Steam conveying device and overhaul well for cigarette factory

Abstract

The utility model discloses a steam conveying device and a manhole for a cigarette factory. The steam conveying device comprises a carbon steel pipe, a steam conveying pipe, a drain valve, a temperature compensation assembly and a fixing assembly, the steam conveying pipes are sleeved with the carbon steel pipe, the temperature compensation assembly is arranged between the two steam conveying pipes, and the steam trap is communicated with the steam conveying pipes. The temperature compensation assembly comprises a corrugated pipe, a guide ring and a guide sleeve, the corrugated pipe comprises a telescopic end and a fixed end, the telescopic end is connected with one steam conveying pipe, the fixed end is connected with the other steam conveying pipe, the guide ring is arranged at the telescopic end, and the guide sleeve is arranged at the fixed end. The influence of temperature change on the steam conveying pipe can be eliminated through the temperature compensation assembly, the effect of temperature change compensation is achieved, and condensed water generated by long-distance conveying of the steam conveying pipe is discharged through the drain valve. The problems that the steam conveying pipe is broken and damaged due to the water hammer phenomenon, noise is generated, and the working environment is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam delivery technical field more particularly, relate to a steam delivery device and overhaul well for cigarette factory. BACKGROUND

[0002] At present, there are two ways for the installation of steam delivery pipe for cigarette factory, one is to install steam delivery pipe overhead, and the other is to bury steam delivery pipe. Overhead installation occupies the ground space of the factory area or site of cigarette factory, affects the ground appearance of the factory area or urban area of cigarette factory, and occupies valuable space resources. At present, the commonly used way is to bury steam delivery pipe, but two problems need to be solved for buried steam delivery pipe.

[0003] One is to solve the thermal expansion and contraction of steam delivery pipe during steam delivery. Due to the thermal expansion and contraction of steam during long-distance delivery, it will cause the safety hazard of cracking and deformation of steam delivery pipe.

[0004] The second is to solve the phenomenon of water hammer caused by condensate water during steam delivery. Due to the condensation of steam into condensate water during long-distance delivery, the pressure fluctuation caused by water hammer phenomenon will cause the pressure in the pipeline to rise sharply, which may exceed the normal working pressure of the pipeline by dozens or even hundreds of times, thereby causing the pipeline to break or be damaged, and also producing huge noise, affecting the working environment.

[0005] Therefore, how to provide a steam delivery device and overhaul well for cigarette factory becomes a technical problem to be solved in the field. CONTENT OF THE UTILITY MODEL

[0006] An object of the utility model is to provide a new technical solution of steam delivery device and overhaul well for cigarette factory.

[0007] According to the first aspect of the utility model, a steam delivery device for cigarette factory is provided, which comprises: carbon steel pipe, steam delivery pipe, drain valve, temperature compensation assembly and fixing assembly.

[0008] The carbon steel pipe is arranged outside the steam delivery pipe, the temperature compensation assembly is arranged between two steam delivery pipes, and the temperature compensation assembly is used for eliminating the effect of temperature change on steam delivery pipe. The drain valve is communicated with the steam delivery pipe, and the drain valve is used for discharging condensate water and non-condensable gas in the steam delivery pipe.

[0009] The temperature compensation assembly comprises bellows, guide ring and guide sleeve. The bellows comprises expansion end and fixed end, the expansion end is connected with one steam delivery pipe, the fixed end is connected with another steam delivery pipe, the guide ring is arranged at the expansion end, and the guide sleeve is arranged at the fixed end.

[0010] The fixing assembly is used for fixing the temperature compensation assembly.

[0011] Optionally, the guide sleeve is arranged on the inner side wall of the corrugated pipe, and the guide ring is arranged on the outer side wall of the corrugated pipe.

[0012] Optionally, the steam delivery device for a cigarette factory further comprises a drain pipe, the drain pipe is in communication with the carbon steel pipe and the steam delivery pipe, and the drain valve is in communication with the drain pipe.

[0013] Optionally, the steam delivery device for a cigarette factory further comprises a condensate water recovery pipe, the condensate water recovery pipe is located below the steam delivery pipe, a first end of the drain pipe is in communication with the steam delivery pipe, a second end of the drain pipe is in communication with the condensate water recovery pipe, and the drain valve is arranged on the condensate water recovery pipe.

[0014] Optionally, the condensate water recovery pipe is further provided with a filter and a ball valve, the ball valve is arranged between the drain valve and the filter respectively, and the drain valve is located upstream of the filter.

