Novel SDS (sodium dodecyl sulfate) dry desulfurization spraying device
The design of the new SDS dry desulfurization injection device solves the problem of uneven desulfurizer injection, achieves uniform desulfurizer injection and flow control, improves desulfurization efficiency and extends pipeline life.
Patent Information
- Application Number
- CN202422261881.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The desulfurizer injection in the existing dry desulfurization injection device is uneven, resulting in low desulfurization efficiency, increased operating costs, and easy damage to pipelines.
A new SDS dry desulfurization injection device was designed, which includes an injection pipe, a flue, a three-way joint and a filter. Uniform injection and flow control of the desulfurizer are achieved through structures such as a flow regulating valve and a triangular baffle.
It achieves uniform injection of desulfurizer, improves desulfurization efficiency, reduces operating costs, and extends pipeline service life.
Smart Images
Figure CN223417468U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to desulfurization device technical field especially relates to a novel SDS dry desulfurization injection device. BACKGROUND
[0002] Dry desulfurization is usually equipped with a set of injection device, and the dry desulfurization injection device is an important component in the dry desulfurization system, which is used to spray the solid absorbent into the flue gas to react with sulfur dioxide. The injection device is usually composed of a nozzle, a conveying system, a control system and the like, and its main function is to realize uniform injection of the absorbent into the flue gas and ensure that the absorbent can fully contact with the flue gas, so as to effectively absorb and convert sulfur dioxide. In actual operation, the phenomenon of uneven injection of desulfurizer often occurs. In order to improve the desulfurization efficiency, the operating personnel have to increase the injection amount of the desulfurizer, which not only increases the operation cost, but also accelerates the service life of the pipeline. SUMMARY
[0003] The utility model discloses a novel SDS dry desulfurization injection device which solves the problems in the prior art.
[0004] To achieve the above object, the utility model adopts the following technical scheme: a novel SDS dry desulfurization injection device, which comprises a spray pipeline, a flue, a tee joint, the tee joint is a inclined tee, the tee joint is divided into a main joint, two auxiliary joints and a filter screen; a semicircular notch is arranged in the middle of the main joint, a threaded hole is arranged below the outer surface of the main joint, a semicircular sliding cover is arranged above the outer surface of the main joint, a hole is arranged in the lower part of the semicircular sliding cover, and the hole corresponds to the threaded hole; a groove is arranged on the inner wall of the main joint at the semicircular notch, a semicircular partition plate is arranged on the outer periphery of the filter screen, and the semicircular partition plate corresponds to the groove; a flow regulating valve is arranged in the middle of the auxiliary joint, and a thread A is arranged on the inner wall of the auxiliary joint interface; a thread B is arranged on the outer surface of one end of the spray pipeline, and the spray pipeline and the auxiliary joint are fixed together through the thread A and the thread B; the spray pipeline is connected together with the flue.
[0005] Preferably, the two auxiliary joints are symmetrically distributed at the two sides of the flue.
[0006] Preferably, the two auxiliary joints have the same inner diameter and the same length.
[0007] Preferably, the inner surface of the semicircular sliding cover is provided with two triangular baffles, and the triangular baffles are perpendicular to the inner surface of the sliding cover.
[0008] Preferably, one acute angle side B of the triangular baffle is connected with the inner surface of the semicircular sliding cover, and the other acute angle side A of the triangular baffle is close to the semicircular notch.
[0009] Preferably, a spring is connected between the end of the triangular baffle and the interior of the semicircular sliding cover, and the triangular baffle can be retracted into the interior of the semicircular sliding cover when squeezed.
[0010] Preferably, the outer surface side wall of the flow regulating valve is provided with scale lines.
[0011] Preferably, the width of the groove is the same as the thickness of the semicircular baffle.
[0012] Preferably, when the threaded hole overlaps with the hole, the triangular baffle contacts the filter screen.
[0013] Preferably, guide rails are provided on both sides of the middle portion of the main joint, and slide rails are provided on the inner wall of the bottom edge of the semicircular sliding cover, and the slide rails pass through the inner wall of the bottom edge of the semicircular sliding cover. The slide rails correspond to the guide rails, and through the cooperation of the slide rails and the guide rails, the semicircular sliding cover can be fixed on both sides of the main joint, and the semicircular sliding cover can move back and forth on the main joint along the direction of desulfurization agent transportation.
