CN213875101U

CN213875101U - Sampling device for water quality detection of industrial boiler

Info

Publication number: CN213875101U
Application number: CN202021618306.0U
Authority: CN
Inventors: 雷晓东
Original assignee: Juye Jianneng Waterproof Material Co ltd
Current assignee: Juye Jianneng Waterproof Material Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-08-03
Anticipated expiration: 2030-08-06

Abstract

The utility model belongs to the technical field of boiler water quality sampling, specifically be an industrial boiler is sampling device for water quality testing, including boiler sampling tube, connecting pipe, shunt tubes, inlet tube, bottle plug, sampling bottle, vacuum pump, gas-supply pipe, branch pipe, play tuber pipe, first solenoid valve, second solenoid valve and cooling tube, the tip fixed connection of connecting pipe is on the boiler sampling tube, and the other end of connecting pipe is connected with the connecting pipe, be connected with three shunt tubes on the connecting pipe, it is three the tip of shunt tubes all is connected with the inlet tube, the top of sampling bottle is equipped with the bottle plug, the inlet tube all fixes the cover dress on the bottle plug with play tuber pipe. This industrial boiler is sampling device for water quality testing, through three inlet tubes of group, play tuber pipe, first solenoid valve, second solenoid valve and the sampling bottle of shunt tubes and branch pipe reposition of redundant personnel, but the intermittent type nature acquire three boiler water quality samples of group, improve the variety of boiler water quality sample, be favorable to improving the accuracy of boiler water quality testing data.

Description

Sampling device for water quality detection of industrial boiler

Technical Field

The utility model relates to a boiler water quality sample technical field especially relates to an industrial boiler is sampling device for water quality testing.

Background

The standard requirement of boiler feed water quality is as follows: hardness, dissolved oxygen, pH value, oil content, carbon dioxide content, salt content, ammonia content, copper content and iron content must be qualified, and the water quality is clear. The quality of water in the boiler is good and bad, and the boiler has close relation to the safe and economic operation of the boiler. After a long time, impurities in water are accumulated in the boiler, the water quality in the boiler is deteriorated, water scales are formed on a heating surface, the heat transfer effect is influenced, fuel is wasted, local overheating is caused, the expansion phenomenon appears in serious conditions, the pipe is blocked, accidents are caused, and even boiler explosion is caused. Various impurities (including gas and the like) in the boiler can also cause the corrosion of metal, and the service life of the boiler is shortened; excessive impurities also affect the quality of the steam, so that the steam carries water to generate steam-water co-evaporation. Therefore, the enhancement of the water quality treatment and sampling detection work in the boiler is an important link for ensuring the safe and economic operation of the boiler

However, the existing boiler water quality sampling device is inconvenient for obtaining multiple groups of water quality samples in a clearance manner, the diversity of boiler water quality sampling is low, and the accuracy of data of subsequent detection is low.

In order to solve the problems, the application provides a sampling device for water quality detection of an industrial boiler.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides an industrial boiler is sampling device for water quality testing has the characteristics of being convenient for acquire multiunit quality of water sample.

(II) technical scheme

In order to solve the technical problem, the utility model provides a sampling device for industrial boiler water quality detection, which comprises a boiler sampling tube, a connecting tube, a shunt tube, a water inlet tube, a bottle plug, a sampling bottle, a vacuum pump, a gas delivery pipe, a branch pipe, an air outlet pipe, a first electromagnetic valve, a second electromagnetic valve and a cooling pipe;

the tip fixed connection of connecting pipe is on the boiler sampling tube, and the other end of connecting pipe is connected with the connecting pipe, be connected with three shunt tubes on the connecting pipe, it is three the tip of shunt tubes all is connected with the inlet tube, the top of sampling bottle is equipped with the bottle plug, the inlet tube all with play tuber pipe fixed suit on the bottle plug, the gas transmission end fixedly connected with gas-supply pipe of vacuum pump, be connected with three branch pipe on the gas-supply pipe, it is three the tip of branch pipe all is connected with out the tuber pipe, and is three on shunt tubes and the branch pipe respectively fixed mounting have first solenoid valve and second solenoid valve, cooling tube fixed suit is on the connecting pipe.

Preferably, form the cooling chamber between cooling tube and the connecting pipe, and the both ends of cooling tube outer wall are connected with feed liquor pipe and drain pipe respectively, fixed mounting has the temperature sensor who extends to the cooling intracavity on the cooling tube outer wall.

