Preheating steam recovery device of dilute nitric acid production equipment

By introducing water into dilute nitric acid production equipment to absorb dust and using multi-layer filtration and self-cleaning mechanisms, the problem of particulate matter in steam blocking the filter net is solved, achieving better filtration effect and equipment maintenance convenience.

CN222151312UActive Publication Date: 2024-12-13JINCHANG JINYADE CHEM CO LTD
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Patent Information

Application Number
CN202420865057.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2024-12-13
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

In dilute nitric acid production equipment, the presence of large particles in the steam causes the filter to be blocked and cannot be used.

Method used

A dilute nitric acid production equipment preheated steam recovery device is designed, which absorbs dust by introducing water into the steam, and uses a multi-layer filter plate and a pump to process the steam, supplemented by a pump and a water sprayer for self-cleaning of the filter plate. , ensure the filtering effect and convenient maintenance of equipment.

Benefits of technology

Effectively reduce particulate matter, improve filtration effect, and make the equipment more convenient and efficient during use and maintenance through self-cleaning mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steam recovery, and discloses a dilute nitric acid production equipment preheating steam recovery device which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is located on the outer side of the main body mechanism, the main body mechanism comprises a device main body, an air inlet pipe and a water inlet pipe, and a control panel is fixedly installed at the left end of the device main body. The control button is movably installed at the left end of the control panel, the air inlet pipe is fixedly installed at the left end of the device body, and the water inlet pipe is fixedly installed at the left end of the air inlet pipe. According to the preheating steam recovery device of the dilute nitric acid production equipment, water enters the water storage bin through the water inlet pipe, the air inlet pipe is connected with the steam pipe, large dust in steam can be absorbed by the water in the water storage bin, particulate matter is reduced, then filtering is conducted through the three filtering plates, and the filtering effect of the device is better; according to the device, steam after internal treatment can be pumped out by starting the sucking pump, and the device is more convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of steam recovery, in particular to a preheating steam recovery device for dilute nitric acid production equipment. Background Art

[0002] When the dilute nitric acid production equipment is started, a large amount of steam is needed to preheat the equipment. After the preheating is completed, the steam is generally discharged directly into the air. Since the steam contains a large amount of water, it causes a waste of resources. In order to achieve recycling, steam recovery devices came into being. Since the steam will be mixed with a large amount of impurities during the preheating process, a filter will be installed in the steam recovery device to filter the cooled water for reuse.

[0003] Prior art CN216825310U proposes a preheating steam recovery device for dilute nitric acid production equipment, which drives the threaded rod to rotate by turning the handle. During the rotation, the threaded rod drives the slider to move downward on the slider. During the downward movement, the slider drives the swing rod to rotate downward around the connection between it and the shell through the connecting block. During the rotation of the swing rod, the two vertical plates are driven to move away from each other on the mounting block through the connecting rod, and then the limit blocks are driven to move away from each other until the limit blocks are moved out of the limit groove, thereby releasing the position restriction on the filter. At this time, the filter can be taken out of the mounting groove, thereby achieving the purpose of facilitating disassembly and cleaning of the filter.

[0004] When the prior art is used, the steam is usually processed by filtering. However, the steam generated during production contains large particles, which can block the filter, thereby making the filter unusable. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a preheating steam recovery device for dilute nitric acid production equipment to solve the problem in the above background technology that the steam generated during production contains large particles, which will block the filter screen, thereby making the filter screen unusable.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preheating steam recovery device for dilute nitric acid production equipment, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located on the outside of the main mechanism, and the main mechanism comprises a device body, a control panel, a control button, an air inlet pipe and a water inlet pipe, wherein the control panel is fixedly mounted on the left end of the device body, the control button is movably mounted on the left end of the control panel, the air inlet pipe is fixedly mounted on the left end of the device body, and the water inlet pipe is fixedly mounted on the left end of the air inlet pipe.

[0009] Preferably, the main body structure also includes a recovery cabin, a fixed partition, a mounting groove, a filter plate, an air pump, an air outlet pipe, a water outlet pipe and a water outlet valve, and the recovery cabin is fixedly arranged at the inner end of the device body.

[0010] Preferably, the fixed partition is fixedly installed at the inner right end of the device body, the mounting groove is fixedly arranged at the inner end of the device body, the filter plate is movably installed at the inner end of the mounting groove, and the outer surface of the filter plate is slidably connected to the inner surface of the mounting groove.

[0011] Preferably, the vacuum pump is fixedly mounted on the upper end of the device body, the vacuum pump is electrically connected to the control panel, the air outlet pipe is fixedly mounted on the upper end of the vacuum pump, the water outlet pipe is fixedly mounted on the left end of the water inlet pipe, and the water outlet valve is movably mounted on the upper end of the water outlet pipe.

[0012] Preferably, the auxiliary mechanism includes a fixed base, a support rod, a non-slip bottom pad, a water pump, a water pipe, a sprinkler, a water outlet nozzle, a movable cabinet door, a cabinet door handle and a water storage tank, and the fixed base is fixedly installed at the lower end of the device body.

