Integrated plug-in spray gun with cooling sleeve

Abstract

The utility model discloses an integrated plug-in spray gun with a cooling sleeve, which comprises a spray gun and a short pipe mounted on the outer wall of equipment to be sprayed, one end of the short pipe is communicated with the inside of the equipment to be sprayed, the other end of the short pipe is connected with a gate valve, and a cooling cavity is mounted on the outer wall of a spray gun main body. The spray gun main body with the cooling cavity extends into equipment to be sprayed through the gate valve via the short pipe, one end of the cooling cavity is provided with a cooling water inlet and a cooling water outlet, the cooling water extending pipe is communicated with the cooling water inlet, and the cooling water extending pipe extends into the equipment to be sprayed of the spray gun main body. The utility model relates to the technical field of environment-friendly treatment of high-temperature flue gas, a spray gun main body is arranged in a cooling cavity, so that spray liquid in the spray gun is in a long-term low-temperature state, and a spray gun channel is prevented from being blocked by high-temperature precipitation. In this way, the cooling effect on the spray gun is better, the protection length is longer, and therefore long-term stable operation of the spray gun is guaranteed, and the blockage frequency of the spray gun is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of high-temperature flue gas environmental protection treatment technology, specifically to an integrated insert spray gun with a built-in cooling sleeve. Background Technology

[0002] In the environmental protection field, the environmental treatment of high-temperature flue gas is a complex and crucial technical aspect. This process typically involves using spray guns to spray a mixture of acidic or alkaline liquids onto the equipment, internal components, or pipelines to neutralize the flue gas. However, under high-temperature conditions, the mixture in the spray gun is prone to precipitating solid substances due to the heat. Over time, these precipitates gradually clog the spray gun, causing it to malfunction. Clogged spray guns not only increase maintenance costs but also reduce flue gas treatment efficiency and may even lead to excessive emissions at downstream outlets due to substandard treatment results.

[0003] Currently, the conventional method for dealing with spray gun clogging is to use tools such as high-pressure water guns to clean the inside of the spray gun. However, this method is not very effective; the clogging problem often recurs within a short period, and the frequency of clogging gradually increases. Ultimately, the spray gun may need to be replaced because it cannot be thoroughly cleaned, which not only increases equipment costs but may also cause production interruptions, affecting the overall efficiency of environmental protection treatment.

[0004] In existing technologies, spray guns are typically equipped with cooling sleeves to reduce their operating temperature. However, these cooling sleeves are separate from the spray gun, only cooling the inlet section of the nozzle, while the section extending into the pipe remains uncooled. This design results in the spray gun's front end maintaining good cooling, but the rear end being constantly exposed to high temperatures, inevitably leading to blockages. With prolonged operation, the blockage at the rear end of the spray gun gradually worsens, further affecting its normal operation. Utility Model Content

[0005] To address the aforementioned problems in the existing technology, this utility model provides an integrated insert spray gun with a built-in cooling sleeve.

[0006] The technical solution adopted by this utility model is as follows: An integrated insert spray gun with a built-in cooling sleeve includes a spray gun body and a short pipe installed on the outer wall of the equipment to be sprayed. One end of the short pipe is connected to the inside of the equipment to be sprayed, and the other end of the short pipe is connected to a gate valve. A cooling chamber is installed on the outer wall of the spray gun body. The spray gun body with the cooling chamber extends into the equipment to be sprayed through the gate valve and the short pipe. A cooling water inlet and a cooling water outlet are opened at the end of the cooling chamber away from the short pipe. A cooling water inlet pipe is provided in the cooling chamber and is connected to the cooling water inlet. The cooling water inlet pipe extends all the way into the equipment to be sprayed from the spray gun body.

[0007] Furthermore, the end of the cooling cavity away from the short pipe is connected to a mounting flange, which is detachably connected to the gate valve.

[0008] Furthermore, the other end of the short pipe is connected to a connecting flange, which is detachably connected to the gate valve.

[0009] Furthermore, a spray gun valve is installed at the end of the spray gun body near the cooling water inlet.

[0010] Furthermore, the cooling water inlet is located above the cooling water outlet.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0012] This integrated insert spray gun with its own cooling sleeve places the spray gun body inside a cooling chamber. Cooling water sprays from one end of the spray gun body and flows out from the cooling water outlet at the other end, completing a cooling cycle. This ensures that the spray fluid inside the spray gun remains at a consistently low temperature, preventing high-temperature precipitation and blockage of the spray gun channels. This method provides better cooling and longer protection for the spray gun, thus ensuring long-term stable operation, guaranteeing effective environmental treatment, reducing the frequency of spray gun clogging, significantly extending the spray gun's lifespan, and lowering inspection and maintenance costs. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a structural schematic diagram provided for an embodiment of the present utility model.

[0015] Attached drawings: 1. Spray gun body; 2. Equipment to be sprayed; 3. Short pipe; 4. Gate valve; 5. Cooling chamber; 501. Cooling water inlet; 502. Cooling water inlet pipe; 503. Cooling water outlet; 6. Mounting flange; 7. Spray gun valve; 8. Connecting flange. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0018] In the description of this utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0019] The following is combined with Figure 1 This utility model will be described in detail.

