Gas introduction device in thiadiazole production

Abstract

The utility model provides a gas introduction device in thiadiazole production, which belongs to the technical field of waste gas treatment in chemical production and comprises a reaction kettle, a sealing flange, a connecting pipe, a corrosion-resistant fluororubber hose, a water storage pipe, a water storage tank, a sealing joint, an exhaust pipe, a monitoring pipe, a sealing plug, a connecting hose, a monitoring block and a buffer gas holder, the monitoring pipe is installed on the side face of the sealing connector, the monitoring pipe made of transparent acrylic materials facilitates observation, gas passing through the sealing connector is led into the monitoring block in the monitoring pipe from the sealing connector through the sealing plug and the connecting hose, and water is injected into the monitoring pipe. A plurality of groups of circular through holes are formed in the surface of the spherical monitoring block, gas can be discharged from the circular through holes of the monitoring block, whether gas remains in the pipeline or not can be judged by monitoring whether bubbles are generated in water in the monitoring pipe, and therefore whether the gas is completely discharged or not can be visually known, and production is safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical production waste gas treatment, especially relates to a gas import device in thiazole production. BACKGROUND

[0002] Thiazole is an important organic synthesis intermediate, is widely used in medicine, dye, pesticide etc.

[0003] In the production process of thiazole, a plurality of gases such as hydrogen sulfide (H2S), ammonia (NH3) nitrite gas (NO2) ethylene and chlorine gas can be produced, these gases have strong irritating smell, are harmful to crops and human health, and the treatment of these gases is crucial to production safety and environmental protection;

[0004] In the production process of thiazole, gas cannot be directly understood when guiding, traditional glass pipe or metal pipeline cannot directly observe the gas flow state, and the operator can only judge the discharge completion condition through experience, when the reaction kettle is completely reacted, part of gas is left in the pipeline after completing the exhaust stage, and even part of gas backflows, when gas remains, warning cannot be reminded, and gas leakage can only be perceived after smell diffuses, so that the environmental safety during production is poor.

[0005] Therefore, the gas import device in thiazole production is provided to meet the needs. UTILITY MODEL CONTENT

[0006] The utility model discloses a gas import device in thiazole production to solve the problems in the prior art.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] The utility model relates to a kind of gas introduction device in thiazole production, including: reaction kettle, sealing flange, connecting pipe, corrosion-resistant fluorine rubber hose, water storage pipe, water storage tank, sealing joint, exhaust pipe, monitoring pipe, sealing plug, connecting hose, monitoring block and buffer gas tank, sealing flange is installed at the upper end of side of the reaction kettle, one end of the sealing flange is installed with connecting pipe, corrosion-resistant fluorine rubber hose is installed at the inside one end of the sealing flange in reaction kettle, the other end of the connecting pipe is installed with water storage pipe, the top of the water storage pipe is installed with water storage tank, the bottom of the water storage pipe is installed with sealing joint, the other end of the sealing joint is installed with exhaust pipe, the side of the sealing joint is installed with monitoring pipe, the opening of the monitoring pipe is installed with sealing plug, the inside of the monitoring pipe is installed with connecting hose, the other end of the connecting hose is installed with monitoring block, the side of the reaction kettle is equipped with buffer gas tank.

[0009] Preferably, the corrosion-resistant fluorine rubber hose is vertically downward at the inside upper end of the reaction kettle.

[0010] Preferably, the exhaust pipe is equipped with a safety valve, and the other end of the exhaust pipe extends laterally to the side of the buffer gas tank, penetrates the buffer gas tank and extends to the inside of the buffer gas tank to communicate with the pipeline of the buffer gas tank.

[0011] Preferably, the connecting pipe is in the shape of "L", and one end of the connecting pipe is vertically downward connected with the water storage pipe.

[0012] Preferably, the water storage pipe is in the shape of "U", and the horizontal plane of the connecting end of the water storage pipe is lower than that of the connecting pipe, and the height of the other end of the water storage pipe is greater than that of the connecting end.

[0013] Preferably, the monitoring pipe is made of transparent acrylic material, and the monitoring block communicates with the sealing joint through the connecting hose and the sealing plug.