[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention can screen and filter the desulfurizer to ensure the uniformity of the particle size and density of the desulfurizer, and at the same time can regulate the flow rate of the desulfurizer to achieve uniform injection and improve the desulfurization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic structural diagram of a novel SDS dry desulfurization injection device of the present utility model;
[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of a new type of SDS dry desulfurization injection device of the utility model;
[0017] Figure 3 This is a cross-sectional view of the main joint of a new type of SDS dry desulfurization injection device of the utility model;
[0018] Figure 4 This is a schematic diagram of the filter structure of a new SDS dry desulfurization injection device of the utility model;
[0019] Figure 5 This is a schematic diagram of the semicircular sliding cover structure of a new type of SDS dry desulfurization injection device of the utility model;
[0020] Figure 6 This is a schematic diagram of the injection pipeline structure of a new SDS dry desulfurization injection device of the utility model;
[0021] Figure 7This is a schematic diagram of the triangular baffle structure of a new SDS dry desulfurization injection device of the utility model;
[0022] Explanation of the reference numbers: 1- tee joint; 101- flow regulating valve; 102- scale line; 103- threaded hole; 104- semicircular notch; 105- semicircular sliding cover; 106- hole; 107- thread A; 108- groove; 109- auxiliary joint; 110- main joint; 111- triangular baffle; 1111- spring; 1112- right-angle side A; 1113- right-angle side B; 112- guide rail; 113- slide rail; 2- injection pipe; 3- flue; 4- filter; 401- semicircular baffle. DETAILED DESCRIPTION
[0023] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the present invention is described in detail below with reference to the embodiments.
[0024] See also Figure 1 ,like Figure 1 As shown, a novel SDS dry desulfurization injection device according to an embodiment of the present invention includes an injection pipe 2, a flue 3, and a three-way joint 1.
[0025] like Figure 2 、 3 As shown, the three-way joint 1 is an oblique three-way joint, and the three-way joint 1 is divided into a main joint 110, two auxiliary joints 109, and a filter 4;
[0026] A semicircular notch 104 is provided in the middle of the main joint 110. A threaded hole 103 is provided below the outer surface of the main joint 110. A semicircular sliding cover 105 is provided above the semicircular notch 104. A hole 106 is provided at the lower part of the semicircular sliding cover 105. The hole 106 corresponds to the threaded hole 103. A groove 108 is provided on the inner wall of the main joint 110 at the semicircular notch 104.
[0027] like Figure 3 、 4 As shown, a semicircular baffle 401 is provided on the periphery of the filter screen 4, and the semicircular baffle 401 corresponds to the groove 108;
[0028] like Figure 1 As shown, a flow regulating valve 101 is provided in the middle of the auxiliary joint 109, and a thread A107 is provided on the inner wall of the interface of the auxiliary joint 109;
[0029] like Figure 1 、 2As shown in , 6, the outer surface of one end of the injection pipe 2 is provided with a thread B201, and the injection pipe 2 and the auxiliary joint 109 are fixed together through the thread A107 and the thread B201; the injection pipe 2 is connected to the flue 3 together.
[0030] Preferably, the two pairs of joints 109 are centrally symmetrically distributed on both sides of the flue 3 .
[0031] Preferably, the two pairs of joints 109 have the same inner diameter and the same length.
[0032] Preferably, if Figure 5 As shown, two triangular baffles 111 are provided on the inner surface of the semicircular sliding cover 105, and the triangular baffles 111 are perpendicular to the inner surface of the semicircular sliding cover 105. With this design, the triangular baffles 111 can effectively support the filter screen.
[0033] Preferably, if Figure 2 、 6 As shown, a right-angled side B1113 of the triangular baffle 111 is connected to the inner surface of the semicircular sliding cover 105 , and another right-angled side A1112 of the triangular baffle 111 is close to the semicircular notch 104 .
[0034] Preferably, a spring is connected between the end of the triangular baffle 111 and the interior of the semicircular sliding cover 105, and the triangular baffle 111 can be retracted into the interior of the semicircular sliding cover 105 when squeezed. In this design, the triangular baffle 111 can be stored in the semicircular sliding cover 105, reducing the volume of the three-way joint.
[0035] Preferably, if Figure 2 As shown, the outer side wall of the flow regulating valve 101 is provided with scale lines 102. Such a design can help the operator effectively control the flow and flow rate of the desulfurizer, making the desulfurizer spray more uniform and improving the desulfurization efficiency.
[0036] Preferably, if Figure 2 、 3 As shown in FIG4 , the width of the groove 108 is the same as the thickness of the semicircular baffle 401. Such a design can effectively fix the filter screen 4 on the inner wall of the main joint 110.
[0037] Preferably, if Figure 2 、 4 5, when the threaded hole 103 overlaps with the hole 106, the triangular baffle 111 contacts the filter 4. This design allows the triangular baffle 111 to fix the filter 4 on the inner wall of the main joint 110 while fixing the semicircular sliding cover 105.