Preferably, the inner wall of the connecting pipe is provided with a heat conducting plate located at the section where the cooling pipe is located, the outer wall of the connecting pipe is provided with a heat radiating plate located at the section where the cooling pipe is located, a connecting rib is connected between the heat radiating plate and the heat conducting plate, the heat radiating plate is located in the cooling cavity, and the inner wall of the heat conducting plate is provided with a baffle plate.

Preferably, the bottom of connecting pipe is equipped with the filter tube that is located between cooling tube and the shunt tubes, the bottom screw thread cover of filter tube is equipped with the tube cap, and the filter tube activity is equipped with the filter core, be equipped with sealed head on the inner wall of tube cap, be equipped with the baffle that extends to the filter tube inside on the inner wall of connecting pipe.

Preferably, the cooling chamber is filled with a cooling medium such as cooling water or liquid nitrogen.

Preferably, the baffle plates are arranged on the inner wall of the heat conducting plate at equal intervals in an up-down mode.

Preferably, the sealing head is in a circular truncated cone shape made of rubber, and the outer wall of the sealing head is movably contacted with the inner wall of the filtering pipe.

The above technical scheme of the utility model has following profitable technological effect:

1. this industrial boiler is sampling device for water quality testing, through three inlet tubes of group, play tuber pipe, first solenoid valve, second solenoid valve and the sampling bottle of shunt tubes and branch pipe reposition of redundant personnel, but the intermittent type nature acquire three boiler water quality samples of group, improve the variety of boiler water quality sample, be favorable to improving the accuracy of boiler water quality testing data.

2. This industrial boiler is sampling device for water quality testing has coolant's cooling tube through setting up the circulation, cools off when can taking a sample boiler water, avoids high temperature boiler quality of water sample to cause the influence to personnel and sequent check out test set.

3. This industrial boiler is sampling device for water quality testing through setting up heat-conducting plate and heating panel, can improve the cooling effect of the quality of water sample of cooling medium in to the connecting tube acquireing in the cooling tube, simultaneously, through setting up the baffling board on the heat-conducting plate inner wall, can further improve the cooling effect of the quality of water sample in the connecting tube.

4. This industrial boiler is sampling device for water quality testing through set up baffle, filter tube and filter core on the connecting pipe, can carry out impurity filtering to the quality of water sample that the connecting pipe acquireed to reduce boiler water impurity to the influence that the epilogue detected.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the sampling bottle structure of the present invention;

FIG. 3 is a sectional view of the cooling pipe and the filtering pipe of the present invention;

fig. 4 is a top view of the shunt tube and the sampling bottle of the present invention.

Reference numerals:

1. a boiler sampling tube; 2. a connecting pipe; 3. a shunt tube; 4. a water inlet pipe; 5. a bottle stopper; 6. sampling a bottle; 7. a vacuum pump; 8. a gas delivery pipe; 9. a branch pipe; 10. an air outlet pipe; 11. a first solenoid valve; 12. a second solenoid valve; 13. a cooling tube; 14. a cooling chamber; 15. a liquid inlet pipe; 16. a liquid outlet pipe; 17. a temperature sensor; 18. a baffle plate; 19. a heat dissipation plate; 20. a heat conducting plate; 21. connecting ribs; 22. a filter tube; 23. a tube cover; 24. a sealing head; 25. a baffle plate; 26. and (3) a filter element.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1 and 4, the present invention provides a technical solution: the utility model provides an industrial boiler is sampling device for water quality testing, includes boiler sampling tube 1, connecting pipe 2, shunt tubes 3, inlet tube 4, bottle plug 5, sampling bottle 6, vacuum pump 7, gas-supply pipe 8, branch pipe 9, play tuber pipe 10, first solenoid valve 11, second solenoid valve 12 and cooling tube 13.