[0015] Optionally, the fixing assembly comprises a first flange, a second flange and an adjusting bolt, the first flange is arranged at the fixed end, the second flange is arranged at the telescopic end, and the adjusting bolt is arranged at the telescopic end.

[0016] Optionally, the fixing assembly further comprises jacketed insulation cotton, the jacketed insulation cotton is arranged between the carbon steel pipe and the steam delivery pipe and between the carbon steel pipe and the corrugated pipe respectively.

[0017] Optionally, the steam delivery device for a cigarette factory further comprises a moisture discharge pipe, the moisture discharge pipe is in communication with the carbon steel pipe.

[0018] According to the second aspect of the utility model, a kind of manhole, the manhole includes being arranged in the manhole body of soil body, first waterproof layer being arranged on the outer wall of the manhole body, the top of the manhole body is provided with access, and access ladder is arranged on the side wall of the manhole body;

[0019] At least part of carbon steel pipe, at least part of steam delivery pipe, drain valve and temperature compensation assembly are located inside the manhole body.

[0020] Optionally, the bottom of the manhole body is further provided with a second waterproof layer, and the outer side wall of the carbon steel pipe and the manhole body further have waterproof filler therebetween.

[0021] The utility model has the advantages that:

[0022] The utility model discloses a steam delivery device for cigarette factory, which comprises a carbon steel pipe, a steam delivery pipe, a drain valve, a temperature compensation assembly, a corrugated pipe, a guide ring, a guide sleeve, a clamp sleeve end cap, a fixed assembly, a drain pipe and a condensate water recovery pipe.

[0023] Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments thereof, with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present utility model and, together with the description, serve to explain the principles of the present utility model.

[0025] Figure 1 is a structural diagram of a steam delivery device for cigarette factory of the present utility model;

[0026] Figure 2 is a structural diagram of a steam delivery device for cigarette factory of the present utility model arranged in a maintenance well;

[0027] Figure 3 is Figure 2 a sectional view at A-A in Fig.

[0028] Figure 4 is Figure 2 a sectional view at B-B in Fig.

[0029] The symbols in the drawings are as follows: 1, carbon steel pipe; 11, moisture removal pipe; 2, steam delivery pipe; 3, drain valve; 4, temperature compensation assembly; 41, corrugated pipe; 42, guide ring; 43, guide sleeve; 44, clamp sleeve end cap; 5, fixed assembly; 51, first flange; 52, second flange; 53, adjusting bolt; 54, clamp sleeve heat preservation cotton; 6, drain pipe; 7, condensate water recovery pipe; 71, filter; 72, ball valve; 8, maintenance well body; 81, first waterproof layer; 82, maintenance opening; 83, maintenance ladder; 84, second waterproof layer; 85, third waterproof layer; 86, waterproof filler; 87, ventilation; 9, water collecting pit. DETAILED DESCRIPTION

[0030] Various exemplary embodiments of the present application will now be described in detail with reference to the drawings. Note that the relative arrangement of the components and steps illustrated in these embodiments, numerical expressions, and numerical values are merely examples and do not limit the scope of the present application unless otherwise specifically stated.

[0031] The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the scope of the application its application or uses.

[0032] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein, but should be considered within the scope of the disclosure.

[0033] In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as a limitation. Thus, other examples of exemplary embodiments can have different values.

[0034] As Figure 1 shown, the embodiment of the present application provides a steam delivery device for a cigarette factory, comprising: a carbon steel pipe 1, a steam delivery pipe 2, a drain valve 3, a temperature compensation assembly 4 and a fixing assembly 5.

[0035] The carbon steel pipe 1 is sleeved outside the steam delivery pipe 2, the temperature compensation assembly 4 is arranged between two steam delivery pipes 2, and the temperature compensation assembly 4 is used for eliminating the effect of temperature change on the steam delivery pipe 2; the drain valve 3 is communicated with the steam delivery pipe 2, and the drain valve 3 is used for discharging condensed water and non-condensable gas in the steam delivery pipe 2.

[0036] Specifically, the steam pipe network is composed of a plurality of steam delivery pipes 2, and the two adjacent steam delivery pipes 2 are directly provided with the temperature compensation assembly 4, so that the plurality of steam delivery pipes 2 in the steam pipe network will not crack and deform in the process of passing in steam through the action of the temperature compensation assembly 4.

