CN200953012Y

CN200953012Y - Sulfur determination device with air flow balancer

Info

Publication number: CN200953012Y
Application number: CN 200620052362
Authority: CN
Inventors: 朱先德
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-28
Filing date: 2006-09-28
Publication date: 2007-09-26
Anticipated expiration: 2016-09-28

Abstract

The utility model discloses a sulphur contents meter with the air balance device. This instrument comprises a furnace stack, a control organ, an electrolyzer, a drier, a flow meter and a pump. The furnace stack is fixed on the bottom plate; the electrolyzer, the drier, the flow meter and the pump are connected successively via the pipes. The furnace stack is equipped with the combustion tube inside, while the electrolyzer is connected with the tail end of the combustion tube via the pipeline. The entry end of the furnace stack is arranged with the sample feeding mouth, which is connected to the sample feeding device. The pump wind bore is connected with the flow meter via the primary air pipe. Also, the pump wind bore is connected with the air balance device which comprises one or more than one branch inlet duct and the control valve installed on the branch inlet duct. Meanwhile, the pump wind bore is connected with the branch inlet duct. This utility model guarantees the stability of the flow rate at any time, so as to realize the non-instant fluctuation and be convenient for the reading, the examination and the control. Meanwhile, the air flow rate is kept within the scope as required by the test for a long period of time, so that such flow rate will not drop with the time. In addition, the pump load is reduced, so as to extend the service life and the noise thereof. So, the full automation and the measurement accuracy of the instrument are ensured.

Description

The constant sulphur appliance of band air balance device

Technical field

The utility model is mainly concerned with the measuring equipment field of sulfur content in the combustible, refers in particular to a kind of constant sulphur appliance with the air balance device.

Background technology

Sulphur is topmost oxious component in the coal sample, mainly is present in the coal with forms such as elemental sulfur, sulfide and sulfate, and the contained sulfide of coal can generate harmful SO after burning ₂And SO ₃Gas and flying dust etc. enter in the atmosphere with flue gas, cause atmosphere and environmental pollution, and therefore the detection to sulfur content in the coal sample is a very important job of coal production, sale, use and environmental administration.In the prior art,, generally adopt constant sulphur appliance as measuring equipment commonly used in order to measure the sulfur content in the combustible accurately and rapidly.In various measuring equipments,, all adopt the sulphur method of coulomb surveying as constant sulphur appliance etc.The coal sample back of burning in reacting furnace produces sulphuric dioxide and a small amount of sulfur trioxide gas and enters by the pipeline that links to each other with the reacting furnace inner chamber and carry out titration in the electrolytic cell, gives birth to the content that electric weight that iodine and electric living bromine consumed is measured sulphur in the sample according to electricity.Pump is as power source in measuring process, adopts the mode of continuous air extraction, continuous coverage to measure, and the sulphur concentration that contains in the gas distributes very inhomogeneously in time, therefore requires air-flow more stable, adopts suspended body flowmeter to do the flow indication usually.Because pump generally produces air-flow by gas bowl electromagnetism adhesive campaign, and uses AC power, continuous working more, its turnover airshed is unbalanced, causes the air-flow instability, and promptly moment beats and passing gas bowl fatigue in time, causes flow to descend gradually.When variations in flow, sulfur content is difficult to accurate mensuration, thus the degree of accuracy that influence is measured, and the pump life-span also shortens because of laod unbalance.

The utility model content

The technical problems to be solved in the utility model just is: at the technical matters of prior art existence, the utility model provides a kind of constant sulphur appliance of band air balance device simple in structure, it not only can guarantee the airshed long-term stability in the scope of requirement of experiment, passing that hardly can be in time and descending; The load that has simultaneously also alleviated pump prolongs its serviceable life and reduces noise; And can guarantee flow value stable in any moment, no transient fluctuation is convenient to read, detects and is controlled.For the instrument full automation and improve the overall measurement precision favourable assurance is provided.