[0038] Preferably, if Figure 3 、 5 As shown, guide rails 112 are provided on both sides of the middle portion of the main joint 110, and slide rails 113 are provided on the inner wall of the bottom edge of the semicircular sliding cover 105. The slide rails 113 pass through the inner wall of the bottom edge of the semicircular sliding cover 105. The slide rails 113 correspond to the guide rails 112. Through the cooperation of the slide rails 113 and the guide rails 112, the semicircular sliding cover 105 can be fixed on both sides of the main joint 110, and the semicircular sliding cover 105 can move back and forth on the main joint 110 along the direction of transport of the desulfurizer.
[0039] During use, the injection pipe 2 and the auxiliary joint 109 are screwed together and fixed together by thread B and thread A, and the desulfurizer pipe is fixedly connected to the main joint 110. Next, the filter screen 4 is inserted into the position of the semicircular notch 104, and fixed to the inner wall of the main joint 110 by the groove 108 and the semicircular baffle 401. Then, the semicircular sliding cover 105 is pushed to align the hole 106 with the threaded hole 103, and the semicircular sliding cover 105 is fixed to the main joint 110 by screws. At this time, the triangular baffle 111 supports the filter screen 4. Finally, the desulfurizer is transported to the injection pipe 2, and the flow regulating valve 101 is adjusted to regulate the flow of the desulfurizer so that the sprayed desulfurizer is uniform and stable, thereby improving the desulfurization efficiency.
[0040] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.
Claims
1. A novel SDS dry desulfurization injection device, comprising an injection pipe (2), a flue (3), and a three-way joint (1), characterized in that: The three-way joint (1) is an oblique three-way joint, and the three-way joint (1) is divided into a main joint (110), two auxiliary joints (109), and a filter (4); a semicircular notch (104) is provided in the middle of the main joint (110), a threaded hole (103) is provided below the outer surface of the main joint (110) on the semicircular notch (104), a semicircular sliding cover (105) is provided above the outer surface of the main joint (110), a hole (106) is provided at the lower part of the semicircular sliding cover (105), and the hole (106) corresponds to the threaded hole (103); the main joint (110) A groove (108) is provided on the inner wall of the semicircular notch (104); a semicircular baffle (401) is provided on the outer periphery of the filter screen (4), and the semicircular baffle (401) corresponds to the groove (108); a flow regulating valve (101) is provided in the middle of the auxiliary joint (109), and a thread A (107) is provided on the inner wall of the interface of the auxiliary joint (109); a thread B (201) is provided on the outer surface of one end of the injection pipe (2), and the injection pipe (2) and the auxiliary joint (109) are fixed together through the thread A (107) and the thread B (201); the injection pipe (2) is connected to the flue (3).
2. A novel SDS dry desulfurization injection device according to claim 1, characterized in that: The two pairs of joints (109) are centrally and symmetrically distributed on both sides of the flue (3).
3. The novel SDS dry desulfurization injection device according to claim 1, characterized in that: The two pairs of joints (109) have the same inner diameter and length.
4. The novel SDS dry desulfurization injection device according to claim 1 is characterized in that: Two triangular baffles (111) are provided on the inner surface of the semicircular sliding cover (105), and the triangular baffles (111) are perpendicular to the inner surface of the semicircular sliding cover (105).
5. The novel SDS dry desulfurization injection device according to claim 4 is characterized in that: A right-angled side B (1113) of the triangular baffle (111) is connected to the inner surface of the semicircular sliding cover (105), and another right-angled side A (1112) of the triangular baffle (111) is close to the semicircular notch (104).
6. A novel SDS dry desulfurization injection device according to claim 4, characterized in that: A spring is connected between the end of the triangular baffle (111) and the interior of the semicircular sliding cover (105), and the triangular baffle (111) can be retracted into the interior of the semicircular sliding cover (105) when squeezed.
7. The novel SDS dry desulfurization injection device according to claim 1, characterized in that: The outer surface side wall of the flow regulating valve (101) is provided with scale lines (102).
8. The novel SDS dry desulfurization injection device according to claim 1, characterized in that: The width of the groove (108) is the same as the thickness of the semicircular baffle (401).
9. The novel SDS dry desulfurization injection device according to claim 4, characterized in that: When the threaded hole (103) and the hole (106) overlap, the triangular baffle (111) contacts the filter screen (4).
10. The novel SDS dry desulfurization injection device according to claim 1, characterized in that: Guide rails (112) are provided on both sides of the middle of the main joint (110), and slide rails (113) are provided on the inner wall of the bottom edge of the semicircular sliding cover (105). The slide rails (113) pass through the inner wall of the bottom edge of the semicircular sliding cover (105), and the slide rails (113) correspond to the guide rails (112). Through the cooperation of the slide rails (113) and the guide rails (112), the semicircular sliding cover (105) can be fixed on both sides of the main joint (110), and the semicircular sliding cover (105) can move back and forth on the main joint (110) along the desulfurizer transportation direction.