阅读说明：本技术 一种火电厂scr脱硝反应器工作温度控制装置 (Working temperature control device of SCR denitration reactor of thermal power plant ) 是由 李瑰兰 于 2019-09-09 设计创作，主要内容包括：本发明公开了一种火电厂SCR脱硝反应器工作温度控制装置,包括反应器本体,所述反应器本体的一端连接有进气管道,所述进气管道靠近所述反应器本体的一侧与温度传感器连接,所述进气管道远离所述反应器本体的一端分别连接有省煤器一和省煤器二,所述反应器本体的两侧固定连接有支撑架,所述支撑架上放置有降温箱,所述降温箱的内部设有喷淋管,所述反应器本体的一侧设有水箱,所述水箱与所述喷淋管之间通过管道一连接,所述水箱的一侧设有冷却塔,所述冷却塔与所述降温箱的底端通过管道二连接,所述冷却塔远离所述反应器本体的一侧与所述水箱之间通过管道三连接。有益效果：能够调节反应器本体内部的温度,保证反应器本体的工作效率。(The invention discloses a working temperature control device of an SCR denitration reactor of a thermal power plant, which comprises a reactor body, one end of the reactor body is connected with an air inlet pipeline, one side of the air inlet pipeline close to the reactor body is connected with a temperature sensor, one end of the gas inlet pipeline, which is far away from the reactor body, is respectively connected with a first coal economizer and a second coal economizer, the two sides of the reactor body are fixedly connected with a support frame, a cooling box is arranged on the support frame, a spray pipe is arranged in the cooling box, a water tank is arranged on one side of the reactor body, the water tank is connected with the spray pipe through a first pipeline, a cooling tower is arranged on one side of the water tank and is connected with the bottom end of the cooling tank through a second pipeline, and one side of the cooling tower, which is far away from the reactor body, is connected with the water tank through a third pipeline. Has the advantages that: the temperature in the reactor body can be adjusted, and the working efficiency of the reactor body is ensured.)

1. the working temperature control device of the SCR denitration reactor of the thermal power plant is characterized by comprising a reactor body (1), wherein one end of the reactor body (1) is connected with an air inlet pipeline (2), one side, close to the reactor body (1), of the air inlet pipeline (2) is connected with a temperature sensor (3), one end, far away from the reactor body (1), of the air inlet pipeline (2) is respectively connected with a first economizer (4) and a second economizer (5), two ends of the first economizer (4) are respectively connected with a first check valve (6) and a second check valve (7), two ends of the second economizer (5) are respectively connected with a third check valve (8) and a fourth check valve (9), support frames (10) are fixedly connected to two sides of the reactor body (1), a cooling box (11) is placed on the support frames (10), and a spray pipe (12) is arranged inside the cooling box (11), a plurality of spray heads (13) are connected on the spray pipe (12), a water tank (14) is arranged on one side of the reactor body (1), the water tank (14) is connected with the spray pipe (12) through a first pipeline (15), a cooling tower (16) is arranged on one side of the water tank (14), the cooling tower (16) is connected with the bottom end of the cooling tank (11) through a second pipeline (17), the side of the cooling tower (16) far away from the reactor body (1) is connected with the water tank (14) through a third pipeline (18), a fixing mechanism is arranged between the supporting frame (10) and the water tank (14), the reactor is characterized in that a controller (19) is connected to the outside of the reactor body (1), and the temperature sensor (3), the one-way valve I (6), the one-way valve II (7), the one-way valve III (8) and the one-way valve IV (9) are electrically connected with the controller (19).

2. The device for controlling the working temperature of the SCR denitration reactor of the thermal power plant as claimed in claim 1, wherein a water pump (20) is fixedly connected to the top of the water tank (14), the first pipeline (15) is connected to the output end of the water pump (20), and the water pump (20) is electrically connected to the controller (19).

3. The SCR denitration reactor of thermal power plant of claim 1, characterized in that, one side that cooling tower (16) is close to reactor body (1) is connected with suction pump one (21), pipeline two (17) with the input of suction pump one (21) is connected, one side that cooling tower (16) kept away from suction pump one (21) is connected with suction pump two (22), suction pump two (22) with the output of pipeline three (18) is connected, suction pump one (21), suction pump two (22) with controller (19) electric connection.

4. the device for controlling the working temperature of the SCR denitration reactor of the thermal power plant as claimed in claim 1, wherein the spray pipe (12) is fixedly connected with the inner wall of the cooling box (11) through a support block (23).

5. The device for controlling the working temperature of the SCR denitration reactor of the thermal power plant according to claim 1, wherein the fixing mechanism comprises a screw rod (24) and a fixing block (25), one end of the screw rod (24) penetrates through the support frame (10) and extends to the outer side of the support frame (10), and one end of the screw rod (24) close to the cooling box (11) is movably connected with the fixing block (25).