[0013] Preferably, the support rod is fixedly mounted on the lower end of the fixed base, the anti-skid bottom pad is fixedly mounted on the lower end of the support rod, the water pump is fixedly mounted on the right end of the device body, and the water pump is electrically connected to the control panel.

[0014] Preferably, the water guide pipe is fixedly mounted on the upper end of the water pump, the sprinkler is fixedly mounted on the inner upper end of the device body, and the water outlet nozzle is fixedly mounted on the lower end of the sprinkler.

[0015] Preferably, the movable cabinet door is movably installed at the right end of the device body, the cabinet door handle is fixedly arranged at the upper end of the movable cabinet door, and the water storage tank is fixedly arranged at the inner lower end of the device body.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The preheating steam recovery device of the dilute nitric acid production equipment can be installed with the main body so that when the device is in use, water can enter the water storage tank through the water inlet pipe. At this time, the air inlet pipe is connected to the steam pipe. At this time, the larger dust inside the steam will be absorbed by the water in the water storage tank, thereby reducing particulate matter. After filtering through three filter plates, the filtering effect of the device is better. The device can start the vacuum pump to extract the steam after the internal treatment, which is more convenient when in use;

[0018] 2. The preheating steam recovery device of the dilute nitric acid production equipment can be equipped with auxiliary mechanisms so that when the device is cleaned, the water in the water storage tank of the device can be pumped out by a water pump and sprayed out through the water outlet nozzle on the top of the device, so as to self-clean the three filter plates in the device. The device can also open the movable cabinet door through the cabinet door handle to pull out the three filter plates in the device for cleaning, making the device more convenient to clean. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the auxiliary mechanism of the utility model;

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of the auxiliary mechanism of the utility model;

[0024] Figure 6 It is a schematic diagram of the enlarged structure of the local details of the main mechanism of the utility model.

[0025] In the figure: 1. Main mechanism; 101. Device body; 102. Control panel; 103. Control button; 104. Air inlet pipe; 105. Water inlet pipe; 106. Recovery cabin; 107. Fixed partition; 108. Mounting groove; 109. Filter plate; 110. Air pump; 111. Air outlet pipe; 112. Water outlet pipe; 113. Water outlet valve; 2. Auxiliary mechanism; 201. Fixed base; 202. Support rod; 203. Anti-slip bottom pad; 204. Water pump; 205. Water guide pipe; 206. Sprinkler; 207. Water outlet nozzle; 208. Movable cabinet door; 209. Cabinet door handle; 210. Water storage tank. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1 - Figure 6 The utility model provides a technical solution: a preheating steam recovery device for dilute nitric acid production equipment, including a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located on the outside of the main mechanism 1, the main mechanism 1 includes a device body 101, a control panel 102, a control button 103, an air intake pipe 104 and a water intake pipe 105, the control panel 102 is fixedly installed at the left end of the device body 101, the control button 103 is movably installed at the left end of the control panel 102, the air intake pipe 104 is fixedly installed at the left end of the device body 101, and the water intake pipe 105 is fixedly installed at the left end of the air intake pipe 104.

[0028] Embodiment 1: The main mechanism 1 also includes a recovery cabin 106, a fixed partition 107, a mounting groove 108, a filter plate 109, an air pump 110, an air outlet pipe 111, a water outlet pipe 112 and a water outlet valve 113. The recovery cabin 106 is fixedly arranged at the inner end of the device body 101, the fixed partition 107 is fixedly arranged at the inner right end of the device body 101, the mounting groove 108 is fixedly arranged at the inner end of the device body 101, the filter plate 109 is movably installed at the inner end of the mounting groove 108, the outer surface of the filter plate 109 is slidably connected to the inner surface of the mounting groove 108, the air pump 110 is fixedly installed at the upper end of the device body 101, the air pump 110 is electrically connected to the control panel 102, the air outlet pipe 111 is fixedly installed at the upper end of the air pump 110, the water outlet pipe 112 is fixedly installed at the left end of the water inlet pipe 105, and the water outlet valve 113 is movably installed at the upper end of the water outlet pipe 112.

[0029] When the device is in use, water can be introduced into the water storage tank 210 through the water inlet pipe 105. At this time, the air inlet pipe 104 is connected to the steam pipe. At this time, the larger dust inside the steam will be absorbed by the water in the water storage tank 210, thereby reducing particulate matter. After that, it is filtered through three filter plates 109, and the filtering effect of the device is better. The device can extract the steam after the internal treatment by starting the vacuum pump 110, which is more convenient when used.

