CN218211880U

CN218211880U - Device for detecting heat exchanger pipeline blockage

Info

Publication number: CN218211880U
Application number: CN202221368353.3U
Authority: CN
Inventors: 王常青; 王雷; 康建强; 蒋晗
Original assignee: Nanjing Sanfang Chemical Equipment Supervision Co ltd
Current assignee: Nanjing Sanfang Chemical Equipment Supervision Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2023-01-03
Anticipated expiration: 2032-06-02

Abstract

A device for detecting the pipe blockage of a heat exchanger belongs to the technical field of heat exchangers. The air pressure detection device comprises an air pressure tank, an air pipeline and a detection interface, wherein the detection interface comprises a detection pipe and a connecting pipe, the detection pipe is arranged on the side wall of the connecting pipe and communicated with the connecting pipe, one end of the connecting pipe is provided with a pressure gauge, the other end of the connecting pipe is connected with the air pipeline, and the other end of the air pipeline is connected with an air outlet of the air pressure tank. Set up the marker pen on the pipe wall of test tube, the utility model discloses a setting has the detection interface of manometer, blocks up the detection to the heat exchange tube, and detection method is simple, and the testing result surveyability. The marking pen is additionally arranged, so that the targeted cleaning after marking is facilitated. In a word, the utility model discloses simple structure is applicable to the industrialization and produces.

Description

Device for detecting heat exchanger pipeline blockage

Technical Field

The utility model relates to a detection device, whether special be the device that detects the heat exchanger pipeline and have the jam belongs to heat exchanger technical field.

Background

The heat exchanger is the common equipment in the chemical industry field, and its inside sets up the tube sheet, through letting in the fluid of different temperatures inside and outside the tube sheet, reaches the temperature of technological requirement through the heat exchange, and in process of production, impurity such as silt, algae that can persist inadvertantly in the heat exchanger pipeline consequently need regularly wash the pipeline, and present cleaning method is: firstly, discharging water in a heat exchanger, cleaning impurities in a pipeline by adopting high-pressure water, pumping in the pipeline by using a cleaning agent from the bottom of the heat exchanger, flowing out of the heat exchanger from the top, repeatedly and circularly cleaning, and finally repeatedly washing the heat exchanger by using clean water until the heat exchanger is completely washed to be neutral. The cleaning process is complicated and time-consuming, and whether the pipeline is blocked or not, the blockage degree of the pipeline is the same cleaning process, so that a large amount of material resources can be wasted when the pipeline which is not blocked is cleaned.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's defect, provide a device for detecting heat exchanger pipeline is obstructed, through setting up the pneumatics jar and detecting the interface, let in the heat exchanger pipeline with compressed air, with the pressure variation of manometer demonstration, detect the jam condition in the pipeline to accessible pressure size comes the reaction to block up the severity.

Technical problem is solved through following technical scheme:

the device for detecting the blockage of the heat exchanger pipeline comprises an air pressure tank, an air pipeline and a detection interface, wherein the detection interface comprises a detection pipe and a connecting pipe, the detection pipe is arranged on the side wall of the connecting pipe and is communicated with the connecting pipe, a pressure gauge is arranged at one end of the connecting pipe, the other end of the connecting pipe is connected with the air pipeline, and the other end of the air pipeline is connected with an air outlet of the air pressure tank.

According to the device for detecting the blockage of the heat exchanger pipeline, the rubber ring and the detection nozzle are sequentially arranged at the air outlet of the detection tube, the rubber ring is a conical cylinder, a circle with a smaller radius of the conical cylinder is arranged on one side of the detection nozzle, and a circle with a larger radius of the conical cylinder is arranged on one side of the detection tube.

According to the device for detecting the pipe blockage of the heat exchanger, the connecting pipe is provided with the pressure reducing valve, one end of the pressure reducing valve is provided with the connecting port, and the connecting port is connected with the connecting pipe.

The device for detecting the pipe blockage of the heat exchanger is additionally provided with the marking pen, and the marking pen is arranged on the pipe wall of the detection pipe.