For solving the problems of the technologies described above, the solution that the utility model proposes is: a kind of constant sulphur appliance with the air balance device, it comprises the body of heater that is fixed on the base plate, control gear and the electrolytic cell that links to each other successively by pipeline, drying device, flowmeter and pump, be equiped with flame tube in the body of heater, electrolytic cell links to each other with the tail end of flame tube by pipeline, the inlet end of body of heater is provided with the sample presentation mouth, the sample presentation mouth links to each other with sample conveying device, the pump draft tube of pump links to each other with flowmeter by the main road tracheae, it is characterized in that: the pump draft tube of described pump links to each other with the air balance device, this air balance device comprises the branch road draft tube more than one or one and is installed on variable valve on the branch road draft tube that the pump draft tube of pump links to each other with the branch road draft tube.

Be provided with air flow stabilizing device between described pump and the flowmeter, this air flow stabilizing device comprises damping body, and the air intake opening of damping body links to each other with flowmeter, and the gas outlet links to each other with pump.

Offer the damping through hole on the described damping body, damping through hole one end is communicated with air intake opening, and the other end is communicated with the gas outlet.

Offer damping cavity in the described damping body, an end of damping cavity is communicated with air intake opening by the air inlet damping fin, and the other end is communicated with the gas outlet by the damping fin of giving vent to anger; Offer one or more damping hole on the air inlet damping fin and the damping fin of giving vent to anger.

Air inlet damping fin and give vent to anger and be provided with a slice or the above damping fin of a slice between the damping fin in the described damping cavity offers one or more damping hole on the damping fin.

Described damping hole is circular, square, ellipse or triangle.

Compared with prior art, advantage of the present utility model just is: the constant sulphur appliance of the utility model band air balance device is simple in structure, with low cost, link to each other with an air balance device by pump draft tube at pump, make the turnover air-flow of pump in a basic balance, rather than directly regulate the flow of pump, thereby make pump always remain on the down work of state of rated power, alleviate the load of pump, it is steady in a long-term in the scope of requirement of experiment that air-flow is realized, passing that hardly can be in time and descending has also prolonged the serviceable life of pump simultaneously and has reduced noise.And by setting up an air flow stabilizing device, overcome the pump self-defect, make steady air current, no transient fluctuation at pump and flowmeter.

Description of drawings

Fig. 1 is a plan structure synoptic diagram of the present utility model;

Fig. 2 is the structural representation of the embodiment 1 of air balance device in the utility model;

Fig. 3 is the structural representation of the embodiment 2 of air balance device in the utility model;

Fig. 4 is the structural representation of the embodiment 1 of air flow stabilizing device in the utility model;

Fig. 5 is the structural representation of the embodiment 2 of air flow stabilizing device in the utility model;

Fig. 6 is the structural representation of the embodiment 3 of air flow stabilizing device in the utility model;

Fig. 7 is the structural representation of damping fin in the utility model.

Marginal data

1, control gear 2, base plate 3, pump

4, flowmeter 5, drying device 6, air flow stabilizing device

7, electrolytic cell 8, flame tube 9, body of heater

10, sample boat platform 11, sample presentation mouth 12, sample boat

13, sample conveying device 14, air balance device 31, pump draft tube

32, main road tracheae 61, damping body 62, air intake opening

63, gas outlet 64, damping through hole 65, damping cavity

66, air inlet damping fin 67, give vent to anger damping fin 68, damping hole

69, damping fin 141, branch road draft tube 142, variable valve

Embodiment

Below with reference to the drawings and specific embodiments the utility model is described in further details.

