Formaldehyde production anti-diffusion device

Abstract

The utility model discloses a formaldehyde production anti-diffusion device, which comprises a first connecting pipe and a second connecting pipe, a sealing ring is arranged between the first connecting pipe and the second connecting pipe, a connector is fixedly arranged on the first connecting pipe, an outer conical surface is arranged on the outer wall of the connector, and a sealing ring is arranged on the outer conical surface. The utility model relates to the technical field of formaldehyde production, and the device adopts the close fit design of the sealing ring, the rubber mat, the inner conical surface and the outer conical surface, so that the leakage of formaldehyde gas is effectively prevented; the sealing effect is further enhanced under the pressure of the inner conical surface through the rubber mat embedded in the annular mounting groove, good sealing performance can be kept even in the high-temperature and high-pressure production environment, the leaked trace formaldehyde gas can be effectively adsorbed through the activated carbon ring arranged between the locking head and the connector, environmental pollution is reduced, and the service life of the connector is prolonged. And the activated carbon ring adopts a detachable semi-ring design, so that the replacement and maintenance are convenient, and the long-term purification effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde production, in particular to a formaldehyde production anti-diffusion device. Background Art

[0002] Formaldehyde is a chemical widely used in wood processing, textile industry, adhesive manufacturing and other fields, but it is highly volatile and toxic, posing a threat to the environment and human health. Preventing leakage and diffusion of formaldehyde is a crucial safety measure during its production, storage and transportation. The connection devices of traditional formaldehyde production and transportation pipelines may have problems such as poor sealing and complicated operation, which is not conducive to effectively controlling the risk of formaldehyde leakage. Therefore, it is urgent to develop a connection device with a simple structure, good sealing and easy operation to effectively prevent the leakage of formaldehyde during the transmission process and ensure production safety and environmental protection. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a formaldehyde production anti-diffusion device, which solves the problem that the existing formaldehyde production pipeline connection is easy to break.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a formaldehyde production anti-diffusion device, comprising a first connecting tube and a second connecting tube, a sealing ring is arranged between the first connecting tube and the second connecting tube, a connecting head is fixedly arranged on the first connecting tube, an outer conical surface is arranged on the outer wall of the connecting head, a connecting sleeve is fixedly arranged on the second connecting tube and is sleeved on the outer side of the connecting head, an inner conical surface matching the outer conical surface is arranged in the connecting sleeve, an installation groove is arranged on the outer conical surface, the installation groove is an annular structure, a rubber pad is arranged in the installation groove, the inner conical surface is tightly pressed against the side wall of the rubber pad, and a locking assembly is arranged between the connecting sleeve and the first connecting tube.

[0005] Preferably, the locking assembly includes a locking head fixedly arranged on the outside of the first connecting tube, an annular groove is provided in a circumferential direction at one end of the connecting sleeve close to the locking head, an annular rail is slidably installed in the annular groove, a locking sleeve is installed at one end of the annular rail, and the locking sleeve and the locking head are screwed together by threads.

[0006] Preferably, an activated carbon ring is provided between the locking head and the connecting head and is sleeved on the outside of the first connecting tube. A pressure ring is provided at one end of the locking head. One end of the activated carbon ring abuts against the side wall of the pressure ring and the other end abuts against the side wall of the connecting head.

[0007] Preferably, the activated carbon ring is composed of a pair of detachable half rings, and the pair of half rings are combined to form a circular ring structure.

[0008] Preferably, the outer wall of the locking head is provided with an external thread, and the inner wall of the locking sleeve is provided with an internal thread matching the external thread.

[0009] Beneficial Effects

[0010] The utility model provides a formaldehyde production anti-diffusion device, which has the following beneficial effects:

[0011] The device adopts a close-fitting design of sealing ring, rubber pad and inner and outer cone surfaces to ensure the sealing between the first connecting pipe and the second connecting pipe, effectively preventing the leakage of formaldehyde gas. The rubber pad embedded in the annular installation groove further enhances the sealing effect under the pressure of the inner cone surface, and can maintain good sealing even in a high-temperature and high-pressure production environment;

[0012] The combination of the locking head, the ring groove, the ring rail and the locking sleeve not only realizes the stable locking between the connecting sleeve and the first connecting pipe, but also facilitates installation and removal, daily maintenance and quick response in emergency situations. Through the threaded connection, the user can easily adjust the position of the locking sleeve to ensure the tightness of the connection and prevent loosening due to vibration or external force;

[0013] The activated carbon ring installed between the locking head and the connecting head can effectively absorb the leaked trace formaldehyde gas and reduce environmental pollution. The activated carbon ring adopts a detachable half-ring design, which is easy to replace and maintain, ensuring long-term purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] In the figure: 1. first connecting pipe; 2. second connecting pipe; 3. sealing ring; 4. connecting head; 5. outer cone; 6. connecting sleeve; 7. inner cone; 8. rubber pad; 9. locking head; 10. ring groove; 11. ring rail; 12. locking sleeve; 13. activated carbon ring; 14. pressure ring. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1The utility model provides a technical solution: a formaldehyde production diffusion prevention device, comprising a first connecting pipe 1 and a second connecting pipe 2, a sealing ring 3 is arranged between the first connecting pipe 1 and the second connecting pipe 2, a connecting head 4 is fixedly arranged on the first connecting pipe 1, an outer conical surface 5 is arranged on the outer wall of the connecting head 4, a connecting sleeve 6 is fixedly arranged on the second connecting pipe 2 and sleeved on the outer side of the connecting head 4, an inner conical surface 7 matching the outer conical surface 5 is arranged in the connecting sleeve 6, a mounting groove is arranged on the outer conical surface 5, the mounting groove is an annular structure, a rubber pad 8 is arranged in the mounting groove, the inner conical surface 7 is tightly pressed against the side wall of the rubber pad 8, and a locking component is arranged between the connecting sleeve 6 and the first connecting pipe 1.