According to the device for detecting the heat exchanger pipeline blockage, the marking pen is sleeved in the fixed cylinder, the bracket is arranged at the bottom of the marking pen, and the bracket is connected with the bottom of the fixed cylinder through the spring.

According to the device for detecting the heat exchanger pipeline blockage, the L-shaped through hole is formed in the outer wall of the fixed cylinder, the convex handle is arranged on the outer wall of the bracket, and the convex handle extends out of the fixed cylinder through the through hole.

The utility model has the advantages of it is following:

the utility model discloses a setting has the detection interface of manometer, blocks up the detection to the heat exchange tube, and the detection interface is a tee bend, and three-way one end sets up the manometer, and compressed air is connected to one end, and the heat exchange tube entry is connected to one end. The heat exchange pipe is clean if the indication of a pressure gauge on the detection interface is not changed, the heat exchange pipe is blocked if the indication of the pressure gauge is changed, and the severity of the blockage can be estimated through the absolute value of the indication change of the pressure gauge. The detection method is simple, and the detection result is clear at a glance. The three-way detection tube is arranged, so that the volume is small and the taking is convenient.

The utility model discloses set up the marker pen on the three-way heat transfer mouth incoming end lateral wall of detection interface. In a natural state, the convex handle is positioned at the horizontal end of the through hole, the marking pen is in a withdrawing state, and the marking pen cannot be contacted with the inlet of the heat exchange tube. When the marking is needed, the convex handle is moved to the vertical end of the through hole, the marking pen extends out of the fixed cylinder at the moment, the marking pen extends out of the fixed cylinder under the action of the spring and is in contact with the inlet of the heat exchange tube, and the blocked pipeline can be marked by rotating the marking pen. The subsequent targeted cleaning work is convenient. Energy waste caused by the same cleaning is avoided.

Drawings

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

FIG. 2 is a schematic view of the structure of the detection interface of the present invention;

fig. 3 is a schematic view of the structure of the marking pen of the present invention.

In the drawings, the respective reference numerals denote: 1. the device comprises an air pressure tank, 2, an air pipeline, 3, a detection interface, 4, a detection pipe, 5, a connecting pipe, 6, a connecting port, 7, a pressure gauge, 8, a rubber ring, 9, a detection nozzle, 10, a fixed barrel, 11, a marking pen, 12, a pressure reducing valve, 13, a spring, 14, a bracket, 15 and a convex handle.

Detailed Description

Referring to the drawing 1, the utility model discloses an air compression jar 1, air line 2 and detection interface 3, detection interface 3 includes detecting tube 4 and connecting pipe 5, detecting tube 4 sets up on the lateral wall of connecting pipe 5 and communicates with connecting pipe 5, the one end of connecting pipe 5 sets up manometer 7, and air line 2 is connected to the other end, air tank 1's gas outlet is connected to air line 2's the other end.

When detecting the pipeline of heat exchanger, the entrance of heat exchange tube is stretched into to sense tube 4, lets in compressed air in the heat exchanger pipeline, if the pipeline of heat exchanger has the jam condition, then the manometer reading changes. And (4) performing key cleaning on the detected blocked pipeline.

The gas outlet department of detecting tube 4 is equipped with rubber circle 8 and detection mouth 9 in proper order, rubber circle 8 is the circular cone post, the less circle of circular cone post radius is in detection mouth 9 one side, and the great circle of circular cone post radius is in detection tube 4 one side. After the detection nozzle 9 extends into the pipeline, the rubber ring 8 can be clamped at the inlet of the pipeline to seal the pipeline. The rubber ring 8 is used for sealing the detection nozzle 9 and a heat exchanger pipeline, so that pressure floating caused by air leakage is prevented, and detection is prevented from being influenced.

The connecting pipe 5 is provided with a pressure reducing valve 12, one end of the pressure reducing valve 12 is provided with a connecting port 6, and the connecting port 6 is connected with the connecting pipe 5. The pressure relief valve 12 is used to control the initial pressure into the line.