6. the device for controlling the working temperature of the SCR denitration reactor of the thermal power plant as claimed in claim 5, wherein one end of the screw rod (24) far away from the fixed block (25) is fixedly connected with the rotating block (26).

Technical Field

the invention relates to the technical field of thermal power plant control, in particular to a working temperature control device of an SCR denitration reactor of a thermal power plant.

Background

electricity is an indispensable substance in our daily life and daily work, and is even directly related to national economic life, and the production of electricity is a complicated process, thermal power generation is the main force of the current power development, but thermal power generation can produce a large amount of nitrogen oxides, direct emission can cause serious pollution to the atmospheric air, the thermal power plant is usually adopted to control the emission of the nitrogen oxides by using an SCR denitration reactor, but the reaction efficiency of the SCR denitration reactor depends on the temperature inside the reactor, usually depends on the temperature of flue gas, but the temperature of the flue gas is not stable enough, and the working efficiency of the reactor can be influenced by overhigh or overlow temperature.

an effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention aims to provide a working temperature control device of an SCR denitration reactor of a thermal power plant, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a working temperature control device of an SCR denitration reactor of a thermal power plant comprises a reactor body, wherein one end of the reactor body is connected with an air inlet pipeline, one side, close to the reactor body, of the air inlet pipeline is connected with a temperature sensor, one end, far away from the reactor body, of the air inlet pipeline is connected with a first economizer and a second economizer respectively, two ends of the first economizer are connected with a first check valve and a second check valve respectively, two ends of the second economizer are connected with a third check valve and a fourth check valve respectively, two sides of the reactor body are fixedly connected with a support frame, a cooling box is placed on the support frame, a spray pipe is arranged inside the cooling box, a plurality of spray nozzles are connected onto the spray pipe, a water tank is arranged on one side of the reactor body and connected with the spray pipe through a first pipeline, and a cooling tower is arranged on one side of the water tank, the cooling tower with the bottom of cooling box is connected through pipeline two, the cooling tower keep away from one side of reactor body with connect through pipeline three between the water tank, the support frame with be equipped with fixed establishment between the water tank, the external connection of reactor body has the controller, temperature sensor, check valve one, check valve two, check valve three and check valve four all with controller electric connection.

Furthermore, the top of the water tank is fixedly connected with a water pump, the first pipeline is connected with the output end of the water pump, and the water pump is electrically connected with the controller.

Further, the cooling tower is close to one side of reactor body is connected with suction pump one, pipeline two with the input of suction pump one is connected, the cooling tower is kept away from one side of suction pump one is connected with suction pump two, suction pump two with the output of pipeline three is connected, suction pump one, suction pump two with controller electric connection.

Furthermore, the spray pipe is fixedly connected with the inner wall of the cooling box through a supporting block.

Further, fixed establishment includes screw rod and fixed block, the one end of screw rod runs through the support frame just extends to the outside of support frame, the screw rod is close to the one end and the fixed block swing joint of cooling box.

Furthermore, one end of the screw rod, which is far away from the fixed block, is fixedly connected with the rotating block.

Compared with the prior art, the invention has the following beneficial effects:

(1) This temperature control device can adjust the inside temperature of reactor body, carries out temperature-sensing by temperature sensor, and when the high temperature or cross low, temperature sensor can give the controller with signal transmission, and the controller makes the temperature that reacts and adjust the reactor body, makes its temperature reach suitable reaction temperature, guarantees the work efficiency of reactor body.

(2) The water pump can take out the water in the water tank to make the shower can the blowout water, in the suction pump one can deliver the water of cooling box to the cooling tower, in the suction pump two can deliver the water in the cooling tower to the water tank, realize hydrologic cycle.

(3) The supporting block plays a role in fixed support, and the fixing mechanism can tightly attach the cooling box to the reactor body, so that the cooling box can conveniently perform cooling operation on the reactor body, and the rotating block is convenient for operating the fixing mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

fig. 1 is a schematic structural diagram of an operating temperature control device of an SCR denitration reactor of a thermal power plant according to an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a temperature sensor in an operating temperature control device of an SCR denitration reactor of a thermal power plant according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a support frame in an operating temperature control device of an SCR denitration reactor of a thermal power plant according to an embodiment of the present invention;

Reference numerals:

1. a reactor body; 2. an air intake duct; 3. a temperature sensor; 4. a first coal economizer; 5. a second coal economizer; 6. a one-way valve I; 7. a second one-way valve; 8. a one-way valve III; 9. a one-way valve IV; 10. a support frame; 11. a cooling box; 12. a shower pipe; 13. a spray head; 14. a water tank; 15. a first pipeline; 16. a cooling tower; 17. a second pipeline; 18. a third pipeline; 19. a controller; 20. a water pump; 21. a first water pump; 22. a water pump II; 23. a support block; 24. a screw; 25. a fixed block; 26. the block is rotated.

Detailed Description

The invention is further described with reference to the following drawings and detailed description: