Adsorption bed device for adsorption type heat pump and adsorption type heat pump system

Abstract

The utility model discloses an adsorption bed device for an adsorption type heat pump and an adsorption type heat pump system. The adsorption bed device comprises a sealing head I, a bed body shell layer and a sealing head II which are sequentially arranged from top to bottom, wherein an adsorption inlet is formed above the sealing head I and the sealing head, and a low-grade heat source enters the adsorption inlet; the two ends of the bed body shell layer are in sealing connection with the sealing heads through flanges, and adsorption outlets are formed in the lower side parts of the bed body shell layer and the shell; a plurality of built-in pipelines are also arranged in the bed layer shell; a plurality of small pipeline holes are formed in the built-in pipelines; a regeneration inlet is formed in the bottom of the end socket II; the built-in pipelines are arranged and then fixed by a tube plate with tube plate small holes, and the tube plate is connected with the first end socket and the second end socket. The device has the beneficial effects that the capacity of improving the heat source grade of the adsorption heat pump is improved, meanwhile, the desorption process after the adsorbent is used can be accelerated, and the device is simple in manufacturing process and can be prepared in batches.

Description

TECHNICAL FIELD

[0001] The utility model relates to adsorption heat pump energy -conserving equipment technical field, concretely relates to a kind of adsorption bed device and adsorption heat pump system for adsorption heat pump. BACKGROUND

[0002] As a device that can improve low-grade energy to high-grade energy, heat pump is to use low-boiling liquid to evaporate after pressure reduction by throttle valve, then heat is absorbed from lower temperature, and then steam is compressed by compressor to increase temperature. Among them, adsorption heat pump as an energy-saving and environment-friendly equipment can not only recover industrial waste heat but also will not cause damage to the environment. The performance of adsorption heat pump depends on the heat exchange process between adsorbate and adsorbent. Process intensification of adsorption heat pump can improve system performance by enhancing heat and mass transfer in reactor bed. Generally, the contact thermal resistance between adsorbent and reactor can be reduced, high thermal conductivity particles can be added in the adsorption bed, or fin structure can be added to optimize the method, increase the heat transfer area and enhance the heat transfer. Adsorption heat pump uses the adsorption and desorption process of adsorbent to realize the conversion and transmission of heat energy, and has the advantages of environmental protection and energy saving.

[0003] In the prior art, the adsorption bed device has low heat transfer efficiency and unstable adsorption / desorption process, which limits the application of adsorption heat pump. SUMMARY

[0004] The utility model aims at providing a kind of adsorption bed device and adsorption heat pump system for adsorption heat pump.

[0005] The adsorption bed device can enhance the sufficient contact between adsorbent and adsorbate, improve the release of adsorption heat in the adsorption process, enhance the ability of adsorption heat pump to improve the grade of heat source, accelerate the desorption process after the use of adsorbent, and has the advantages of simple manufacturing process, batch production, flexible use and low cost.

[0006] To achieve the above-mentioned purpose, the present application is realized by the following technical scheme:

[0007] An adsorption bed device for adsorption heat pump, comprising: a head one, a bed body shell layer and a head two arranged in sequence from top to bottom.

[0008] Among them,

[0009] The head one is provided with an adsorption inlet at the top of the head, and the adsorption inlet is used for the entry of low-grade heat source.

[0010] The bed body shell layer is sealed and connected with the head through flange at both ends, and the bed body shell layer and the lower side of the shell are provided with an adsorption outlet.

[0011] The interior of the bed shell is also provided with a plurality of built-in pipes, and the built-in pipes are provided with a plurality of pipe holes;

[0012] The bottom of the second head is provided with a regeneration inlet;

[0013] After being arranged, the built-in pipes are fixed by a tube sheet with small holes on the tube sheet, wherein the built-in pipes are fixed through the small holes on the tube sheet. The diameter of the tube sheet is consistent with the inner diameter of the bed shell and can be placed by being clamped in the bed shell.

[0014] As a further improvement of this solution, both ends of the bed shell are sealed and connected to the head through flanges.

[0015] As a further improvement of this solution, the built-in pipes of the adsorption bed are fixed by a tube sheet with small tube sheet holes after being arranged, and the tube sheet is connected to the head part.

[0016] As a further improvement of this solution, the bed shell is made of pressure-resistant material.

[0017] Specifically, the pressure-resistant material is any one of steel, copper, cast iron, cast steel, and alloy steel.

[0018] As a further improvement of this solution, the internal pipes and tube sheets are arranged in any one of square, circular, triangular and rectangular shapes (cross-sectional view) to change the filling position of the adsorbent in the reaction bed.

[0019] As a further improvement of this solution, the tube sheets for fixing the built-in pipes are located at both ends of the bed shell, wherein the tube sheet at one end is fixed to the bed shell by welding, while the tube sheet at the other end is not fixed by welding, so that it can be moved and taken out along the direction of the built-in pipe, thereby facilitating the loading and unloading of the adsorbent.

[0020] As a further improvement of this solution, the fixing methods of the tube sheet include fixing at both ends, fixing at one end, and movably fixing at both ends.

[0021] As a further improvement of this solution, the adsorption bed device can be used as the main reaction equipment of the adsorption heat pump, and includes single-bed, double-bed and multi-bed adsorption heat pumps.

[0022] An adsorption heat pump system,

[0023] It includes an adsorption bed device of an adsorption heat pump, an adsorption feed pump, an adsorption discharge pump, a desorption feed pump, and a desorption output pump;

[0024] in,

[0025] The adsorption feed pump is connected to the adsorption inlet, the desorption feed pump is connected to the regeneration inlet, the desorption output pump is connected to the regeneration outlet, and the adsorption discharge pump is connected to the adsorption outlet.

[0026] The adsorption bed device for the adsorption heat pump has the following advantages:

[0027] 1) The open pipe arrangement inside the adsorption bed layer realizes sufficient contact between the adsorbent and the adsorbate, improves the released adsorption heat in the adsorption process, enhances the ability of the adsorption heat pump to improve the heat source grade, and accelerates the desorption process after the use of the adsorbent.

[0028] 2) The device is relatively simple and does not involve special medium operation, and the production cost of the device is low, so that the further application of the adsorption heat pump can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structure schematic view of the adsorption bed device for the adsorption heat pump in the utility model;

[0030] Figure 2 It is a tube plate structure schematic view of the adsorption bed device for the adsorption heat pump in the utility model;

[0031] Figure 3 It is a built-in pipe schematic view of the adsorption bed device for the adsorption heat pump in the utility model;

[0032] Figure 4 It is a structure schematic view of the adsorption heat pump system in the utility model. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the present application clearer, the following combines embodiments and drawings to make a further description. Figure 1 ~Appendix Figure 4 Further description is made to the present application:

[0034] Example 1

[0035] In this embodiment, the adsorption bed device 10 for the adsorption heat pump comprises: a head one 11, a bed body shell layer 12 and a head two 13 arranged in sequence from top to bottom.

[0036] Among them,

[0037] The head one 11 is provided with an adsorption inlet 111 at the upper part of the head 11, which is used for the entry of the low-grade heat source.

[0038] The bed body shell layer 12 is sealed and connected with the head 11 through the flange 14 at both ends, and the upper side of the shell of the bed body shell layer 12 is provided with a regeneration outlet 121, and the lower side of the shell is provided with an adsorption outlet 122.

[0039] The interior of the bed shell 12 is also provided with several built-in pipes 123, which are provided with several pipe holes 1231;

[0040] The bottom of the head 2 13 is provided with a regeneration inlet 131.

[0041] The built-in pipes 123 are fixed by a pipe plate 124 with pipe plate holes 1241, wherein the built-in pipes 123 pass through the pipe plate holes 1241 of the pipe plate 124 and are fixed, and the diameter of the pipe plate is consistent with the inner diameter of the bed shell 12 and can be placed at both ends of the bed shell 12.

[0042] In this embodiment, the two ends of the bed shell 12 are sealed and connected to the head 11 through the flange 14, which can ensure the overall sealing of the adsorption bed reactor and reduce the heat emitted by the adsorbent to the natural environment during the adsorption process.

[0043] Specific working process:

[0044] The low-grade heat source of the adsorption process enters the adsorption bed device 10 through the adsorption inlet 111 connected at the head 1 11, and then is transported to the built-in pipes 123.

[0045] Then, the high-grade heat source is transported to the heat exchange equipment through the adsorption outlet 122 connected on the bed shell 12, and then the heat is recycled.

[0046] The gas medium of the desorption process enters the adsorption bed device 10 through the regeneration inlet 131 connected at the head 2 13, and then is transported to the built-in pipes 123, and then is transported to the bed body through the pipe holes 1231 of the built-in pipes 123, so that it is in full contact with the adsorbent in the bed layer for heat exchange. The gas medium after heat exchange is transported to the natural environment through the desorption outlet 121 connected on the bed shell 12, thereby completing the desorption of the adsorbent.

[0047] Further, the built-in pipes 123 of the adsorption bed are fixed by the pipe plate 124 with pipe plate holes 1241, and the pipe plate 124 is connected to the head 11.

[0048] In this embodiment, the high-grade heat source produced by the adsorption heat pump can be increased by 40-180℃ compared with the initial low-grade heat source.

[0049] As a further preferred embodiment, the manufacturing material of the bed shell is a pressure-resistant material.

[0050] Specifically, the pressure-resistant material is any one of steel, copper, cast iron, cast steel, and alloy steel.

[0051] As a further preferred embodiment, the arrangement of the built-in pipes and the pipe plate (cross-sectional view) is any one of square, circular, triangular, rectangular, so as to change the filling position of the adsorbent in the reaction bed.

[0052] As a further preferred embodiment, the pipe plate 9 for fixing the built-in pipes is located at both ends of the bed shell 12, and the pipe plate 9 at one end is welded and fixed with the bed shell 12, and the pipe plate at the other end is not welded and fixed, so that it can be moved out along the direction of the built-in pipes, thereby facilitating the loading and unloading of the adsorbate.

[0053] As a further preferred embodiment, the fixing mode of the pipe plate 9 includes two-end fixing, one-end fixing, and two-end movable, etc.

[0054] In this embodiment, the device mainly uses small holes (a certain number of the above-mentioned pipes are arranged in a specific form and fixed and placed by the pipe plate) uniformly opened in four directions at 90° on the pipes placed inside the adsorption bed, for uniform outflow of the gas or solution (adsorbate), thereby enhancing the sufficient contact between the surface of the solid substance (adsorbent) and the gas or solution (refrigerant or adsorbate), promoting the adsorption between the two substances and releasing more adsorption heat, increasing the ability of the adsorption heat pump to improve the heat source grade, and accelerating the desorption process after the use of the adsorbent. The device has the advantages of simple manufacturing process, batch production, flexible use, and low cost, etc.

[0055] As a further preferred embodiment, the adsorption bed device can be used as the main reaction equipment of the adsorption heat pump, and includes single-bed, double-bed, and multi-bed adsorption heat pumps.

[0056] Embodiment 2

[0057] An adsorption heat pump system includes an adsorption bed device 10 of the adsorption heat pump, an adsorption feed pump 20, an adsorption discharge pump 21, a desorption feed pump 22, and a desorption output pump 23.

[0058] Among them, the adsorption feed pump 20 is connected with the adsorption inlet 111, the desorption feed pump 22 is connected with the regeneration inlet 131, the desorption output pump 23 is connected with the regeneration outlet 121, and the adsorption discharge pump 21 is connected with the adsorption outlet 122.

[0059] In this embodiment, the specific working process is as follows:

[0060] The low-grade heat source is first delivered to the adsorption inlet 111 of the adsorption bed device 10 by the adsorption feed pump 20, then enters the built-in pipe 123 through the head 11, and is then delivered to the inside of the bed body through the pipe hole 1231 on the built-in pipe 123 to fully contact with the adsorbent and release a large amount of adsorption heat to improve the grade of the heat source. Subsequently, the high-grade heat source leaves the adsorption bed device 10 through the adsorption outlet 122 connected on the bed layer shell 12 and is delivered to the heat exchange equipment by the adsorption discharge pump 21 to recycle the heat.

[0061] The gas medium is delivered to the regeneration inlet 131 of the adsorption bed device 10 by the desorption feed pump 22, then enters the built-in pipe 123 through the head 11, and is then delivered to the inside of the bed body through the pipe hole 1231 on the built-in pipe 123 to fully contact with the adsorbent in the bed layer to exchange heat. The gas medium after heat exchange leaves the adsorption bed device 10 through the regeneration outlet 121 connected on the bed layer shell 12 and is delivered to the natural environment by the desorption discharge pump 23 to complete the desorption of the adsorbent.

[0062] In the embodiment, the high-grade heat source produced by the adsorption heat pump can be improved by 40-180℃ than the initial low-grade heat source.

[0063] The above description is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent transformation made by using the present application is within the patent protection scope of the present application.

Claims

1. An adsorption bed device for an adsorption heat pump, characterized in that: The adsorption bed device comprises: a first end cap, a bed shell layer, and a second end cap, which are arranged in order from top to bottom; in, Head 1: an adsorption inlet is provided on the top of the head for the entry of low-grade heat sources; The bed shell layer, both ends of the bed shell layer are sealed with the head through flanges, and the lower side of the bed shell layer and the shell body is provided with an adsorption outlet; The interior of the bed shell is also provided with a plurality of built-in pipes, and the built-in pipes are provided with a plurality of pipe holes; The bottom of the second head is provided with a regeneration inlet; After being arranged, the built-in pipes are fixed by a tube sheet with small holes on the tube sheet, wherein the built-in pipes are fixed through the small holes on the tube sheet, and the diameter of the tube sheet is consistent with the inner diameter of the bed shell.

2. The adsorption bed device for an adsorption heat pump according to claim 1, characterized in that: Both ends of the bed shell are sealed and connected to the head through flanges.

3. The adsorption bed device for an adsorption heat pump according to claim 1, characterized in that: The built-in pipes of the adsorption bed are arranged and fixed by a tube sheet with small holes in the tube sheet, and the tube sheet is connected to the head part.

4. The adsorption bed device for an adsorption heat pump according to claim 1, characterized in that: The manufacturing material of the bed shell is pressure-resistant material.

5. The adsorption bed device for an adsorption heat pump according to claim 4, characterized in that: The pressure-resistant material is any one of steel, copper, cast iron, cast steel, and alloy steel.

6. The adsorption bed device for an adsorption heat pump according to claim 1, characterized in that: The fixing methods of the tube sheet include fixing at both ends, fixing at one end and fixing with both ends being movable.

7. The adsorption bed device for an adsorption heat pump according to claim 1, characterized in that: The adsorption bed device can be used as the main reaction equipment of the adsorption heat pump, and includes single-bed, double-bed and multi-bed adsorption heat pumps.

8. An adsorption heat pump system, characterized in that: An adsorption bed device comprising the adsorption heat pump according to any one of claims 1 to 7, an adsorption feed pump, an adsorption discharge pump, a desorption feed pump, and a desorption output pump; in, The adsorption feed pump is connected to the adsorption inlet, the desorption feed pump is connected to the regeneration inlet, the desorption output pump is connected to the regeneration outlet, and the adsorption discharge pump is connected to the adsorption outlet.

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