A marking pen 11 is additionally arranged, and the marking pen 11 is arranged on the pipe wall of the detection pipe 4. When the blockage is detected, the marking pen 11 marks the heat exchange tube, so that the subsequent cleaning work is facilitated.

The marking pen 11 is sleeved in the fixed cylinder 10, a bracket 14 is arranged at the bottom of the marking pen 11, and the bracket 14 is connected with the bottom of the fixed cylinder 10 through a spring 13.

The outer wall of the fixed cylinder 10 is provided with an L-shaped through hole, the outer wall of the bracket 14 is provided with a convex handle 15, and the convex handle 15 extends out of the fixed cylinder through the through hole. The vertical limit of through-hole is parallel with the center pin of solid fixed cylinder, and the horizontal limit is perpendicular with the center pin of solid fixed cylinder 10, and protruding handle 15 is when the horizontal end in the through-hole, and marking pen 11 contracts in solid fixed cylinder 10, and protruding handle 15 is when the vertical end in the through-hole, and marking pen 11 goes out solid fixed cylinder 10 under spring 13's pressure effect to spring 13's pressure can sticis marking pen 11 in the entrance of heat exchange tube, and rotatory detection interface 3 marks the heat exchange tube of jam.

The marking pen 11 in the fixed cylinder 10 can be extended or retracted, and naturally, the marking pen 11 is in a retracted state, so that the marking pen 11 cannot be contacted with the inlet of the heat exchange pipe when the blockage condition of the heat exchange pipe is detected. When the marking is needed, the marking pen 11 extends out of the fixed cylinder 10, and because the spring 13 is always in a compressed state, under the action of the restoring force of the spring 13, the marking pen 11 extends out of the fixed cylinder and is in contact with the inlet of the heat exchange tube, and the marking can be carried out by rotating the marking pen 1.

When the protruding handle 15 is located at the horizontal end of the through hole, the spring is compressed and does not rotate and twist, so that the protruding handle 15 cannot slide out of the horizontal end due to the torsional restoring force of the spring.

The fixed cylinder 10 is fixedly connected with the detection tube 4 in parallel.

Claims

1. The utility model provides a device for detecting heat exchanger pipeline is obstructed, characterized in that, includes pneumatics jar (1), air pipeline (2) and detection interface (3), detection interface (3) are including detecting tube (4) and connecting pipe (5), detecting tube (4) set up on the lateral wall of connecting pipe (5) and with connecting pipe (5) intercommunication, the one end of connecting pipe (5) sets up manometer (7), and air pipeline (2) are connected to the other end, the gas outlet of pneumatics jar (1) is connected to the other end of air pipeline (2).

2. The device for detecting the pipe blockage of the heat exchanger according to claim 1, wherein a rubber ring (8) and a detection nozzle (9) are sequentially arranged at the air outlet of the detection pipe (4), the rubber ring (8) is a conical cylinder, a circle with a smaller radius of the conical cylinder is arranged on one side of the detection nozzle (9), and a circle with a larger radius of the conical cylinder is arranged on one side of the detection pipe (4).

3. The device for detecting the pipe blockage of a heat exchanger according to claim 2, wherein a pressure reducing valve (12) is arranged on the connecting pipe (5), a connecting port (6) is arranged at one end of the pressure reducing valve (12), and the connecting port (6) is connected with the connecting pipe (5).

4. A device for detecting heat exchanger pipe blockage according to claim 3, characterized in that a marking pen (11) is added, and the marking pen (11) is arranged on the pipe wall of the detection pipe (4).

5. The device for detecting the pipe blockage of the heat exchanger is characterized in that the marking pen (11) is sleeved in the fixed cylinder (10), a bracket (14) is arranged at the bottom of the marking pen (11), and the bracket (14) is connected with the bottom of the fixed cylinder (10) through a spring (13).

6. The device for detecting the pipe blockage of the heat exchanger is characterized in that an L-shaped through hole is formed in the outer wall of the fixed cylinder (10), a convex handle (15) is arranged on the outer wall of the bracket (14), and the convex handle (15) extends out of the fixed cylinder from the through hole.