[0037] The temperature compensation assembly 4 comprises a corrugated pipe 41, a guide ring 42 and a guide sleeve 43, the corrugated pipe 41 comprises an expansion end and a fixed end, the expansion end is connected with one steam delivery pipe 2, the fixed end is connected with another steam delivery pipe 2, the guide ring 42 is arranged at the expansion end, and the guide sleeve 43 is arranged at the fixed end.

[0038] Specifically, the corrugated pipe 41 is made of stainless steel. The fixed end and the expansion end are fixedly connected with the steam delivery pipe 2, and the expansion end can be elongated or shortened to provide a compensation effect when the steam delivery pipe 2 expands or shrinks due to heat. A jacket head 44 is arranged at the connection between the steam delivery pipe 2 and the corrugated pipe 41.

[0039] It should be noted that the length of the bellows 41 is not too short, and when the length of the bellows 41 is too short, the maximum allowable deformation is too small, the elastic deformation is invalid, the bellows 41 is broken, and the steam leakage of the bellows 41 is caused.

[0040] The fixing assembly 5 is used for fixing the temperature compensation assembly 4.

[0041] The utility model discloses a carbon steel pipe 1 is set in the steam delivery pipe 2 outside, temperature compensation assembly 4 sets up between two steam delivery pipes 2, and the steam delivery pipe 2 is communicated with the drain valve 3, and the telescopic end of the bellows 41 is connected with one steam delivery pipe 2, and the fixed end of the bellows 41 is connected with another steam delivery pipe 2, and the guide ring 42 is arranged at the telescopic end, and the guide sleeve 43 is arranged at the fixed end. After the steam in the steam delivery pipe 2 is disabled, and when the steam is supplied for the first time, the steam pipe network formed by the plurality of steam delivery pipes 2 is expanded by heat, at this time, the telescopic end and the fixed end of the bellows 41 move relatively, the bellows 41 is stretched under the guidance of the guide sleeve 43 at the fixed end and the guide ring 42 at the telescopic end, and the influence of temperature change on the steam delivery pipe 2 is eliminated, the effect of temperature change compensation is realized, and the condensed water generated by long-distance delivery of the steam delivery pipe 2 is discharged through the drain valve 3, and the problems of steam delivery pipe 2 rupture, damage, noise and influence on the working environment caused by water hammer phenomenon are avoided.

[0042] In an embodiment of the steam delivery device for a cigarette factory of the utility model, in order to provide the guiding effect for the movement of the bellows 41, the guide sleeve 43 is arranged on the inner side wall of the bellows 41, and the guide ring 42 is arranged on the outer side wall of the bellows 41, the movement direction of the bellows 41 is limited, and the problem that the bellows 41 is damaged due to bending is avoided.

[0043] In an embodiment of the steam delivery device for a cigarette factory of the utility model, the steam delivery device for a cigarette factory further comprises a drain pipe 6, the drain pipe 6 is communicated with the steam delivery pipe 2 through the carbon steel pipe 1, and the drain valve 3 is communicated with the drain pipe 6.

[0044] Specifically, the drain pipe 6 is located at the bottom of the drain pipe 6, so that the condensed water formed in the drain pipe 6 can flow out through the drain pipe 6, and the drain valve 3 can automatically remove the condensed water and non-condensable gas in the drain pipe 6, effectively preventing steam leakage, improving the thermal efficiency of the steam system, and reducing energy waste.

[0045] In an embodiment of the steam delivery device for a cigarette factory of the utility model, the steam delivery device for a cigarette factory further comprises a condensed water recovery pipe 7, the condensed water recovery pipe 7 is located below the steam delivery pipe 2, the first end of the drain pipe 6 is communicated with the steam delivery pipe 2, the second end of the drain pipe 6 is communicated with the condensed water recovery pipe 7, and the drain valve 3 is arranged on the condensed water recovery pipe 7.

[0046] Specifically, the flow direction of the condensate water in the condensate water recovery pipe 7 is opposite to the steam flow direction in the steam conveying pipe. The condensate water recovery pipe 7 is made of a stainless steel pipe, and a jacket pipe is additionally provided, the jacket pipe is made of a carbon steel pipe 1, the thickness meets the national standard requirements of seamless steel pipes, and the jacket layer is filled with thermal insulation materials.