[0018] By adopting the above technical solution, a reliable sealing interface is formed through the cooperation of the sealing ring 3, the conical surface of the connector 4 and the connecting sleeve 6 and the rubber pad 8 in the installation groove. The rubber pad 8 fits tightly with the inner conical surface 7 to prevent gas leakage.

[0019] This embodiment is further configured such that the locking assembly includes a locking head 9 fixedly arranged on the outside of the first connecting tube 1, and an annular groove 10 is provided in a circumferential direction at one end of the connecting sleeve 6 close to the locking head 9, an annular rail 11 is slidably installed in the annular groove 10, a locking sleeve 12 is installed at one end of the annular rail, and the locking sleeve 12 is screwed to the locking head 9 through a thread.

[0020] By adopting the above technical solution, the locking sleeve 12 can be rotated relative to the connecting sleeve 6 through the cooperation of the annular groove 10 and the annular rail 11. The locking sleeve 12 and the locking head 9 are locked by threaded connection, which further ensures the firm connection between the two pipes and enhances the stability of the overall seal.

[0021] This embodiment is further configured such that an activated carbon ring 13 is provided between the locking head 9 and the connecting head 4 and is sleeved on the outside of the first connecting tube 1; a pressing ring 14 is provided at one end of the locking head 9; one end of the activated carbon ring 13 abuts against the side wall of the pressing ring 14 and the other end abuts against the side wall of the connecting head 4.

[0022] By adopting the above technical solution, the activated carbon has a very strong adsorption capacity, which can effectively capture and fix harmful gases such as formaldehyde to prevent them from diffusing into the surrounding environment. The setting of the pressure ring 14 can play a certain limiting role on the activated carbon ring 13.

[0023] This embodiment is further configured such that the activated carbon ring 13 is composed of a pair of detachable half rings, and the pair of half rings are combined to form a circular ring structure.

[0024] By adopting the above technical solution, the activated carbon ring 13 adopts a detachable half-ring design, which is easy to install and replace, ensuring the adsorption efficiency during long-term use.

[0025] This embodiment is further configured such that the outer wall of the locking head 9 is provided with an external thread, and the inner wall of the locking sleeve 12 is provided with an internal thread matching the external thread.

[0026] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the field. The following mainly introduces the working principle and process.

[0027] Embodiment: During installation, place the sealing ring 3 at the connection between the first connecting tube 1 and the second connecting tube 2 to ensure that the sealing ring 3 is flat and has no creases. Place the rubber pad 8 in the installation groove to ensure that the rubber pad 8 is tightly attached to the outer conical surface 5. An activated carbon ring 13 is installed between the connecting head 4 and the locking head 9. The ring is composed of two half rings spliced ​​together and is tightly attached to the side walls of the connecting head 4 and the pressure ring 14. The adsorption capacity of activated carbon is used to further capture formaldehyde molecules that may leak. Rotate the locking sleeve 12 to tighten it with the locking head 9 thread. By firmly connecting the first connecting tube 1 and the second connecting tube 2, the inner conical surface 7 of the connecting sleeve 6 applies pressure to the rubber pad 8 to further enhance the sealing performance. The above components cooperate with each other to effectively prevent the leakage of formaldehyde during the production and transmission process, thereby ensuring production safety and environmental protection.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A formaldehyde production diffusion prevention device, comprising a first connecting pipe (1) and a second connecting pipe (2), characterized in that: A sealing ring (3) is provided between the first connecting tube (1) and the second connecting tube (2); a connecting head (4) is fixedly provided on the first connecting tube (1); an outer conical surface (5) is provided on the outer wall of the connecting head (4); a connecting sleeve (6) is fixedly provided on the second connecting tube (2) and is sleeved on the outer side of the connecting head (4); an inner conical surface (7) matching the outer conical surface (5) is provided in the connecting sleeve (6); a mounting groove is provided on the outer conical surface (5); the mounting groove is an annular structure; a rubber pad (8) is provided in the mounting groove; the inner conical surface (7) is tightly pressed against the side wall of the rubber pad (8); and a locking assembly is provided between the connecting sleeve (6) and the first connecting tube (1).

2. A formaldehyde production diffusion prevention device according to claim 1, characterized in that: The locking assembly comprises a locking head (9) fixedly arranged on the outside of the first connecting tube (1); an annular groove (10) is provided along the circumferential direction at one end of the connecting sleeve (6) close to the locking head (9); an annular rail (11) is slidably installed in the annular groove (10); a locking sleeve (12) is installed at one end of the annular rail (11); and the locking sleeve (12) is screwed to the locking head (9) via a thread.

3. A formaldehyde production diffusion prevention device according to claim 2, characterized in that: An activated carbon ring (13) is provided between the locking head (9) and the connecting head (4) and is sleeved on the outside of the first connecting tube (1). A pressing ring (14) is provided at one end of the locking head (9). One end of the activated carbon ring (13) abuts against the side wall of the pressing ring (14), and the other end abuts against the side wall of the connecting head (4).

4. A formaldehyde production diffusion prevention device according to claim 3, characterized in that: The activated carbon ring (13) is composed of a pair of detachable half rings, and the pair of half rings are combined to form a circular ring structure.

5. A formaldehyde production diffusion prevention device according to claim 2, characterized in that: The outer wall of the locking head (9) is provided with an external thread, and the inner wall of the locking sleeve (12) is provided with an internal thread matching the external thread.

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