[0030] Embodiment 2: The auxiliary mechanism 2 includes a fixed base 201, a support rod 202, an anti-skid bottom pad 203, a water pump 204, a water guide pipe 205, a sprinkler 206, a water outlet nozzle 207, a movable cabinet door 208, a cabinet door handle 209 and a water storage tank 210. The fixed base 201 is fixedly mounted on the lower end of the device body 101, the support rod 202 is fixedly mounted on the lower end of the fixed base 201, the anti-skid bottom pad 203 is fixedly mounted on the lower end of the support rod 202, and the water pump 204 is fixedly mounted on At the right end of the device body 101, the water pump 204 is electrically connected to the control panel 102, the water pipe 205 is fixedly installed at the upper end of the water pump 204, the sprinkler 206 is fixedly installed at the inner upper end of the device body 101, the water outlet nozzle 207 is fixedly installed at the lower end of the sprinkler 206, the movable cabinet door 208 is movably installed at the right end of the device body 101, the cabinet door handle 209 is fixedly set at the upper end of the movable cabinet door 208, and the water storage tank 210 is fixedly set at the inner lower end of the device body 101.

[0031] When the device is being cleaned, the water in the water storage tank 210 of the device can be pumped out by the water pump 204, and the water can be sprayed out through the water outlet nozzle on the top of the device, so as to self-clean the three filter plates 109 in the device. The device can also open the movable cabinet door 208 through the cabinet door handle 209 to pull out the three filter plates 109 in the device for cleaning, making it more convenient to clean the device.

[0032] Working principle: When the device is in use, water can enter the water storage tank 210 through the water inlet pipe 105. At this time, the air inlet pipe 104 is connected to the steam pipe. At this time, the larger dust inside the steam will be absorbed by the water in the water storage tank 210, thereby reducing particulate matter, and then filtered through three filter plates 109. The filtering effect of the device is better. The device can start the vacuum pump 110 to extract the steam after internal processing, which is more convenient when in use. When cleaning the device, the water in the water storage tank 210 of the device can be extracted by the water pump 204, and sprayed through the water outlet nozzle on the top of the device to self-clean the three filter plates 109 in the device. The device can also open the movable cabinet door 208 through the cabinet door handle 209 to extract the three filter plates 109 in the device for cleaning, making the device more convenient when cleaning.

[0033] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A preheating steam recovery device for a dilute nitric acid production facility, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located outside the main mechanism (1); the main mechanism (1) comprises a device body (101), a control panel (102), a control button (103), an air inlet pipe (104) and a water inlet pipe (105); the control panel (102) is fixedly mounted on the left end of the device body (101); the control button (103) is movably mounted on the left end of the control panel (102); the air inlet pipe (104) is fixedly mounted on the left end of the device body (101); and the water inlet pipe (105) is fixedly mounted on the left end of the air inlet pipe (104).

2. A preheating steam recovery device for dilute nitric acid production equipment according to claim 1, characterized in that: The main body mechanism (1) further comprises a recovery chamber (106), a fixed partition (107), a mounting groove (108), a filter plate (109), an air pump (110), an air outlet pipe (111), a water outlet pipe (112) and a water outlet valve (113); the recovery chamber (106) is fixedly arranged at the inner end of the device body (101).

3. A preheating steam recovery device for dilute nitric acid production equipment according to claim 2, characterized in that: The fixed partition (107) is fixedly mounted on the right inner end of the device body (101); the mounting groove (108) is fixedly arranged on the inner end of the device body (101); the filter plate (109) is movably mounted on the inner end of the mounting groove (108); and the outer surface of the filter plate (109) is slidably connected to the inner surface of the mounting groove (108).

4. A preheating steam recovery device for dilute nitric acid production equipment according to claim 3, characterized in that: The air pump (110) is fixedly mounted on the upper end of the device body (101); the air pump (110) is electrically connected to the control panel (102); the air outlet pipe (111) is fixedly mounted on the upper end of the air pump (110); the water outlet pipe (112) is fixedly mounted on the left end of the water inlet pipe (105); and the water outlet valve (113) is movably mounted on the upper end of the water outlet pipe (112).

5. A preheating steam recovery device for dilute nitric acid production equipment according to claim 4, characterized in that: The auxiliary mechanism (2) comprises a fixed base (201), a support rod (202), an anti-slip bottom pad (203), a water pump (204), a water guide pipe (205), a sprinkler (206), a water outlet nozzle (207), a movable cabinet door (208), a cabinet door handle (209) and a water storage tank (210); the fixed base (201) is fixedly mounted on the lower end of the device body (101).

6. A preheating steam recovery device for dilute nitric acid production equipment according to claim 5, characterized in that: The support rod (202) is fixedly mounted on the lower end of the fixed base (201), the anti-skid bottom pad (203) is fixedly mounted on the lower end of the support rod (202), the water pump (204) is fixedly mounted on the right end of the device body (101), and the water pump (204) is electrically connected to the control panel (102).

7. A preheating steam recovery device for dilute nitric acid production equipment according to claim 6, characterized in that: The water pipe (205) is fixedly mounted on the upper end of the water pump (204), the water sprinkler (206) is fixedly mounted on the inner upper end of the device body (101), and the water outlet nozzle (207) is fixedly mounted on the lower end of the water sprinkler (206).

8. A preheating steam recovery device for dilute nitric acid production equipment according to claim 7, characterized in that: The movable cabinet door (208) is movably mounted on the right end of the device body (101), the cabinet door handle (209) is fixedly mounted on the upper end of the movable cabinet door (208), and the water storage tank (210) is fixedly mounted on the inner lower end of the device body (101).