[0014] Preferably, the inside of the monitoring pipe is injected with water, and the monitoring block is in the shape of a sphere, and the surface of the monitoring block is provided with a plurality of groups of circular through holes.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] In the above scheme, the monitoring pipe made of transparent acrylic material is convenient to observe, the gas passing through the sealing plug and the connecting hose from the sealing joint enters the monitoring block in the monitoring pipe, the inside of the monitoring pipe is injected with water, the surface of the spherical monitoring block is provided with a plurality of groups of circular through holes, the gas can be discharged from the circular through holes of the monitoring block, whether there is gas remaining in the pipeline can be judged by whether bubbles appear in the water in the monitoring pipe, so that whether the gas is completely discharged can be directly understood, and the production is safer.

[0017] In the above scheme, by arranging the water storage pipe between the exhaust pipes, when the reaction kettle is fully reacted and the exhaust stage is completed, water is injected into the water storage pipe through the water storage tank, the "U"-shaped water storage pipe forms a water seal structure, and the overflow volatile gas is blocked through the water storage pipe, avoiding gas backflow, so that the volatile gas can be absorbed by water, thereby avoiding the gas remaining in the pipeline after the reaction directly volatilizing outward, making the reaction safer. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable a person skilled in the relevant art to implement and use the present disclosure.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the specific connection structure of the connecting pipe and the exhaust pipe of the utility model;

[0021] Figure 3 It is a schematic diagram of the specific structure of the sealing joint of the utility model;

[0022] Figure 4 It is a schematic diagram of the specific structure of the sealing joint of the utility model; Figure 3 It is a schematic diagram of the specific structure of the sealing joint of the utility model;

[0023] [Reference signs]

[0024] 1-reaction kettle; 2-sealing flange; 3-connecting pipe; 4-corrosion-resistant fluorine rubber hose; 5-water storage pipe; 6-water storage tank; 7-sealing joint; 8-exhaust pipe; 9-monitoring pipe; 10-sealing plug; 11-connecting hose; 12-monitoring block; 13-buffer gas tank.

[0025] As shown in the figure, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the figure, but this is only for the need of illustration, and is not intended to limit the utility model in this specific structure, device and environment, according to the specific needs, the person skilled in the art can adjust or modify these devices and environment, the adjustment or modification still includes in the scope of the appended claims. DETAILED DESCRIPTION

[0026] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 A kind of gas introduction device in thiadiazole production, the embodiment of the present application provides, including: reaction kettle 1, sealing flange 2, connecting pipe 3, corrosion-resistant fluorine rubber hose 4, water storage pipe 5, water storage tank 6, sealing joint 7, exhaust pipe 8, monitoring pipe 9, sealing plug 10, connecting hose 11, monitoring block 12 and buffer gas tank 13, sealing flange 2 is installed at the side upper end of reaction kettle 1, one end of sealing flange 2 is installed with connecting pipe 3, corrosion-resistant fluorine rubber hose 4 is installed at the inside one end of reaction kettle 1 where sealing flange 2 is located, the other end of connecting pipe 3 is installed with water storage pipe 5, water storage tank 6 is installed at the top of water storage pipe 5, sealing joint 7 is installed at the bottom of water storage pipe 5, the other end of sealing joint 7 is installed with exhaust pipe 8, sealing joint 7 is installed with monitoring pipe 9 on the side, sealing plug 10 is installed at the opening of monitoring pipe 9, connecting hose 11 is installed in monitoring pipe 9, the other end of connecting hose 11 is installed with monitoring block 12, and buffer gas tank 13 is arranged on the side of reaction kettle 1.

[0029] In the present embodiment, corrosion-resistant fluorine rubber hose 4 is suspended downward at the inside upper end of reaction kettle 1, and the gas generated during the production of thiadiazole in the inside of reaction kettle 1 is discharged upward from corrosion-resistant fluorine rubber hose 4 out of reaction kettle 1.

[0030] In the embodiment, the exhaust pipe 8 is provided with a safety valve, and the other end of the exhaust pipe 8 extends laterally to the side of the buffer gas tank 13, penetrates the buffer gas tank 13 and extends to the inside of the buffer gas tank 13 to be connected with the pipeline of the buffer gas tank 13, and the gas generated in the reaction kettle 1 during the production of thiazole is finally discharged into the buffer gas tank 13 through the exhaust pipe 8, so that the buffer gas tank 13 can balance the gas pressure in the pipeline and the equipment and keep the stability of the system.

[0031] In the embodiment, the connecting pipe 3 is in the shape of "L", and one end of the connecting pipe 3 is connected with the water trap pipe 5 vertically downward, so that the gas generated in the reaction kettle 1 can rise from the lower end into the connecting pipe 3, and the stability of the pressure in the reaction kettle 1 during the reaction is ensured.

