) include spacing groove (101), the inside of spacing groove (101) is provided with gag lever post (102), the surperficial sliding connection of gag lever post (102) has stopper (103), and two stoppers (103) one side in opposite directions and fixed block (6) welding.

3. The liquid level measuring device of the low-pressure heater of the thermal generator set according to claim 2, characterized in that: the surface of the limiting rod (102) is sleeved with a second spring (11), and the second spring (11) is located above the limiting block (103).

4. The liquid level measuring device of the low-pressure heater of the thermal generator set according to claim 1, characterized in that: the left side and the right side of the measuring box (2) are both in threaded connection with bolts (20), screw holes are formed in the two sides of the top of the tank body (1), and the bolts (20) are matched with the screw holes for use.

5. The liquid level measuring device of the low-pressure heater of the thermal generator set according to claim 1, characterized in that: an alarm (12) is fixedly mounted on the right side of the measuring box (2), and the alarm (12) is located below the connecting box (13).

6. The liquid level measuring device of the low-pressure heater of the thermal generator set according to claim 1, characterized in that: the top of the connecting box (13) is fixedly provided with a pull ring (3), and the surface of the pull ring (3) is bonded with an anti-skid sleeve.

7. The liquid level measuring device of the low-pressure heater of the thermal generator set according to claim 1, characterized in that: the inside of measuring box (2) is provided with sealed pad (9), sealed pad (9) are located the below of fixed block (6).