[0020] Example

[0021] like Figure 1 As shown, an integrated insert spray gun with a built-in cooling sleeve includes a spray gun body 1 and a short pipe 3 installed on the outer wall of the equipment to be sprayed 2 (i.e., internal pipe or equipment). One end of the short pipe 3 is connected to the inside of the equipment to be sprayed 2, so that the nozzle of the spray gun body 1 can pass through the short pipe 3 and enter the inside of the equipment to be sprayed 2, so that the inside of the equipment to be sprayed can be sprayed through the spray gun body 1. The other end of the short pipe 3 is connected to a gate valve 4. Before the spray gun body 1 is installed, the gate valve 4 is always in the closed state to prevent gas leakage.

[0022] A cooling chamber 5 is installed on the outer wall of the spray gun body 1. The spray gun body 1 with the cooling chamber 5 extends into the spraying equipment 2 through the gate valve 4 and the short pipe 3. The cooling chamber 5 can not only cool the inlet end of the spray gun body 1, but also effectively cool the spray gun body 1 that extends into the spraying equipment 2.

[0023] The cooling chamber 5 has a cooling water inlet 501 and a cooling water outlet 503 at the end away from the short pipe 3. A cooling water inlet pipe 502 is provided inside the cooling chamber 5. The cooling water inlet pipe 502 is connected to the cooling water inlet 501 and extends all the way to the spraying device 2 of the spray gun body 1 to ensure that the cooling water can be delivered to the end of the spray gun body 1.

[0024] Cooling water is delivered from the cooling water inlet 501 to the cooling water extension pipe 502, and then flows out from the cooling water extension pipe 502. Under the action of gravity, it falls into the cooling chamber 5 and then flows out from the cooling water outlet 503 at the other end. During this process, the cooling water carries away the heat of the spray gun body 1, thus completing the cyclic cooling of the spray gun body 1.

[0025] A mounting flange 6 is connected to the end of the cooling chamber 5 away from the short pipe 3. The mounting flange 6 is detachably connected to the gate valve 4. The mounting flange 6 can be fixed to the cooling chamber 5 by welding, and the mounting flange 6 and the gate valve 4 are detachably connected by bolts, which facilitates installation and maintenance.

[0026] The other end of the short pipe 3 is connected to a connecting flange 8, which is detachably connected to the gate valve 4. The connecting flange 8 can be fixed to the short pipe 3 by welding, and the connecting flange 8 and the gate valve 4 are detachably connected by bolts, which facilitates installation and maintenance.

[0027] When installing the spray gun body 1, open the gate valve 4, insert the spray gun body 1 with the cooling chamber 5 into the spraying equipment 2, and then connect the mounting flange 6 welded to the cooling chamber 5 to the gate valve 4 to complete the sealing installation.

[0028] A spray gun valve 7 is installed at one end of the spray gun body 1 near the cooling water inlet 501. The spray gun valve 7 is used to control the spray flow rate of the spray gun, spraying acidic or alkaline mixed liquids into the high-temperature flue gas to ensure the stability and accuracy of the spraying process.

[0029] The cooling water inlet 501 is located above the cooling water outlet 503, allowing the cooling water to enter from the top and exit from the bottom, ensuring that the cooling water flows fully within the cooling chamber 5 and improving cooling efficiency.

[0030] During operation, cooling water enters the cooling water inlet pipe 502 from the cooling water inlet 501. Since the cooling water inlet pipe 502 extends all the way to the spraying equipment inside the spray gun body 1, the cooling water can be delivered to the end of the spray gun body 1.

[0031] Then, the cooling water enters the cooling chamber 5 from the outlet of the cooling water inlet pipe 502 and finally exits from the cooling water outlet 503, completing the cooling cycle. The circulating flow carries away the heat of the spray gun body 1 installed in the cooling chamber 5, effectively reducing the temperature of the spray gun body 1, reducing the precipitation and blockage of the mixture in the high-temperature environment, and extending the service life of the spray gun.

[0032] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An integrated plug-in lance with a self-cooling jacket, comprising a lance body (1), characterized in that: The short pipe (3) is installed on the outer wall of the device (2) to be sprayed, one end of the short pipe (3) is connected with the inside of the device (2) to be sprayed, the other end of the short pipe (3) is connected with the gate valve (4), the outer wall of the spray gun body (1) is installed with the cooling cavity (5), the spray gun body (1) with the cooling cavity (5) is inserted into the device (2) to be sprayed through the gate valve (4) via the short pipe (3), the end of the cooling cavity (5) away from the short pipe (3) is provided with the cooling water inlet (501) and the cooling water outlet (503), the cooling water inlet pipe (502) is arranged in the cooling cavity (5), the cooling water inlet pipe (502) is communicated with the cooling water inlet (501), and the cooling water inlet pipe (502) extends into the device (2) to be sprayed of the spray gun body (1).

2. The self-cooled, one-piece, insert-type lance according to claim 1, characterized in that: The end of the cooling cavity (5) away from the short pipe (3) is connected with the mounting flange (6), and the mounting flange (6) is detachably connected with the gate valve (4).

3. The self-cooled, one-piece, insert-type lance of claim 1, wherein: The other end of the short pipe (3) is connected with the connecting flange (8), and the connecting flange (8) is detachably connected with the gate valve (4).

4. The self-cooled, one-piece, insert-type lance of claim 1, wherein: The end of the spray gun body (1) close to the cooling water inlet (501) is installed with the spray gun valve (7).

5. The self-cooled, one-piece, insert-type lance of claim 1, wherein: The cooling water inlet (501) is located above the cooling water outlet (503).

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