The tip fixed connection of connecting pipe 2 is on boiler sampling tube 1, and the other end of connecting pipe 2 is connected with connecting pipe 2, be connected with three shunt tubes 3 on connecting pipe 2, it is three the tip of shunt tubes 3 all is connected with inlet tube 4, the top of sampling bottle 6 is equipped with bottle plug 5, inlet tube 4 with go out the equal fixed suit of tuber pipe 10 on bottle plug 5, the gas transmission end fixedly connected with gas-supply pipe 8 of vacuum pump 7, be connected with three branch pipe 9 on the gas-supply pipe 8, it is three the tip of branch pipe 9 all is connected with out tuber pipe 10, and is three there are first solenoid valve 11 and second solenoid valve 12 on shunt tubes 3 and the branch pipe 9 respectively fixed mounting, 13 fixed suit of cooling tube is on connecting pipe 2.

In this embodiment, through starting vacuum pump 7, utilize out the air in the tuber pipe 10 extraction sampling bottle 6 to produce the negative pressure in sampling bottle 6, and then through connecting pipe 2 in extracting boiler water to sampling bottle 6 from boiler sampling pipe 1, reach the purpose of boiler water quality sample.

It should be noted that, in this embodiment, three sets of parallel sampling bottles 6, shunt tubes 3, inlet tube 4, branch tubes 9, air outlet pipe 10, first solenoid valve 11 and second solenoid valve 12 are provided, and when sampling, opening and closing of three sets of first solenoid valves 11 and second solenoid valves 12 are controlled, and three sets of boiler water quality samples can be obtained in a clearance manner, so that the diversity of boiler water quality sampling is improved.

As shown in fig. 2 and 3, a cooling cavity 14 is formed between the cooling pipe 13 and the connecting pipe 2, and a liquid inlet pipe 15 and a liquid outlet pipe 16 are connected to both ends of the outer wall of the cooling pipe 13.

The cooling cavity 14 is filled with cooling media such as cooling water and liquid nitrogen.

Feed liquor pipe 15 passes through the pump and is connected with cooling medium holding vessel such as cooling water, liquid nitrogen, in this embodiment, through the cooling chamber 14 inner loop coolant at cooling tube 13, can cool off the boiler quality of water sample that acquires in connecting pipe 2 to avoid the influence of boiler water high temperature to its back preface detection.

It should be noted that, a temperature sensor 17 extending into the cooling cavity 14 is fixedly installed on the outer wall of the cooling pipe 13, and the temperature sensor 17 is used to monitor the temperature of the cooling medium circulating in the cooling cavity 14 in the cooling pipe 13, so as to facilitate the replacement and circulation of the cooling medium.

Be equipped with the heat-conducting plate 20 that is located the section at cooling tube 13 place on the connecting pipe 2 inner wall, and be equipped with the heating panel 19 that is located the section at cooling tube 13 place on the outer wall of connecting pipe 2, be connected with splice bar 21 between heating panel 19 and the heat-conducting plate 20, and heating panel 19 is located cooling chamber 14.

In the present embodiment, the rate of cooling the boiler water obtained in the connection pipe 2 is accelerated by the heat conducting plate 20 disposed in the connection pipe 2 and the heat radiating plate 19 disposed in the cooling chamber 14.

Further, the inner wall of the heat conducting plate 20 is provided with baffle plates 18, and the baffle plates 18 are arranged on the inner wall of the heat conducting plate 20 in an up-down and equal-interval manner.

By utilizing the baffle plate 18, the retention time of the boiler water in the section of the cooling pipe 13 in the connecting pipe 2 is prolonged, so that the cooling effect of the boiler water is improved.

The bottom of connecting pipe 2 is equipped with the filter tube 22 that is located between cooling tube 13 and shunt tubes 3, the bottom screw thread cover of filter tube 22 is equipped with tube cap 23, and filter tube 22 internalization is equipped with filter core 26, be equipped with sealed head 24 on the inner wall of tube cap 23, be equipped with on the inner wall of connecting pipe 2 and extend to the inside baffle 25 of filter tube 22.

In this embodiment, through setting up baffle 25, guide water to in the filter core 26 to utilize the filter core 26 to filter boiler water, and then reduce boiler water impurity content, be favorable to the detection of boiler water epilogue.

It should be noted that, the screw assembly between the tube cover 23 and the filter tube 22 is convenient for the disassembly, cleaning or replacement of the filter element 26, and is more convenient for use.

The sealing head 24 is in a circular truncated cone shape made of rubber, and the outer wall of the sealing head 24 is movably contacted with the inner wall of the filtering pipe 22.

The sealing head 24 made of the rubber material ensures the sealing property between the pipe cover 23 and the filter pipe 22.