[0047] The condensate water recovery pipe 7 is arranged below the steam conveying pipe 2, the drain pipe 6 is communicated with the steam conveying pipe 2 and the condensate water recovery pipe 7 respectively, the drain valve 3 is arranged on the condensate water recovery pipe 7, and then the condensate water can be introduced into the condensate water recovery pipe 7 and recovered.

[0048] In one embodiment of the steam conveying device for a cigarette factory, the condensate water recovery pipe 7 is further provided with a filter 71 and a ball valve 72, the ball valve 72 is arranged between the drain valve 3 and the filter 71 respectively, and the drain valve 3 is located upstream of the filter 71.

[0049] Specifically, the ball valve 72 is used for cutting off the flow direction of the condensate water, and the filter 71 is used for filtering the condensate water.

[0050] The ball valve 72 is arranged between the drain valve 3 and the filter 71 respectively, the drain valve 3 is located upstream of the filter 71, the condensate water is filtered, the condensate water is recycled, and the production cost is effectively reduced.

[0051] In one embodiment of the steam conveying device for a cigarette factory, the fixing assembly 5 comprises a first flange 51, a second flange 52 and an adjusting bolt 53, the first flange 51 is arranged at a fixed end, the second flange 52 is arranged at an expansion end, and the adjusting bolt 53 is arranged at the expansion end.

[0052] Specifically, the adjustment range and precision of the adjusting bolt 53 directly affect the performance and safe operation of the bellows pipe 41.

[0053] The first flange 51 is arranged at the fixed end, the second flange 52 is arranged at the expansion end, and the adjusting bolt 53 is arranged at the expansion end, so that the steam conveying is fixed, the expansion and contraction amount of the temperature compensation assembly 4 is ensured through the adjusting bolt 53, the bellows pipe 41 can freely expand and contract when the temperature changes, and stress concentration and damage of the bellows pipe 41 caused by thermal expansion and cold shrinkage are avoided.

[0054] In one embodiment of the steam conveying device for a cigarette factory, in order to improve the heat preservation property of the steam conveying pipe 2, the fixing assembly 5 further comprises jacket thermal insulation cotton 54, and the jacket thermal insulation cotton 54 is arranged between the carbon steel pipe 1 and the steam conveying pipe 2 and between the carbon steel pipe 1 and the bellows pipe 41 respectively.

[0055] Specifically, the outer part of the corrugated pipe 41 is wrapped with a jacket of thermal insulation cotton 54, and the outer part of the jacket of thermal insulation cotton 54 is wrapped with a stainless steel plate with a thickness of 0.2 mm.

[0056] In one embodiment of the steam delivery device for a cigarette factory of the utility model, in order to discharge the humid air and moisture in the steam delivery pipe 2, the steam delivery device for a cigarette factory further comprises a moisture discharge pipe 11, which is in communication with the carbon steel pipe 1.

[0057] Specifically, the moisture discharge pipe 11 is located at the top of the steam delivery pipe 2, and the moisture discharge pipe 11 is arranged every 30 m-50 m on the steam delivery pipe 2 and led out to the ground.

[0058] According to the second aspect of the utility model, a manhole is provided, as shown in the drawings, Figures 2 to 4 The manhole body 8 is provided with a first waterproof layer 81 on the outer wall, the top of the manhole body 8 is provided with a manhole opening 82, and the sidewall of the manhole body 8 is provided with a manhole ladder 83, so that maintenance personnel can go down to the indoor maintenance.

[0059] At least part of the carbon steel pipe 1, at least part of the steam delivery pipe 2, the drain valve 3 and the temperature compensation assembly 4 are located inside the manhole body 8.

[0060] Specifically, the steam delivery pipe 2 and the condensate recovery pipe 7 are buried underground with a burial depth of 1 m-1.5 m. At least part of the carbon steel pipe 1, at least part of the steam delivery pipe 2, the drain valve 3 and the temperature compensation assembly 4 are reserved inside the manhole body 8, which is convenient for maintenance and has the advantages of large maintenance operation space, waterproofness and safety.

[0061] Furthermore, the manhole body 8 is further provided with a ventilation opening 87, the ventilation opening 87 and the manhole opening 82 are provided with well covers, the ventilation opening 87 and the manhole opening 82 are diagonally distributed, and the ventilation is good when the two well covers are opened.

[0062] The first waterproof layer 81 on the outer wall of the manhole body 8 prevents the clay layer from seeping into the inside of the manhole body 8.