As shown in Figure 1, the constant sulphur appliance of the utility model band air balance device, it comprises the body of heater 9 that is fixed on the base plate 2, control gear 1 and the electrolytic cell 7 that links to each other successively by pipeline, drying device 5, flowmeter 4 and pump 3, be equiped with flame tube 8 in the body of heater 9, electrolytic cell 7 links to each other by the tail end of pipeline with flame tube 8, the inlet end of body of heater 9 is provided with sample presentation mouth 11, sample presentation mouth 11 links to each other with sample conveying device 13, this sample conveying device 13 is used for the sample boat 12 that splendid attire coal sample to be measured held in the palm in sample presentation mouth 11 is sent into flame tube 8 by sample boat platform 10 and fully burns, the gas of discharging of the having burnt electrolytic cell 7 of flowing through successively, drying device 5, flowmeter 4 and pump 3, thereby obtain one group of experimental data, finish surveying work.This sample conveying device 13 can adopt the mechanism of artificial sample presentation, also can adopt the mechanism of automatic sample conveying.Control gear 1 is motion, location and the data acquisition that is used to control whole instrument; Electrolytic cell 7 is used for analyzing the sulfur content from the air-flow of body of heater 9 extractions; Drying device 5 is used for absorbing the moisture of discharging air-flow; Flowmeter 4 is used to measure and control the size of airshed; Pump 3 is used to provide air-flow power.The pump draft tube 31 of pump 3 links to each other with flowmeter 4 by main road tracheae 32, in the constant sulphur appliance of the present utility model, the pump draft tube 31 of pump 3 links to each other with air balance device 14, this air balance device 14 comprises the branch road draft tube 141 more than one or one and is installed on variable valve 142 on the branch road draft tube 141 that the pump draft tube 31 of pump 3 links to each other with branch road draft tube 141.Referring to shown in Figure 2, among the embodiment 1 of the present utility model, air balance device 14 comprises a branch road draft tube 141 and is installed on variable valve 142 on the branch road draft tube 141, and the airshed of pump draft tube 31 is 32 airshed sums in airshed and the main road tracheae in the branch road tracheae 141.The airshed that produces because of pump 3 is constant relatively, so can control the airshed of main road tracheae 32 by regulating variable valve 142.When the airshed of branch road tracheae 141 was big, the airshed of main road tracheae 32 was just little; Otherwise when the airshed of branch road tracheae 141 hour, the airshed of main road tracheae 32 is just big, makes the turnover air-flow of pump 3 in a basic balance.Can avoid directly regulating the flow of pump 3 like this, increase the resistance of motion of pump 3, thus the load that alleviates pump 3, the long-term stability that realizes air-flow in the requirement of experiment scope, passing that hardly can be in time and descending.Referring to shown in Figure 3, among the embodiment 2 of the present utility model, this air balance device 14 comprises the branch road draft tube 141 more than one or one and is installed on variable valve 142 on the branch road draft tube 141 that the pump draft tube 31 of pump 3 links to each other with branch road draft tube 141.The airshed of pump draft tube 31 is airshed sums in airshed and the main road tracheae 32 in all branch road tracheaes 141.The airshed that produces because of pump 3 is constant relatively, so can control the airshed of main road tracheae 32 by regulating every variable valve 142 on the branch road tracheae 141 respectively.When the airshed sum of all branch road tracheaes 141 was big, the airshed of main road tracheae 32 was just little; Otherwise when the airshed sum of all branch road tracheaes 141 hour, the airshed of main road tracheae 32 is just big, makes the turnover air-flow of pump 3 in a basic balance.Can avoid directly regulating the flow of pump 3 like this, increase the resistance of motion of pump 3, thus the load that alleviates pump 3, the long-term stability that realizes air-flow in the scope of requirement of experiment, passing that hardly can be in time and descending.The utility model further is provided with air flow stabilizing device 6 between pump 3 and flowmeter 4, this air flow stabilizing device 6 comprises damping body 61, and the air intake opening 62 of damping body 61 links to each other with flowmeter 4, and gas outlet 63 links to each other with pump 3.Referring to shown in Figure 4, among the embodiment 1 of the utility model air flow stabilizing device 6, offer the damping through hole 64 of small-bore on the damping body 61, damping through hole 64 1 ends are communicated with air intake opening 62, and the other end is communicated with gas outlet 63.Air-flow enters damping body 61 from wide-aperture air intake opening 62, by flowing out from wide-aperture gas outlet 63 behind the damping through hole 64 of small-bore again.Air-flow is because of the cataclysm of pore size, cause flow velocity to increase sharply, thereby eliminated the phenomenon of the air-flow transient fluctuation that pump 3 self working method causes.Referring to shown in Figure 5, among the embodiment 2 of the utility model air flow stabilizing device 6, offer damping cavity 65 in the damping body 61, an end of damping cavity 65 is communicated with air intake opening 62 by air inlet damping fin 66, and the other end is communicated with gas outlet 63 by the damping fin 67 of giving vent to anger; Offer one or more damping hole 68 on the air inlet damping fin 66 and the damping fin 67 of giving vent to anger.Air-flow enters damping body 61 from wide-aperture air intake opening 62, successively through damping hole 68 on damping hole 68, damping cavity 65 on the air inlet damping fin 66 and the damping fin 67 of giving vent to anger, flows out from wide-aperture gas outlet 63 at last.Air-flow is because of the cataclysm of pore size, cause flow velocity to increase sharply, thereby eliminated the phenomenon of the air-flow transient fluctuation that pump self working method causes.Referring to shown in Figure 6, among the embodiment 3 of the utility model air flow stabilizing device 6, further the air inlet damping fin 66 in damping cavity 65 and give vent to anger and be provided with a slice or the damping fin more than a slice 69 between the damping fin 67 offers one or more damping hole 68 on the damping fin 69.Air-flow enters damping body 61 from wide-aperture air intake opening 62, through damping hole 68, damping cavity 65 on the damping fin 69 more than damping hole 68, damping cavity 65, a slice or a slice on the air inlet damping fin 66 and the damping hole 68 on the damping fin 67 of giving vent to anger, flow out from wide-aperture gas outlet 63 at last successively.Air-flow is because of the cataclysm of pore size, cause flow velocity to increase sharply, thereby eliminated the phenomenon of the air-flow transient fluctuation that pump self working method causes.In all embodiment of air flow stabilizing device 6, referring to shown in Figure 7, damping hole 68 can be designed to circle, square, oval, triangle as required or other are irregularly shaped, to satisfy the stable needs of actual airflow.