The utility model discloses a theory of operation and use flow: firstly, during sampling, starting a vacuum pump 7, and extracting air in a sampling bottle 6 by using an air outlet pipe 10 so as to generate negative pressure in the sampling bottle 6 and further extract boiler water from a boiler sampling pipe 1 through a connecting pipe 2; then, the boiler water in the connecting pipe 2 passes through the section of the cooling pipe 13, the boiler water extracted from the connecting pipe 2 is cooled by using a cooling medium circulating in the cooling pipe 13, and the cooled boiler water enters the sampling bottle 6 from the shunt pipe 3 and the water inlet pipe 4 after being filtered by the filter element 26; and finally, closing the first electromagnetic valve 11 and the second electromagnetic valve 12 on the shunt pipe 3 and the branch pipe 9 after sampling is finished, and opening the first electromagnetic valve 11 and the second electromagnetic valve 12 on the other shunt pipe 3 and the other branch pipe 9 when a second group of samples need to be extracted.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A sampling device for industrial boiler water quality detection is characterized by comprising a boiler sampling tube (1), a connecting tube (2), a shunt tube (3), a water inlet tube (4), a bottle stopper (5), a sampling bottle (6), a vacuum pump (7), a gas delivery pipe (8), a branch pipe (9), a gas outlet pipe (10), a first electromagnetic valve (11), a second electromagnetic valve (12) and a cooling pipe (13);

the end part of the connecting pipe (2) is fixedly connected on the boiler sampling pipe (1), the other end of the connecting pipe (2) is connected with the connecting pipe (2), the connecting pipe (2) is connected with three shunt pipes (3), the end parts of the three shunt pipes (3) are connected with water inlet pipes (4), the top of the sampling bottle (6) is provided with a bottle stopper (5), the water inlet pipe (4) and the air outlet pipe (10) are fixedly sleeved on the bottle stopper (5), the gas transmission end fixedly connected with gas-supply pipe (8) of vacuum pump (7), be connected with three branch pipe (9) on gas-supply pipe (8), it is three the tip of branch pipe (9) all is connected with out tuber pipe (10), and is three on shunt tubes (3) and branch pipe (9) respectively fixed mounting have first solenoid valve (11) and second solenoid valve (12), cooling tube (13) fixed suit is on connecting pipe (2).

2. The sampling device for detecting the water quality of the industrial boiler according to the claim 1, characterized in that a cooling cavity (14) is formed between the cooling pipe (13) and the connecting pipe (2), the two ends of the outer wall of the cooling pipe (13) are respectively connected with a liquid inlet pipe (15) and a liquid outlet pipe (16), and a temperature sensor (17) extending into the cooling cavity (14) is fixedly installed on the outer wall of the cooling pipe (13).

3. The sampling device for detecting the water quality of the industrial boiler according to the claim 1, characterized in that the inner wall of the connecting pipe (2) is provided with a heat conducting plate (20) located at the section where the cooling pipe (13) is located, the outer wall of the connecting pipe (2) is provided with a heat dissipating plate (19) located at the section where the cooling pipe (13) is located, a connecting rib (21) is connected between the heat dissipating plate (19) and the heat conducting plate (20), the heat dissipating plate (19) is located in the cooling cavity (14), and the inner wall of the heat conducting plate (20) is provided with a baffle plate (18).

4. The sampling device for water quality detection of the industrial boiler according to claim 1, wherein a filtering pipe (22) positioned between the cooling pipe (13) and the shunt pipe (3) is arranged at the bottom of the connecting pipe (2), a pipe cover (23) is sleeved on the bottom of the filtering pipe (22) in a threaded manner, a filter element (26) is movably assembled in the filtering pipe (22), a sealing head (24) is arranged on the inner wall of the pipe cover (23), and a baffle plate (25) extending to the inside of the filtering pipe (22) is arranged on the inner wall of the connecting pipe (2).

5. The sampling device for water quality inspection of industrial boilers according to claim 3, characterized in that the baffle plates (18) are arranged on the inner wall of the heat conducting plate (20) in an up-down and equal interval manner.

6. The sampling device for detecting the water quality of the industrial boiler according to claim 4, wherein the sealing head (24) is in a circular truncated cone shape made of rubber, and the outer wall of the sealing head (24) is movably contacted with the inner wall of the filtering pipe (22).