[0032] In the embodiment, the water trap pipe 5 is in the shape of "U", and the horizontal plane of the connecting end of the water trap pipe 5 is lower than that of the connecting pipe 3, and the height of the other end of the water trap pipe 5 is greater than that of the connecting end, water is injected into the water trap pipe 5 through the water storage tank 6 after the reaction of the reaction kettle 1 is completed and the exhaust stage is finished, the water trap pipe 5 in the shape of "U" forms a water seal structure, the overflow gas is blocked through the water trap pipe 5, the gas backflow is avoided, the gas can be absorbed by water, so that the gas remaining in the pipeline after the reaction is directly volatilized outward is avoided, and the reaction is safer.

[0033] In the embodiment, the monitoring pipe 9 is made of transparent acrylic material, and the monitoring block 12 is connected in communication between the connecting hose 11 and the sealing plug 10 and the sealing joint 7, the monitoring pipe 9 made of transparent acrylic material is convenient for observation, and the gas passing through the sealing joint 7 is introduced into the monitoring block 12 in the monitoring pipe 9 through the sealing plug 10 and the connecting hose 11.

[0034] In the embodiment, water is injected into the inside of the monitoring pipe 9, and the monitoring block 12 is in the shape of a sphere, a plurality of groups of circular through holes are arranged on the surface of the monitoring block 12, the gas can be discharged from the circular through holes of the monitoring block 12, whether there is gas remaining in the pipeline can be judged by whether bubbles are generated in the water in the inside of the monitoring pipe 9, so that whether the gas is completely discharged can be directly understood, and the production is safer.

[0035] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit etc. are not explained in detail.

[0036] The above merely is preferred implementation manner of the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the principle of the present application, can also make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the present application.

Claims

1. A gas introduction device in the production of thiadiazoles, characterized by Include: The autoclave (1), sealing flange (2), connecting pipe (3), corrosion-resistant fluorine rubber hose (4), water pipe (5), water storage tank (6), sealing joint (7), exhaust pipe (8), monitoring pipe (9), sealing plug (10), connecting hose (11), monitoring block (12) and buffer gas tank (13), the autoclave (1) is installed on the side of the upper end of the sealing flange (2), one end of the sealing flange (2) is installed with connecting pipe (3), the sealing flange (2) is located in the inside of the autoclave (1) one end is installed with corrosion-resistant fluorine rubber hose (4), the other end of the connecting pipe (3) is installed with water pipe (5), the top of the water pipe (5) is installed with water storage tank (6), the bottom of the water pipe (5) is installed with sealing joint (7), the other end of the sealing joint (7) is installed with exhaust pipe (8), the side of the sealing joint (7) is installed with monitoring pipe (9), the opening of the monitoring pipe (9) is installed with sealing plug (10), the inside of the monitoring pipe (9) is installed with connecting hose (11), the other end of the connecting hose (11) is installed with monitoring block (12), the side of the autoclave (1) is provided with buffer gas tank (13) matching.

2. The gas introduction device in thiadiazole production according to claim 1, characterized by: The corrosion-resistant fluorine rubber hose (4) is downwardly suspended at the inside upper end of the autoclave (1).

3. The gas introduction device in thiadiazole production according to claim 1, characterized by: The exhaust pipe (8) is provided with a safety valve, the other end of the exhaust pipe (8) extends transversely to the side of the buffer gas tank (13), penetrates the buffer gas tank (13) and extends to the inside of the buffer gas tank (13) to communicate with the pipeline of the buffer gas tank (13).

4. The gas introduction apparatus in thiadiazole production according to claim 1, characterized by: The connecting pipe (3) is "L" shaped, and one end of the connecting pipe (3) is vertically downwardly connected with the water pipe (5).

5. The gas introduction apparatus in thiadiazole production according to claim 1, characterized by: The water pipe (5) is "U" shaped, and the horizontal plane of the water pipe (5) at the connecting end with the connecting pipe (3) is lower than that of the connecting pipe (3), and the height of the other end of the water pipe (5) is greater than that of the connecting end with the connecting pipe (3).

6. The gas introduction apparatus in thiadiazole production according to claim 1, characterized by: The monitoring pipe (9) is made of transparent acrylic material, and the monitoring block (12) is connected between the connecting hose (11) and the sealing joint (7) through the sealing plug (10).

7. The gas introduction apparatus in thiadiazole production according to claim 1, characterized by: The inside of the monitoring pipe (9) is filled with water, the monitoring block (12) is spherical, and the surface of the monitoring block (12) is provided with a plurality of groups of circular through holes.

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