Be one of some embodiment of the utility model only below, but be not limited to the textural association mode of the foregoing description.

Claims

1, a kind of constant sulphur appliance with the air balance device, it comprises the body of heater (9) that is fixed on the base plate (2), control gear (1) and the electrolytic cell (7) that links to each other successively by pipeline, drying device (5), flowmeter (4) and pump (3), be equiped with flame tube (8) in the body of heater (9), electrolytic cell (7) links to each other by the tail end of pipeline with flame tube (8), the inlet end of body of heater (9) is provided with sample presentation mouth (11), sample presentation mouth (11) links to each other with sample conveying device (13), the pump draft tube (31) of pump (3) links to each other with flowmeter (4) by main road tracheae (32), it is characterized in that: the pump draft tube (31) of described pump (3) links to each other with air balance device (14), this air balance device (14) comprises the branch road draft tube (141) more than one or one and is installed on variable valve (142) on the branch road draft tube (141) that the pump draft tube (31) of pump (3) links to each other with branch road draft tube (141).

2, the constant sulphur appliance of band air balance device according to claim 1, it is characterized in that: be provided with air flow stabilizing device (6) between described pump (3) and the flowmeter (4), this air flow stabilizing device (6) comprises damping body (61), the air intake opening (62) of damping body (61) links to each other with flowmeter (4), and gas outlet (63) link to each other with pump (3).

3, the constant sulphur appliance of band air balance stable equilibrium device according to claim 2, it is characterized in that: offer damping through hole (64) on the described damping body (61), damping through hole (64) one ends are communicated with air intake opening (62), and the other end is communicated with gas outlet (63).

4, the constant sulphur appliance of band air balance device according to claim 2, it is characterized in that: offer damping cavity (65) in the described damping body (61), one end of damping cavity (65) is communicated with air intake opening (62) by air inlet damping fin (66), and the other end is communicated with gas outlet (63) by the damping fin of giving vent to anger (67); Offer one or more damping hole (68) on air inlet damping fin (66) and the damping fin of giving vent to anger (67).

5, the constant sulphur appliance of band air balance device according to claim 4, it is characterized in that: be provided with the above damping fin (69) of a slice or a slice between interior air inlet damping fin of described damping cavity (65) (66) and the damping fin of giving vent to anger (67), offer one or more damping hole (68) on the damping fin (69).

6, according to the constant sulphur appliance of claim 2 or 3 or 4 or 5 described band air balance devices, it is characterized in that: described damping hole (68) is circular, square, ellipse or triangle.