[0063] Further, the bottom of the manhole body 8 is further provided with a second waterproof layer 84, and the outer sidewall of the carbon steel pipe 1 and the manhole body 8 are further provided with waterproof filler 86.

[0064] Specifically, the second waterproof layer 84 and the third waterproof layer 85 prevent the upper clay layer from seeping into the indoor through the well hole brick mixed structure; the waterproof layer is made of 15 mm thick cement mortar and cement leveling, and is coated with cold primer and laid with coiled waterproof material. The third waterproof layer 85 is arranged on the ventilation opening 87.

[0065] In addition, a sump 9 is arranged at the bottom of the inspection well body 8, and the sump 9 is opposite to the inspection opening 82, so that when there is accumulated water, the accumulated water in the chamber can be drained by a submersible pump without entering the inspection chamber.

[0066] Although some specific embodiments of the present application have been described in detail by examples, those skilled in the art should understand that the above examples are only for illustration, and are not intended to limit the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A steam delivery device for use in a cigarette factory, characterized in that, The utility model relates to a steam conveying device for cigarette factory, which comprises a carbon steel pipe, a steam conveying pipe, a steam trap, a temperature compensation assembly and a fixing assembly. The carbon steel pipe is sleeved outside the steam conveying pipe, the temperature compensation assembly is arranged between two steam conveying pipes, and the temperature compensation assembly is used for eliminating the effect of temperature change on the steam conveying pipe; the steam trap is communicated with the steam conveying pipe, and the steam trap is used for discharging condensed water and non-condensable gas in the steam conveying pipe. The temperature compensation assembly comprises a bellows, a guide ring and a guide sleeve, the bellows comprises an expansion end and a fixed end, the expansion end is connected with one steam conveying pipe, the fixed end is connected with another steam conveying pipe, the guide ring is arranged on the expansion end, and the guide sleeve is arranged on the fixed end. The fixing assembly is used for fixing the temperature compensation assembly. The guide sleeve is arranged on the inner side wall of the bellows, and the guide ring is arranged on the outer side wall of the bellows.

2. The steam delivery device for a cigarette factory according to claim 1, characterized in that, The steam conveying device for cigarette factory further comprises a drain pipe, the drain pipe is communicated with the steam conveying pipe through the carbon steel pipe, and the steam trap is communicated with the drain pipe.

3. The steam delivery device for a cigarette factory according to claim 1, characterized in that, The steam conveying device for cigarette factory further comprises a condensed water recovery pipe, the condensed water recovery pipe is arranged below the steam conveying pipe, a first end of the drain pipe is communicated with the steam conveying pipe, a second end of the drain pipe is communicated with the condensed water recovery pipe, and the steam trap is arranged on the condensed water recovery pipe.

4. The steam delivery device for a cigarette factory according to claim 3, characterized in that, The condensed water recovery pipe is further provided with a filter and a ball valve, the ball valve is arranged between the steam trap and the filter respectively, and the steam trap is arranged upstream of the filter.

5. The steam delivery device for a cigarette factory according to claim 4, characterized in that, The fixing assembly comprises a first flange, a second flange and an adjusting bolt, the first flange is arranged on the fixed end, the second flange is arranged on the expansion end, and the adjusting bolt is arranged on the expansion end.

6. The steam delivery device for a cigarette factory according to claim 1, characterized in that, The fixing assembly further comprises jacketed insulation cotton, and the jacketed insulation cotton is arranged between the carbon steel pipe and the steam conveying pipe and between the carbon steel pipe and the bellows respectively.

7. The steam delivery device for a cigarette factory according to claim 1, characterized in that, The steam conveying device for cigarette factory further comprises a moisture discharge pipe, and the moisture discharge pipe is communicated with the carbon steel pipe.

8. The steam delivery device for a cigarette factory according to claim 1, characterized in that, The inspection well comprises an inspection well body arranged in soil, a first waterproof layer arranged on the outer wall of the inspection well body, a maintenance opening arranged on the top of the inspection well body, and a maintenance ladder arranged on the side wall of the inspection well body.

9. A manhole comprising the steam delivery device for a cigarette factory according to any one of claims 1 to 8, characterized in that, At least part of the carbon steel pipe, at least part of the steam conveying pipe, the steam trap and the temperature compensation assembly are arranged inside the inspection well body. The bottom of the inspection well body is further provided with a second waterproof layer, and a waterproof filler is arranged between the outer side wall of the carbon steel pipe and the inspection well body.

10. The inspection well of claim 9, wherein, ​

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